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 | 38133961 |
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 set a cell value as a list. Say for example: df.loc['a']['b'] = ['one', 'two', 'three'] However, I'm unable to do so as I get the following error: ValueError: Must ... | The problem is that you likely have a dataframe where all the columns are series of type float or int. The solution is to change them type 'object.' In [3]: df = pd.DataFrame(np.zeros((4,4)))In [4]: dfOut[4]: 0 1 2 30 0.0 0.0 0.0 0.01 0.0 0.0 0.0 0.02 0.0 0.0 0.0 0.03 0.0 0.0 0.0 0.0In [5]... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/38133961', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2023745/']} | jdg_218054 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 16481230 |
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 Checkstyle rule JavadocStyle does not allow the tag <u> . According to the docs, the checks were patterned after the checks made by the DocCheck doclet available from Sun... | Javadoc permits only a subset of HTML tags, as of Java 8. Javadoc's doclint component enforces this restriction.You can disable all doclint warnings by passing -Xdoclint:none to javadoc,though you should consider fixing your Javadoc comments because otherwise the generated HTML API documentation may look bad or may omi... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/16481230', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/443836/']} | jdg_76507 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 15206716 |
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 strong in programming and as it seems facing with quite simple problem. I can't figure out how to post data on server through REST Request with json.Format that has t... | I modified your JSON a bit. Slightly untested code. { "particles": [ { "electron": { "pos": [ 0, 0, 0 ], "vel": [ 0, 0, 0 ] ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/15206716', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1659566/']} | jdg_198399 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 48760281 |
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 pass a value with URL using routerLink and read that value on another page. Like I have Modules and Submodules. On select of first record the id of that record pass... | this script will return an array of root variables in all stylesheets, served from the domain. Out of domain stylesheets are not accessible due to CORS policies. Array.from(document.styleSheets) .filter( sheet => sheet.href === null || sheet.href.startsWith(window.location.origin) ) .reduce( (acc, sheet) ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/48760281', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/9275849/']} | jdg_287737 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19984152 |
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 use the multiprocessing library in Python. Sadly multiprocessing uses pickle which doesn't support functions with closures, lambdas, or functions in __main__... | multiprocessing makes some bad choices about pickling. Don't get me wrong, it makes some good choices that enable it to pickle certain types so they can be used in a pool's map function. However, since we have dill that can do the pickling, multiprocessing's own pickling becomes a bit limiting. Actually, if multiproc... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/19984152', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/616616/']} | jdg_367147 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2236954 |
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 had some experience in Haskell and currently learning Scala. Am wondering whether there is something equivalent to Monads in Scala??
Now provide the response and nothing e... | You probably want to check out scalaz ; it's been strongly influenced by Haskell. Indeed, it has often been asked of one of the prime contributors why they aren't just using Haskell, as they seem to like it so much! Scalaz makes heavy use of implicits in order to decorate structures with their monads. For example: val ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2236954', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/112222/']} | jdg_304555 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10267102 |
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 is my .htaccess: RewriteEngine OnRewriteCond %{HTTPS} offRewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}AuthUserFile /etc/hiAuthName "hi"AuthType Basicrequire valid-... | I get around it this way. Just allow Non-SSL since it will be redirected then require auth once on SSL... SetEnvIf %{SERVER_PORT} ^80$ IS_NON_SSLRewriteEngine OnRewriteCond %{HTTPS} offRewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}AuthUserFile /etc/hiAuthName "hi"AuthType Basicrequire valid-userAllow from env=IS_... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10267102', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/279538/']} | jdg_212553 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 204970 |
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:
How can I create a new system user, an exact copy of another one (having the same groups, permissions, privileges and settings), but with different username, password an... | This script will do it (updated as per comments): #!/bin/bashSRC=$1DEST=$2SRC_GROUPS=$(id -Gn ${SRC} | sed "s/ /,/g" | sed -r 's/\<'${SRC}'\>\b,?//g')SRC_SHELL=$(awk -F : -v name=${SRC} '(name == $1) { print $7 }' /etc/passwd)sudo useradd --groups ${SRC_GROUPS} --shell ${SRC_SHELL} --create-home ${DEST}sudo passwd ${DE... | {} | {'log_upvote_score': 5, 'links': ['https://unix.stackexchange.com/questions/204970', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/80070/']} | jdg_98078 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12854778 |
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 you declare an interface in C++? This is a general question about C++. As you know, there is no clear distinction between interface and abstract cl... | I assume that with interface you mean a C++ class with only pure virtual methods (i.e. without any code), instead with abstract class you mean a C++ class with virtual methods that can be overridden, and some code, but at least one pure virtual method that makes the class not instantiable.e.g.: class MyInterface{public... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/12854778', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1678760/']} | jdg_285003 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1248787 |
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 there an example that R is Cohen-Macaulay but not normal ring?what about the converse example?
Now provide the response and nothing else.
| If $x,y\not\in\mathbb{Z}$ and $x+y\in\mathbb{Z}$, then $\left\lfloor x\right\rfloor+\left\lfloor y\right\rfloor=x+y-1$. Therefore,$$\left\lfloor j\frac ab\right\rfloor+\left\lfloor(b-j)\frac ab\right\rfloor=a-1\tag{1}$$If $(a,b)=1$, then for $0\lt j\lt b$, we have $j\frac ab\not\in\mathbb{Z}$. Summing $(1)$, we get$$\s... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1248787', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/-1/']} | jdg_117900 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 51487622 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Since upgrading to Swift 4.2 I've found that many of the NSKeyedUnarchiver and NSKeyedArchiver methods have been deprecated and we must now use the type method static func un... | You can use unarchiveTopLevelObjectWithData(_:) to unarchive the data archived by archivedData(withRootObject:requiringSecureCoding:) . (I believe this is not deprecated yet.) But before showing some code, you should better: Avoid using NSData , use Data instead Avoid using try? which disposes error info useful for deb... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/51487622', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/940141/']} | jdg_90019 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4348557 |
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: Is deriving square from rectangle a violation of Liskov's Substitution Principle? By applying the LSP, can anyone give me an implementation of Square and... | If you make Square and Rectangle immutable, then you won't violate LSP. The issue is if you can independently change the width and height of a Rectangle, and a Square is a Rectangle, then you can change a Square to not be a square. | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4348557', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/365256/']} | jdg_300787 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12719435 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Eeek! GHCi found Skolems in my code! ...Couldn't match type `k0' with `b' because type variable `b' would escape its scopeThis (rigid, skolem) type variable is bound by th... | To start with, a "rigid" type variable in a context means a type variable bound by a quantifier outside that context, which thus can't be unified with other type variables. This works a great deal like variables bound by a lambda: Given a lambda (\x -> ... ) , from the "outside" you can apply it to whatever value you l... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/12719435', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/894284/']} | jdg_328560 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3603405 |
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 extended a class in Java that has a private variable that I want to get the value of before it is changed. There are no methods to access this variable in the super cl... | You can access private variable of any class, but it's a bad idea, because you're breaking one of the basic principles of OOP - encapsulation. But sometimes programmer are forced to break it. Here is the code, which solves your problem: Extended class public class ExtZoomableChartextends ZoomableChart {public Rectangle... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3603405', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/435262/']} | jdg_229032 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1825845 |
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 $a^2+b^2+c^2 \ge a+b+c$ if $abc=1$, and $a$, $b$, $c$ are positive real numbers It is in the exercises of the AM-GM inequality chapter of a book, and that is why I... | We use AM-GM three times $$\frac{a^2 +a^2+a^2+a^2 +b^2+c^2}{6} \geq a (abc)^{1/3}$$ $$\frac{b^2 +b^2+b^2+b^2 +a^2+c^2}{6} \geq b (abc)^{1/3}$$ $$\frac{c^2 +c^2+c^2+c^2 +b^2+a^2}{6} \geq c (abc)^{1/3}$$ Summing these inequalities and dividing by 6 gives $$a^2+b^2+c^2 \geq (a+b+c)(abc)^{1/3}$$ Now using that $abc=1$, we ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1825845', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/347760/']} | jdg_348590 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4404491 |
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 XSLT wizard. I have the current XSLT i'm using to remove empty nodes: string strippingStylesheet = "<xsl:stylesheet version=\"1.0\" xmlns:xsl=\"http://www.w3.org/1... | I have the current XSLT i'm using to remove empty nodes: . . . . . . . . . I need to find a way to also remove nodes with -1 in them I guess that it is required to remove all "empty nodes". The processing depends on the definition of "empty node". One reasonable definition in your case is: Any element that do... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4404491', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/324516/']} | jdg_348447 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3952009 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Chrome for me has always been a reference on web standards, unfortunately the defer isn't supported and IE supports it since version 5.5. Why ? js.js document.getElementById ... | What do defer and async mean? By default, a <script src=...></script> tag is evil! The browser must halt parsing the HTML until the script is downloaded and executed (since the script might call document.write(...) or define global variables that later scripts depend on). This means that any images and stylesheets that... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/3952009', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/210304/']} | jdg_116019 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 26548 |
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:
If $U_A(x_A,y_A)=x_Ay_A$ and $U_B(x_B,y_B)=min(x_B,y_B)$ and the total endowments are (8,4), is the Pareto set given by the line joining the kinks of B (black line ... | Marginal utility (of $x$ ) in your case is $U_x(x,y)=2xy^2$ . You use the sign of the derivative of MU, namely $U_{xx}$ , to tell whether MU is increasing, constant, or decreasing. Specifically, you have increasing MU if $U_{xx}>0$ , constant MU if $U_{xx}=0$ , and decreasing MU if $U_{xx}<0$ . In your case, assuming t... | {} | {'log_upvote_score': 4, 'links': ['https://economics.stackexchange.com/questions/26548', 'https://economics.stackexchange.com', 'https://economics.stackexchange.com/users/18507/']} | jdg_83087 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5703993 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
`I need to know if two references from completely different parts of the program refers to the same object.I can not compare references programaticaly because they are from t... | The closest you can easily get (which won't be affected by the GC moving objects around etc) is probably RuntimeHelpers.GetHashCode(Object) . This gives the hash code which would be returned by calling Object.GetHashCode() non-virtually on the object. This is still not a unique identifier though. It's probably good eno... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5703993', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/93647/']} | jdg_361624 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 16959 |
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 need to get Mathematica to evaluate the logarithm of a negative real number using the lower branch instead of the upper branch, so that while In[1]:= Log[3.2]... | The question asks for a "cleanest way." Arguably, any solution that reduces the calculation to various cases is not very clean, and is probably inefficient too. These considerations suggest a simple, direct approach: log0[x_] := -Log[1/x] Checking a few cases (or a plot) easily confirms that log0 does what is intended ... | {} | {'log_upvote_score': 5, 'links': ['https://mathematica.stackexchange.com/questions/16959', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/2048/']} | jdg_253638 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4605 |
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:
I am looking for a way how to secure communication between our applications. There is a "server" application listening on some TCP port and "client" application whic... | I like the answer from this.josh, but there was a couple of points I wanted to add: TLS does not use the certificate for protecting the channel - that is done by a negotiated symmetric key. TLS uses certificates (server or client) authentication and key encipherment. I agree that a certificate used for encryption shou... | {} | {'log_upvote_score': 5, 'links': ['https://security.stackexchange.com/questions/4605', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/89/']} | jdg_85389 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 17957 |
Below is a question asked on the forum dsp.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Consider a sine wave having an amplitude of 9 and a frequency of 0.3 Hz. I wish to perform an fft and plot the frequency on the x-axis and the real amplitude (i.e. 9) on ... | Judging from your post, you have over 5 hours of data, your are using to calculate the spectrum. This is a lot of data points to process with FFT. Let's focus on your code and modify it a little bit to generate the $0.3\; \mathtt{Hz}$ sinusoid with an amplitude of $9$: Fs = 10;t = 0:0.1:1000;A = 9;f0 = 0.3;data = A*sin... | {} | {'log_upvote_score': 4, 'links': ['https://dsp.stackexchange.com/questions/17957', 'https://dsp.stackexchange.com', 'https://dsp.stackexchange.com/users/10881/']} | jdg_352749 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 27244431 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
here is the json file { "session": { "name":"JSESSIONID", "value":"5864FD56A1F84D5B0233E641B5D63B52" }, "loginInfo": { ... | Using Jayways JsonPath you can: private static final Configuration configuration = Configuration.builder() .jsonProvider(new JacksonJsonNodeJsonProvider()) .mappingProvider(new JacksonMappingProvider()) .build();@Testpublic void a_value_can_be_updated(){ String originalJson = "{\n" + "\"session\":\n"... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/27244431', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4303068/']} | jdg_128147 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3198005 |
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 is a two part question: Part 1 First, dealing with calculating the entropy of a password in PHP. I have been unable to find any code examples that are empirically sound... | Entropy of a string has a formal definition specified here: http://en.wikipedia.org/wiki/Entropy_(information_theory) How useful that value is going to be? It depends. Here's a method (in Java) to calculate entropy I made for an assignment: public static double entropy() { double h = 0, p; for (int i = 0; i < count... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3198005', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/258497/']} | jdg_95714 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 374453 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
Let $\mathfrak{L}(\mathbb{R})$ be the collection of Lebesgue measurable sets and $\mathfrak{B}(\mathbb{R})$ be the Borel sets. Question: Is there a nontrivial signed measure o... | So, promoting my answer to a comment, this is unprovable in ZFC (assuming ZFC is consistent). I claim that such a signed measure $\nu$ exists only if there exists a nontrivial, atomless, countably additive probability measure $\mu$ on the discrete $\sigma$ -algebra of $\mathbb{R}$ (or equivalently $[0,1]$ ). As I un... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/374453', 'https://mathoverflow.net', 'https://mathoverflow.net/users/166613/']} | jdg_166660 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9472361 |
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 color the bars in highcharts with a gradient. What I have is coloring them, but the problem is, the gradient is spreading through the other data groups rather t... | There are two ways of specifying gradients in current version of highcharts. Previously you only had the option of using an array with four coordinates like linearGradient: [x1, y1, x2, y2] . This would make the gradient coordinates apply to pixels and therefor be used for all bars (as in your example). The new option ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/9472361', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1171553/']} | jdg_369822 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 630871 |
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 make a full-bridge rectifier with a pi filter. What are my options to make a 1 H, 10 A inductor with a small footprint?
Now provide the response and no... | Here's a 0.1H 10A inductor . It weighs 35lbs. There is a limit to the magnetic flux the magnetic core can handle. Above that it will saturate and inductance will decrease. Large value inductors require more turns which increase flux in the core. To avoid saturation, the flux per unit area in the core has to be kept bel... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/630871', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/318929/']} | jdg_277615 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 16880291 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
public class Bicycle { private int cadence; private int gear; private int speed; private int id; private static int numberOfBicycles = 0; public Bicycle(int... | Static variables are owned by class rather than by its individual instances (objects). Referring static variables outside the class is by ClassName.myStaticVariable but inside the class it is similar to other instance variables. You can always use static variables in non-static methods but you cannot use non-static var... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/16880291', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1929111/']} | jdg_216964 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2391293 |
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 lookinf for an idea to prove this inequality: $$\frac{1}{2}\cdot \frac{3}{4}\cdot\frac{5}{6}...\frac{2n-1}{2n}<\frac{1}{\sqrt{2n+1}}$$ without induction. I can use ... | $$\underbrace{\frac12\cdot\frac23}_{<\left(\frac12\right)^2}\cdot\underbrace{\frac34\cdot\frac45}_{<\left(\frac34\right)^2}\cdots\underbrace{\frac{2n-1}{2n}\cdot\frac{2n}{2n+1}}_{<\left(\frac{2n}{2n-1}\right)^2}=\frac1{2n+1}$$ | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2391293', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/104171/']} | jdg_233767 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8634742 |
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 the following job in powershell: $job = start-job { ... c:\utils\MyToolReturningSomeExitCode.cmd} -ArgumentList $JobFile How do I access the exit code returned by c:... | If all you need is to do something in background while the main script does something else then PowerShell class is enough (and it is normally faster). Besides it allows passing in a live object in order to return something in addition to output via parameters. $code = @{}$job = [PowerShell]::Create().AddScript({ para... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8634742', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/80002/']} | jdg_299059 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12557718 |
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 used on an article and a section HTML5 tag. On the home: <article class="exit"> <a href="exit.php"> <figure class="box"> <img src="assets/... | I kinda don't see much of a point in trying to nest these two rules if they won't share any common styles within the exit class. That said, if you still want to nest them, remember that in selectors, element names always precede other simple selectors. Try placing the & after the element name and see if it works: .exit... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12557718', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/302910/']} | jdg_200049 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 552977 |
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 a hard time understanding how gates are built from CMOS transistors. For example, I don't understand why do we need the NMOS transistors if the PMOS transi... | if X or Y on both PMOS transistors is 0 , then both transistors will be open and the output will be 0 because there will be no flow of the current. The output will not be '0', it will be floating. That will leave any connected devices with a floating input and very susceptible to noise. The connected devices also have ... | {} | {'log_upvote_score': 6, 'links': ['https://electronics.stackexchange.com/questions/552977', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/100255/']} | jdg_299136 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 21738417 |
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 have just a simple navbar with Bootstrap : <div class="navbar navbar-inverse navbar-static-top" role="navigation"> <div class="container"> <div class="navba... | It can be done. Not too complicated actually. I simply downloaded the Bootstrap 3 source code and scanned through their CSS file. They have @media queries for different screen sizes (as you already know). I simply copied all the CSS rules they use for @media (min-width: 768px) and put them in a new rule: @media (max-wi... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/21738417', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1474334/']} | jdg_302649 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2158759 |
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 Duplicates: is “else if” faster than “switch() case” ? What is the relative performance of if/else vs. switch in Java? Ive been coding-in-the-run again....when the d... | It seems that the compiler is better in optimizing a switch-statement than an if-statement. The compiler doesn't know if the order of evaluating the if-statements is important to you, and can't perform any optimizations there. You could be calling methods in the if-statements, influencing variables. With the switch-sta... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/2158759', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/100652/']} | jdg_112533 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19127650 |
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 python you can have a defaultdict(int) which stores int as values. And if you try to do a 'get' on a key which is not present in the dictionary you get zero as default val... | You can build one using a JavaScript Proxy var defaultDict = new Proxy({}, { get: (target, name) => name in target ? target[name] : 0}) This lets you use the same syntax as normal objects when accessing properties. defaultDict.a = 1console.log(defaultDict.a) // 1console.log(defaultDict.b) // 0 To clean it up a bit, yo... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/19127650', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/462455/']} | jdg_236725 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 14069586 |
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 question is now solved - I used the below: And, problem solved thanks to IRC. I was told to run php composer.phar dump-autoload This fixes the problem for me. It's likel... | In Laravel 4 (illuminate) migration class do not require you to set unsigned method. You can try this. class CreateBlogsTable extends Migration{ /** * Run the migrations. * * @return void */ public function up() { Schema::create('blogs', function($table) { $table->incre... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14069586', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/951577/']} | jdg_178748 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 16862172 |
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 set empty view when the listView is empty. This is my full XML Layout : <?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.androi... | Use RelativeLayout Add your emptyList view first Add you listView (emptyList must be right behind the listview) If you got 0 items from json, set the visibility of listView to View.INVISIBLE. Edit: Ok, you need to change your XML a little bit. enclose emptyList and list inside a RelativeLayout as follow. <RelativeLayou... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/16862172', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1285404/']} | jdg_370562 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1636956 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I am having issues with this practice problem. If someone could help me solve it that would be greatly appreciated! Let $S(t)$ be the stock price that satisfies the BSM ... | Let $S(t)$ be governed by the SDE $$dS(t)=\mu S(t)dt+\sigma S(t)dW_t$$ Let $f(S)=\log(S)$ . Heuristically, we can write $$\begin{align}d\log(S)&=\frac{\partial f(S)}{\partial t}\,(dt)+\frac{\partial f(S)}{\partial S}\,(dS)+\frac12\frac{\partial ^2f(S)}{\partial S^2}(dS)^2\\\\&=\frac{\partial \log(S)}{\partial t}\,(dt)+... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1636956', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/310019/']} | jdg_324802 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1735387 |
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:
When I study topological manifold, I think some property of manifolds are so important that they can "almost characterize" manifolds. But I know a topological manifold i... | Let $X$ be the Hilbert cube, which is $[0,1]^{\mathbb{N}}$ with its product topology. It is compact Hausdorff (by the Tychonoff theorem). Being a countable product of second-countable spaces, it is second countable. (In fact, it is metrizable, and every compact metric space is second countable). Moreover, it is a p... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1735387', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/185631/']} | jdg_236932 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 35371246 |
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 PDF base64 encode data URI. eg: return <object data="data:application/pdf;base64,JVBERi0xLjMKJf////8KOCAwIG9...VmCjI0MTU4OAolJUVPRgo=" type="application/pdf"></objec... | Like kolin said there is no way to directly send in query strings with a data URI. However, you can switch the data URI into a blob URL and pass the parameters in there. Just take your base64 data and convert it into a pdf blob like so: function b64toBlob(b64Data, contentType) {var byteCharacters = atob(b64Data)var byt... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/35371246', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1556952/']} | jdg_320044 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 63675 |
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 am looking for a finite group $G$ with the following property: there is a (core-free) subgroup $H < G$ such that the interval $\{ K : H < K < G\}$ in Sub[$G$] contains exact... | (Updated to reflect John Shareshian's excellent answer and suggestions.) Yes , there are infinitely many examples. First off, some negative results: If $[G:H] ≤ 31$, then $G/Core(G,H)$ acting on H is one of your three examples. If H is contained in a core-free maximal subgroup M with $[G:M] ≤ 50$ (subject to a few cav... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/63675', 'https://mathoverflow.net', 'https://mathoverflow.net/users/9124/']} | jdg_315193 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2934844 |
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 $A$ and $B$ are two real square matrices and $A^TA=B^TB$ . Can we say that $A=QB$ for some orthogonal matrix $Q$ ? If they are vectors we have $\|a\|^2=a^Ta... | The answer is yes. In particular, it suffices to show that for every matrix $A$ , there exists an orthogonal matrix $U$ such that $$A = U \sqrt{A^TA}$$ which is to say that each matrix has a polar decomposition . | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2934844', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/352317/']} | jdg_301297 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 32498633 |
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 working on Magento online store. My client wants to offer free shipping for few products. When I enable free shipping from admin panel system->configuration it enables i... | By default Magento behaviour, if you enable free shipping from admin panel system->configuration , then free shipping will be enabled for all the products. If you want to enable free shipping for specific products, perform below steps : Go to Admin Panel -> Promotion -> Shopping Cart Price Rules While creating new rule... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/32498633', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3939181/']} | jdg_192522 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 47670921 |
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 Node application running with express and jsonwebtoken . I have made a check before every request for the api calls to check the jsonwebtoken. I have manually exclu... | You can extract the function (the one that verifies the token) and use it as a middleware for specific routes in your router. That way you don't have to specify which routes that need login inside the function. Like this: function isLoggedIn(req, res, next) { // check header or url parameters or post parameters for ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/47670921', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/6779637/']} | jdg_277785 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2135 |
Below is a question asked on the forum quantumcomputing.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Consider the measurement of the syndrome for the standard 3-qubit code to correct bit flips:$$\def\place#1#2#3{\smash{\rlap{\hskip{#1px}\raise{#2px}{#3}}}}\d... | The key point of quantum error correction is precisely to correct the errors without collapsing the qubits , right? If we measure the encoded qubits we project the qubits to $\left|0\right>$ or $\left|1\right>$ and lose all the information in the coefficients $\alpha \left|0\right> + \beta \left|1\right>$. By measuring... | {} | {'log_upvote_score': 4, 'links': ['https://quantumcomputing.stackexchange.com/questions/2135', 'https://quantumcomputing.stackexchange.com', 'https://quantumcomputing.stackexchange.com/users/2015/']} | jdg_359359 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2019362 |
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 of floats and I would like to convert it to an array of doubles in Java. I am aware of the obvious way of iterating over the array and creating a new one. I e... | Basically something has to do the conversion of each value. There isn't an implicit conversion between the two array types because the code used to handle them after JITting would be different - they have a different element size, and the float would need a conversion whereas the double wouldn't. Compare this to array ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2019362', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/245402/']} | jdg_216993 | 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 winform program that does some asynchronous IO on a SerialPort . However, I'm periodically running into an issue with the program freezing on the SerialPort.Close()... | The reason it would hang when you close it is because in the event handler of your SerialPort object You're synchronizing a call with the main thread (typically by calling invoke). SerialPort's close method waits for its EventLoopRunner thread which fires DataReceived/Error/PinChanged events to terminate. but since you... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8843301', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/503587/']} | jdg_322976 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 129945 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Can someone explain what exactly the string "0 but true" means in Perl? As far as I understand, it equals zero in an integer comparison, but evaluates to true when used as a ... | It's normal behaviour of the language. Quoting the perlsyn manpage: The number 0 , the strings '0' and "" , the empty list () , and undef are all false in a boolean context. All other values are true. Negation of a true value by ! or not returns a special false value. When evaluated as a string it is treated as "" ,... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/129945', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/12523/']} | jdg_163169 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 351970 |
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've just taken over a web project hosted on Windows Azure. We've been having performance problems, and I noticed today that our SQL Azure server is in the West Europe region, ... | Q: How big a problem is this? A: It's a potentially significant problem, due to: Latency - You are looking at double-digit millisecond ping times between your web server and its backend database. This is silly and can only make your site less responsive than it should be. Cost - Data transfer between subregions is bill... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/351970', 'https://serverfault.com', 'https://serverfault.com/users/107717/']} | jdg_242888 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 123473 |
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:
What is the difference between the two commands env and printenv ? They both show the environment variables, and the output is exactly the same aside from _ . Are there ... | Are there any historical reasons for there being two commands insteadof one? There was, just history manner. Bill Joy wrote the first version of printenv command in 1979 for BSD. UNIX System III introduced env command in 1980. GNU followed UNIX System's env in 1986. BSD followed GNU/UNIX System's env in 1988. MINIX fol... | {} | {'log_upvote_score': 8, 'links': ['https://unix.stackexchange.com/questions/123473', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/20120/']} | jdg_322576 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 439286 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
Here's an idea for a knot-based Diffie–Hellman exchange: Public: random (oriented) knot $P$ . Private: random (oriented) knots $A$ and $B$ . Exchange: Alice sends (randomiz... | Here I assume that by “addition” of knots you mean the usual connect sum, as defined here . With that said, I think you correctly ask the relevant question: “Is factoring knots difficult?” In favour of your idea is the fact that we do not (yet?) have a polynomial-time algorithm to factor knots. Against your idea is t... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/439286', 'https://mathoverflow.net', 'https://mathoverflow.net/users/129839/']} | jdg_90083 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 108409 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
Given a commutative ring $A$ with unity, Grothendieck used universal polynomials to define a special $\lambda$ -ring structure on $\Lambda(A):=1+t\:A[[t]]$ . Suppose $A$ is gr... | As others have said, the definition of the Chern ring there is wrong. But if memory serves, the only mistake is that they forgot to introduce the right multiplication law on the sets of power series they consider. The usual one in the theory is given by the universal formulas for exterior powers of tensor products $\La... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/108409', 'https://mathoverflow.net', 'https://mathoverflow.net/users/16046/']} | jdg_182466 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 618511 |
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 create an adjacency matrix for a graph. Since I read it is not safe to use arrays of the form matrix[x][y] because they don't check for range, I decided to use the ... | Note that also you can use boost.ublas for matrix creation and manipulation and also boost.graph to represent and manipulate graphs in a number of ways, as well as using algorithms on them, etc. Edit : Anyway, doing a range-check version of a vector for your purposes is not a hard thing: template <typename T>class Boun... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/618511', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/74660/']} | jdg_373895 | PrimeIntellect/stackexchange-question-answering |
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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:
Suppose you are given 2 random variables $X$ and $Y$ following some distribution (say geometric, $p_1$ and $p_2$ respectively). Can anyone give a hint how to calculate ... | Since the distribution of $XY$ is characterised by its cdf, you want to compute $\mathbb{P}(XY<z)$ for an arbitrary value $z$. Let us assume first that $Y$ is always positive. Then $$\eqalign{\mathbb{P}(XY<z)&=\mathbb{E}[\mathbb{I}_{(-\infty,z)}(XY)]\\&=\mathbb{E}[\mathbb{E}[\mathbb{I}_{(-\infty,z)}(XY)]|Y]]\\&=\mathbb... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/182962', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/95845/']} | jdg_369856 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 41583088 |
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 website running on a LEMP stack. I have enabled cloudflare with the website. I am using the cloudflare flexible SSL certificate for https. When i open the website in... | Since you are using cloudflare flexible SSL your nginx config file wll look like this:- server { listen 80 default_server; listen [::]:80 default_server; server_name mydomain.com www.mydomain.com; if ($http_x_forwarded_proto = "http") { return 301 https://$server_name$request_uri; } root /var/www/html; inde... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/41583088', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/6039938/']} | jdg_87181 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 335156 |
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 topological explanation of Bohm-Aharonov effect assumes that the presence of a solenoid makes the configuration space non-simply connected. Now assume that the ma... | No, there is no contradiction. The Aharonov-Bohm effect specifies that there can be a shift in the interference fringes whenever there is a superposition of waves with different winding numbers about the hole, and it gives that phase shift in the interference pattern as$$\oint \mathbf A\cdot \mathrm d\mathbf l.$$The pr... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/335156', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/36793/']} | jdg_245757 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 55581725 |
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 created a code to do a simple select and insert into a Database.This code works when tested from the html on the web browser (Firefox & Chrome). However this was made to... | So after a lot of digging and investigation, I finally found out what was my problem. From what I was able to observe, I think there is a little difference in the way Android and iOS handle PWAs lifecycle, as well as service workers. On Android, when starting the app after a reboot, it looks like starting the app and s... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/55581725', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/11331187/']} | jdg_261757 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10515468 |
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 any sample project showing how to integrate APNS on IPhone , and how to get deviceToken?
Now provide the response and nothing else.
| there are a few simple steps you need to follow: in your app delegate's didFinishLaunchingWithOptions you should register for remote notifications. notice that apple's documentations suggests to register each time the app runs since the token may change from time to time. you do this by calling: [[UIApplication sharedA... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10515468', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1325661/']} | jdg_146519 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9762402 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Taking a JavaScript object with 4 properties: function Object() { this.prop1; this.prop2; this.prop3; this.prop4;}var obj = new Object(); I use a for(in) loop to inspect ... | A for (x in y) does not process the properties in any specific order so you cannot count on any desired order. If you need to process the properties in a specific order, you will need to get all the properties into an array, sort the array appropriately and then use those keys in the desired order. Using ES5 (or an ES5... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9762402', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/828547/']} | jdg_229332 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8027163 |
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 post two values in one drop down option and I'm not sure about the best way to approach it. The drop down list pulls data in from an external service. This data i... | You cannot post two values unless both of them appear in the value attribute. You can place both in, separated by a comma or hyphen and explode() them apart in PHP: // Place both values into the value attribute, separated by "-"<option value="<?php echo $name['id'] . "-" . $name['name']);?>"> <?php echo $name['name'... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8027163', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/802814/']} | jdg_159611 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm trying to figure out which version of sed that I've got on BusyBox 1.18.3. The --version output is cryptic. $ sed --versionThis is not GNU sed version 4.0 The follow... | BusyBox sed doesn't really support --version . As the comment indicates, the output is intended for configure scripts , not for humans. (It's confusing to humans in a rather silly way!) Describe it as BusyBox sed indicating the Busybox version (obtained with busybox | head -n 1 ). Some BusyBox commands have optional fe... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/16350', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/-1/']} | jdg_230523 | 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:
Let $V=L$ denote the axiom of constructibility. Are there any interesting examples of set theoretic statements which are independent of $ZFC + V=L$? And how do we construct su... | There are numerous examples of such statements. Let me organize some of them into several categories. First, there is the hierarchy of large cardinal axioms that are relatively consistent with V=L. See the list of large cardinals . All of the following statements are provably independent of ZFC+V=L, assuming the consis... | {} | {'log_upvote_score': 6, 'links': ['https://mathoverflow.net/questions/11480', 'https://mathoverflow.net', 'https://mathoverflow.net/users/2689/']} | jdg_372981 | 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 can I make this generic? class AtomicReference{ private Object _value; public AtomicReference() { _value = new Object(); } public AtomicReference(Ob... | You need to constrain T to be a reference type, like this: class AtomicReference<T> where T : class { private T _value; public AtomicReference() { } public AtomicReference(T value) { OptimisticSet(value); } public T CompareAndSet(T newValue) { return Interlocked.Exchange(ref _value, newValu... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1830406', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/28760/']} | jdg_293315 | PrimeIntellect/stackexchange-question-answering |
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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 read these words in a (great) answer to this question: There are errors that come from measuring the quantities and errors that come from the inaccuracy of the laws... | Measurement errors or experimental errors can be reduced by, for example, using more accurate and more sensitive equipment; making multiple measurements and taking an average; thinking about possible sources of noise and trying to compensate for or reduce these. If you do all these things and there is still a differenc... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/626034', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/98822/']} | jdg_230644 | 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 want to insert the following as the value for a variable in some Ruby: `~!@#$%^&*()_-+={}|[]\:";'<>?,./ Surrounding this in double quotes doesn't work, so is there a nice e... | Don't use multiple methods - keep it simple. Escape the #, the backslash, and the double-quote. irb(main):001:0> foo = "`~!@\#$%^&*()_-+={}|[]\\:\";'<>?,./"=> "`~!@\#$%^&*()_-+={}|[]\\:\";'<>?,./" Or if you don't want to escape the # (the substitution character for variables in double-quoted strings), use and escape si... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1634349', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4787/']} | jdg_366814 | 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:
Can someone provide an example of forEachProperty()? https://developers.google.com/maps/documentation/javascript/reference#Data.Feature forEachProperty(callback:function(*, s... | Consider the geoJSON in this example It gets loaded to the data layer with map.data.loadGeoJson('https://storage.googleapis.com/maps-devrel/google.json'); Each letter of the word Google over Australia is a Feature. Each of these features has properties and geometry. For example, if you wanted to know the letter and col... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/24144782', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/603653/']} | jdg_281036 | 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 used this method but somehow it's not right because @attribute [AllowAnonymous] doesn't really worked so I use [Authorized] attribute instead of [AllowAnonymous] and then r... | The following is a complete and working solution to the question: First off, you'll need to provide an authentication challenge request mechanism that enables redirection to an authenticating agent such as IdentityServer. This is only possible with HttpContext, which is not available in SignalR (Blazor Server App). To ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/64853618', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/13640372/']} | jdg_339737 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 43642133 |
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 problem is similar to coin change problem, but a little different. The problem is stated as: You have a collection of coins, and you know the values of the coins and the ... | Bug fix Your original solution is fine, except that you need to iterate in reverse order to avoid being able to keep adding the same coin multiple times. Simply change the inner loop to: for num in sorted(arr): for i in range(len(dp)-1,-1,-1): if num <= i: dp[i] = dp[i] or dp[i - ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/43642133', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1179317/']} | jdg_258707 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3635722 |
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'm a little embarassed to ask this question, but I just want to be sure... It is known that C uses short circuit evaluation in boolean expressions: int c = 0;if (c && fu... | Is it guaranteed that subsequent comparisons (c == SOMETHING in this example) uses value set by canInitWithSomeValue(&c)? Yes. Because there is a sequence point Between evaluation of the left and right operands of the && (logical AND), || (logical OR), and comma operators. For example, in the expression *p++ != 0 && *... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/3635722', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/345048/']} | jdg_343460 | 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 can I animate newly added items in ListView ? I have a adapter and when I add new items in my list I say adapter.notifyDataSetChanged(); the items are added, everything w... | Animate each added element in the getView() method of your Custom Adapter . public View getView(int position, View convertView, ViewGroup parent) { View v = convertView; if (v == null) { LayoutInflater vi = (LayoutInflater) getActivity() .getSystemService(Context.LAYOUT_INFLATER_SERVICE); ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/6264795', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/706780/']} | jdg_277513 | 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 receiving events from an EventHub using EventProcessorHost and an IEventProcessor class (call it: MyEventProcessor). I scale this out to two servers by running my EPH on... | TLDR : This behavior is absolutely normal. Why can't Lease Management be smooth & exception-free : To give more control on the situation to developer. The really long story - all-the-way from Basics EventProcessorhost (hereby EPH - is very similar to what __consumer_offset topic does for Kafka Consumers - partition own... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/41496754', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/734914/']} | jdg_172956 | 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:
In the book Asymptotics and Special Functions by Frank Olver, an integral formula of Legendre reads $$\int_0^\infty{\frac{\sin(\lambda x)\mathrm{d}x}{e^{2\pi x}-1}}=\fra... | We begin by writing the integral around the prescribed contour $C$ as the sum of six integrals. Proceeding, we obtain $$\begin{align}\int_{C}\frac{e^{-i\lambda z}}{e^{2\pi z}-1}\,dz&=\int_{\varepsilon}^K \frac{e^{-i\lambda x}}{e^{2\pi x}-1}\,dx-\int_{\varepsilon}^K \frac{e^{-i\lambda (x+i)}}{e^{2\pi x}-1}\,dx\\\\&+\in... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/4235131', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/653168/']} | jdg_80778 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 37443852 |
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 been working with Spring Data with Spring Boot. With the JavaConfig documentation I have set up a Spring JPA configuration, but when calling the save method in my reposi... | You currently instantiate HouseService by hand, not through Spring. In the houseService object that you created you have field HouseRepository houseRepository which is null , because you don't initialize it in any way. If you use Spring and its Autowired functionality, then you should get the instance of HouseService f... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/37443852', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2248956/']} | jdg_299387 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 53223411 |
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 ASP.NET Core 2.1 app I am making REST request using HttpClient . I am using DelegatingHandler s to define some common behavior. The registration i here: private static voi... | After some investigation I found out that even though DelegatingHandler s are resolved by dependecy injection, the lifecycle of DelegatingHandler s is a bit unexpected and requires deeper knowledge of HttpClientFactory in .NET Core 2.1. HttpClientFactory creates new HttpClient every time, but shares HttpMessageHandler ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/53223411', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2262449/']} | jdg_87605 | 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:
Can somebody explain to me when it's a good practice to use models in CI?An article in wikipedia was referring to CI models as "entirely optional and are rarely needed" is th... | Say you needed to call a function called get_user_info that retrieves the users info from a database. You could have a function like this: class Home extends Controller { function __construct() { parent::__construct(); } function index() { $user = $this->get_user_info($_SESSION['user_id']); ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3228079', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/319650/']} | jdg_263024 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 15210962 |
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 attempting to read a simple space-separated file with pandas read_csv method. However, pandas doesn't seem to be obeying my dtype argument. Maybe I'm incorrectly specif... | 0.10.1 doesn't really support float32 very much see this http://pandas.pydata.org/pandas-docs/dev/whatsnew.html#dtype-specification you can do this in 0.11 like this: # dont' use dtype converters explicity for the columns you care about# they will be converted to float64 if possible, or object if they cannotdf = pd.rea... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/15210962', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1108031/']} | jdg_251243 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 71702399 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Appologies for not knowing exactly how to word this question. There is probably even a better title. I'm open to suggestions. I have the following subjects: (Field1 = 'Value1... | Solution: Install patch-package into your project, as per the instructions. Install deprecated-react-native-prop-types by running npm install deprecated-react-native-prop-types or yarn add deprecated-react-native-prop-types . The invariant seems to be enforced in node_modules/react-native/index.js , starting at line 43... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/71702399', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2475951/']} | jdg_347582 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 351063 |
Below is a question asked on the forum meta.stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I flagged an answer as spam a few days ago which was declined. Where might I have gone wrong? Screenshot of the (now deleted) answer:
Now provide the response and nothi... | You can't. Only moderators can lock a question. If you know the answer to an [on topic and appropriate] question and it has not yet been answered, then simply post an answer to the question, so that future readers of the question will have an answer that they can see. Locking isn't there for questions that have been a... | {} | {'log_upvote_score': 5, 'links': ['https://meta.stackoverflow.com/questions/351063', 'https://meta.stackoverflow.com', 'https://meta.stackoverflow.com/users/369450/']} | jdg_91821 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 30072284 |
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 60 x 21 x 700 matrix, where the 60 x 21 represent a pressure output x number of frames . I want to find the 2 x 2 window that generates the maximum average pressure ... | 2D Arrays: For the given 2D array input, you can use 2D convolution - %// Perform 2D convolution with a kernel of `2 x 2` size with all onesconv2_out = conv2(A,ones(2,2),'same')%// Find starting row-col indices of the window that has the maximum conv value[~,idx] = max(conv2_out(:))[R,C] = ind2sub(size(A),idx)%// Get t... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/30072284', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4869561/']} | jdg_318602 | 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:
This is my first foray outside of stack-overflow, so I hope this is an acceptable forum for this question. I want to calculate a 'complexity' index based of 3D models. C... | There are several good choices, depending on your needs. The first thing that comes to mind is the Willmore energy $$\int_S (H^2-K)\,dA$$where $H$ is the mean curvature and $K$ the Gaussian curvature of the object at a point on the surface. By Gauss-Bonet you can write this energy as$$\int_S H^2\,dA - 4\pi(1-g)$$where ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1329789', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/248979/']} | jdg_363189 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3547581 |
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 implemented a list created by a repeater: <ui:repeat value="#{projectData.paginator.list}" var="project"> <h:outputText value="#{project.title}" /></ui:repeat> and a ... | The <ui:repeat> itself does not generate any HTML to the output. The <f:ajax render> expects an ID which is present in the HTML DOM tree. Put it in a <h:panelGroup> with an id and reference it instead. <h:form> <h:panelGroup id="projects"> <ui:repeat value="#{projectData.paginator.list}" var="project"> ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/3547581', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/389430/']} | jdg_350772 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 22835635 |
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 one simple question. I know that I can reference an .net executable file in my C# project. I don't want to make unnecessary project with "Output Type: Windows Applicat... | Yes, this can be seen as a bad practice for the following reasons: Bad Project Architecture If you need to call some logic from an .exe, then that logic is incorrectly placed there. Instead, you should put it in a separate dll and reference that same .dll from both the executable you reference currently, and the applic... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/22835635', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2028619/']} | jdg_140905 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1786206 |
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 Python, the defaultdict class provides a convenient way to create a mapping from key -> [list of values] , in the following example, from collections import defaultdictd =... | There is nothing that gives the behaviour of default dict out of the box. However creating your own default dict in Java would not be that difficult. import java.util.ArrayList;import java.util.HashMap;import java.util.List;public class DefaultDict<K, V> extends HashMap<K, V> { Class<V> klass; public DefaultDict(... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1786206', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/81636/']} | jdg_307371 | 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 recently wrote the following bit of Scala: val f: File = ... // pretend this file came from somewhereval foo = toFoo(io.Source.fromFile(f).mkString) I really didn't like th... | This is perfectly okay. However, there is a method |> in Scalaz that does one better, and you can create it yourself if you don't want all of Scalaz: class Piper[A](a: A) { def |>[B](f: A => B) = f(a) }implicit def pipe_everything[A](a: A) = new Piper(a)f |> io.Source.fromFile |> {_.mkString} |> toFoo Personally, I te... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4889281', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/115478/']} | jdg_213761 | 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 question is in the title. I have been reading about DNS spoofing. What if I were to save the IP addresses of websites I consider sensitive and then just enter th... | This won't work for many websites. Many websites use virtual hosts where they host websites for multiple domains from a single webserver. In this case, the only way they know what site you're coming from is by the hostname your browser sends in the Host header of the HTTP request. The way to do this would be to specifi... | {} | {'log_upvote_score': 4, 'links': ['https://security.stackexchange.com/questions/39054', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/28374/']} | jdg_334373 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 23634550 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Where can I find documentation on bits of POSTGRES tgtype, ex.: SELECT * FROM pg_trigger;===> tgtype = 23; What does this mean?
Now provide the response and nothing else.
| tgtype is a ( per documentation ): Bit mask identifying trigger firing conditions But individual bits are not identified there. The source code says : 41 int16 tgtype; /* BEFORE/AFTER/INSTEAD, UPDATE/DELETE/INSERT,42 * ROW/STATEMENT; see below */...93 /* Bits within tgtype */94 #d... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/23634550', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1477299/']} | jdg_201665 | 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:
If I understand my algebra correctly every field is a ring and every ring is a group, so when we define modules over rings and vector spaces over fields, we then have th... | Yes: if $F$ is a field, then "module over $F$" is the same thing as "vector space over $F$". Said another way: vector spaces are modules in which the ring of scalars is a field. A "linear algebra" (or more generally, an "$F$-algebra") is both a ring and an $F$-vector space, in such a way that the ring multiplication is... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/131151', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/19723/']} | jdg_362474 | 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:
So, I'm a firm believer in having automated builds that run nightly (or even more often), especially during the late phases of a project. I was trying to convince a colleague... | I have a continuous integration server set up in a VM that mimics my production environment; by running automated builds, I know a LOT sooner when I've done something to screw up the code, and can make moves to fix it. In a project with multiple people, especially larger projects, there are no guarantees that every use... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4352091', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/292553/']} | jdg_273469 | 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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How to create variable number of EC2 instance resources in Cloudformation template, according to a template parameter? The EC2 API and management tools allow launching multip... | The AWS::EC2::Instance Resource doesn't support the MinCount / MaxCount parameters of the underlying RunInstances API, so it's not possible to create a variable number of EC2 instances by passing Parameters to a single copy of this Resource. To create a variable number of EC2 instance resources in CloudFormation templa... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/5251934', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/401505/']} | jdg_353104 | 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 trying to create a Windows Service to launch Celery. I have come across an article that does it using Task Scheduler . However it seems to launch numerous celery instance... | I got the answer from another website. Celeryd (daemon service for Celery) runs as a paster application, searching for 'Paster Windows Service' lead me here . It describes how to run a Pylons application as a Windows Service. Being new to paster framework and hosting python web services, it didn't cross my mind to chec... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9378932', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/210634/']} | jdg_277823 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2939445 |
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:
Consider the following property: $\mathbb R$ is a connected space, but $\mathbb R\setminus \{p\}$ is disconnected for every $p\in \mathbb R$ . $S^1$ is a connected space... | If I did not make any mistake, 3-flimsy spaces does not exist. You can check this link for my proof and some other results about 2-flimsy spaces. Without giving all the details, here are the big steps of the proof: First, we show that if $X$ is a 2-flimsy space and $x\neq y\in X$ , then $X\backslash\{x,y\}$ has exactly... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2939445', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/485123/']} | jdg_220638 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2620313 |
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 C++ shared library that uses ZeroC's Ice library for RPC and unless we shut down Ice's runtime, we've observed child processes hanging on random mutexes. The Ice r... | Congratulations, you found a defect in the standard. pthread_atfork is fundamentally unable to solve the problem it was created to solve with mutexes, because the handler in the child is not permitted to perform any operations on them: It cannot unlock them, because the caller would be the new main thread in the newly ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2620313', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/80731/']} | jdg_221296 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4302213 |
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 $R,S$ be rings and $\varphi : R\to S$ be a ring homomorphism. Verify that $\varphi(na) = n\varphi(a)$ for all $n\in\mathbb Z$ and $a\in R$ . $\varphi(a^n) = (\varphi... | For the first property,use induction to show that $\phi(na) = n\phi(a)$ for all $a$ and $n\geq 0$ .This is actually what you have done. For negative $n$ one must be careful.For $n>0$ put $(-n)a = -(na)$ , which is the additive inverse of $na$ .This part is then true simply by definition. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/4302213', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/888797/']} | jdg_326104 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 228540 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I know this probably has been discussed somewhere else, but I have not been able to find an explicit answer. I am trying to use the formula $R^2 = 1 - SSR/SST$ to calcu... | First of all is need to say that for prediction evaluation, then out of sample , the usual $R^2$ is not adequate. It is so because the usual $R^2$ is computed on residuals , that are in sample quantities. We can define: $R^2 = 1 – RSS/TSS$ RSS = residual sum of square TSS = total sum of square The main problem here is... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/228540', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/126800/']} | jdg_186420 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 384971 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm setting up a docker container and there are two places where the timezone are set: /etc/localtime /etc/timezone Can anybody explain me what's the difference between ... | /etc/timezone is a text-based representation of what timezone you are in. This could be expressed as an offset from GMT/UTC, but more often it's the path under /usr/share/zoneinfo that points to the appropriate timezone data file (for example, if you're in most places in the Eastern US, this will be America/New_York o... | {} | {'log_upvote_score': 5, 'links': ['https://unix.stackexchange.com/questions/384971', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/243135/']} | jdg_329158 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3299739 |
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 $f : (X, A) → (Y, B)$ be a map such that both $f : X → Y$ and $f : A → B$ arehomotopy equivalences. Show that $f_∗ : H_n(X, A) → H_n(Y, B)$ is an isomorphismfor all ... | It is not necessarily true that $f$ is a homotopy equivalence of pairs--the homotopy $fg\simeq Id_Y$ may not map $B$ to itself at all times, for instance. (We know that there does exist a homotopy $fg\simeq Id_B$ restricted to $B$ , but that homotopy need not be the restriction of our homotopy on all of $Y$ .) Instead... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3299739', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/425181/']} | jdg_85484 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 103645 |
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:
I understand that SSL/TLS provides confidentiality and integrity. But does it provide non-repudiation? I read in one book it does not. But I wonder why? What does it... | Update 2017-11-05: "TLS-N" and others I only recently learned of the existence of a new project. Some guys from the university of Zürich are working on something called "TLS-N" which is dedicated to bringing non-repudiation to TLS. There is no RFC that I know of yet. But they have a white paper. I'm not sure when/if we... | {} | {'log_upvote_score': 5, 'links': ['https://security.stackexchange.com/questions/103645', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/43450/']} | jdg_290004 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1692631 |
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 can you show that$$ \binom{2n}{n}^2 = \sum_{m=0}^{n} \binom{2n}{2m} \binom{2m}m \binom{2n-2m}{n-m} $$? I was fooling around with random walks, and apparently both ex... | $$\binom{2n}{n}^2 = \sum_{m=0}^{n} \binom{2n}{2m} \binom{2m}m \binom{2n-2m}{n-m}$$Consider the right hand side terms.$$\binom{2n}{2m} \binom{2m}m \binom{2n-2m}{n-m} = \frac{(2n)!}{(2m)!(2n-2m)!}\frac{(2m)!}{m!m!} \frac{(2n-2m)!}{(n-m)!(n-m)!} = \frac{(2n)!}{m!m!(n-m)!(n-m)!} = \frac{(2n)!}{n!n!}\frac{n!}{m!(n-m)!}\fra... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1692631', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/220076/']} | jdg_119881 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3435677 |
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:
This question arose from a statement from Munkres Section 69 that is seeming contradictory to his definition of free group. He defines the free group in the following wa... | When we say "the free group on $\{a_\alpha\}$ ", it means that you have to treat the $a_\alpha$ as abstract symbols, forgetting for a second that they are elements of the group $G$ . So the group $F$ is a free group with generators $a_\alpha$ , but the product is completely different from the product in $G$ . It does n... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3435677', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/502975/']} | jdg_357710 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2306309 |
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:
Induction on $n$: If $n=1$, then $A_{n+2}=A_{3} \simeq \mathbb{Z}_3$ has subgroup $1 \simeq S_n = S_1$. Assume for some $n>1$, $S_n \simeq H$ for some $H \leq A_{n+2}$. ... | Send $\sigma \mapsto \sigma$ if $\sigma$ is an even permutation. Let $\tau = (n+1 \, \, \, n+2)$ and send $\sigma \mapsto \sigma \tau $ for odd $\sigma$. This injects $S_n \to A_{n+2}$ and is a homorphism. | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/2306309', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/450961/']} | jdg_156434 | PrimeIntellect/stackexchange-question-answering |
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