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value | metadata stringlengths 138 225 | problem_id stringlengths 9 10 |
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stackexchange | llm_judgeable_groundtruth_similarity | 1287007 |
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 have a question which states: $R = \{ (t,t), (t,v), (t,z), (u,t), (u,u), (u,v), (u,x), (u,z), (v,v), (w,w), (w,z), (x,t), (x,v), (x,w), (x,x), (x,y), (x,z), (y,w), (y,... | Since $R$ is small, you can actually consider all possibilities for $a,b$, and $c$. However, this is easier if you have a systematic arrangement of the ordered pairs. One way is to represent them by a matrix: $$\begin{array}{c|ccc}&t&u&v&w&x&y&z\\ \hlinet&1&&1&&&&1\\u&1&1&1&&1&&1\\v&&&1\\w&&&&1&&&1\\x&1&&1&1&1&1&1\\y&&... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1287007', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/241242/']} | jdg_69941 |
stackexchange | llm_judgeable_groundtruth_similarity | 164225 |
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:
# Automatically generated file; DO NOT EDIT Is at the header of the kernel configuration file: /usr/src/linux/.config My question is why shouldn't you edit this file? If... | It's considered unsafe to edit .config because there are CONFIG -options which have dependencies on other options (needing some to be set, requiring others to be turned off, etc.). Other options aren't meant to be set by the user at all, but are set automatically by make config (resp. Kconfig to be correct) depending ... | {} | {'log_upvote_score': 5, 'links': ['https://unix.stackexchange.com/questions/164225', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/68646/']} | jdg_69942 |
stackexchange | llm_judgeable_groundtruth_similarity | 3417685 |
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 have the following game: you flip a coin (heads with probability $p$ ), and if you get heads you earn $1000$ dollars, and you can decide if you want to flip again. If ... | You have to calculate the expected value of continuing. Suppose you have $x$ dollars in earnings, if you continue you can expect to earn $1000$ dollars at chance $p$ and lose $x$ dollars at chance $(1-p)$ , so your expected earnings are $1000p-(1-p)x$ . If this is value is positive carry on, if it is not quit. In this ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3417685', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/452865/']} | jdg_69943 |
stackexchange | llm_judgeable_groundtruth_similarity | 327716 |
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:
Not sure how to approach this, other than to say the following: Let $|A|$=n, and let $|B|=m$. $$|A\times B|=n\cdot m$$ $$|B\times A|=m\cdot n$$ By the laws of commuta... | If the sets are arbitrary then you can't assume they are finite. You need to work here with the definition of cardinality. To show that $|A\times B|=|B\times A|$ you must prove there exists a bijection $f:A\times B\to B\times A$. There is a very natural choice for such a function, when you think about what these sets a... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/327716', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/39748/']} | jdg_69944 |
stackexchange | llm_judgeable_groundtruth_similarity | 124811 |
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:
Does the command line have a way to get a recommended list of programs used to open a particular file, based on the file type? For example, a .pdf file would have an ope... | There isn't a command that I've ever seen that will act as "open with..." but you can use the command xdg-open <file> to open a given <file> in the application that's associated with that particular type of file. Examples Opening a text file: $ xdg-open tstfile.txt$ Resulting in the file tstfile.txt being opened in ged... | {} | {'log_upvote_score': 6, 'links': ['https://unix.stackexchange.com/questions/124811', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/59802/']} | jdg_69945 |
stackexchange | llm_judgeable_groundtruth_similarity | 226567 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I have a directory, that I cannot delete with rmdir . I get always a permission denied error. But when list the directory (with ls -l ) I get this: drwxrwxrwx 2 user us... | If you are trying to delete a directory foo/bar/ , the permissions of bar isn't the relevant factor. Removing the name bar from directory foo is a modification of foo . So you need write permissions on foo . In your case, check the current directory's permissions with ls -ld . You might find this answer to "why is rm... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/226567', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/116283/']} | jdg_69946 |
stackexchange | llm_judgeable_groundtruth_similarity | 22179119 |
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 some data I have sampled from a radar satellite image and wanted to perform some statistical tests on. Before this I wanted to conduct a normality test so I could be s... | This question explains why you're getting such a small p-value. Essentially, normality tests almost always reject the null on very large sample sizes (in yours, for example, you can see just some skew in the left side, which at your enormous sample size is way more than enough). What would be much more practically usef... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/22179119', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2868191/']} | jdg_69947 |
stackexchange | llm_judgeable_groundtruth_similarity | 588143 |
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:
Is it possible to rearrange awk's output? If yes, what is the right way to do it? wolf@Linux:~$ ip a s | awk '/^[0-9]/ {print $2} /inet / {print $2}'lo:127.0.0.1/8enp0s3... | It boils down to the amount of work being done. Your tail | tr command ends up doing the following: in tail : read until a newline; output everything remaining, without caring about newlines; in tr , read, without caring about newlines, and output everything apart from ‘"’ (a fixed character). Your sed command ends up ... | {} | {'log_upvote_score': 5, 'links': ['https://unix.stackexchange.com/questions/588143', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/409008/']} | jdg_69948 |
stackexchange | llm_judgeable_groundtruth_similarity | 210829 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
What is an NP-complete problem? Why is it such an important topic in computer science?
Now provide the response and nothing else.
| NP stands for Non-deterministic Polynomial time. This means that the problem can be solved in Polynomial time using a Non-deterministic Turing machine (like a regular Turing machine but also including a non-deterministic "choice" function). Basically, a solution has to be testable in poly time. If that's the case, and ... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/210829', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/15055/']} | jdg_69949 |
stackexchange | llm_judgeable_groundtruth_similarity | 14103082 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Got another simple question here that is eluding me. I have 2 classes: namespace Assets{ public class BaseAsset { // Code here }} And namespace Assets{ public c... | This is a very frequently asked question. The name of the feature that you want is generic covariance ; that is, the feature that says "if a giraffe is a kind of animal then a list of giraffes is a kind of list of animals." The problem is that a list of giraffes is not a kind of list of animals. You can put a tiger int... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14103082', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1303170/']} | jdg_69950 |
stackexchange | llm_judgeable_groundtruth_similarity | 5074179 |
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 can define a variable (by var ) that is immutable: var x = scala.collection.immutable.Set("aaaaaa","bbbbbb")println(x.isInstanceOf[scala.collection.immutable.Set[String]])x... | The compiler looks for x.+= ... , and if it can't find it, then it tries to transform the statement into x = x + ... (which only succeeds if x is a var , or x desugars into a call to some update method). Since immutable.Set implements a + operator, and x is a var , this succeeds. | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5074179', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/582855/']} | jdg_69951 |
stackexchange | llm_judgeable_groundtruth_similarity | 1192180 |
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 know this isn't strictly a programming question, but it is related to git. I accidentally have created a branch in git called --track (I got the order of options wrong when... | Did you try git branch -D -- --track ? the " -- " is usually the convention for "what follows is not an option, whatever its name" From " The Art of Unix Programming ", section " Command-Line Options ": It is also conventional to recognize a double hyphen as a signal to stop option interpretation and treat all followin... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/1192180', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/92650/']} | jdg_69952 |
stackexchange | llm_judgeable_groundtruth_similarity | 4200 |
Below is a question asked on the forum hermeneutics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
In the King James Version of Rev. 5:10 , we find the following phrase, And hast made us unto our God kings and priests: and we shall reign on the earth. If we ex... | According to the NET Translator's notes, The vast majority of witnesses have αὐτούς ( autous , “them”) here, while the Textus Receptus reads ἡμᾶς ( Jhmas , “us”) with insignificant support (pc gig vg cl sa Prim Bea). There is no question that the original text read αὐτούς here.... The textual problem here between th... | {} | {'log_upvote_score': 4, 'links': ['https://hermeneutics.stackexchange.com/questions/4200', 'https://hermeneutics.stackexchange.com', 'https://hermeneutics.stackexchange.com/users/-1/']} | jdg_69953 |
stackexchange | llm_judgeable_groundtruth_similarity | 7185288 |
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 get the first paragraph of a Wikipedia article. What is the API query to do so?
Now provide the response and nothing else.
| See this section in the MediaWiki API documentation , specifically involving getting the contents of the page . use the sandbox to test the API call. These are the key parameters. prop=revisions&rvprop=content&rvsection=0 rvsection = 0 specifies to only return the lead section. See this example. http://en.wikipedia.org... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/7185288', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/333729/']} | jdg_69954 |
stackexchange | llm_judgeable_groundtruth_similarity | 8880461 |
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 run the following bash command in Python 3: ls -l I know that I can do the following: from subprocess import callcall(['ls', '-l']) How do I save this output to a f... | With >= python3.5 you can use subprocess.run : ls_lines = subprocess.run(['ls', '-l'], stdout=PIPE).stdout.splitlines() With >= python2.7 or >= python3.0 you can use subprocess.check_output : ls_lines = subprocess.check_output(['ls', '-l']).splitlines() Prior to python2.7, you need to use the lower level api, which is ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8880461', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/969617/']} | jdg_69955 |
stackexchange | llm_judgeable_groundtruth_similarity | 89600 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
For a given real number $x$, let $R_x$ be the set of real numbers $r$ such that the inequality $$\displaystyle \left| x - \frac{p}{q} \right| < \frac{1}{q^r}$$has at most fin... | If the elements $a_n$ of the simple continued fraction of the irrational number $x$ satisfy $a_n < c n + d$ for some positive constants $c$ and $d$, then $\mu(x) = 2$. Besides $e^{2/k}$ for positive integers $k$, interesting examples of such numbers include $\tanh(1/k)$, $\tan(1/k)$, and $I_0(1)/I_1(1)$ where $I_0$ an... | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/89600', 'https://mathoverflow.net', 'https://mathoverflow.net/users/10898/']} | jdg_69956 |
stackexchange | llm_judgeable_groundtruth_similarity | 37346 |
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 create a class like so: // B.h#ifndef _B_H_#define _B_H_class B{private: int x; int y;};#endif // _B_H_ and use it like this: // main.cpp#include <iostream>#includ... | The compiler needs to know how big "B" is before it can generate the appropriate layout information. If instead, you said std::vector<B*> , then the compiler wouldn't need to know how big B is because it knows how big a pointer is. | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/37346', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/61/']} | jdg_69957 |
stackexchange | llm_judgeable_groundtruth_similarity | 31123190 |
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 simple angular service that returns a $resource . Lets say it looks like this: $resource '/users/:id/:options.json', {id: '@id', options: '@options'}, cre... | The Java compiler doesn't see what you and I see -- that either status gets set to "OK" or it gets set to "BAD" . It assumes that status can be set and an exception is thrown, in which case it gets assigned twice, and the compiler generates an error. To workaround this, assign a temporary variable for the try - catch ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/31123190', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3209693/']} | jdg_69958 |
stackexchange | llm_judgeable_groundtruth_similarity | 1330759 |
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 trying to derive the LU decomposition time complexity for an $n \times n$ matrix. Eliminating the first column will require $n$ additions and $n$ multiplications fo... | An easy transformation ($j = n-i+1$) easily shows that\begin{align}\sum_{i=1}^n 2(n-i) (n-i+1) &= 2 \sum_{j=0}^{n-1}j(j+1)\\ &= 2 \sum_{j=0}^{n-1}(j^2+j)\\ &= 2 \left(\frac{1}{3} n^{3} - \frac{1}{3} n\right)\end{align} Then, since we are interested only in the asymp... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1330759', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/212039/']} | jdg_69959 |
stackexchange | llm_judgeable_groundtruth_similarity | 7070082 |
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 curious about the get(long, java.util.concurrent.TimeUnit) function in AsyncTask, but I'm having a hard time locating an example of it's usage. get(long, java.util.concur... | It appears as though AsyncTask.get() blocks the caller thread, where AsyncTask.execute() does not. You might want to use AsyncTask.get() for test cases where you want to test a particular Web Service call, but you do not need it to be asynchronous and you would like to control how long it takes to complete. Or any time... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/7070082', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/194753/']} | jdg_69960 |
stackexchange | llm_judgeable_groundtruth_similarity | 56773329 |
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 achieve a following layout using Swift UI… struct ContentView : View { var body: some View { List(1...5) { index in HStack { ... | I think this is what you're looking for: List(1..<6) { index in HStack { HStack { Text("Item number \(index)") Spacer() } .padding([.leading, .top, .bottom]) ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/56773329', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/123632/']} | jdg_69961 |
stackexchange | llm_judgeable_groundtruth_similarity | 25956178 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Suppose I have some count data that looks like this: library(tidyr)library(dplyr)X.raw <- data.frame( x = as.factor(c("A", "A", "A", "B", "B", "B")), y = as.factor(c("i", "... | Since dplyr 0.8 you can do it by setting the parameter .drop = FALSE in group_by : X.tidy <- X.raw %>% group_by(x, y, .drop = FALSE) %>% summarise(count=sum(z))X.tidy# # A tibble: 4 x 3# # Groups: x [2]# x y count# <fct> <fct> <int># 1 A i 1# 2 A ii 5# 3 B i 15# 4 B i... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/25956178', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/943612/']} | jdg_69962 |
stackexchange | llm_judgeable_groundtruth_similarity | 10200751 |
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 get ActionBarSherlock and the ViewPagerIndicator libraries set up for my projects, but I seem to be running into a few issues. I sent Jake Wharton (The develope... | Where to store the actual library project does not matter, as long as you use a relative link to reference it. Check out the Library Projects - Development considerations : Library project storage location There are no specific requirements on where you should store a library project, relative to a dependent applicatio... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/10200751', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1125714/']} | jdg_69963 |
stackexchange | llm_judgeable_groundtruth_similarity | 7747587 |
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 sonar to measure code quality. One thing that I do not know is the steps to measure code coverage using Cobertura. I followed the steps from http://cobertura.sourc... | You configure the Sonar task to upload unit test and cobertura reports generated by other parts of your build logic. This is in contrast to Maven which has a standard build life-cycle that Sonar is able to leverage. Unit test and code coverage The following logic runs the unit tests with cobertura instrumented classes.... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/7747587', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/423594/']} | jdg_69964 |
stackexchange | llm_judgeable_groundtruth_similarity | 733983 |
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 requirement for sigma-algebra is that. It contains the empty set. If A is in the sigma-algebra, then the complement of A is there. 3. It is closed under countable un... | Note that if $A_n$ is any family of sets, then$$ \bigcup_{n\in\mathbb N}A_n = \bigcup_{n\in\mathbb N}\bigl(A_n\setminus\bigcup_{k=0}^{n-1} A_k\bigr)$$where the summands on the right-hand side are disjoint, and each of them is constructed from finitely many of the $A_i$s by a sequence of complements and finite unions. S... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/733983', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/119615/']} | jdg_69965 |
stackexchange | llm_judgeable_groundtruth_similarity | 9421938 |
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 wrote the following piece of code and I believed it would crash if I tried to access the members of a struct for which I didn't even allocate memory. But I was quite supris... | C++ did not automatically allocate memory; the pointer holds an arbitrary value which just happened to be a valid address in your program's memory space so you didn't get a segfault. Your program exhibits undefined behavior and it might not work the next time you run it. Undefined behavior does not guarantee a crash, t... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9421938', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1124684/']} | jdg_69966 |
stackexchange | llm_judgeable_groundtruth_similarity | 1049210 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I need to change the primary key of a table to an identity column, and there's already a number of rows in table. I've got a script to clean up the IDs to ensure they're sequ... | You can't alter the existing columns for identity. You have 2 options, Create a new table with identity & drop the existing table Create a new column with identity & drop the existing column Approach 1. ( New table ) Here you can retain the existing data values on the newly created identity column. Note that you will l... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/1049210', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/15691/']} | jdg_69967 |
stackexchange | llm_judgeable_groundtruth_similarity | 6028128 |
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 rotate text in css to get following output: hi, Edit: Thanks for quick suggestion. I have added my sample code in jsfidle: http://jsfiddle.net/koolkabin/yawYM/ HTML:... | You need to use the CSS3 transform property rotate - see here for which browsers support it and the prefix you need to use. One example for webkit browsers is -webkit-transform: rotate(-90deg); Edit: The question was changed substantially so I have added a demo that works in Chrome/Safari (as I only included the -webki... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/6028128', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/178301/']} | jdg_69968 |
stackexchange | llm_judgeable_groundtruth_similarity | 43263 |
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 is the general reason for functions which can only be defined implicitly? Is this because they are multivalued (in which case they aren't strictly functions at all)... | Not necessarily. Consider the graph $G$ in ${\mathbb R}^2$ of the points $(x,y)$ such that $$ y^5+16y-32x^3+32x=0. $$ This example comes from the nice book " The implicit function theorem " by Krantz and Parks. Note that this is the graph of a function: Fix $x$ , and let $F(y)=y^5+16y-32x^3+32x$ . Then $F'(y)=5y^4+16>0... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/43263', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/11752/']} | jdg_69969 |
stackexchange | llm_judgeable_groundtruth_similarity | 57798033 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
ValueError Traceback (most recent call last)<ipython-input-30-33821ccddf5f> in <module> 23 output = model(data) 24 # ca... | target = target.unsqueeze(1) , before passing target to criterion, changed the target tensor size from [16] to [16,1] . Doing it solved the issue. Furthermore, I also needed to do target = target.float() before passing it to criterion, because our outputs are in float. Besides, there was another error in the code. I wa... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/57798033', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/10240085/']} | jdg_69970 |
stackexchange | llm_judgeable_groundtruth_similarity | 216404 |
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 have data of the following form data={{6, 23.3}, {6.1, 19.8}, {6.2, 25.1}, {6.3, 25.5}, {6.4, 24.5}, {6.5, 28.1}, {6.6, 24.9}, {6.7, 26.3}, {6.8, 27.3}, {6.9,... | data = {{6, 23.3}, {6.1, 19.8}, {6.2, 25.1}, {6.3, 25.5}, {6.4, 24.5}, {6.5, 28.1}, {6.6, 24.9}, {6.7, 26.3}, {6.8, 27.3}, {6.9, 27.7}, {7, 33.9}, {7.1, 26.6}, {7.2, 31.3}, {7.3, 26.8}, {7.4, 31.5}, {7.5, 30.2}, {7.6, 29.8}, {7.7, 25.5}, {7.8, 31.5}, {7.9, 28.9}, {8, 28.1}};Pick[data, PeakDetect[data[[All, 2]]], 1... | {} | {'log_upvote_score': 4, 'links': ['https://mathematica.stackexchange.com/questions/216404', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/68675/']} | jdg_69971 |
stackexchange | llm_judgeable_groundtruth_similarity | 48920135 |
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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class App extends Component { constructor(props) { ... } onChange = (e) => this.setState({term: e.target.value}) onSubmit(e){ e.preventDefault(); const api_key =... | It's important to know that this syntax: class A { method = () => {}} is just syntactic sugar for creating an instance method in the class constructor: class A { constructor() { this.method = () => {} }} Note: This syntax is not an official part of the JavaScript language yet ( currently in stage 3 ) so you must ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/48920135', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/7439761/']} | jdg_69972 |
stackexchange | llm_judgeable_groundtruth_similarity | 43095 |
Below is a question asked on the forum mathematica.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I'm applying the Trott-Strzebonski technique in order to replace inside a held expression . x = Hold[1 + 1, 2 + 2, 3 + 3];y = Hold[foo@bar[2]];y /. bar[j_] :> Wit... | One way to achieve this is to use a "vanishing" wrapper. The idea is to temporarily wrap the substituted expression with a holding symbolic head, and then remove that head in a second replacement: Module[{h}, SetAttributes[h, HoldAll]; y /. bar[j_] :> RuleCondition[Extract[x, {j}, h]] /. h[x_] :> x](* Hold[foo[2+2]] *... | {} | {'log_upvote_score': 5, 'links': ['https://mathematica.stackexchange.com/questions/43095', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/6944/']} | jdg_69973 |
stackexchange | llm_judgeable_groundtruth_similarity | 4774420 |
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 wondering what use an rvalue reference member has class A { // ... // Is this one useful? Foo &&f;}; Does it have any benefits or drawbacks compared to an lvalue ref... | I've seen one very motivating use case for rvalue reference data members, and it is in the C++0x draft: template<class... Types>tuple<Types&&...>forward_as_tuple(Types&&... t) noexcept; Effects: Constructs a tuple of references to the arguments in t suitable for forwarding as arguments to a function. Because the res... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4774420', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/34509/']} | jdg_69974 |
stackexchange | llm_judgeable_groundtruth_similarity | 33609406 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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My question is basically when to choose QVector and when to choose QList as your Qt container. What I already know: Qt docs: QList class For most purposes, QList is the right... | Qt advertises QList as the "jack of all trades", but the other half of that saying is "master of none". I'd say QList is a good candidate if you plan on appending to both ends of the list, and those are no larger than than a pointer, as QList reserves space before and after. That's about it, I mean as far as good reaso... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/33609406', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/462639/']} | jdg_69975 |
stackexchange | llm_judgeable_groundtruth_similarity | 435643 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I find myself slightly frustrated when I'm reading a NASA page and they claim they have “nailed down the curvature of space to within 0.4% of "flat" Euclidean” 0.4% ... | The statement is not meaningless. The curvature parameter, $\Omega_k$ , used in cosmology is a dimensionless parameter. So the statement that it is flat to within 0.4% means that the parameter has been measured to be between -0.004 and +0.004. It is a dimensionless number so the number has meaning on its own and does n... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/435643', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/100917/']} | jdg_69976 |
stackexchange | llm_judgeable_groundtruth_similarity | 30095689 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I've seen some answers before but nothing really helped me out. I also have a class DecideModel (This will be a dataset retrieved from DB, but for purpose of this question, I... | What you probably need is a ValueConverter . What you are doing now is setting the background color to 'Maybe', 'No' or 'Yes', which clearly isn't a color. What you need to do is convert that value to a color. You can do it like this. Create a new class that implements the IValueConverter interface. It will probably lo... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/30095689', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1570456/']} | jdg_69977 |
stackexchange | llm_judgeable_groundtruth_similarity | 6345769 |
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 rule of thumb as to when one should use path parameters for a URL versus when you should use query parameters? Say I've got a table Invoice with the fields company... | My personal rule of thumb that the PathParam leads upto the entity type that you are requesting. /Invoices // all invoices/Invoices?after=2011 // a filter on all invoices/Invoices/52 // by 52/Invoices/52/Items // all items on invoice 52/Invoices/52/Items/1 // Item 1 from invoice 52/Companies/{... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/6345769', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/709399/']} | jdg_69978 |
stackexchange | llm_judgeable_groundtruth_similarity | 65016590 |
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 trying to create a textbox with an autocomplete feature that pulls suggestions from an API but having trouble updating the state after I receive the array from the API. ... | I know I am a little late, but since you don't seem to have accepted any of the other answers I'd figure I'd give it a shot too, maybe this is the one that helps you. Shouldn't it be when useRef.current changes, the stuff in useEffect gets run? Short answer, no . The only things that cause a re-render in React are the ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/65016590', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/14710929/']} | jdg_69979 |
stackexchange | llm_judgeable_groundtruth_similarity | 2891803 |
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'm trying to understand some Functional Analysis concepts from Geometrical point of view. So I know that Metric ($d(a,b)$) is the distance between elements, Norm ($||a|... | If $A:X\to Y$ is a linear bounded operator between the normed spaces $X,Y$, then the norm of $A$ is, loosely speaking, the factor by which the unit ball of $X$ gets inflated or deflated. More precisely, it is the smallest number $\alpha>0$ by which you need to dilate the unit ball of $Y$, so that $\alpha B_Y$ will cont... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2891803', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/586399/']} | jdg_69980 |
stackexchange | llm_judgeable_groundtruth_similarity | 959670 |
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 tabbed html form. Upon navigating from one tab to the other, the current tab's data is persisted (on the DB) even if there is no change to the data. I would like to ... | In pure javascript, this would not be an easy task, but jQuery makes it very easy to do: $("#myform :input").change(function() { $("#myform").data("changed",true);}); Then before saving, you can check if it was changed: if ($("#myform").data("changed")) { // submit the form} In the example above, the form has an id... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/959670', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/33436/']} | jdg_69981 |
stackexchange | llm_judgeable_groundtruth_similarity | 41725737 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm using the Minimum Edit Distance algorithm to determine how closely two strings are related. I've implemented it to run on the CPU and it works great when you have hundred... | What you want to do is possible, at least for certain problem sizes, but it's not particularly straightforward. What you'll need to do is express the algorithm in a way that can be run on the GPU, and on iOS, that probably means using Metal. Specifically, you'll need to write one or more compute kernels in the Metal sh... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/41725737', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3259732/']} | jdg_69982 |
stackexchange | llm_judgeable_groundtruth_similarity | 7968451 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
There're 3 ways to get current interface orientation that I know of: self.interfaceOrientation [[UIApplication sharedApplication] statusBarOrientation] [[UIDevice currentDevi... | self.interfaceOrientation returns UIInterfaceOrientation, current orientation of the interface. It is a property in UIViewController, you can access to this one only in UIViewController classes. [[UIApplication sharedApplication] statusBarOrientation] returns UIInterfaceOrientation, current orientation of the applicati... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/7968451', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/607/']} | jdg_69983 |
stackexchange | llm_judgeable_groundtruth_similarity | 27968963 |
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 testing Visual Studio 2015 with C# 6.0 but the language features are not working. In an MVC web application, the following code does compile: if (!string.IsNullOrWhiteSp... | This works in MVC 5 (tested 5.2.3), you just need to add the roslyn code dom Nuget package CodeDOM Providers for .NET Compiler... Replacement CodeDOM providers that use the new .NET Compiler Platform ("Roslyn") compiler as a service APIs. This provides support for new language features in systems using CodeDOM (e.g. AS... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/27968963', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1195620/']} | jdg_69984 |
stackexchange | llm_judgeable_groundtruth_similarity | 36829176 |
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 an option to delete the cache of all Apps or certain Apps in Android M ? Seems like most ways don't work anymore in Android M. As a reference I used this Code out of... | Is there an option to delete the cache of all apps or certain apps in Android M? A third-party app cannot delete the cache of another app in Android 6.0+. The protection level of Manifest.permission.CLEAR_APP_CACHE changed from "dangerous" to "signature|privileged" or "system|signature" in Android 6.0+. Now, only apps ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/36829176', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2992462/']} | jdg_69985 |
stackexchange | llm_judgeable_groundtruth_similarity | 16845624 |
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 a node.js newbie and I'm trying to understand how I can organize some logic in the non-blocking way node likes it. I have a set of environments ['stage','prod'], and anot... | Q is the dominant promise implementation in node.js. I also have my own super light weight promises library Promise . My library doesn't implement all the features I've used in these examples, but it could be made to work with minor adaptation. The underpinning specification for how promises work and ineroperate is ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/16845624', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/675066/']} | jdg_69986 |
stackexchange | llm_judgeable_groundtruth_similarity | 29327566 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a table where messages are stored as they happen. Usually there is a message 'A' and sometimes the A's are separated by a single message 'B'.Now I want to group the va... | That was interesting :) ;WITH cte as (SELECT Messages.Message, Timestamp, ROW_NUMBER() OVER(PARTITION BY Message ORDER BY Timestamp) AS gn,ROW_NUMBER() OVER (ORDER BY Timestamp) AS rnFROM Messages), cte2 AS (SELECT Message, Timestamp, gn, rn, gn - rn as gbFROM cte ), cte3 AS (SELECT Message, MIN(Timestamp) As Ts, COUN... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/29327566', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/818905/']} | jdg_69987 |
stackexchange | llm_judgeable_groundtruth_similarity | 1203209 |
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 Google yields plenty of example of adding and deleting entries in an F# dictionary (or other collection). But I don't see examples to the equivalent of myDict["Key"] = My... | f# has two common associative data structures: The one you are most used to, the mutable Dictionary which it inherits that's to it's presence in the BCL and uses a hashtable under the hood. let dict = new System.Collections.Generic.Dictionary<string,int>()dict.["everything"] <- 42 The other is known as Map and is, in c... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1203209', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/128432/']} | jdg_69988 |
stackexchange | llm_judgeable_groundtruth_similarity | 299764 |
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:
I'm learning about dependency injection and while I can see the appeal of it when writing functional libraries, I fail to see how it solves anything when ... | You're missing the point of testing it seems. That is trivial to test: injecting mocks or spies as the texCompiler and pdfMerger is a piece of cake because the function really doesn't do much at all. All I can test is that both functions are called in the right sequence. Awesome! If the function is doing trivial work, ... | {} | {'log_upvote_score': 4, 'links': ['https://softwareengineering.stackexchange.com/questions/299764', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/199400/']} | jdg_69989 |
stackexchange | llm_judgeable_groundtruth_similarity | 712689 |
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 navigation bar on the left hand side of my page, and I want it to stretch to 100% of the page height. Not just the height of the viewport, but including the areas hi... | Here is the solution I finally came up with when using a div as a container for a dynamic background. Remove the z-index for non-background uses. Remove left or right for a full height column. Remove top or bottom for a full width row. EDIT 1: CSS below has been edited because it did not show correctly in FF and Chrome... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/712689', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/85008/']} | jdg_69990 |
stackexchange | llm_judgeable_groundtruth_similarity | 14799434 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a list of data.frame objects which i would like to row append to one another, ie merge(..., all=T) . However, merge seems to remove the row names which I need to be k... | Since you know you are not actually merging, but just rbind-ing, maybe something like this will work. It makes use of rbind.fill from "plyr". To use it, specify a list of the data.frame s you want to rbind . RBIND <- function(datalist) { require(plyr) temp <- rbind.fill(datalist) rownames(temp) <- unlist(lapply(data... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14799434', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/714319/']} | jdg_69991 |
stackexchange | llm_judgeable_groundtruth_similarity | 6156656 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Consider this class: class DateTime(year: Int, month: Int, day: Int)(hour: Int, minute: Int, second: Int) how would the unapply method look like, if I would like to match aga... | Case classes match (and do their other nifty things) only on the first set of parameters: scala> case class A(i: Int)(j: Int) { }defined class Ascala> A(5)(4) match { case A(5) => "Hi" }res14: java.lang.String = Hiscala> A(5)(4) == A(5)(9)res15: Boolean = true If it's not a case class, you can define the unapply to be ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/6156656', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/297776/']} | jdg_69992 |
stackexchange | llm_judgeable_groundtruth_similarity | 4788461 |
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 my WebView loading all links inside the webview - but when I select an email link it tries to load it in the webview instead of launching an email app on the phone. H... | I assume you are already overriding shouldOverrideUrlLoading, you just need to handle this special case. mWebClient = new WebViewClient(){ @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { if(url.startsWith("mailto:")){ MailTo mt = MailTo.parse(url); ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/4788461', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/561377/']} | jdg_69993 |
stackexchange | llm_judgeable_groundtruth_similarity | 2186747 |
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 can I create a system/multiprocess Mutex to co-ordinate multiple processes using the same unmanaged resource. Background: I've written a procedure that uses a File prin... | You can use the System.Threading.Mutex class, which has an OpenExisting method to open a named system mutex. That doesn't answer the question: How can I create a system/multiprocess Mutex To create a system-wide mutex, call the System.Threading.Mutex constructor that takes a string as an argument. This is also known a... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2186747', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/16487/']} | jdg_69994 |
stackexchange | llm_judgeable_groundtruth_similarity | 274416 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
The Faraday electromagnetic tensor is anti-symmetric. What is the physical meaning of this anti-symmetry?
Now provide the response and nothing else.
| Abstract In this answer we'll show that the physical meaning of the anti-symmetry of the electromagnetic tensor is the demand for the electromagnetic (Lorentz) force to be pure, where a force is called pure if it doesn't change the rest mass $\:m_{o}\:$ of any particle moving with any (subluminal) velocity. This de... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/274416', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/127275/']} | jdg_69995 |
stackexchange | llm_judgeable_groundtruth_similarity | 305728 |
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:
I have been looking at Microservices for a while now. The concept is not new but it's communicated in a lightweight manner. So, I am very excited about th... | I think that each service should have its own storage . Otherwise you're missing a point of (micro-)services - you can't quickly evolve the service if you're limited by storage shared with other service. Why are you splitting read and write logic into separate services? That's a bit of a smell for me. There's nothing s... | {} | {'log_upvote_score': 4, 'links': ['https://softwareengineering.stackexchange.com/questions/305728', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/22417/']} | jdg_69996 |
stackexchange | llm_judgeable_groundtruth_similarity | 389237 |
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:
I recently came by a seemingly trivial architectural problem. I had a simple repository in my code that was called like this (code is in C#): var user = /... | Sending a notification that the persistent data store changed seems like a sensible thing to do when saving. Of course you shouldn't treat Add as a special case - you'd have to fire events for Modify and Delete as well. It's the special treatment of the "Add" case that smells, forces the reader to explain why it smells... | {} | {'log_upvote_score': 5, 'links': ['https://softwareengineering.stackexchange.com/questions/389237', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/211802/']} | jdg_69997 |
stackexchange | llm_judgeable_groundtruth_similarity | 558283 |
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 installed apache2 on ubuntu 13.10.If I try to restart it using sudo /etc/init.d/apache2 restart I get this message: AH00558: apache2: Could not reliably determine the server'... | [Fri Nov 29 17:35:43.942472 2013] [core:warn] [pid 14655] AH00111: Config variable ${APACHE_LOCK_DIR} is not defined This message is displayed because you directly executed the apache2 binary.In Ubuntu/Debian the apache config relies on the envvar file which is only activated. If you start apache with the init script o... | {} | {'log_upvote_score': 7, 'links': ['https://serverfault.com/questions/558283', 'https://serverfault.com', 'https://serverfault.com/users/200993/']} | jdg_69998 |
stackexchange | llm_judgeable_groundtruth_similarity | 13855 |
Below is a question asked on the forum physics.meta.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Does it make any difference in using https://physics.meta.stackexchange.com/q/13855/305718 instead of https://physics.meta.stackexchange.com/questions/13855/prop... | There’s no difference for the person clicking the link, but there are minor differences for the person posting it, and for a hypothetical person who might read the URL but not click. The magic number that’s common in your two examples, 13855 , is the database identifier of your post. When you visit a link of the first... | {} | {'log_upvote_score': 4, 'links': ['https://physics.meta.stackexchange.com/questions/13855', 'https://physics.meta.stackexchange.com', 'https://physics.meta.stackexchange.com/users/305718/']} | jdg_69999 |
stackexchange | llm_judgeable_groundtruth_similarity | 2353473 |
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 dealing with Windows here. I know you can use the $_SERVER['HTTP_USER_AGENT'] variable to detect the OS of the browser viewing the page, but is the any way that PHP can ... | Note: This solution is a bit less convenient and slower than @Salman A's answer . I would advice you to use his solution and check for PHP_INT_SIZE == 8 to see if you're on a 64bit os. If you just want to answer the 32bit/64bit question, a sneaky little function like this would do the trick (taking advantage of the int... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2353473', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/148256/']} | jdg_70000 |
stackexchange | llm_judgeable_groundtruth_similarity | 12807075 |
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 been working on moving over to OOP in PHP. I have reading explanations on php.net, but I was hoping I could get some specific answers here. I tried to create the foll... | When moving form procedural to Object Oriented programming you should grasp more then just how to build classes. OOP is not writing classes, its about following best practices, principles and patterns in OOP. You should not instantiate new objects inside another, you should give the User object, his Database object tha... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12807075', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1582882/']} | jdg_70001 |
stackexchange | llm_judgeable_groundtruth_similarity | 479200 |
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:
Since we can plug anything consistent with a cdf, I would like to clarify whether we are implying that each of the underlying marginals are gaussian when we use gaussia... | There are various ways a negative binomial distribution can come about. One of them, as Robert Long comments , is as a Poisson distribution whose parameter is itself Gamma distributed. The Wikipedia page gives the derivation of this result. So this covers parts (i) and (ii) of your model. This is an example of compound... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/479200', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/252526/']} | jdg_70002 |
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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 question about Haskell polymorphism. As I've learned, there are two types of polymorphism: Parametric : where you do not specify the input type. Example: functionNam... | Overloading in Haskell is done using type classes. For example, let's say you want to overload a function foo that returns an Int : class Fooable a where foo :: a -> Intinstance Fooable Int where foo = idinstance Fooable Bool where foo _ = 42 However, they are more powerful than the overloading mechanisms foun... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/6636107', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/296231/']} | jdg_70003 |
stackexchange | llm_judgeable_groundtruth_similarity | 3026351 |
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 done some programming and I have used Mercurial for source control. I now need to send all of my code to someone else (because they are going to take over). Since all ... | What you've suggested will work fine, but you can also use hg bundle to create a changegroup file encapsulating a compressed copy of the entire repository (see hg help bundle for the full details, or this page: http://www.selenic.com/mercurial/hg.1.html#bundle ). On your machine: hg -R /path/to/repo bundle --all my_rep... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3026351', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/39321/']} | jdg_70004 |
stackexchange | llm_judgeable_groundtruth_similarity | 31964930 |
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 do exactly the following: >>> x = (1,2)>>> y = 'hello'>>> '%d,%d,%s' % (x[0], x[1], y)'1,2,hello' However, I have a long x , more than two items, so I tried: >... | str % .. accepts a tuple as a right-hand operand, so you can do the following: >>> x = (1, 2)>>> y = 'hello'>>> '%d,%d,%s' % (x + (y,)) # Building a tuple of `(1, 2, 'hello')`'1,2,hello' Your try should work in Python 3 , where Additional Unpacking Generalizations is supported, but not in Python 2.x: >>> '%d,%d,%s' % ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/31964930', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/547820/']} | jdg_70005 |
stackexchange | llm_judgeable_groundtruth_similarity | 204363 |
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 create a simple 3D model (for example in 3DS MAX) and then import it to Android?
Now provide the response and nothing else.
| That's where I got to: I've used Google's APIDemos as a starting point - there are rotating cubes in there, each specified by two arrays: vertices and indices. I've build my model using Blender and exported it as OFF file - it's a text file that lists all the vertices and then faces in terms of these vertices (indexed ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/204363', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3037/']} | jdg_70006 |
stackexchange | llm_judgeable_groundtruth_similarity | 360036 |
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:
I have an array of unique integers, for example: {1,3,,7,9,31,46,...}, which I want to compress. I have found compression techniques and algorithms for th... | You have to consider that compression - by which I assume you mean lossless compression - equates to the removal of redundant information . If you write 12,12,12,12,12 there's redundance and you can write it as 12*5. So you need to find the information that you can make redundant. For example the sequence 1,2,3,4,5,6,7... | {} | {'log_upvote_score': 5, 'links': ['https://softwareengineering.stackexchange.com/questions/360036', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/287280/']} | jdg_70007 |
stackexchange | llm_judgeable_groundtruth_similarity | 650286 |
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 know that $\vec a\cdot(\vec b+\vec c)=\vec a\cdot\vec b+\vec a\cdot\vec c$, but is it also true that $\vec a\cdot(\vec b-\vec c)=\vec a\cdot\vec b-\vec a\cdot\vec c$?
... | Let $c' = -c$. Then $b-c = b+c'$ Then $a\cdot (b-c) = a\cdot (b+c') = a\cdot b + a\cdot c' = a\cdot b -a\cdot c$. So, yes. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/650286', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/107827/']} | jdg_70008 |
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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 made two tables : Member(member_id,name,contact) Registration(loan_id,member_id,witness1_id,witness2_id,status)primary key of Member,registration table are member_id a... | I've found fix for Icon_Selector for PagerSlidingTabStrips within it's closed issues. Modify PagerSlidingTabStrips.java and add following code private int currentPageSelected = 0; //Fix : ICON SELECTOR Append on NotifyDataSetChanged method inside OnGlobalLayoutListener currentPosition = pager.getCurrentItem(); tabsCon... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/24838669', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3026618/']} | jdg_70009 |
stackexchange | llm_judgeable_groundtruth_similarity | 9887 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
My camera, which is powered by two AA batteries in series, would not power on. I removed the batteries, exchanged their locations, and the device worked again - for a... | First, your camera is not designed to work with batteries below a certain voltage. When it detects an excessively low battery voltage it turns itself off. That circuit stays in the "off" state until voltage is completely removed from the circuit. When you operate your camera, the current required by your camera varies ... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/9887', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/2809/']} | jdg_70010 |
stackexchange | llm_judgeable_groundtruth_similarity | 1338892 |
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:
As a tourist in NY, I want to go from the Grand Central Station (42nd street and 4th Avenue) to Times Square (47th street and 7th Avenue). I needed my morning coffee, an... | I agree with Ofir's answer and would like to suggest an alternative, more general way to compute the number of ways to go from the cafe to Times square. Clearly, the total number of steps is $5$. Clearly, exactly two of those steps are in the direction west. You just need to choose these two steps, and the number of po... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1338892', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/45247/']} | jdg_70011 |
stackexchange | llm_judgeable_groundtruth_similarity | 2114960 |
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:
Prove that $1+x\ln(x+\sqrt{x^2+1})\geq \sqrt{1+x^2}\;\forall x \geq 0$ $\bf{My\; Try::}$ Means we have to prove $x\ln(x+\sqrt{x^2+1})\geq \sqrt{1+x^2}-1$ Put $\sqrt{x^2+... | Let $p(x) = \sum_{k=0}^n a_kx^k$. If $A, B$ are similar, there is an invertible $S$ such that $B = SAS^{-1}$. Let $p(A) = P$. What is $p(B)$ ? $$p(B) = \sum_{k=0}^n a_kB^k = \sum_{k=0}^n a_k(SAS^{-1})^k = \\\sum_{k=0}^n a_kSA^kS^{-1} = S\left(\sum_{k=0}^n a_kA^k\right)S^{-1} = Sp(A)S^{-1} = SPS^{-1}$$ and the matrices ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2114960', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/14311/']} | jdg_70012 |
stackexchange | llm_judgeable_groundtruth_similarity | 17541682 |
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 printf("%d",*(++(*a))); Undefined? Here a is pointer to a pointer to integer. I do not have anymore code other than this.It is an extension of This question which had crea... | If you break it down, it does this: Take the value of what a is pointing at: *a Increment by one ++(*a) Dereference that *(++(*a)) So, if the value+1 of what is stored at a is a valid pointer, this will work. Otherwise, the result is undefined and will most likely result in a runtime error. | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/17541682', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2339452/']} | jdg_70013 |
stackexchange | llm_judgeable_groundtruth_similarity | 25154495 |
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 wondering why is the following code allowed in Java, without getting compilation error?In my opinion, this code breaks method signature by not returning any String .Coul... | The final } of the method is unreachable - you only get a compilation error if it's possible to get to the end of the method without returning a value. This is more useful for cases where the end of the method is unreachable due to an exception, e.g. private String find(int minLength) { for (String string : strings)... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/25154495', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3114613/']} | jdg_70014 |
stackexchange | llm_judgeable_groundtruth_similarity | 12045893 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
There are a lot different media queries for mobile screen sizes. It can be overwhelming to accomodate all of them when designing a responsive mobile site. Which are the most ... | I'd recommend taking after Twitter's Bootstrap with just these four media queries: /* Landscape phones and down */@media (max-width: 480px) { ... }/* Landscape phone to portrait tablet */@media (max-width: 767px) { ... }/* Portrait tablet to landscape and desktop */@media (min-width: 768px) and (max-width: 979px) { ...... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/12045893', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1460983/']} | jdg_70015 |
stackexchange | llm_judgeable_groundtruth_similarity | 46724260 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
This compiles: int main() { const int x = 123; auto g = []() { std::cout << x << "\n"; }; g();} But this: int main(){ const float x = 123; auto g = []() { std:... | Lambda's scope can implicitly capture variables within its reaching scope. Your variables are in the reaching scope, since they are local to the (main) function that defines the lambda. However, there are certain criteria in which variables can be captured via this mechanism, as mentioned in [expr.prim.lambda]/12 : A l... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/46724260', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1601719/']} | jdg_70016 |
stackexchange | llm_judgeable_groundtruth_similarity | 6330431 |
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 something in jquery that would allow me to differentiate between behavior on double click and single click? When I bind both to same element only the single click ge... | I found that John Strickler's answer did not quite do what I was expecting. Once the alert is triggered by a second click within the two-second window, every subsequent click triggers another alert until you wait two seconds before clicking again. So with John's code, a triple click acts as two double clicks where I ... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/6330431', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/632316/']} | jdg_70017 |
stackexchange | llm_judgeable_groundtruth_similarity | 824234 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
What is a callback function?
Now provide the response and nothing else.
| Developers are often confused by what a callback is because of the name of the damned thing. A callback function is a function which is: accessible by another function, and is invoked after the first function if that first function completes A nice way of imagining how a callback function works is that it is a function... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/824234', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/-1/']} | jdg_70018 |
stackexchange | llm_judgeable_groundtruth_similarity | 2881967 |
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:
First question on this site. Hope to ask/answer many more in the future. I'm currently self-studying An Introduction to Mathematical Logic by Richard E. Hodel and came a... | An example of an inductive set is the set FOR of all formulas. This is strictly larger than THM in most cases of interest. (I see I've just repeated Daniel Schepler's comment here.) More generally, suppose that not every formula is a theorem, i.e. $\text{THM}\subsetneq\text{FOR}$. Then pick any formula $\varphi\in \tex... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2881967', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/584030/']} | jdg_70019 |
stackexchange | llm_judgeable_groundtruth_similarity | 612568 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I'd like to inline the following 2 commands: big_query_that_returns_text > in.txt$ printf '%s\n' "foo" "bar" | grep -f /dev/stdin in.txt that do work by finding foo and ... | This is a place for a process substitution : it's a block of code that acts like a file Pipe the big query results to grep's stdin big_query_that_returns_text | grep -f <(printf '%s\n' "foo" "bar") If the command to produce "foo" and "bar" is more complicated, you can help readability with arbitrary newlines inside the... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/612568', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/435266/']} | jdg_70020 |
stackexchange | llm_judgeable_groundtruth_similarity | 10239346 |
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 get a unique random number but i always get the same number every time i run the code. i will get 14 first then 6 but my list for holding all the used numbers ... | Replace: Random rand = new Random(numCards); with Random rand = new Random(); Supplying a fixed seed value ( numCards always has the same value) in the Random constructor call will result in a predictable , reproducible sequence which is always the same for the same seed value, just like this (not quite but still the p... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10239346', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1345363/']} | jdg_70021 |
stackexchange | llm_judgeable_groundtruth_similarity | 804115 |
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 need some help/suggestions solving the following math problem. I don't know how to continue from step 2. Find x. 1.) $\displaystyle\left|\frac{x+1}{x}\right|< 1$ 2.) $... | $$\left|\frac{x+1}{x}\right|< 1$$ $$\left|1 + \frac{1}{x}\right|<1\\-1<1 + \frac{1}{x}<1\\ -2<\frac{1}{x}<0 \\\left(\frac{1}{x} >-2\right) \wedge \left(\frac{1}{x}<0\right)$$ Dismiss $\displaystyle x>0$ because of the second inequality. Hence $\displaystyle x<0$. From first inequality, $\displaystyle 1 < -2x\\\displays... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/804115', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/114141/']} | jdg_70022 |
stackexchange | llm_judgeable_groundtruth_similarity | 30733 |
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 remember learning in school that one can construct any logical circuit from solely NAND or NOR gates. First of all, I am wondering if this is how it's actually ... | First of all, I am wondering if this is how it's actually done: i.e. when Intel makes a CPU, do they build all the registers, etc. using NAND / NOR gates, or do they have some other fancier way of doing things? Registers aren't made out of gates, most often they are dedicated circuits. They can be seen as made with inv... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/30733', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/9453/']} | jdg_70023 |
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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:
When doing hypothesis testing, we calculate the distribution of test statistic (for example z ) under null hypothesis and then compare the actual z (one calculated from... | It is both meaningful and (usually) correct You are overcomplicating this by bringing probability into a simple non-probabilistic assertion. You need not invoke an omniscient deity in order to accept that there is a reality that exists independently of knowledge of it. (You seem to be operating under the assumption t... | {} | {'log_upvote_score': 6, 'links': ['https://stats.stackexchange.com/questions/552497', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/172965/']} | jdg_70024 |
stackexchange | llm_judgeable_groundtruth_similarity | 3389169 |
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 the Apache log configuration it is possible to specify that the HTTP auth user name should be logged. Most PHP scripts have their own, cookie-based authentication. Is it p... | Apache passes data between modules in notes . If you run PHP as an Apache module, you can use apache_note() to get and set notes. You can then include the %{note_name}n log format string to write this to the access log. This will not "leak" any data back to the client. In PHP: apache_note( 'username', $username ); In y... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3389169', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/130121/']} | jdg_70025 |
stackexchange | llm_judgeable_groundtruth_similarity | 13937298 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
rather that populate a dropdown list with a query based on a look-up table, is there a way to have all the records from the look-up as the datasource and simply "go to" the r... | What you're looking for is Kleisli category . It was originally developed to show that every monad can be constructed from two adjoint functors. The problem is that Haskell Functor is not a generic functor, it's an endo-functor in the Haskell category. So we need something different (AFAIK) to represent functors betwee... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/13937298', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/299138/']} | jdg_70026 |
stackexchange | llm_judgeable_groundtruth_similarity | 4480195 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Does anyone know how you can get the length of a polyline in google maps v3? At the moment I am using Haversine fomula but if the polyline meets the start then it calculates ... | Extend Google Maps API with these functions: google.maps.LatLng.prototype.kmTo = function(a){ var e = Math, ra = e.PI/180; var b = this.lat() * ra, c = a.lat() * ra, d = b - c; var g = this.lng() * ra - a.lng() * ra; var f = 2 * e.asin(e.sqrt(e.pow(e.sin(d/2), 2) + e.cos(b) * e.cos (c) * e.pow(e.sin... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4480195', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/359425/']} | jdg_70027 |
stackexchange | llm_judgeable_groundtruth_similarity | 7258993 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
>>> import os>>> os.chdir('c:/python27')>>> os.listdir('c:')['Tools', 'include', 'python.exe', 'libs', 'DLLs', 'Lib', 'NEWS.txt','w9xpopen.exe', 'Doc', 'pythonw.exe', 'LICENS... | This is not specific to Python, it's a Windows question at heart. In Windows C: and C:\ (or, alternatively C:/ ) have quite different meanings: C: refers to the current directory on the drive C: C:\ (and C:/ ) refers to the root directory of the drive C: While UNIX-like operating systems simply have a "current director... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/7258993', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/794960/']} | jdg_70028 |
stackexchange | llm_judgeable_groundtruth_similarity | 8958310 |
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 can I match subject via a PHP preg_match() regular expression pattern in this HTML code: <table border=0> <tr> <td> <h2>subject</h2> </td> All the whitespaces and n... | If you're looking for (e.g.) a h2 tag nested within a td tag where there's only whitespace in between the two, just use \s which includes spaces, newlines, etc. eg:: preg_match('#<td>\s*<h2>(.*?)</h2>\s*</td>#i',$str,$matches);// result is in $matches[1] See it in action here . For your interest, here is a list of diff... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/8958310', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1115626/']} | jdg_70029 |
stackexchange | llm_judgeable_groundtruth_similarity | 2465328 |
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 AVAudioRecorder in the iPhone SDK can be used to get the peak and average power for a channel, in decibels. The range is between 0db to 160db. What is the calculation use... | The range is from -160 dB to 0 dB. You probably want to display it in a meter that goes from -90 dB to 0 dB. Displaying it as decibels is actually more useful than as a linear audio level, because the decibels are a logarithmic scale, which means that it more closely approximates how loud we perceive a sound. That said... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2465328', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/257550/']} | jdg_70030 |
stackexchange | llm_judgeable_groundtruth_similarity | 960389 |
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 encountered a problem in a C program running on an AVR microcontroller (ATMega328P). I believe it is due to a stack/heap collision but I'd like to be able to confirm t... | You say malloc is failing and returning NULL: The obvious cause which you should look at first is that your heap is "full" - i.e, the memory you've asked to malloc cannot be allocated, because it's not available. There are two scenarios to bear in mind: a: You have a 16 K heap, you've already malloced 10 K and you try ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/960389', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4023/']} | jdg_70031 |
stackexchange | llm_judgeable_groundtruth_similarity | 12652798 |
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 load a png image as a drawable from my device sd card.I use the following function but it doesn't work: public Drawable getDrawable(){return new BitmapDrawable(... | There is actually a BitmapDrawable constructor straight from file path. The method you are using is depricated. Try: Drawable myDrawable = new BitmapDrawable(getResources(), pathName); If this doesnt work, Try getting a bitmap and creating a drawable from it: The bitmap can be created with decodeFile You can use it lik... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12652798', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1203043/']} | jdg_70032 |
stackexchange | llm_judgeable_groundtruth_similarity | 282451 |
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 .net transaction with a SQL insert to a SQL Server 2005 database. The table has an identity primary key. When an error occurs within the transaction, Rollback() is c... | If you think about it, the auto-increment number should not be transactional. If other transactions had to wait to see if the auto-number was going to be used or "rolled back", they would be blocked by the existing transaction using the auto-number. For example, consider my psuedo code below with table A using an aut... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/282451', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/19763/']} | jdg_70033 |
stackexchange | llm_judgeable_groundtruth_similarity | 12628585 |
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 add some calculation inside my case statement to dynamically create the contents of a new column but I get the error: Column 'Test1.qrank' is invalid in the select ... | The error you posted can happen when you're using a clause in the GROUP BY statement without including it in the select. Example This one works! SELECT t.device, SUM(case when transits.direction = 1 then 1 else 0 end) , SUM(case when transits.direction = 0 then 1 else 0 end) from t1 t ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12628585', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/953726/']} | jdg_70034 |
stackexchange | llm_judgeable_groundtruth_similarity | 20091826 |
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 WCF layer and my Domain Model is behind this WCF layer. I am using Nhibernate as an ORM tool and all my business logic/ Data Access etc will be behind this WCF layer... | 1) Should i create DTOs? is there any harm in exposing entities directly to wcf clients as my entities would also have business logic methods also in doing so i would have to corrupt my entitiy object with WCF attributes which i think is not good? Yes, SOA requires data contracts. They can be more or less formalized (C... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/20091826', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2717616/']} | jdg_70035 |
stackexchange | llm_judgeable_groundtruth_similarity | 39923 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
This should be a trivial question for mathematicians but not for typical physicists. I know that the spectrum of a linear operator on a Banach space splits into the so-called ... | Eigenvectors for different eigenvalues of a self-adjoint operator are orthogonal. In a separable Hilbert space, any orthogonal set is countable. So a self-adjoint operator on separable Hilbert space has only countably many eigenvalues. (As noted, this does not mean the spectrum is countable.) | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/39923', 'https://mathoverflow.net', 'https://mathoverflow.net/users/9504/']} | jdg_70036 |
stackexchange | llm_judgeable_groundtruth_similarity | 49202 |
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 am plotting to data curves using ListLinePlot. I like the look of Filling, but this is going to be printed, so I want something both black and white friendly, b... | This is what I've ended up doing. data1 = exPDMIABSA[[1]];data2 = exPDMIAwater[[1]];Show[ListLinePlot[{data1, data2}, PlotStyle -> {Directive[Dashed, Black], Black}, Filling -> {2 -> Axis}, FillingStyle -> Gray], RegionPlot[ y < Interpolation[data1, InterpolationOrder -> 1][x] && y > 0, {x, 300, 375}, {y, 0, 1... | {} | {'log_upvote_score': 4, 'links': ['https://mathematica.stackexchange.com/questions/49202', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/14780/']} | jdg_70037 |
stackexchange | llm_judgeable_groundtruth_similarity | 37912 |
Below is a question asked on the forum politics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
It is my understanding that the state and national government of the United States are separate entities (that's what federalism is, combining smaller states into a ... | Can state governments be overthrown without national government involvement? Yes. It happens sometimes when there's an election. Could state militaries over throw their own state government and establish a new state government and still be on good terms with the national government? Most likely no. Each state also has ... | {} | {'log_upvote_score': 5, 'links': ['https://politics.stackexchange.com/questions/37912', 'https://politics.stackexchange.com', 'https://politics.stackexchange.com/users/24505/']} | jdg_70038 |
stackexchange | llm_judgeable_groundtruth_similarity | 248545 |
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 listbox, and I have the following ItemTemplate for it: <DataTemplate x:Key="ScenarioItemTemplate"> <Border Margin="5,0,5,0" Background="#FF3C3B3B" ... | You can style your ContentControl such that a trigger fires when its container (the ListBoxItem) becomes selected: <ContentControl x:Name="designerContent" MinHeight="100" Margin="2,0,2,2" Content="{Binding Path=DesignerInstance}" Background="#FF999898"> <ContentControl.Style> <Style TargetTyp... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/248545', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/28149/']} | jdg_70039 |
stackexchange | llm_judgeable_groundtruth_similarity | 1541239 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Are there any techniques/proposals to enforce unique constraints? Yes, we can create key that's unique, but we cannot change key and keys and also this approach is not suitab... | This is one of the less fun bits of CouchDB. The best way I've found for handling unique fields that can change (like in your user example) is to create "pointer" documents with the unique values as a component of the key, and then use those to let you claim unique values. The important part of doing this is having a... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1541239', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/152326/']} | jdg_70040 |
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