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 |
|---|---|---|---|---|---|---|---|---|
stackexchange | llm_judgeable_groundtruth_similarity | 2772173 |
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:
Tricky u-sub. Can you point me in the right direction? $$\int{{x^3}\sqrt{5-2x^2}}dx$$ $u = 5-2x^2$ $ du = -4x dx$ Obviously, this does not match fully. I tried breaking... | Am I on the right track? You're doing fine! So you have $u=5-2x^2$ which gives $x^2=\frac{5-u}{2}$ and from $\mbox{d}u=-4x\,\mbox{d}x$ you get $x\,\mbox{d}x=-\tfrac{1}{4}\mbox{d}u$. Now perform the substitution:$$\int{{x^3}\sqrt{5-2x^2}}\,\mbox{d}x = -\frac{1}{4}\int\frac{5-u}{2}\sqrt{u}\,\mbox{d}u= -\frac{1}{8}\int \l... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2772173', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/17139/']} | jdg_314859 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2657482 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Possible Duplicate: Retrieving the last record in each group I have one table, which has three fields and data. Name , Top , Totalcat , 1 , 10dog , 2 , 7cat ... | select Name, Top, Totalfrom sometablewhere Total = (select max(Total) from sometable i where i.Name = sometable.Name) or select Name, Top, Totalfrom sometable inner join ( select max(Total) Total, Name from sometable group by Name ) as max on max.Name = sometable.Name and max.Total = sometable.Total | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2657482', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/319088/']} | jdg_293968 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 27449590 |
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 fairly new to swift language and iOS development as a whole so please pardon me for my lack of fundamental knowledge. Previously i tried and successfully Implemented mul... | You never added your label or button to "view". Also your sizes don't make sense -- you set the widths of the label and button to be 1/2 the width of the table view, but then in your constraints, you have 80 points worth of spaces, so that can't work. In any case, you should NOT set any frames when you use auto layout.... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/27449590', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1427120/']} | jdg_320580 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 36422107 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
So I got those template, they are all ending in LF and I can fill some terms inside with format and still get LF files by opening with "wb" . Those templates are used in a de... | Convert line endings in-place (with Python 3) Line endings: Windows - \r\n , called CRLF Linux/Unix/MacOS - \n , called LF Windows to Linux/Unix/MacOS ( CRLF ➡ LF ) Here is a short Python script for directly converting Windows line endings to Linux/Unix/MacOS line endings. The script works in-place , i.e., without crea... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/36422107', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1346690/']} | jdg_260459 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 407230 |
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:
I'm trying to clear things out for myself, there are a lot of different categorizations within RL. Some people talk about: On-policy & Off-Policy Model-based & Model-fr... | Here is a quick summary on the Reinforcement Learning taxonomy: On-policy vs. Off-Policy This division is based on whether you update your $Q$ values based on actions undertaken according to your current policy or not. Let's say your current policy is a completely random policy . You're in state $s$ and make an action ... | {} | {'log_upvote_score': 5, 'links': ['https://stats.stackexchange.com/questions/407230', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/247246/']} | jdg_294875 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 208 |
Below is a question asked on the forum economics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Older macroeconomics texts give much space to efficiency wage explanations of how unemployment could coexist with wages in equilibrium higher than the reservation w... | I don't believe that Search Unemployment (MP) actually "won" over efficiency wages. The whole discussion of search literature would be too long for this post, so I'll just skim the most important parts. (i) As a first, Shimer (2005) discusses that the MP model actually fails to get employment (market tightness) volatil... | {} | {'log_upvote_score': 4, 'links': ['https://economics.stackexchange.com/questions/208', 'https://economics.stackexchange.com', 'https://economics.stackexchange.com/users/86/']} | jdg_310216 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5477219 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
How do you unit test Objective C code? (iPhone) In other languages such as java and .Net you can use Dependency Injection, to be able to unit test and pass mocked object in y... | Inversion of control is still feasible in objective-c. You can certainly design your classes with constructor-based or property-based dependency injection in mind but I don't think you'll find an annotation based dependency injection framework like you are used to. [[ClassToBeTested alloc] initWithDependency:foo andOth... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/5477219', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/242769/']} | jdg_315749 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5884154 |
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 ability to read (and write) a text file into and out of a string array is I believe a fairly common requirement. It is also quite useful when starting with a language rem... | As of Go1.1 release, there is a bufio.Scanner API that can easily read lines from a file. Consider the following example from above, rewritten with Scanner: package mainimport ( "bufio" "fmt" "log" "os")// readLines reads a whole file into memory// and returns a slice of its lines.func readLines(path strin... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/5884154', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/727302/']} | jdg_176317 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2225341 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
OK, I am not that experienced with SQL 2005 error handling and am learning my way around try/catch statements. I have written the below procedure but no matter what I pass to... | It would be rather strange to expect the function pointers to work the way you expect them to work in your example. "Default argument" is a purely compile-time concept, it is a form of syntactic sugar . Despite the fact that default arguments are specified in the function declaration or definition, they really have not... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2225341', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/150510/']} | jdg_265193 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 39112 |
Below is a question asked on the forum skeptics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
While browsing reddit , I saw the following graphic from the Late Stage Capitalism subreddit : (Two stick figures are shown, the second one with Shell's logo for a h... | The infographic is false. Shell does not receive $2 Billion in subsidies a year. They do receive tax breaks, but not for "no real reason". The $2 Billion claim in the infographic seems to be either a misrepresentation or a misreading of values found on some websites online. An approximate value of $2 Billion for Roy... | {} | {'log_upvote_score': 8, 'links': ['https://skeptics.stackexchange.com/questions/39112', 'https://skeptics.stackexchange.com', 'https://skeptics.stackexchange.com/users/49/']} | jdg_217218 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 338051 |
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 run a large website (500k uniques a day) and am about to move to another hoster. My new machine is setup, and tested, all files are copied over, so I am almost ready to chang... | No, well yes, but in reality no. Set your DNS TTL really low before the migration (like 5 minutes), this tells clients to only cache the DNS for 5 minutes then refresh. In theory, after you change the IP over in your DNS it should only take 5 minutes for the clients to start hitting the new server IP. Unfortunately, th... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/338051', 'https://serverfault.com', 'https://serverfault.com/users/68748/']} | jdg_262198 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 511578 |
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:
Consider a capacitor, $$ C= \frac{Q}{V}$$ To derive the energy of this device, $$ U = \int V \cdot dq$$ $$ U = \int \frac{Q}{C} \cdot dq$$ (from original capacito... | The simple answer is that you cannot short circuit two ideal voltage sources without creating an over determined system of equations. So if you try to use network theory to describe the circuit you have drawn, it will always fail. As others have pointed out, to make this circuit calculatable, you need to add some paras... | {} | {'log_upvote_score': 5, 'links': ['https://electronics.stackexchange.com/questions/511578', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/236654/']} | jdg_272657 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 41358018 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
PATH can be set temporarily for following commands. Also, PATH can be set in a script, which remains permanently (in that terminal, or session). How can I set PATH that is gl... | it's simply not true.If you write a script and change the $PATH variable, the change live only in the script: vi test.sh inside the file: #!/bin/bashexport PATH="$PATH:test" let's test: echo $PATH/usr/lib64/qt-3.3/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/home/matteo/.local/bin:/home/matteo/bin:./bin:... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/41358018', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3134055/']} | jdg_247381 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 765020 |
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:
Suppose that $X,Y$ are two scalar independent normal random variables, $X \sim N(\mu_X,\sigma_X^2)$, $Y \sim N(\mu_Y,\sigma_Y^2)$. I'm particularly interested about the ... | $\newcommand{\+}{^{\dagger}} \newcommand{\angles}[1]{\left\langle\, #1 \,\right\rangle} \newcommand{\braces}[1]{\left\lbrace\, #1 \,\right\rbrace} \newcommand{\bracks}[1]{\left\lbrack\, #1 \,\right\rbrack} \newcommand{\ceil}[1]{\,\left\lceil\, #1 \,\right\rceil\,} \newcommand{\dd}{{\rm d}} \newcommand{\down}{\downarrow... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/765020', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/74695/']} | jdg_285671 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1286699 |
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:
Upon looking at yet another question on this site on evaluating a limit explicitly without l'Hopital's rule, I remembered that one of my professors once said something t... | I can only guess that your professor feels it is an overpowered tool. Consider the limit $$\lim_{x\to 0} \frac{\sin(x)}{\sin(x)+\tan(x)}$$ There is a lot to be gained for a math student by spending more time on this limit. After all, the numerator is approaching zero, so it seems that the limit could be zero. The deno... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/1286699', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/241336/']} | jdg_288239 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 39724161 |
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 try to add a default value to an option. It will be like a kind of placeholder and I use this method to do it.In pure HTML it work, but if I try to use *ngFor of angular 2 ... | update 4.0.0-beta.6 added compareWith <select [compareWith]="compareFn" [(ngModel)]="selectedCountries"> <option *ngFor="let country of countries" [ngValue]="country"> {{country.name}} </option></select>compareFn(c1: Country, c2: Country): boolean { return c1 && c2 ? c1.id === c2.id : c1 === c2;} this w... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/39724161', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3034932/']} | jdg_308421 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 23726110 |
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 recently deployed an app and got an internal server error because of missing production secret_key_base . After hours of testing, I managed to solve this problem with ... | For local development Generate a secret using rails secret Method #1: Store this secret in your .bashrc or .zshrc see https://apple.stackexchange.com/questions/356441/how-to-add-permanent-environment-variable-in-zsh for Method #2: Use the dotenv Gem Once you have this gem installed, you then create a .env file in the r... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/23726110', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3631047/']} | jdg_137552 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8536187 |
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 not an expert with regex but tried my hand with validating a field that allows alphanumeric data with spaces but not any other special characters. Where linkTitle is the ... | I think you want to match the beginning of the string once , then use the Positive Closure—one or more—of your letters, spaces or digits, then the end of the string. /^[A-Za-z\d\s]+$/.test(linkTitle) Tested with: var reg = /^[A-Za-z\d\s]+$/;["Adam", "Ada m", "A1dam", "A!dam", 'sdasd 213123&*&*&'].forEach(function (str)... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8536187', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/749129/']} | jdg_254188 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2675123 |
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 industry, there is often a problem where you need to calculate the most efficient use of material, be it fabric, wood, metal etc. So the starting point is X amount of shap... | After Andrew in his answer pointed me to the right direction and named the problem for me, I decided to dump my research results here in a separate answer. This is indeed a packing problem, and to be more precise, it is a nesting problem. The problem is mathematically NP-hard, and thus the algorithms currently in use a... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2675123', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/24198/']} | jdg_377869 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7678919 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Note: added after answer: Thanks.. Yeah I had tried the Flag.SEEN to true and saveChanges.. I also had read getContent marks it read. I tried using it in the for statement th... | First of all, you can't mark a message as read if you are using a POP3 server - the POP3 protocol doesn't support that. However, the IMAP v4 protocol does. You might think the way to do this is to get the message, set the Flags.Flag.SEEN flag to true, and then call message.saveChanges() . Oddly, this is not the case. I... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/7678919', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/937446/']} | jdg_234599 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7323 |
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:
In VMS DCL one may embed data in a command file using $DECK and $EOD. What is Linux for this?
Now provide the response and nothing else.
| You can embed data within shell scripts. How this works is shell dependent. However bash/perl etc. do this in similar ways, using a heredoc . e.g. in bash (and similar): $ cat > sample.txt << EOFabcEOF will write as input a,b,c up to the EOF, and then cat will write that out to sample.txt. Note that EOF is a convention... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/7323', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/3999/']} | jdg_304554 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 695289 |
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 run the following PHP script to do a simple database query: $db_host = "localhost";$db_name = "showfinder";$username = "user";$password = "password";$dbconn = p... | From what I've read, this error means that you're not referencing the table name correctly. One common reason is that the table is defined with a mixed-case spelling, and you're trying to query it with all lower-case. In other words, the following fails: CREATE TABLE "SF_Bands" ( ... );SELECT * FROM sf_bands; -- ERRO... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/695289', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/80857/']} | jdg_129511 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 29063244 |
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 make nested lists in twitter bootstrap look like a normal list, with the nested items simply indented (and have it work for an arbitrarily deep nesting)? By... | Nested Group Lists .just-padding { padding: 15px;}.list-group.list-group-root { padding: 0; overflow: hidden;}.list-group.list-group-root .list-group { margin-bottom: 0;}.list-group.list-group-root .list-group-item { border-radius: 0; border-width: 1px 0 0 0;}.list-group.list-group-root > .list-group-item:first-c... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/29063244', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/-1/']} | jdg_265385 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 13079513 |
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 running a command-line PHP job that is resulting in a Segmentation Fault. This job has worked for a long time, but it processes something that is emailed in. Apparently ... | I usually use xdebug if I encounter a segfault. I prefer to use the following line: php -d xdebug.auto_trace=ON -d xdebug.trace_output_dir=mytracedir/ myscript.php With the trace-output under mytracedir/, you can easily figure out the approximate php line, which breaks the script. Then rewrite the line in one statement... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/13079513', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/263924/']} | jdg_118812 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11908 |
Below is a question asked on the forum mathematica.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
The @ operator in Mathematica is right-associative by default, i.e. f@g@h evaluates as f@(g@h) Is it possible to make the @ operator evaluate the involved functio... | The problem is that the conversion happens at parsing stage, not evaluation. And after code has been parsed, the details of how function was invoked (prefix, normal way or postfix) are not stored any more, so by the time you evaluate the code, you have no way to tell whether you typed it as f@g@h , f[g[h]] , or h // g ... | {} | {'log_upvote_score': 4, 'links': ['https://mathematica.stackexchange.com/questions/11908', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/68/']} | jdg_105996 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7862316 |
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 write an iOS app that makes asynchronous requests to get data over the network. It seems like a lot of people recommend using NSURLConnection for this, and freq... | Fishing around the header files tells me that the methods were moved from an informal protocol (which is a deprecated Obj-C pattern) into a formal delegate protocol called NSURLConnectionDataDelegate that's in NSURLConnection.h , but doesn't have a public documentation. The rest of the documentation keeps using the met... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/7862316', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/996334/']} | jdg_141961 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8421041 |
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'd like to refactor some old C code of mine, and I was curious if I can replace all ptr++ with ptr += 1 where ptr is some pointer, without changing any behavior. Here's an e... | a += 1 is equivalent to ++a (C99 §6.5.3.1/2). In a line like int b = a++; this means it is not equivalent to a++ ; a++ would return the old value of a , while a += 1 returns the new value. Note that if you don't use the result of a++ (ie, you have a statement containing just a++; ), then they are effectively identical.... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8421041', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/878043/']} | jdg_355097 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 21369131 |
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 see decltype(x) used inside macros where x is a variable name because the type of the object isn't known inside macros. For example: decltype(x) y = expr; I could just have... | You should use it when the required type of y is: different (or potentially different) from the type of expr . If it was the same then auto would be more concise. similarly for auto & or other modifications of the type of expr that auto can express. and one of the following: dependent on something in the surrounding co... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/21369131', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1594090/']} | jdg_373448 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2008494 |
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:
In the following equation, is it possible to solve for numerical value of $x$. $$\frac{x}{\tan\left(\frac{\pi}{2}-\frac{\pi}{x}\right)}=\pi$$
Now provide the response a... | Because $\tan\left(\dfrac{\pi}{2}-\alpha\right)=\operatorname{cotan}(\alpha)=\dfrac{1}{\tan(\alpha)}$, the given equation is equivalent to: $$\tan\left(\dfrac{\pi}{x}\right)=\dfrac{\pi}{x}$$ Setting $a=\dfrac{\pi}{x}$, we have to look for non-zero solutions $a_k \ (k \in \mathbb{Z^*})$ of equation $\tan(a)=a$. There a... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2008494', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/386182/']} | jdg_368049 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1012874 |
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 I delete a record from the Parent table I want the corresponding records in the child table to be deleted. How can I make Hibernate delete from the Child table rather than... | I encountered this error all the time. Just put an inverse="true" on the relationship and your problem will go away! <list name="charityTransferItemList" inverse="true" cascade="all-delete-orphan" lazy="false" > <key column="TSF_NO" /> <list-index column="TSF_SEQ_NO"/> <one-to-many class="CharityTr... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1012874', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/124558/']} | jdg_271004 | PrimeIntellect/stackexchange-question-answering |
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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 implemented this solution for getting an hash value from vector<T> : namespace std{ template<typename T> struct hash<vector<T>> { typedef vector<T> argument... | NOTE: As per the comments , you get a 25-50x speed-up by compiling with optimizations. Do that, first. Then , if it's still too slow, see below. I don't think there's much you can do. You have to touch all the elements, and that combination function is about as fast as it gets. One option may be to parallelize the hash... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/37007307', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4480180/']} | jdg_242714 | PrimeIntellect/stackexchange-question-answering |
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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 asked a question where I couldn't find the rank of a matrix. The question is : Problem on Finding the rank from a Matrix which has a variable At the time I be... | I suppose you can define the reduced column echelon form as the reduced row echelon form of the transpose, but it doesn't see much (if any) usage. The fact of the matter here is that the rank of a matrix is equal to the rank of its transpose. Since elementary row operations do not change rank, neither will elementary c... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/987147', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/154018/']} | jdg_83226 | PrimeIntellect/stackexchange-question-answering |
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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 ThreadPoolExecutor class from the concurrent.futures package def some_func(arg): # does some heavy lifting # outputs some resultsfrom concurrent.futures impo... | Python's ThreadPoolExecutor doesn't have the feature you're looking for, but the provided class can be easily sub-classed as follows to provide it: from concurrent import futuresimport queueclass ThreadPoolExecutorWithQueueSizeLimit(futures.ThreadPoolExecutor): def __init__(self, maxsize=50, *args, **kwargs): ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/48263704', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3385534/']} | jdg_161753 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
While writing shorthand if-else in javascript,getting syntax error. Here is my code: data && data.cod == '404' && return; Although works fine when I use normal if-else lik... | What you're trying to do is a violation of syntax rules. The return keyword can only be used at the beginning of a return statement In data && data.cod == '404' && <something> , the only thing you can place in <something> is an expression, not a statement. You can't put return there. To return conditionally, use a prop... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/28104765', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3758710/']} | jdg_147129 | PrimeIntellect/stackexchange-question-answering |
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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 problems figuring out how to setup the structure where to the fetch data depending on what the props.catergory value is in my PodcastList component and set state I cou... | You have a 1x3x4x2 tensor train_dataset. Your softmax function's dim parameter determines across which dimension to perform Softmax operation. First dimension is your batch dimension, second is depth, third is rows and last one is columns. Please look at picture below (sorry for horrible drawing) to understand how soft... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/52513811', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5471525/']} | jdg_304179 | PrimeIntellect/stackexchange-question-answering |
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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 it possible to make std::string always hold a lower-case string?here's how I would use it: typedef std::basic_string<...> lowercase_string;void myfunc(){ lowercase_string... | You can write your own char traits and pass it to std::basic_string as second template argument. Here is a minimal example: template<typename T>struct lowercase_char_traits : std::char_traits<T>{ static T* copy(T* dest, const T* src, std::size_t count ) { for(size_t i = 0 ; i < count ; ++i) d... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14625416', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/52917/']} | jdg_195277 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
We have a custom setup which has several daemons (web apps + background tasks) running. I am looking at using a service which helps us to monitor those daemons and restart th... | If you want to additionally monitor resources you should settle for monit. In addition to just checking whether a process is running (availability), monit can also perform some checks of resource usage (performance, capacity usage), load levels and even basic security checks (md5sum of a bianry file, config file, etc).... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12156434', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/780799/']} | jdg_249409 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
For some reason, I can't use the Tkinter or tkinter module.After running the following command in the python shell import Tkinter or import tkinter I got this error ModuleNot... | You probably need to install it using something similar to the following: For Ubuntu or other distros with Apt: sudo apt-get install python3-tk For Fedora: sudo dnf install python3-tkinter You can also mention a Python version number like this: sudo apt-get install python3.7-tk sudo dnf install python3-tkinter-3.6.6-1.... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/25905540', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4021630/']} | jdg_203691 | PrimeIntellect/stackexchange-question-answering |
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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:
I want to control another circuit that is completely isolated from the ESP32. I decided to use an optoisolator. Both the ESP32 and the second control board are po... | Look carefully at this highlighted table from the data sheet in your question: - Your MCU rail is 3.3 volts. Do you see the problem? This is the main showstopper. You also need to have \$V_{ENABLE}\$ tied to \$V_{CC}\$ . Secondary showstopper. Please use 10 mA for the anode current (R1 = 220 Ω). | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/627375', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/159693/']} | jdg_96378 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Possible Duplicate: How do I specify the equivalent of volatile in VB.net? What is the VB.NET keyword equivalent of C# "volatile"? If there is no keyword what mechanism is th... | There is no equivelent to C#'s volatile keywword in VB.NET. Volatile in C# just makes sure the compiler handles things differently when generating the IL, but the VB.NET compiler does not have this option. You can work around it this way ( taken from this blog post ): Function VolatileRead(Of T)(ByRef Address As T) As... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1095623', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/-1/']} | jdg_299826 | PrimeIntellect/stackexchange-question-answering |
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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: C#: what is the difference between i++ and ++i? I see this operator (++) very often. I know what it does ultimately, but it seems like there's some rules ... | The statement x++; is exactly equivalent to x = x + 1; except that x is evaluated only once (which makes a difference if it is an expression involving property getters). The difference between the following two: DoSomething(x++); // notice x first, then ++DoSomething(++x); // notice ++ first, then x Is that in the ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3598681', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/330995/']} | jdg_381990 | PrimeIntellect/stackexchange-question-answering |
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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 would like to know if is any method to restart my app programmatically. It's a mac os app and I work with Xcode 6 in swift. The procedure is simple, at a given time I want ... | Yes, you need helper tool. here is the procedure: Create helper "Command Line Tool" target in your Project. For example, named " relaunch " relaunch/main.swift : import AppKit// KVO helperclass Observer: NSObject { let _callback: () -> Void init(callback: () -> Void) { _callback = callback } override... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/27479801', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3771480/']} | jdg_94541 | PrimeIntellect/stackexchange-question-answering |
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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 Windows 8.1 64-bit OS running on 64-bit architecture. I am installing a fresh copy of Oracle 12C, means I haven't installed any version before on my system. During the... | The error is caused due to administrative shares are being disabled. If they cannot be enabled then perform the following workaround: 6.2.23 INS-30131 Error When Installing Oracle Database or Oracle Client If the administrative shares are not enabled when performing a single instance Oracle Database or Oracle Client i... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/21546892', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3226056/']} | jdg_76244 | PrimeIntellect/stackexchange-question-answering |
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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 position a div with buttons at the bottom of a parent div that has a padding. The expected result is having the button resting on top of the padding (green are... | Absolute positioning does not take padding into account. A possible solution would be to add another container inside .mcontainer , that also has position: relative . That way, the inner container would respect the padding, and the absolute positioned element would be at the bottom of the inner container. | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/37461611', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2149582/']} | jdg_118138 | PrimeIntellect/stackexchange-question-answering |
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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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If I pass a dataframe to a function and modify it inside the function, is it pass-by-value or pass-by-reference? I run the following code a = pd.DataFrame({'a':[1,2], 'b':[3,... | The short answer is, Python always does pass-by-value, but every Python variable is actually a pointer to some object, so sometimes it looks like pass-by-reference. In Python every object is either mutable or non-mutable. e.g., lists, dicts, modules and Pandas data frames are mutable, and ints, strings and tuples are n... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/38895768', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/534298/']} | jdg_307082 | PrimeIntellect/stackexchange-question-answering |
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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 Cloud storage system, AWS is highly demanded. Scan process need more faster. So how the scan process works and which one(Scan/Parallel Scan) is better in in which situatio... | 1. How scan works in AWS DynamoDB? Ans: i) Scan operation returns one or more items. ii) By default, Scan operations proceed sequentially. iii) By default, Scan uses eventually consistent reads when accessing the data in a table. iv) If the total number of scanned items exceeds the maximum data set size limit of 1 MB, ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/41268702', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2293534/']} | jdg_79787 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum security.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
The OWASP state that open redirect is a vulnerability : An open redirect is an application that takes a parameter and redirects a user to the parameter value withou... | Abusing an open redirect would be when I would receive a phishing email like this: From: "Example.com Admin" <really.the.admin.of.example.com@hotmail.com>Hello [ENTER TARGET NAME HERE]I am the admin of example.com and we need you to enter your example.com username and password for totally justified reason on https://ex... | {} | {'log_upvote_score': 4, 'links': ['https://security.stackexchange.com/questions/59517', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/2379/']} | jdg_253801 | PrimeIntellect/stackexchange-question-answering |
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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 static set of data, a list of countries, that are used on some components. This data is loaded upon the ngOnInit() of these components but I'd like to load them only... | There are different ways of doing this. First of all you can keep a hasLoaded: boolean property in the state. Then you can check this before you make the service get call. ngOnInit() { this.store.select(getHasLoaded) .take(1) .subscribe(hasLoaded => { if (!hasLoaded) this.store.dispatch(new countries.Load()... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/46705366', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2457444/']} | jdg_81864 | PrimeIntellect/stackexchange-question-answering |
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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 class like this: private static class Num { private int val; public Num(int val) { this.val = val; }} Is it possible to add to objects of the class b... | No, you can't. + is overloaded only for numbers, chars and String , and you are not allowed to define any additional overloadings. There is one special case, when you can concatenate any objects' string representation - if there is a String object in the first two operands, toString() is called on all other objects. He... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/5883886', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/519790/']} | jdg_187657 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
While learning C#, this question came to my mind. What is the difference between void and var ?Here are the two example I would like to share: void * voidInt = (void *) 7;voi... | The other answers here are pretty good but I think they do not get clearly to the fundamentals. It is the fundamentals you are confused about, so let's address those. A variable is a storage location that contains a value . A variable is associated with a type . A local variable has a name . So voidInt , voidChar , voi... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/27728875', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4222487/']} | jdg_212678 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
There is a fact that I should have learned a long time ago, but never did; I was reminded that I did not know the answer by Qiaochu's excellent series of posts, the most recen... | I work with infinite dimensional manifolds so am extremely distrustful of anything that requires some sort of compactness condition. Most of the time, it's just too restrictive. Consider a really nice simple space: the coproduct of a countably infinite number of lines, $\sum_{\mathbb{N}} \mathbb{R}$ (coproduct taken i... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/7095', 'https://mathoverflow.net', 'https://mathoverflow.net/users/78/']} | jdg_341510 | PrimeIntellect/stackexchange-question-answering |
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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 not sure how to proceed. Should I rewrite $|\cos(x)-\cos(y)|=|2\cos\frac{x+y}{2}\cos\frac{x-y}{2}|$ ?
Now provide the response and nothing else.
| By the Mean Value Theorem, there is a $c \in (x,y)$ such that $$\textrm{cos}(x)-\textrm{cos}(y)=(-\textrm{sin}(c))(x-y).$$ So we have that $$|\textrm{cos}(x)-\textrm{cos}(y)|=|(-\textrm{sin}(c))(x-y)| \leq 1 \cdot |x-y|.$$ Thus $f(x)=\textrm{cos}(x)$ is Lipschitz. | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/3135784', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/593628/']} | jdg_108237 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Basically I'm struggling to prove that if you take the indicator function $f$ on $\mathbb{Q}$ intersect $[0,1]$ and $\phi, \psi$ are step functions such that $\phi \leq ... | Any distribution $T$ can be multiplied with a $C^{\infty}$-function $f$ by the formula $$(f T)(\varphi) = T(f\varphi) $$ for a test function $\varphi$. And if $T$ has order $0$ like the $\delta$-distribution, $f$ may be a $C^0$-function. And in this sense, the identity $$ f\delta = f(0) \delta$$ is perfectly true. Appl... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/100476', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/11533/']} | jdg_337191 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
How do you trim white spaces in both the keys and values in a JavaScript Object recursively? I came across one issue in which I was trying to "clean" a user supplied JSON str... | You can clean up the property names and attributes using Object.keys to get an array of the keys, then Array.prototype.reduce to iterate over the keys and create a new object with trimmed keys and values. The function needs to be recursive so that it also trims nested Objects and Arrays. Note that it only deals with pl... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/33510625', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1389951/']} | jdg_107211 | PrimeIntellect/stackexchange-question-answering |
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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:
I assume this question is very common, because I read a lot of answers here, but I still missing somthing.. I have "Electric Imp" module, which have max I/O pin p... | You are correct. With a gain of 40, the 2n2222A is not right for your limited current. There are four solutions. Replace the load with something smaller. Using a smaller relay, which turns on the electric door lock. simulate this circuit – Schematic created using CircuitLab Make a Darlington Pair with two transistors.... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/233205', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/36727/']} | jdg_260906 | PrimeIntellect/stackexchange-question-answering |
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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 setting up a python project, using an Anaconda virtual environment. I'm generating a requirements.txt so other people can easily set up their own virtual environment for ... | I'm setting up a python project, using an Anaconda virtual environment. I was wondering though, when other developers want to contribute to the project, but want to use virtualenv instead of Anaconda, can they do that? Yes - in fact this is how many of my projects are structured. To accomplish what you're looking for, ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/48787250', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5433896/']} | jdg_208639 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
What is the difference?
Now provide the response and nothing else.
| Pretty much what it says on the tin. In the first case, domain 2's SPF record is included in the SPF record for domain1, but can still be modified eg by adding another A host that isn't permitted for domain2.com: "v=spf1 include:domain2.com a:othermailhost.domain1.com -all" In the second case, domain2's SPF record is u... | {} | {'log_upvote_score': 6, 'links': ['https://serverfault.com/questions/219041', 'https://serverfault.com', 'https://serverfault.com/users/58001/']} | jdg_143467 | PrimeIntellect/stackexchange-question-answering |
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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 currently learning about operators and expressions in C# and I understood that if I want to increment the value of a variable by 5, I can do it in two different ways: a =... | However, computer-wise, is a += 5 faster than a = a + 5? Both are same, first( a += 5 ) is equal to second a = a + 5 . You may see: += Operator (C# Reference) An expression using the += assignment operator, such as x += y is equivalent to x = x + y except that x is only evaluated once . The meaning of the + operator ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/19794337', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2948844/']} | jdg_316176 | PrimeIntellect/stackexchange-question-answering |
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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:
The problem that I have to solve is: If the following function is valid for every value of $x$ $$f(3x + 1) = 9x^2 + 3x$$ find the function $f(x)$ and prove that for ever... | Here $$f(3x+1)=3x(3x+1)=((3x+1)-1)(3x+1)$$ $$\implies f(x)=(x-1)x=x^2-x$$ $$\implies f(2x)-4f(x)=4x^2-2x-4x^2+4x=2x$$ In general, just let $3x+1=t$ and express $x$ in terms of $t$ and substitute in $f(t)$ | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/180781', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/37593/']} | jdg_377558 | PrimeIntellect/stackexchange-question-answering |
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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 basically trying to teach myself how to code and I want to follow good practices. There are obvious benefits to unit testing. There is also much zealotry when it comes to... | Essentially what you are testing here is that the methods are getting called, not whether or not they actually work. Which is what mocks are supposed to do. Instead of calling the method, they just check to see if the method got called, and return whatever is in the Return() statement. So in your assertion here: Asse... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/476540', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1880/']} | jdg_85543 | PrimeIntellect/stackexchange-question-answering |
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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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Im trying to post some JSON data on an angular form to my ASP.NET5 MVC6 Controller action. The model binder does not seem to be working. Not sure what I'm missing here. My AS... | Your code was enough in MVC 5 and earlier versions to receive the model in your controller.However in MVC 6 you also need to set the [FromBody] parameter in your controller action: [HttpPost]public IActionResult SubmitTest([FromBody]QTestViewModel model){ return Json("true");} Not sure why this is a requirement in M... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/34080796', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1012015/']} | jdg_138139 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12016725 |
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: Using jQuery to test if an input has focus I need to check if a particular textbox has the focus or not using jQuery. So my code is like this, but it is n... | if ($("#lastname").is(':focus')) { alert("hello");} jQuery docs for :focus jQuery docs for .is() Update: To show/hide an element when the field gains/loses focus use the focusin and focusout events handlers: $(document).ready(function() { $('#lastname').focusin(function() { $(hidden-element).show(); }).... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12016725', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/853575/']} | jdg_336944 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 368213 |
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 am working with a REST API which resides on a server that handles data for a multitude of IoT devices. My task is to query the server using the API to c... | I think a 404 response is the best semantic match here, because the resource you were trying to find (as represented by the URI used for the query) was not found. Returning an error payload in the body is reasonable, but not required. According to RFC 2616 , the definition of the 404 status code is: 10.4.5 404 Not Foun... | {} | {'log_upvote_score': 8, 'links': ['https://softwareengineering.stackexchange.com/questions/368213', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/2117/']} | jdg_103357 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 24370 |
Below is a question asked on the forum biology.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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Circumcision removes the foreskin of the penis which mainly acts as a cover to the penis. Normally removing the foreskin makes more vulnerable to any STD, so how coul... | This is an interesting question, which has not been answered yet. It is also questionable, if this protective effect is present at all. There are around 40 studies on the topic available which have subsequently undergone meta-analysis. In a meta-analysis all data from recent studies which meet certain quality criteria ... | {} | {'log_upvote_score': 4, 'links': ['https://biology.stackexchange.com/questions/24370', 'https://biology.stackexchange.com', 'https://biology.stackexchange.com/users/-1/']} | jdg_77700 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1609423 |
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'd like to use Sed to expand variables inside a file. Suppose I exported a variable VARIABLE=something, and have a "test" file with the following: I'd like to expand this: "... | Consider your trial version: cat test | sed -e "s/\(\${[A-Z]*}\)/`eval "echo '\1'"`/" > outputfile The reason this doesn't work is because it requires prescience on the part of the shell. The sed script is generated before any pattern is matched by sed, so the shell cannot do that job for you. I've done this a couple ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1609423', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/20883/']} | jdg_244595 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20826094 |
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 looking and struggling to the following example: var player1= {name: "Chris", score: 1000, rank: 1};var player2= {name: "Kristofer", score: 100000, rank: 2};function pl... | If the code was written like this, I bet you understand it: var player1 = { name: "Chris", score: 1000, rank: 1, playerDetails: function() { alert('The name is '+ this.name) }};var player2 = { name: "Kristofer", score: 10000, ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/20826094', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3058542/']} | jdg_174189 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4537279 |
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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Suppose $EX^n<\infty$ for any $n$ , does this imply that $M_X(t)=Ee^{tX}<\infty$ for all $t$ in some neighborhood of zero, that is, the moment generating function of $X$... | Let $f(x)=ce^{-\sqrt n}$ for $n <x<n+1$ , $n=1,2,\ldots$ where $c$ is chosen such that $\int _0^{\infty} f(x)dx=1$ . I will let you show that this is a density function of a r.v. which has finite moments of all orders but $\int e^{tx} f(x)dx=\infty$ for every $t >0$ . [It helps to write $tn-\sqrt n=\sqrt n (t\sqrt n -... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/4537279', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/607853/']} | jdg_183264 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1934322 |
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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According to WolframAlpha we should have $$\lim_{k \to \infty} \frac{a^k k!}{k^k} = \infty$$ whenever $a \geq e$. I know how to show that the limit is 0 when $a < e$ and... | Hint You can use Stirling formula: $$n!\sim \sqrt{2\pi n} \frac {n^n}{e^n}.$$ | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1934322', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/294785/']} | jdg_275323 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10874194 |
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 get a "Connection Refused" error when I run the following batch file: #!/usr/bin/php<?php mysql_connect('127.0.0.1', 'root', '*******');?> where * is a working password.... | It's probably not so much a bug as a limitation of the Servlet spec. The details of how a JAX-RS @ApplicationPath is handled is implementation specific, and I can't speak for all implementations, but I'd guess the typical approach is to simply use it as a servlet URL pattern. Taking a look at Jersey's ServletContainerI... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/10874194', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1029114/']} | jdg_205017 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 18634149 |
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 going through the k-means Wikipedia page . Based on the algorithm, I think the complexity is O(n*k*i) ( n = total elements, k = number of cluster iteration) So can some... | It depends on what you call k -means. The problem of finding the global optimum of the k-means objective function is NP-hard, where S i is the cluster i (and there are k clusters), x j is the d -dimensional point in cluster S i and μ i is the centroid (average of the points) of cluster S i . However, running a fixed nu... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/18634149', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1668564/']} | jdg_229851 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 187997 |
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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Has $\frac{z}{\bar{z}}$ complex derivative at $z=0$? I got zero from contour integral when contour is $z=\gamma(t)= e^{it}$, $t=[0,2\pi]$ so it should be analytic on uni... | Have you noticed that$$\lim_{\substack{z \to 0 \\ z \in \mathbb{R}}} \frac{z}{\overline{z}} =1$$and$$\lim_{\substack{z \to 0 \\ z \in i\mathbb{R}}} \frac{z}{\overline{z}} =-1 ?$$The fact that the integral along a single , particular loop is zero has no relevance. There is Morera's theorem, but it deals with a continuou... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/187997', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/-1/']} | jdg_262733 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 366050 |
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 am with a group of five of my friends. A box contains 8 airline tickets each of first class, business class, and economy class. The box is passed around the six of us,... | Use$$ f(x)-f(y) = x - y + \frac{1}{x} - \frac{1}{y} = (x-y) \left(1 - \frac{1}{x y}\right)$$Thus, for $x\not= y$$$ \left| f(x)-f(y) \right| = \left|x-y\right| \left(1 - \frac{1}{x y}\right) < \left|x-y\right|$$since $1 - \frac{1}{x y} < 1$ for all $x>1$ and $y>1$ | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/366050', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/73141/']} | jdg_243614 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2099695 |
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 an array declaration like this: int a[]; Here a is an array of primitive int type. Where is this array stored? Is it stored on heap or stack? This is a primitve type i... | As gurukulki said, it's stored on the heap. However, your post suggested a misunderstanding probably due to some well-intentioned person propagating the myth that "primitives always live on the stack". This is untrue. Local variables have their values on the stack, but not all primitive variables are local... For examp... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/2099695', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/241924/']} | jdg_377098 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10076320 |
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 declare a global variable from within a class like so: class myclass: global myvar = 'something' I need it to be accessed outside the class, but I don't want... | In your question, you specify "outside the main file". If you didn't mean "outside the class", then this will work to define a module-level variable: myvar = 'something'class myclass: pass Then you can do, assuming the class and variable definitions are in a module called mymodule : import mymodulemyinstance = mycl... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10076320', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/894949/']} | jdg_234869 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1355102 |
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:
What can we infer from knowing that two (or more) events are independent or mutually exclusive?
Now provide the response and nothing else.
| Independence of events means that $$P(A \cap B) = P(A)P(B) $$ and mutually disjoint events are such that $A \cap B =\emptyset$. Therefore$$P(A \cap B)= 0$$ EDIT: Note that if $P(A)>0$ and $P(B)>0$ then they can't be independent and mutually exclusive | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1355102', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/103441/']} | jdg_349225 | PrimeIntellect/stackexchange-question-answering |
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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 a nutshell: My implementation of the Wave Collapse Function algorithm in Python 2.7 is flawed but I'm unable to identify where the problem is located. I would need help to... | The hypothesis suggested by @mbrig and @Leon that the propagation step iterates over a whole stack of cells (instead of being limited to a set of 4 direct neighbors) was correct. The following is an attempt to provide further details while answering my own questions. The problem occured at step 7, while propagating. Th... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/57049191', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/8452243/']} | jdg_80042 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12226776 |
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 an array full of strings with each string being a name. Some names may be the same while some may be different. The language I'm working in is objective-C. I want to b... | Use NSCountedSet and then find the object with highest count using countForObject: method. //create count set from arrayNSCountedSet *setOfObjects = [[NSCountedSet alloc] initWithArray:yourArrayhere];//Declaration of objectsNSString *mostOccurringObject = @"";NSUInteger highestCount = 0;//Iterate in set to find highest... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12226776', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1355938/']} | jdg_177013 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7553901 |
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 SQL Server we can use this: DECLARE @variable INT;SELECT @variable= mycolumn from myTable; How can I do the same in Oracle? I'm currently attempting the following: DECLARE... | SELECT INTO DECLARE the_variable NUMBER;BEGIN SELECT my_column INTO the_variable FROM my_table;END; Make sure that the query only returns a single row: By default, a SELECT INTO statement must return only one row. Otherwise, PL/SQL raises the predefined exception TOO_MANY_ROWS and the values of the variables in the... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/7553901', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/960567/']} | jdg_374106 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 59054 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
I just started to read Shimura - Automorphic forms and number theory (Lecture notes in mathematics, 54). On page 20 or so, he mentions that every projective variety which is a... | There are several different ways to see this. Here is one: Let $G$ be our irreducible projective algebraic group variety over the field $k$, with identity element $e$. The group $G$ acts on itself by conjugation, and this action fixes $e$. Thus this inducesa $k$-linear action of $G$ on the local ring $\mathcal O_e... | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/59054', 'https://mathoverflow.net', 'https://mathoverflow.net/users/10400/']} | jdg_278304 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 127841 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
$\DeclareMathOperator\Top{\mathit{Top}}$ I am not sure if its OK to ask this question here. Let $\Top$ be the category of topological spaces. Let $X,Y$ be objects in $\Top$ . ... | Briefly, this works very nicely when $X$ is locally compact, but not otherwise.Then the function space carries the compact-open topology. John Isbell gave a survey of the story and literature in his paper General Function Spaces, Products and Continuous Lattices ,in Math Proc Cam Phil Soc 100 (1986) 193--205. It is an... | {} | {'log_upvote_score': 6, 'links': ['https://mathoverflow.net/questions/127841', 'https://mathoverflow.net', 'https://mathoverflow.net/users/32135/']} | jdg_255156 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 419104 |
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:
Let $\{\mathbf{C}_i~|~i \in I\}$ be a family of categories. What is $\coprod_{i\in I}\mathbf{C}_i$ ? Google and my regular sources have failed me. I might be able to ant... | Intuitions: Paste the "diagrams" representing the categories side-by-side; A book with $I$ pages: page $i$ contains $\mathbf C_i$, the book is $\coprod_{i\in I} \mathbf C_i$. Formally: Objects: $\coprod_{i \in I}\operatorname{ob} \mathbf C_i$; Morphisms: $f: (i, C) \to (i,D)$ for $f: C \to D$ a morphism of $\mathbf C_i... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/419104', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/81502/']} | jdg_253605 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 533207 |
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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As stars age, the concentration of hydrogen in the core decreases, which lowers the power output, causing an imbalance between outward radiation pressure and inward g... | Why does the luminosity increase? As core hydrogen burning proceeds, the number of mass units per particle in the core increases. i.e. 4 protons plus 4 electrons become 1 helium nucleus plus 2 electrons.But pressure depends on both temperature and the number density of particles. If the number of mass units per particl... | {} | {'log_upvote_score': 5, 'links': ['https://physics.stackexchange.com/questions/533207', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/222367/']} | jdg_205987 | PrimeIntellect/stackexchange-question-answering |
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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 is any reason to make the permissions on an overridden C++ virtual function different from the base class? Is there any danger in doing so? For example: class base ... | The problem is that the Base class methods are its way of declaring its interface. It is, in essence saying, "These are the things you can do to objects of this class." When in a Derived class you make something the Base had declared as public private, you are taking something away. Now, even though a Derived object "... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/484592', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/57590/']} | jdg_229911 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 610054 |
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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Most statements regarding Riemann integrals (at least the ones that I have encountered) begin with the statement "for $f(x)$ bounded on $[a,b]$." I am wondering if Riema... | Recall that a function is supposed to be (properly) Riemann integrable if for all $\epsilon>0$ there exists a partition such that $U-L<\epsilon$. Suppose $f$ becomes unbounded (say, unbounded above) near the point $x_0$. How are we to make sense of the upper sum $U$ when one of the intervals in the partition (the one c... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/610054', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/97554/']} | jdg_76722 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 125275 |
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:
In dynamic languages, such as JavaScript or Python, the type of a variable is determined at runtime. This is one reason why they are slower than typed lan... | There's confusion in the question. There's an assumption that type checking is slow, which isn't necessarily the case. The question also seems to confuse the process of type dispatch with type checking , and they are two different things. One is a process that's done at run time, the other a process at compilation tim... | {} | {'log_upvote_score': 4, 'links': ['https://softwareengineering.stackexchange.com/questions/125275', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/-1/']} | jdg_213884 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3316991 |
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:
It is easy to prove that $\sin(a) < \tan(a)$ when $0 < a < \pi/2$ , but how can I prove that $\sin(a) < a < \tan(a)$ when $0 < a < \pi/2?$
Now provide the response and ... | For $0 \le a \lt \frac{\pi}{2}$ , define $$f(a) = a - \sin(a) \tag{1}\label{eq1}$$ $$g(a) = \tan(a) - a \tag{2}\label{eq2}$$ From \eqref{eq1}, note $f(0) = 0$ . For $a \gt 0$ , $f'(a) = 1 - \cos(a) \gt 0$ so $f(a) \gt 0$ , giving $$\sin(a) \lt a \tag{3}\label{eq3}$$ From \eqref{eq2}, $g(0) = 0$ . For $a \gt 0$ , $g'(a)... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3316991', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/634546/']} | jdg_379501 | PrimeIntellect/stackexchange-question-answering |
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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 to send data (json object) to another webserver (java). This is my node.js code var express = require('express');var app = express();app.get('/', function (req, res) {... | You are repeating req, and res variables for the post request. I have updated your code and tested it working with requestb.in var express = require('express');var querystring = require('querystring');var http = require('http');var app = express();app.get('/', function (req, res) { var data = querystring.stringify({ ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/20526757', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2039264/']} | jdg_81547 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 619133 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
Background I know the difference between su - , sudo su - , and sudo <command> : su - - switches user to root, requires the root password sudo su - - switches user to root, req... | Let's look your cases: su - will run a /bin/sh as the root user using the root environment. The root password is needed and logging MAY be logged depending on syslog settings (usually is by default to /var/log/auth.log). sudo /bin/sh will run shell as the root user using the current set of environment variables (with... | {} | {'log_upvote_score': 5, 'links': ['https://serverfault.com/questions/619133', 'https://serverfault.com', 'https://serverfault.com/users/197458/']} | jdg_229677 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 154713 |
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:
How many 4 digit numbers are there which contain not more than two different digits? As usual, I will highlight my attempt: I can have 9 numbers using only 1 digit, e.g.... | André has come up with a nice and simple alternative solution, but I'm going to try to salvage your method, which is essentially correct. This step does indeed give you 9 numbers. There are 9, not 8, numbers between 1 and 9, so you want to use $9 \choose 2$ not $8 \choose 2$. Indeed, $${9 \choose 2} \times \left(\frac{... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/154713', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/32644/']} | jdg_345958 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2906826 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Is the statement true or false? $$(\forall x \in \mathbb{Z})(\exists y \in \mathbb{Z}) (2x + y = 3 \to x + 2y = 3)$$ The answer is that the entire statement is true, but... | No matter which $x$ you come with, I can choose an $y$ that makes both sides of the $\to$ false , and therefore makes the entire $\to$ true . The meaning of formulas of the form $\exists x(\cdots \to \cdots)$ is not very intuitive; the $\to$ connective is really designed to live under a $\forall$ instead. In my experie... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2906826', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/590379/']} | jdg_169233 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 16657159 |
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 I base my CSS on mobile styling, then use @media queries for gradually larger displays (tablets, desktops etc), will the mobile devices use the desktop styles? I believe t... | Behaviour is browser depended but iOS Safari and Android Chrome will respect the media queries and only download the background images for the applicable media queries. If you want to inspect this behaviour, try loading the page with Mobitest ( http://mobitest.akamai.com/ ) or a tethered device. If you use separate CSS... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/16657159', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2333556/']} | jdg_105561 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 22780027 |
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 align tabs on bottom of screen I tried to do this with relative layout using alignParentBottom 'true' but didn't get success. Can any one guide me? <android.support... | Sample_image is larger in size than is required by tab. Try this piece of code as this will resize the required image and return an UIImage instance with 30x30 size (size required for UITabbar ). UIImage *image = [UIImage imageNamed:@"Sample_Image.png"];self.tabBarItem.image = [self imageWithImage:image scaledToSize:CG... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/22780027', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3484050/']} | jdg_92751 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 606842 |
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:
I have seen in some schematics of matrix keypads the use of serial resistors.I understand that this is to limit the current, but why? Here is an example, where yo... | The keyboard you show is typically connected as: RC.[7:4] to logic inputs RC.[3:0] to logic outputs, all lines LOW except one HIGH to select a ROW If multiple column keys are pressed, then RC.[3:0] pins can be shorted together, straining the logic outputs. The 470R resistors would limit this current. It could possibly ... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/606842', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/-1/']} | jdg_190673 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 105829 |
Below is a question asked on the forum mathematica.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I know Mathematica has a built in Tube function, but I want to be able to change the parameters of a ribbon and visualize that. Is this possible? How do I do this... | I don't think there is a special ribbon function. But you can plot one pretty easily. Here's an example. The functions x[u] and y[u] define a curve in space and then z[s] gives it width. x[u_] := Sin[u] u^2y[u_] := 2 Cos[u] + u^2z[s_] := sParametricPlot3D[{x[u], y[u], z[s]}, {u, 0, 6}, {s, -2, 2}, Boxed -> False, Axe... | {} | {'log_upvote_score': 4, 'links': ['https://mathematica.stackexchange.com/questions/105829', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/37531/']} | jdg_354115 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 47859273 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
So I want to add padding in the bootsector. Let's say, there is currently just an endless loop in there: jmp . . The sector needs to be 512 bytes long. Also, the magic num 0x... | With AT&T syntax you can put a label at the start of your bootloader and then use something like this: .global _start.text.code16_start: jmp ..space 510-(.-_start).word 0xaa55 Period . is the current location counter relative to the beginning of the current section. The difference between period . and _start is an a... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/47859273', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/6490150/']} | jdg_82619 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 62289899 |
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 using CoinMarketCap API to fetch coin's data from server ,so i have a problem !Android studio give me this message: type 'int' is not a subtype of type 'double' My probl... | Try to print the JSON which is sent by the server and check if all the parameters are having the expected format. For e.g. if a particular parameter has int value and you are expecting it as double then change it to double. You can change the code of initialization of double parameter as following data['price'] = this.... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/62289899', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/10669265/']} | jdg_70436 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 42127403 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
How do I set up my AppDelegate to handle push notifications that occur when the app is in the foreground and in the background with swift 3 and ios 10? Including how to make ... | Here is how I set up my AppDelegate file to do this: To handle push notifications, import the following framework: import UserNotifications To make the phone vibrate on any device import the following framework: import AudioToolbox Make your AppDelegate a UNUserNotificationCenterDelegate: @UIApplicationMainclass AppDel... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/42127403', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3558123/']} | jdg_187028 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2352197 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
My software handles multiple operations on files, and I have now finished writing the related functions, using the System.IO classes. I now need to add support for network dr... | You can use the UNC path (which starts with \\ ) directly in your paths. However, you must account for the credentials for this connection, which can be the tricky part. There are several approaches: If the remote system is on the same domain or there is a trust relationship between the domains, and the user your progr... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2352197', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/695591/']} | jdg_208474 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 14512107 |
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 an algorithm for calculating the nth Fibonacci number, in Python it's expressed as: def fib(n): if n == 0: return 1 if n == 1: return 1 else: ... | You said that you ran the Haskell code in GHCI, which means that you ran it without optimizations. That means that no strictness analysis was done, so the whole thing was evaluated lazily, creating a lot of unnecessary thunks. That would explain why it was slower. Also as delnan pointed out in a comment, ghci is much s... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14512107', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/592235/']} | jdg_188223 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 24675271 |
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 how to obtain last saved row in database while using peewee with all its attributes?Let's say I do this: user = User.create( email = request.json['email'], ... | User.select().order_by(User.id.desc()).get() This will get the last-created user assuming the IDs is an auto-incrementing integer (the default). Or if you want to get e.g. last created customer (user), you can write it like this: User.select().where(User.type == "customer").order_by(User.id.desc()).get() If you want to... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/24675271', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1092167/']} | jdg_207946 | PrimeIntellect/stackexchange-question-answering |
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