source string | task_type string | in_source_id string | instruction_seed string | gold_standard_solution string | verification_info string | metadata string | problem_id string | _source string |
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stackexchange | llm_judgeable_groundtruth_similarity | 13022299 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Question: Is there a way to specify the Date format when using the colClasses argument in read.table/read.csv? (I realise I can convert after importing, but with many date co... | You can write your own function that accepts a string and converts it to a Date using the format you want, then use the setAs to set it as an as method. Then you can use your function as part of the colClasses. Try: setAs("character","myDate", function(from) as.Date(from, format="%d/%m/%Y") )tmp <- c("1, 15/08/2008", ... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/13022299', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/176995/']} | jdg_127557 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3980377 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I am having trouble proving a simple proposition regarding uniform convergence and pointwise convergence in Real Analysis . Problem: Suppose that $\left(f_{n}\right)$ is... | When working in the real numbers, we require that the base of the logarithm is greater than $0$ (and not equal to $1$ ). While the expression $$\log_{-7}(49)=2$$ does have some sense to it, it is formally incorrect for this simple reason. This begs the question—why do we avoid negative bases? This is because the functi... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3980377', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/834840/']} | jdg_305759 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 124501 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
According to Fritz, Morris, and Richler (2011; see below), $r$ can be calculated as an effect size for the Mann-Whitney U-test using the formula$$r = \frac{z}{\sqrt N}$... | One choice of effect size for the Mann-Whitney U test is the common language effect size. For the Mann-Whitney U, this is the proportion of sample pairs that supports a stated hypothesis. A second choice is the rank correlation; because the rank correlation ranges from -1 to +1, it has properties that are similar to t... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/124501', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/59951/']} | jdg_346333 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6442123 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
This has got to be such a simple question but I just can't get the answer. I have an XmlNode and all I want to do is output this node, as a string, with indentations (tabs o... | You were on the right path with the XMLTextWriter , you simply need to use a StringWriter as the base stream. Here are a few good answers on how this is accomplished. Pay particular attention to the second answer, if your encoding needs to be UTF-8. Edit: If you need to do this in multiple places, it is trivial to writ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/6442123', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/776805/']} | jdg_74404 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11191264 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
consider this simple function def foo(l=[]): if not l: print "List is empty" else : print "List is not empty" Now let's call foo x=[]foo(x)#List is emptyfoo('')#List i... | Using the built-in any() def foo(l=[]): if any(l): print 'List is not empty' else: print 'List is empty'foo([''])# List is empty | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11191264', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1099709/']} | jdg_377758 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4401912 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Is there a way to allocate contiguous physical memory from userspace in linux? At least few guaranteed contiguous memory pages. One huge page isn't the answer.
Now provide t... | No. There is not. You do need to do this from Kernel space. If you say "we need to do this from User Space" - without anything going on in kernel-space it makes little sense - because a user space program has no way of controlling or even knowing if the underlying memory is contiguous or not. The only reason where you ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4401912', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/536879/']} | jdg_368466 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6637472 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
You have a list of 52 cards where the position of the cards in that list does not move.You have a second list of card positions. At first, the position list is the same as th... | This is a common way to botch the Fisher-Yates shuffle algorithm . See What distribution do you get from this broken random shuffle? for a lively discussion on properties of this implementation. How is this different from Fisher-Yates? For Fisher-Yates, at the k th card you must choose a random number between k and 52 ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/6637472', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/759051/']} | jdg_244544 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 31726180 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have been trying to have a grid of card using angular-material. So I am using the directives md-grid-list and md-card. but the result is pretty ugly, and I am not sure to u... | You could use Flex Box instead of md-grid-list to have the same effect. <div class='md-padding' layout="row" flex> <div layout="row" flex> <div class="parent" layout="column" ng-repeat="user in users" flex> ... Your content here </div> </div> </div> Take a look at this Example with fix... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/31726180', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/458509/']} | jdg_279862 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3777794 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I need to know, whether the Hibernate's session is thread safe or not. But obvious a new session is attached to every thread for execution. But my question is if in one threa... | It is not intended that implementors be threadsafe. Instead each thread/transaction should obtain its own instance from a SessionFactory. Even with this in mind, your behaviour might still not be what you expect, because transactions come into play. You will have to set a proper transaction isolation level . See the co... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/3777794', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/197831/']} | jdg_315717 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 27843797 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
The following code is supposed to remove the last char of a string and append l (lowercase L) if flip is true or r if it's false. std::stringstream ss;ss << code.substr(0, co... | Precedence issue. ss << flip ? "l" : "r"; means (ss << flip) ? "l" : "r"; Use ss << ( flip ? "l" : "r" ); | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/27843797', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2514251/']} | jdg_315614 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8450472 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have this code (printing the occurrence of the all permutations in a string) def splitter(str): for i in range(1, len(str)): start = str[0:i] end = str[i:... | EDIT 2013-12-11 - This answer is very old. It is still valid and correct, but people looking at this should prefer the new format syntax . You can use string formatting like this: >>> print '%5s' % 'aa' aa>>> print '%5s' % 'aaa' aaa>>> print '%5s' % 'aaaa' aaaa>>> print '%5s' % 'aaaaa'aaaaa Basically: the % characte... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/8450472', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1031417/']} | jdg_313236 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1463128 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have table as shown below. In order to workaround one default now column restriction of MySQL I used the tip as shown here CREATE TABLE IF NOT EXISTS mytable ( id INT NOT... | You can only have one timestamp column that defaults to CURRENT_TIMESTAMP or NOW() per table. This is a well known bug in MySQL. To overcome this, make your default for the created column a valid timestamp value, then insert the timestamp in your CRUD application code.Use NOW() or CURRENT_TIMESTAMP for your updated col... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1463128', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/124232/']} | jdg_348142 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 261011 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
I have a DD image taken from the raw HDD image (/dev/sdb). This image file contains an XFS filesystem that I need to mount. It is much too large to restore to disks (2.6TB img ... | The kpartx command will do all the work for you of detecting where the partitions exist and setting up loop devices with the appropriate offsets. # kpartx -l /dev/ganderData/example-sysdiskganderData-example--sysdisk-1 : 0 497952 /dev/ganderData/example-sysdisk 63ganderData-example--sysdisk-2 : 0 62412525 /dev/ganderDa... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/261011', 'https://serverfault.com', 'https://serverfault.com/users/78791/']} | jdg_295714 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20614350 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Looking for a way to compress images in a pdf and to output a pdf for archiving. I cannot compress the images before creation as it would compromise the quality of the print.... | I used code below for a proof of concept... Works a treat :) Thanks to Bruno for setting me on the right path :) package compressPDF;import java.awt.Graphics2D;import java.awt.geom.AffineTransform;import java.awt.image.BufferedImage;import java.io.ByteArrayOutputStream;import java.io.FileOutputStream;import java.io.IOE... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/20614350', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2410210/']} | jdg_324257 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 47886809 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I need to match the string "foo" from a string with this format: string = "/foo/boo/poo" I tied this code: poo = "poo"foo = re.match('.*(?=/' + re.escape(poo) + ')', string).... | Hey try the following regex: (?<=/).*(?=/poo)^^^^^^ It will not take into account your first slash in the result. Tested regex101 : https://regex101.com/r/yzMkTg/1 Transform your code in the following way and it should work: poo = "poo"foo = re.match('(?<=/).*(?=/' + re.escape(poo) + ')', string).group(0) Have a quick ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/47886809', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/9066600/']} | jdg_289581 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 35469 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
It is a well known result that a random walk on a 2D lattice will return to the origin see Polya's random walk constant . Based on this, it is not a big stretch to conclude th... | The difference between the positions is another random walk in the same dimension. You can either view the steps as different, or sample a random walk at even times. So, the probability is $0$ if meeting is ruled out by parity, and $1$ in the plane if meeting is possible. | {} | {'log_upvote_score': 6, 'links': ['https://mathoverflow.net/questions/35469', 'https://mathoverflow.net', 'https://mathoverflow.net/users/5593/']} | jdg_93265 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 48311878 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have a working C code. It connnects 2 char arrays and prints the solution out. But I have a dynamic memory management here (malloc) and have to free it now. Can someone tel... | Setting bottom: -50px on .carousel-indicators works fine to move the indicators below the carousel, however the result is not visible because of the overflow: hidden , as you suspected correctly. The indicators are simply clipped, as they get out of the bounding box of the carousel. Instead of setting the height and th... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/48311878', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/7828814/']} | jdg_305160 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 907382 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
If $f$ is a continuous open mapping of a locally compact space $(X,\tau)$ onto a topological space $(Y,\tau_1)$, show that $(Y,\tau_1)$ is locally compact. The definiti... | so take $y \in Y$ since $f$ is surjective there is $x \in X$ such that $f(x)=y$, so there is a compact neighborhood $U$ of $x$ , $f(U)$ is a compact subset of $Y$ and since $U$ is a neighborhood of $x$ so there is a open subset of $U$, $V$ such that $x \in V$, $f$ is a open mapping so $f(V)$ is open in $Y$ and $f(V) \s... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/907382', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/25841/']} | jdg_170302 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 44021400 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Usually, HTML5 form validation runs before the submit event. With this <form id="myForm"> <input type="text" name="foo" required /> <button type="submit"> Submit </but... | Instead of attaching the reCAPTCHA attributes to the button directly you have to add them to a div and then use grecaptcha.execute(); on form submit. <script src="https://www.google.com/recaptcha/api.js" async defer></script><form id="myForm"> Name: (required) <input id="field" name="field" required> <div id='rec... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/44021400', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1654265/']} | jdg_269862 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 56516 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm not sure what is wrong here but when running fdisk -l I don't get an output, and when running fdisk /dev/sdb # I get thisfdisk: unable to open /dev/sdb: No such file... | On most non-embedded Linux installations, and many embedded installations, /dev is on a RAM-backed filesystem, not on the root partition. Most current installations have /dev as a tmpfs filesystem, with the udev daemon creating entries when notified by the kernel that some hardware is available. Recent kernel offer the... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/56516', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/19227/']} | jdg_200036 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8460955 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I am trying to create a complete binary tree using a linked list, instead of arraylist, without comparing node values.What I mean is on inserting a new value, I do not wish t... | Keep a count of how many items you have in the tree. Then, to add the n th item follow the path created by dividing n repeatedly by two and keeping track of the remainder. Follow the "route" created by the remainder in reverse: where 1 means right and 0 means left. For example, to add the 11th item: 11/2 = 5 (1)5/2 = 2... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8460955', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1091753/']} | jdg_213612 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 37081803 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I want to load the Google APIs client library inside my index.html and the onLoad='someMethod' will invoke a method in a separate javascript file. That method will then print... | Component methods are not attached to the window object. MyApp.handleGoogleClientLoad is not going to be aliased to window.handleGoogleClientLoad which is what the google API script is likely trying to invoke. If you want the Google API to call a method on your component you're going to have some trouble as there's no ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/37081803', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/6119716/']} | jdg_261340 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4470413 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Euler's method for integration can be written as, $$f(x) = x + g(x)$$ Assuming that $g$ has a Lipschitz constant which is $<1$ , it is a contraction mapping and therefor... | Chern's definition is a little sloppy. His phrasing here gives the impression that reduction of the structure group is a property of $M$ , which it's not; reductions need not be unique if they exist. You can see that reflected implicitly here by the fact that local coordinates and hence transition functions are highly ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/4470413', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/427428/']} | jdg_309619 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 51708 |
Below is a question asked on the forum networkengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Netflix gave a public tech-talk explaining their network, and one specific design puzzled me. See Page 25 at this talk (Netflix's Migration into VPC) , the... | they seemed to choose to use 100.64.0.0/10 as their private network space, rather than 10.0.0.0/8 (or a subspace from it). What's the purpose? I don't see any obvious benefit, but I may miss some key points there. Can someone give some thoughts on this? The slide is very clear on why they are using this space. They are... | {} | {'log_upvote_score': 4, 'links': ['https://networkengineering.stackexchange.com/questions/51708', 'https://networkengineering.stackexchange.com', 'https://networkengineering.stackexchange.com/users/34708/']} | jdg_376654 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 336803 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
I issued the ^z; bg; disown sequence in order to allow me to close an ssh session in which I am running a super-important long-running process. This process writes status outp... | In Bash, the disown command issued by itself will remove backgrounded (via bg or & ) processes from the active job table, and mark them to not receive a SIGHUP on logout. You can also pass one or more jobs to disown, like disown 1 3 . The disown -h flag is useful if you want to keep jobs in the table, but still not SIG... | {} | {'log_upvote_score': 5, 'links': ['https://serverfault.com/questions/336803', 'https://serverfault.com', 'https://serverfault.com/users/28234/']} | jdg_275422 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 30841536 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I don't really know what the proper title for this question should be, but: I have a discriminated union called MyDiscriminatedUnion in F# : type MyDiscriminatedUnion =| Foo ... | This is a common mistake when coming from an OO language: there are no subtypes involved in this code. The fact that you named your union cases the same as the type of the field they contain can make this confusing though, so let me give a slightly different example: type MyDiscriminatedUnion = | Its_a_Foo of Foo | I... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/30841536', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3294171/']} | jdg_144322 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2611852 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I make thumbnails using PHP and GD library but my code turn png transparency into a solid black color, Is there a solution to improve my code? this is my php thumbnail maker ... | After imagecreatetruecolor(): <?php// ... Before imagecreatetruecolor()$dimg = imagecreatetruecolor($width_new, $height_new); // png ?: gif// start changesswitch ($stype) { case 'gif': case 'png': // integer representation of the color black (rgb: 0,0,0) $background = imagecolorallocate($dimg , 0, 0... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/2611852', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/311493/']} | jdg_345783 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6389417 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
In a big project I work for, I am considering recommending other programmers to always seal their classes if they haven't considered how their classes should be subclassed. O... | Okay, as so many other people have weighed in... Yes, I think it's entirely reasonable to recommend that classes are sealed by default. This goes along with the recommendation from Josh Bloch in his excellent book Effective Java, 2nd edition : Design for inheritance, or prohibit it. Designing for inheritance is hard , ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/6389417', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/454017/']} | jdg_179363 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20814609 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I am writing algorithms inside methods that return BigDecimal values but now and again the result calculated will be + or - infinity. Rather than the program crashing I'd lik... | BigDecimal doesn't have the concept of infinity. I can think of three options: The cleanest approach is probably to derive your own MyBigDecimal class, adding an infinity flag telling you if the instance contains infinity, and overriding the methods to which it would be relevant (which would be most of them, I would th... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/20814609', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2989759/']} | jdg_80178 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6487608 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have a query with ORDER BY name and the index on name is being ignored. How can I optimize the query to use an index and get rid of Using temporary from EXPLAIN? I have log... | A fragment is somewhat akin to an inline function: It makes the grammar more readable and easier to maintain. A fragment will never be counted as a token, it only serves to simplify a grammar. Consider: NUMBER: DIGITS | OCTAL_DIGITS | HEX_DIGITS;fragment DIGITS: '1'..'9' '0'..'9'*;fragment OCTAL_DIGITS: '0' '0'..'7'+;f... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/6487608', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/806993/']} | jdg_176444 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 25257 |
Below is a question asked on the forum electronics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
When I design something or going to add a fuse to place where fuse isn't used now, should I prefer slow or fast fuse? I understand that this depends on situation,... | Note the very very (lfe savingly) important aspect of HRC = "High rupture capacity" fuses, discussed at the end. You have done a fairly good job of summarising both the reasons and the dilemmas involved. Fast blow are used where possible, where the fuse can be sized such that typical faults will always cause it to blow... | {} | {'log_upvote_score': 5, 'links': ['https://electronics.stackexchange.com/questions/25257', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/7575/']} | jdg_76553 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 13781216 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I couldn't find any one simple straightforward resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching ... | If your $VARIABLE is a string containing spaces or other special characters, and single square brackets are used (which is a shortcut for the test command), then the string may be split out into multiple words. Each of these is treated as a separate argument. So that one variable is split out into many arguments : VARI... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/13781216', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/568458/']} | jdg_192047 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 55984923 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Visual Studio 2019's code analysis and code suggestions started to highlight every line of code where I call a method that returns a value but don't use that value at all and... | Excerpt from Microsoft Documentation : Starting with C# 7.0, C# supports discards, which are temporary, dummy variables that are intentionally unused in application code. Discards are equivalent to unassigned variables; they do not have a value. Because there is only a single discard variable, and that variable may ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/55984923', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/122980/']} | jdg_340683 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7443222 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I work with a lot of calculation code written in c++ with high-performance and low memory overhead in mind. It uses STL containers (mostly std::vector ) a lot, and iterates o... | It's all in your things.size() type. It isn't int , but size_t (it exists in C++, not in C) which equals to some "usual" unsigned type, i.e. unsigned int for x86_32. Operator "less" (<) cannot be applied to two operands of different sign. There's just no such opcodes, and standard doesn't specify, whether compiler can ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/7443222', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/13543/']} | jdg_302799 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3060144 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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The problem is: If $f$ and $g$ are increasing, then is $f \cdot g$ also increasing? First, I started out by working some basic definitions and assumptions: Assume $a < b... | The statement is false and a single example will prove it. Take $f\colon\mathbb{R}\longrightarrow\mathbb R$ defined by $f(x)=-e^{-x}$ and take $g=f$ . Then $f$ and $g$ are increasing. But $(f.g)(x)=e^{-2x}$ and therefore $f.g$ is decreasing. Of course, this is an extreme example: both $f$ and $g$ are increasing, but $f... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3060144', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/389088/']} | jdg_108382 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 37606035 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I would like to be able to pass a generic function to another function (in this case a closure), without losing the "genericness" of the passed function. Since that's a prett... | As has been mentioned, unfortunately the call is monomorphized at the call site, so you cannot pass a generic function, you can only pass a monomorphized version of the generic function. What you can pass, however, is a function builder : use std::fmt::Debug;struct Builder;impl Builder { fn build<I: Debug>(&self) ->... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/37606035', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1262369/']} | jdg_171159 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1486514 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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As I move through the iterations on my application*(s) I accumulate migrations. As of just now there are 48 such files, spanning about 24 months' activity. I'm considering ta... | Yes, this makes sense. There is a practice of consolidating migrations. To do this, simply copy the current schema into a migration, and delete all the earlier migrations. Then you have fewer files to manage, and the tests can run faster. You need to be careful doing this , especially if you have migrations running aut... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1486514', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1060/']} | jdg_86561 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11931432 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Possible Duplicate: What is the proper way to re-throw an exception in C#? I want to understand why the "throw ex" usage hides the original stack trace? What was the fundamen... | This isn't actually a C# question, but rather a CLI design question, and comes down to the different IL instructions, throw and rethrow . Basically, throw ex; (for any ex , even the original) is an IL throw , where-as throw; is an IL rethrow . If you are specifying a specific exception to throw, it follows that this ex... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11931432', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/239823/']} | jdg_236236 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 702707 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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In our QM intro class our professor was introducing us to concepts of energy, momentum, frequency, wavelength etc of photons an electrons, On one side of the board he... | The relation $c=f\lambda$ does indeed hold for light. The equation you have (the derivation is below) holds for matter waves that are nonrelativistic - or moving with low velocity.For more, see De Broglie's hypothesis where it is explained how matter has wave-like characteristics like an electron which has mass. I thin... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/702707', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/332283/']} | jdg_162899 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 25723 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
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This should be straightforward; I'm sorry if it's too much so. Can someone point me to a reference which computes the Dolbeault cohomology of the Hopf manifolds? Motivation: ... | Even though this question has an accepted answer, the answers so far are not complete or explicit. I kept working on this question, because I have been curious for a long time about the structure of Dolbeault complexes. First of all, the Frölicher spectral sequence does not directly reveal all of the non-Hodge infor... | {} | {'log_upvote_score': 6, 'links': ['https://mathoverflow.net/questions/25723', 'https://mathoverflow.net', 'https://mathoverflow.net/users/2819/']} | jdg_269228 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 54823682 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Is there any way to insert different values for specific column, not whole row in SQL Server.Classic UPDATE SET would set all to same value. For example I want to set some in... | 1 Proposal "Wide table" That has gross Normalisation errors (as well as, if taken seriously, it has masses of Nulls and integrity problems). It is unuseable, no further comment is required. "Narrow table" That is free of errors, but the Normalisation is not yet complete. "Typed table" That is sort of complete, the "be... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/54823682', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3265282/']} | jdg_116325 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2094963 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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When I began, I used pg_dump with the default plain format. I was unenlightened. Research revealed to me time and file size improvements with pg_dump -Fc | gzip -9 -c > dump... | First check that you are getting reasonable IO performance from your disk setup. Then check that you PostgreSQL installation is appropriately tuned. In particular shared_buffers should be set correctly, maintenance_work_mem should be increased during the restore, full_page_writes should be off during the restore, wal_b... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/2094963', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/477213/']} | jdg_334358 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 28279812 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I was working my way through a primer on Shell (Bash) Scripting and had the following doubt : I came across the ls command The man page of ls lists a few use cases as : ls -a... | Long-form ( --foo ) options are a GNU extension -- something present in GNU ls , but not present at all in the POSIX standard setting requirements for UNIX tools, so other versions of ls are not obliged to support these options. The entire word ( foo ) is meaningful in this case. This nomenclature was added more recent... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/28279812', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4382274/']} | jdg_204785 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 13996547 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am new to programming in Java but am generally familiar with how everything works. I would like to be able to put both a jar file and a jre into a windows executable(exe) s... | The only way I could bundle a JRE was to use Launch4J and Inno Setup Compiler . First, create a jre6 folder (for example) in the same directory as your output file (.exe). Then copy the JRE from your system into your jre6 folder. Then you open Launch4J and set the Bundled JRE path - just type in jre6 . Then click the B... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/13996547', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1919916/']} | jdg_98909 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8033950 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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For some reason, my write-to-textfile function stopped working all of a sudden. void write_data(char* filename, char* writethis){ ofstream myfile; myfile.open (filename... | What happens is that you write the Unix line endings ('\n'), then transfer it to a Windows machine getting a bitwise identical file, then trying to open the file with a viewer that does not understand Unix line endings (Notepad likely). From my experience on writing portable code: Standardize on ONE line-ending ( '\n' ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8033950', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/804128/']} | jdg_169634 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 32682 |
Below is a question asked on the forum politics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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In this answer the following scenario is presented: Russia invades a NATO member, say, Norway. NATO does nothing to defend Norway. In my opinion, this scenario is un... | Using military force is one way for NATO to counter aggression against one of its members, but not the only one. Article 5 of the North Atlantic treaty reads : The Parties agree that an armed attack against one or more of them in Europe or North America shall be considered an attack against them all and consequently th... | {} | {'log_upvote_score': 6, 'links': ['https://politics.stackexchange.com/questions/32682', 'https://politics.stackexchange.com', 'https://politics.stackexchange.com/users/-1/']} | jdg_227489 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 122279 |
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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In database schema's, I often notice VARCHAR sizes are rounded to the byte offsets 128/256 or 4096. I've done it before as well, and the idea behind it wa... | The only rational explanation I can think of would be: If the DBMS stores the values of a column sequentially, and the sizes are not rounded to a power of 2, then some elements may have to be "split" into two pages on the hard drive (e.g. the first 10 bytes in page n and the next 40 bytes in page n+1), which might in s... | {} | {'log_upvote_score': 4, 'links': ['https://softwareengineering.stackexchange.com/questions/122279', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/41748/']} | jdg_171629 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 56443979 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Is there a way to make a class that holds several other classes?In the Bootstrap menu, there are many anchor tags with the same multiple classes such as: <a class="nav-item n... | Regular Expressions will work nicely here. .contains() allows for regex So you can do a regex that matches the whole string only (use ^ and $ ). That way anything with extra characters won't match (like New Navigation Label). So for example, you could do: cy.get(`[data-test="dropdown"]`) .find('.item') .contains(... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/56443979', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1261114/']} | jdg_138177 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 71781 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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If I have a permutation $\sigma$ on the set $A$ written by disjoint cycles. There are $n$ disjoint cycles can I then write the sign of the permutation as: $\operatorname... | You know a cycle of length $r$ can be written as $r-1$ transpositions (if you don't, it's good to convince yourself of why) so each disjoint cycle can be decomposed into transpositions. If you can write $\sigma$ as $n$ disjoint cycles, each of length $r_i$, for $1\leq i\leq n$, you then have$$\operatorname{sgn}(\sigma)... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/71781', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/16793/']} | jdg_331770 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8477346 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm trying to use assertions to show some invariants (mostly in testing)Thus i want to write something like the following: values = [ range(10) ] expected_values = [ range(10... | Unfortunately, assert is a statement and Pythons limited lambdas don't allow that in them. They also restrict things like print . You can use a generator expression here though. assert all(x[0] == x[1] for x in zip( [run_function(i) for i in values ], expected_values)) I personally think that the following would be mo... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8477346', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/887836/']} | jdg_154098 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 45664666 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Hi I have a question about retaining fragment when Activity is recreated.I heard one way is to use setRetainFragment(true) in the onCreate method.Question is - how is this di... | setRetainInstance(true) : The Fragment's state will be retained (and not destroyed!) across configuration changes (e.g. screen rotate). The state will be retained even if the configuration change causes the "parent" Activity to be destroyed. However, the view of the Fragment gets destroyed! Lifecycle Calls: onPause() -... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/45664666', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2062024/']} | jdg_353218 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4621468 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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My company ships a product that among other things registers SharePoint EventReceiver on SPLists, monitoring for changes. I've been registering it in the GAC where it runs ju... | Event receiver assemblies cannot be installed only in "bin", because this way the .net framework could not find them. When your assembly is loaded from "bin" it is because assembly loader uses probing to locate the assembly. First it looks in GAC, then looks for directory called "bin" under the current working director... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4621468', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/40047/']} | jdg_149948 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 708634 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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Imagine that you are sitting next to a line that extends infinitely in both directions. Is it possible to distinguish it from an infinite circle? From my poor understan... | From a non-rigorous "visual" point of view you wouldn't be able to tell the difference, just like when you look down at your feet you can't tell that the earth is a sphere. The rigorous way to say this mathematically is that a circle and a line are "locally homeomorphic". Two sets are homeomorphic if there is a contin... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/708634', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/19341/']} | jdg_193757 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4627208 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I've got a parent-child OO relationship . Parent obejcts has many child objects and every child object knows about it's parent by reference. The parent can be a child too ( b... | You're not doing anything wrong; you have a parent that has a reference to its children, and each child has a reference back to its parent. When you var_dump() the root object, it iterates over the children to print them, and since each child has a reference to the parent, it walks back up. Because this would normally ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4627208', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/567093/']} | jdg_158127 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4892731 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a View which has 2 sub views on it and a ViewModel is assigned to each view: ViewA - ViewModelA{ ViewB - ViewModelB ViewC - ViewModelC} ViewB has a text box and V... | One way to have disconnected ViewModels communicate to each other is to use a publish / subscribe mechanism such as PRISM s EventAggregator . However, in a parent / child ViewModel relationship, I think it's fine for the parent to have direct knowledge and control over the child ViewModel. Personally, I don't think com... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4892731', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/602388/']} | jdg_351130 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 34216850 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am using fish shell. When I type Ctrl-D, it sends a EOF to my terminal and then terminal closes. I want to make it such that ctrl-D does not close my iterm2. I saw that peo... | This is the default key binding for control-D: bind \cd delete-or-exit you can find this by just running bind . ( delete-or-exit is just a function, which you can read with functions delete-or-exit .) So it's exiting because that's what the default behavior is. You can make control-D do something else. For example, may... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/34216850', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4251307/']} | jdg_119085 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9522845 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a top level PageView that will re-render itself whenever the route changes. I have many nested sub-views embedded into this PageView. If I was to re-render PageView, ... | Yes, you need to properly remove and unbind them: http://lostechies.com/derickbailey/2011/09/15/zombies-run-managing-page-transitions-in-backbone-apps/ The easy way to do this is to store an array of your sub-views in the parent view. Then in a close method on the parent view, loop through the array and call a close me... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/9522845', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/143459/']} | jdg_156639 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19197720 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm having an issue again. I just updated my Arcade page, and I want it to have a different navigational bar than the rest of my site. When I make every div that I'm using as... | The elbow criterion is a visual method. I have not yet seen a robust mathematical definition of it.But k-means is a pretty crude heuristic, too. So yes, you will need to run k-means with k=1...kmax , then plot the resulting SSQ and decide upon an "optimal" k. There exist advanced versions of k-means such as X-means tha... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/19197720', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2714455/']} | jdg_236320 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3588972 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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This is a fairly simple, soft-ish question. I understand the definition of products and coproducts in category theory, and if I can guess or look up what the product is ... | If your category $C$ is related to some other category $X$ (e.g. to $\mathbf{Set}$ ) via some "forgetful functor" (for this heuristics, it's not necessary to have a precise definition, although "faithful" is often what is suggested) $U:C\to X$ , and if you know $X$ very well (e.g. $\mathbf{Set}$ ), then you can try to ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3588972', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/27193/']} | jdg_322646 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6754454 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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So at the suggestion of a colleague, I just tested the speed difference between the ternary operator and the equivalent If-Else block... and it seems that the ternary operato... | There's a good chance that the ternary operator gets compiled into a cmov while the if/else results in a cmp + jmp . Just take a look at the assembly (using -S) to be sure. With optimizations enabled, it won't matter any more anyway, as any good compiler should produce the same code in both cases. | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/6754454', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/847269/']} | jdg_270484 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 242337 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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Possible Duplicate: Finding the adjoint of an operator Consider the vector space $C[0, 1]$ with inner product,\begin{align*}\langle f, g\rangle=\int_{0}^1f(t)g(t)\ dt.\e... | $\def\sp#1{\left\langle#1\right\rangle}$For $f,g \in C[0,1]$ we have\begin{align*} \sp{Tf, g} &= \int_0^1 Tf(t)g(t)\,dt\\ &= \int_0^1 \int_0^t f(s)\,ds \cdot g(t)\,dt\\ &= \int_0^1 \int_s^1 f(s)g(t)\,dt\,ds\\ &= \int_0^1 f(s)\int_s^1 g(t)\,dt\,ds\\ &=: \sp{f, T^*g}\end{a... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/242337', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/49572/']} | jdg_319210 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2163182 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm using Spring to inject JMS connection factory into my Java application. Since this factory is only required within the production environment, not while I'm developing th... | factory-bean / factory-method doesn't work with null , but a custom FactoryBean implementation works fine: public class NullFactoryBean implements FactoryBean<Void> { public Void getObject() throws Exception { return null; } public Class<? extends Void> getObjectType() { return null; } publ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2163182', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/261945/']} | jdg_188914 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 52299117 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have the following panel data: id date returns 1 Jan 09 -0.07142857 1 Feb 09 -0.09615385 1 Mrz 09 0.03273322 1 Apr ... | I recently battled this, and decided to solve it without plugins. I hope it helps someone. The below program downloads a picture from the web, stores it in the device's local path, and then displays it when run. (note, it does not work for flutter web because you don't have access to the local file storage on that plat... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/52299117', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/9259005/']} | jdg_208713 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 331079 |
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I'm working on a web application where the server side makes calls to a foreign server's web service API. The data passed to this API could contain sensit... | I'm pretty dismayed at these other answers. Best practice is only to log what you need to log, so not the full request and response. You must then consider data protection law. Obviously this varies by jurisdiction but generally it follows the same principles: You must document what you are doing, why and the precautio... | {} | {'log_upvote_score': 5, 'links': ['https://softwareengineering.stackexchange.com/questions/331079', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/246169/']} | jdg_175479 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 304461 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I need to do a join with a table/result-set/whatever that has the integers n to m inclusive. Is there a trivial way to get that without just building the table? (BTW what wou... | I found this solution on the web SET @row := 0;SELECT @row := @row + 1 as row, t.*FROM some_table t, (SELECT @row := 0) r Single query, fast, and does exactly what I wanted: now I can "number" the "selections" found from a complex query with unique numbers starting at 1 and incrementing once for each row in the result... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/304461', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1343/']} | jdg_318319 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 223778 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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How can I run an infinite loop in the background, while continuing on with the script's execution? Example "script": while true; do something_in_the_background; donedo_s... | With the & inside the loop it will start a new process in the background and as fast as it can do it again without waiting for the first process to end. Instead I think you want to put the loop into the background, so put the & on the loop itself like while /bin/true; do something_in_the_backgrounddone &# more stuf... | {} | {'log_upvote_score': 7, 'links': ['https://unix.stackexchange.com/questions/223778', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/129013/']} | jdg_132194 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4817670 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I wish to profile a Java application without stopping the application. Can I add a Javaagent somehow while the application is running?
Now provide the response and nothing e... | See Starting a Java agent after program start . It links to http://dhruba.name/2010/02/07/creation-dynamic-loading-and-instrumentation-with-javaagents/ that under "Dynamic loading of a javaagent at runtime" provides working example: public static void loadAgent() throws Exception { String nameOfRunningVM = Managemen... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4817670', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/190822/']} | jdg_310340 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 14117415 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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The title pretty much summarizes what I'd like to have happen. Here is what I have, and while the program doesn't blow up on a nonpositive integer, I want the user to be info... | This should be possible utilizing type . You'll still need to define an actual method that decides this for you: def check_positive(value): ivalue = int(value) if ivalue <= 0: raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value) return ivalueparser = argparse.ArgumentParser(..... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/14117415', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/475229/']} | jdg_280941 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 24236829 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have cloned one of my GitHub project's wiki locally, and I want to restructure the file system. By default different pages added to the wiki are all created in the parent d... | If GitHub is still using github/gollum , then, as explained in " How can you use subdirectories in a GitHub wiki checkout? ", subfolders are not supported (or were buggy at the time of the fork). More recent versions of gollum/gollum supports that organization , even though recent PR (Pull Requests) are still fixing is... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/24236829', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/435540/']} | jdg_328851 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1000556 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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In some code that I have to maintain, I have seen a format specifier %*s . Can anybody tell me what this is and why it is used? An example of its usage is like: fprintf(outFi... | It's used to specify, in a dynamic way, what the width of the field is : The width is not specified in the format string, but as an additional integer value argument preceding the argument that has to be formatted. so "indent" specifies how much space to allocate for the string that follows it in the parameter list. ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/1000556', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/30341/']} | jdg_189075 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2857490 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a class User class User { int id; String name;} where id is native generator in User.hbm.xml and name is primary-key in DB. In my database I saved some information ... | This code always trying insert bill to database , rather than update when row about Bill exists in DB... From the section 10.7. Automatic state detection of the Hibernate core documentation: saveOrUpdate() does the following: if the object is already persistent in this session, do nothing if another object associated ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2857490', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/344039/']} | jdg_311659 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 13034 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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Suppose I have a massive particle in non-relativistic quantum mechanics. Its wavefunction can be written in the position basis as $$\vert \Psi \rangle = \Psi_x(x,t)$... | If I understand correctly, your question basically comes down to identifying a basis for the space of square-integrable functions, $L^2(\mathbb{R})$, since any physical state $|\Psi\rangle$ can be constructed by performing the integral you listed in your question with a function $\Psi_x(x)\in L^2(\mathbb{R})$. $L^2$ is... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/13034', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/74/']} | jdg_292613 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 215581 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
What is the purpose of the colon before a block in Python? Example: if n == 0: print "The end"
Now provide the response and nothing else.
| The colon is there to declare the start of an indented block. Technically, it's not necessary; you could just indent and de-indent when the block is done. However, based on the Python koan “explicit is better than implicit” (EIBTI), I believe that Guido deliberately made the colon obligatory, so any statement that shou... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/215581', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/14732/']} | jdg_248704 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3009635 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I recently learnt a Japanese geometry temple problem. The problem is the following: Five squares are arranged as the image shows. Prove that the area of triangle T and t... | We will, first of all, prove a very interesting property $\mathbf{Lemma\;1}$ Given two squares PQRS and PTUV (as shown on the picture), the triangles $\Delta STP$ and $\Delta PVQ$ have equal area. $\mathbf {Proof}$ Denote by $\alpha$ the angle SPT and by $[...]$ the area of the polygon "...". Hence $$[\Delta STP]=\frac... | {} | {'log_upvote_score': 7, 'links': ['https://math.stackexchange.com/questions/3009635', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/587091/']} | jdg_293509 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2315009 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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By default maven will filter resources like this: <properties> <replace.me>value</replace.me></properties><some-tag> <key>${replace.me}</key></some-tag> will get you: <some... | Have a look at the delimiters parameter of the resources mojo. Configuring the plugin like this will do the trick: <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-resources-plugin</artifactId> <version>2.4.2</version> <configuration> <delimiters> <delimiter>${*}</delimiter><!-- to keep... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2315009', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/40800/']} | jdg_336300 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12317523 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I need to "animate" a variable with jquery. Example: The variable value is 1. The value should be 10 after 5 seconds.It should be increase "smoothly". Hope that you know what... | What you require is the step parameter in the $().animate function. var a = 1;jQuery('#dummy').animate({ /* animate dummy value */},{ duration: 5000, step: function(now,fx){ a = 1 + ((now/100)*9); }}); demo | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12317523', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1654596/']} | jdg_263128 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4225892 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I have a little project of mine, where I'm basically trying to prove mostof the properties of polynomial functions without using any calculus whatsoever. I've been able ... | This assumes that it is ok to use that $[x,y]$ is compact (which follows from the completeness which you already used and the fact that such an interval is totally bounded). Let $x,y\in (a,b)$ and $x<y$ . Let $z\in [x,y]$ . Note that there is a polynomial $g$ such that $$\frac{f(z+h)-f(z)}{h}=f'(z)+hg(h)$$ for $h\in\Bb... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/4225892', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/884388/']} | jdg_190130 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 957422 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Is there a way to specify email AND name for sender and recipient info when using ActionMailer? Typically you'd do: @recipients = "#{user.email}"@from = "info@mycom... | If you are taking user input for name and email, then unless you very carefully validate or escape the name and email, you can end up with an invalid From header by simply concatenating strings. Here is a safe way: require 'mail'address = Mail::Address.new email # ex: "john@example.com"address.display_name = name.dup ... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/957422', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/113376/']} | jdg_73494 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 232435 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a two way foreign relation similar to the following class Parent(models.Model): name = models.CharField(max_length=255) favoritechild = models.ForeignKey("Child", bl... | I just came across ForeignKey.limit_choices_to in the Django docs.Not sure yet how this works, but it might just be the right thing here. Update: ForeignKey.limit_choices_to allows to specify either a constant, a callable or a Q object to restrict the allowable choices for the key. A constant obviously is of no use her... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/232435', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/25521/']} | jdg_150472 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 233858 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I am unable to interpret this graph. My dependent variable is total number of movie tickets that will be sold for a show. The independent variables are the number of da... | Your residual plot has a definite pattern, with several lines trending downward as fitted values increase. This pattern can occur if you fail to account for fixed/random effects in your model and the fixed effects are correlated with explanatory variables. Consider the following example: set.seed(999)N = 1000num.groups... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/233858', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/68444/']} | jdg_237416 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 25096534 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I've tried searching for solutions to this but have not found anything that matches my situation. I have a MainActivity which extends FragmentActivity, and multiple ListFragm... | I managed to figure this out finally! It turns out it wasn't just calling the context menu for the wrong ListView, the context menu was being called for ALL fragments. This was solved by using getUserVisibleHint() in an if statement within the onContextItemSelected method, so that if the Fragment the context menu was c... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/25096534', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3901090/']} | jdg_79895 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1376878 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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i want to fire an event manually using c#. For instance, say if i want to fire a Form_closing event of Form A from Form B. How to do it ?? After getting some comments. I thin... | We did the following in one project: There was a GlobalNotifier class, which defined events we wanted to use in different modules of the application, like this public static class GlobalNotifier{ public static event VoidEventHandler EnvironmentChanged; public static void OnEnvironmentChanged() { if (Env... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1376878', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/125148/']} | jdg_358757 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9376975 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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How to check in c , linux if a file has been updated/changed . I want to check a file for update before opening the file and performing extraction/ i/o operations from it.
N... | Look at the man page for stat(2) . Get the st_mtime member of the struct stat structure, which will tell you the modification time of the file. If the current mtime is later than a prior mtime, the file has been modified. An example: int file_is_modified(const char *path, time_t oldMTime) { struct stat file_stat; ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9376975', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/245375/']} | jdg_367318 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2069544 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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Consider a dynamical system with state space $2^n$ represented as a sequence of $n$ black or white characters, such as $BWBB\ldots WB$. At every step, we choose a random... | This is now a complete answer. It turns out that Markus was right all along : with this particular starting configuration, the number of black balls is a Markov chain, and at any point in time, the distribution of the sequence is uniform conditionned on the number of black balls in the space of sequences starting with ... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/2069544', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/62009/']} | jdg_267664 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 283646 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have just converted a project from Visual Studio 2003 to 2005 and although most of it 'converted' fine, I have a series of STL errors from the following line: void SomeFn( ... | Your program is incorrect as NULL cannot be converted as an iterator. I don't really know what you want these iterators to be initialized as. If you need an iterator guarantied not to be in a container but to be still "valid", you can use a default-constructor: typedef std::vector<CSomeObject*> myvector_t;void SomeFn( ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/283646', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/18664/']} | jdg_379966 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 64042 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Given a program that requires some parameters, e.g. program -in file.in -out file.out , what would be the simple-most approach to write a bash script that could be calle... | A default value is easy to define in Bash: foo="${bar-default}" # Sets foo to the value of $bar if defined, "default" otherwisefoo="${bar:-default}" # Sets foo to the value of $bar if defined or empty, "default" otherwise To process your parameters, you can use a simple loop: while truedo case "${1-}" in -in)... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/64042', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/863/']} | jdg_373643 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 32677 |
Below is a question asked on the forum raspberrypi.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I have a "simple" question. I would like to turn my Pi into an audio streaming device for a game, where I need to hear what is going on in a room. So I connected ... | If you want realtime html5 audio on the receiver side, I would definitely recommend a streaming audio solution. CPU, network and memory load is probably much less compared with the solution you described. Icecast in combination with Jack for streaming audio seems a good solution at first sight. Icecast is well document... | {} | {'log_upvote_score': 4, 'links': ['https://raspberrypi.stackexchange.com/questions/32677', 'https://raspberrypi.stackexchange.com', 'https://raspberrypi.stackexchange.com/users/7246/']} | jdg_264459 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 15832631 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
This answer comes with an interesting statement - "on machines where int* is smaller than a char* ". (let's exclude pointers to functions) Is it possible for pointers to diff... | Yes, it's entirely possible. On some machines, a pointer to a byte contains two values: A pointer to the WORD address of the memory word containing the byte, and a "byte index" that gives the position of the byte within the word. E.g. on a 32-bit machine, the "byte index" is 0..3. This would require more storage space ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/15832631', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/673730/']} | jdg_196135 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4314085 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I think the below one is a problem which demonstrates a beautiful subtlety (at least for someone like me who's a beginner). Show that $$\int_{-\infty}^\infty \frac{2x}{1... | No. The symbols $a$ and $b$ are just variables. You could also write $$\int_{-\infty}^{\infty} \frac{2 x}{1 + x^2} \ \text{d}x= \left(\lim_{c \to \infty} - \ln(1 + c^2)\right) + \left(\lim_{c \to \infty} \ln(1 + c^2)\right).$$ But this is not equal to $$\lim_{c \to \infty} \left(- \ln(1 + c^2) + \ln(1 + c^2)\right)= \l... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/4314085', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/913083/']} | jdg_161429 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 25993456 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I need to modify an existing PK. Therefore I drop an recreate it. ALTER TABLE B DROP CONSTRAINT PK_B;ALTER TABLE B ADD CONSTRAINT PK_B PRIMARY KEY ("TYP", "NR", "HH", "QUART"... | Perhaps there is an INDEX associated with the PRIMARY KEY CONSTRAINT , and it is also named as PK_B . You can check it as : SELECT * FROM USER_INDEXES WHERE TABLE_NAME='<table_name>'; If that's true, then do : ALTER INDEX "PK_B" RENAME TO "PK_XYZ"; Update : Regarding ALTER INDEX statement, few important points as menti... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/25993456', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1817029/']} | jdg_179810 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 23793062 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Stash enables automatic fork syncing if selected: https://confluence.atlassian.com/display/STASH/Keeping+forks+synchronized It will update any branches in your fork that you ... | For the record, recently I ran into this same problem and addressed it with Github Actions. The solution is rather easy: an scheduled action fetches the upstream repository and merges it into mine. # .github/workflows/example.ymlname: Merge upstream brancheson: schedule: # actually, ~5 minutes is the highest #... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/23793062', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3653274/']} | jdg_93982 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 13887616 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm trying to select different prices of a product based on the quantity that user chooses.This is the query I'm working on (it has a syntax error): select id, (SELECT ... | You have what you have used in stored procedures like this for reference, but they are not intended to be used as you have now. You can use IF as shown by duskwuff . But a Case statement is better for eyes. Like this: select id, ( CASE WHEN qty_1 <= '23' THEN price WHEN '23' > qty_1 && qty_2 <= '2... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/13887616', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1679981/']} | jdg_214523 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 16658326 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm using the Dynamic Linq Library to parse a boolean expression. In this method: public static LambdaExpression Parse(SearchQuery query){ string compilableExpression = Bu... | When a static constructor throws an exception, it is wrapped inside a TypeInitializationException . You need to check the exception object's InnerException property to see the actual exception. In a staging / production environment (where you don't have Visual Studio installed), you'll need to either: Trace/Log the exc... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/16658326', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1082327/']} | jdg_252972 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 24499304 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Why does Django REST Framework implement a different Authentication mechanism than the built-in Django mechanism? To wit, there are two settings classes that one can configur... | Django Rest Framework does not perform authentication in middleware by default for the same reason that Django does not perform authentication in middleware by default: middleware applies to ALL views, and is overkill when you only want to authenticate access to a small portion of your views. Also, having the ability t... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/24499304', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/358431/']} | jdg_323523 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5590036 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I am trying out a sample project using Spring MVC annotated Controllers. All the examples I have found online so far bind the JSP to a particular model and the controller use... | Just remove the "path" from the jsp input tag and use HttpServletRequest to retrieve the remaining data. For example I have a bean like public class SomeData { private String name; public String getName() { return name; } public void setName(String name) { this.name = name; }} Then in the j... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/5590036', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/514946/']} | jdg_256280 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 26247 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Based on a sample of $n$ survival times, I would like to estimate the probability of surviving time $t$, for some specific $t$, using the Kaplan-Meier estimator. Is it ... | You can use the output of the survfit function from the survival package and give that to stepfun . km <- survfit(Surv(time, status)~1, data=veteran)survest <- stepfun(km$time, c(1, km$surv)) Now survest is a function that can be evaluated at any time. > survest(0:100) [1] 1.0000000 0.9854015 0.9781022 0.9708029 0.963... | {} | {'log_upvote_score': 6, 'links': ['https://stats.stackexchange.com/questions/26247', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/7064/']} | jdg_326997 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 29065 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
Since the NetBIOS vulnerability is quite well-known a long time ago and heavily popularized, patches have been already released. So, is opening this 139 port OK now?
Now provi... | Ports are not vulnerable, they are just ports. Services that listen on particular ports may have remotely exploitable vulnerabilities, or misconfiguration of services that listen on particular ports may lead to unintended consequences. The last remote exploits that targeted NetBIOS/139 were in the Windows NT/2000 day... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/29065', 'https://serverfault.com', 'https://serverfault.com/users/-1/']} | jdg_371590 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6951190 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I've got a UITableView that I'd like to stick a 44px subview on top of. I tried tableViewHeader , but that scrolls with the rest of the table. I tried searching and have foun... | I finally figured this out right after posting. Figures. :) Here's what I did, in case others run into the same problem: Delete the existing UITableViewController and its XIB. They're junk. Get really mad while you do. Make a new UIViewController subclass with a XIB Open XIB in IB and add your header stuff and a UITabl... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/6951190', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/192831/']} | jdg_263665 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 207401 |
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Suppose one had a relatively large program (say 900k SLOC in C#), all commented/documented thoroughly, well organized and working well. The entire code ba... | While tests are a good idea, the intention was for the original coder to build them as he was building the application to capture his knowledge of how the code is supposed to work and what may break, which would have then been transferred to you. In taking this approach, there is a high probability that you will be wri... | {} | {'log_upvote_score': 7, 'links': ['https://softwareengineering.stackexchange.com/questions/207401', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/1960/']} | jdg_162026 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11998974 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
if we create pthreads (pthread_create) or processes (fork) with default scheduling policies on linux, will the scheduler treats the processes and threads with same priority w... | Linux no longer schedules processes at all. Within the kernel, threads are scheduled. The concept of a process is now an artificial construct seen mostly by things outside the kernel. Obviously, the kernel has to know how threads are tied together, but not for scheduling purposes. Basically, the kernel maintains a whol... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/11998974', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/473781/']} | jdg_105953 | PrimeIntellect/stackexchange-question-answering |
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