source
string
task_type
string
in_source_id
string
instruction_seed
string
gold_standard_solution
string
verification_info
string
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string
problem_id
string
_source
string
stackexchange
llm_judgeable_groundtruth_similarity
29233247
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 started using Swift to build OS X apps and I am wondering how I could implement a drag-and-drop zone. More specifically, I built an app that processes images but, ...
Here's an example I'm using in an application. Add conformance to NSDraggingDestination to your subclass declaration if necessary (not needed for NSImageView because it already conforms to the protocol) Declare an array of accepted types (at least NSFilenamesPboardType ) Register these types with registerForDraggedType...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/29233247', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4613987/']}
jdg_347577
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
1348095
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: It doesn't seem like it would be too hard to implement in assembly. gcc also has a flag (-fnested-functions) to enable their use. Now provide the response and nothing else.
It turns out they're not actually all that easy to implement properly. Should an internal function have access to the containing scope's variables?If not, there's no point in nesting it; just make it static (to limit visibility to the translation unit it's in) and add a comment saying "This is a helper function used on...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1348095', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/97094/']}
jdg_245381
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
137573
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've been asked to show the following: For a vector field $V$ on a semi-Riemannian manifold with metric $g$ that $$Div \cdot V = \frac{1}{\sqrt{\det(g)}}\partial_i\left(...
Let's work backwards. The product rule gives$$\begin{align*}\frac{1}{\sqrt{\det g}}\partial_i\left(\sqrt{\det g}\,V^i \right) & = \frac{1}{\sqrt{\det g}}\left[ \sqrt{\det g}\ \partial_iV^i + \partial_i\left(\sqrt{\det g}\right)V^i \right] \\& = \partial_iV^i + \frac{1}{\sqrt{\det g}}\partial_i\left(\sqrt{\det g}\right)...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/137573', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/21200/']}
jdg_266678
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
19959746
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 very large genotype files that are basically impossible to open in R, so I am trying to extract the rows and columns of interest using linux command line. Rows are str...
If the command should work with both tabs and spaces as the delimiter I would use awk : awk '{print $100,$101,$102,$103,$104,$105}' myfile > outfile As long as you just need to specify 5 fields it is imo ok to just type them, for longer ranges you can use a for loop: awk '{for(i=100;i<=105;i++)print $i}' myfile > outfi...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/19959746', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1815498/']}
jdg_120009
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
456912
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 finished the first chapter of the book Introduction to Set Theory by Jech (I started to love). And I have questions of some exercises where I'm not totally sure if my ...
Consider the auxiliary function $$g(x):={f(x)-f(a)\over x-a} \quad(a<x\leq b), \quad g(a):=0\ .$$ Then $g$ is continuous on $[a,b]$ and differentiable in $(a,b)$ . One computes $$g'(x)={(x-a) f'(x)-\bigl(f(x)-f(a)\bigr)\over (x-a)^2}\qquad(0<x\leq b)\ .$$ If $g(b)=0$ , then this is a consequence of Rolle's Theorem. If ...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/456912', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/84164/']}
jdg_360209
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2336877
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 we have the following nth order homogeneous linear differential equation,$$a_0\frac{d^ny}{dx^n}+a_1\frac{d^{n-1}y}{dx^{x-1}}+...+a_{n-1}\frac{dy}{dx}+a_ny=0$$, $...
The endpoints of the integration range depend on $a$, too, so you have to be careful in applying the fundamental theorem of Calculus. We have $$ I(a) = \int_{0}^{1/a}(a^3+4x-a^5 x^2)e^{ax}\,dx \stackrel{x\mapsto z/a}{=} \int_{0}^{1}\left(a^2+\frac{4z}{a^2}-a^2 z^2\right)e^z\,dz \tag{1}$$hence$$ I(a) = \frac{4+a^4}{a^2}...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2336877', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/449016/']}
jdg_254174
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
3169846
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: The theorem states If a continuous map $f\,:\,A\to\Bbb R$ with $A$ a closed subset of the normal topological space $X$ carries the standard topology, some continuous ex...
It's clear that the Tietze extension theorem implies Urysohn's lemma: if $A$ and $B$ are disjoint closed sets of a normal space $X$ , define $f: A \cup B \to \mathbb{R}$ by $$f(x)=\begin{cases}0 & x \in A\\1 & x \in B\end{cases}$$ and note that $A\cup B$ is closed in $X$ and $f$ is continuous (the gluing lemma for clos...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3169846', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/640344/']}
jdg_243310
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
1831382
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Assume the possible outcome of a die thrown is one of {1,2,3,4,5,6} When two dice are thrown three times , I want to collect random outcomes from two dice. My implementation ...
This happens because you are creating two Random objects effectively instantaneously. By default, they are seeded using a time based value, most likely Environment.TickCount , though I haven't seen this confirmed. Constructing one Random before your query will solve this, as will seeding the two objects separately: var...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1831382', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/215675/']}
jdg_311575
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
41343531
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 building an app using Django 1.10 as backend. Is it possible to set a model field's default relative to another model from the same instance? I specifically need to set ...
You cannot assign a default value on a field dependent on another before having a model instance. To achieve the same you can override the save() method of the model: class SomeModel(models.Model): ... def save(self, *args, **kwargs): self.second_visit = self.first_visit + datetime.timedelta(weeks=3) ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/41343531', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1581803/']}
jdg_102304
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
15637556
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 new to c++ and I'm having difficulties with constructor and classes. So, here is my header file: #pragma once#include <string>using namespace std;class test{ private: ...
I imagine you're coming from a Java/C# background. t is not a reference type here, it's a value type. new returns a pointer to an object. So you need any of the following: test t = test("rrr", 8);test t("rrr", 8);test *t = new test("rrr", 8); If you're not yet familiar with pointers, then definitely don't use the last...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/15637556', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1515865/']}
jdg_381327
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
30147165
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 3.4, I am typing [] = "" and it works fine, no Exception is raised. Though of course [] is not equal to "" afterwards. [] = () also works fine. "" = [] raises an ex...
You are not comparing for equality. You are assigning . Python allows you to assign to multiple targets: foo, bar = 1, 2 assigns the two values to foo and bar , respectively. All you need is a sequence or iterable on the right-hand side, and a list or tuple of names on the left. When you do: [] = "" you assigned an emp...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/30147165', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4676759/']}
jdg_125200
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
1650415
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Why do we need the html5 canvas element, when the same can be achieved through embedded svg? Now provide the response and nothing else.
SVG and canvas aren't really interchangeable technologies. SVG is a type of retained mode graphics where everything is drawn from a rather abstract model (the SVG document). Canvas on the other hand is a kind of immediate mode graphics, where there is no model and the client (JavaScript) must take care of redrawing, an...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1650415', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/78374/']}
jdg_281287
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
54925
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: EDIT : Impact of this problem has been considerably lessened in v10.2. Although new version is still not performing analytical discretization at sharp corners (th...
In principal you should be able to do r = RegionDifference[Ball[{0, 0, 0}], Ball[{0, 0, 1}]];rp = RegionPlot3D[r, PlotPoints -> 50];DiscretizeGraphics[rp] Unfortunately, this does not work and is hopefully improved in a future version. One thing you can do, however, is use the finite element mesh generator for this: Ne...
{}
{'log_upvote_score': 5, 'links': ['https://mathematica.stackexchange.com/questions/54925', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/3056/']}
jdg_292188
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
192452
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: That is, why is $\varphi(AB)=\varphi(A)\varphi(B)$ , if $A$ and $B$ are two coprime positive integers? It's not just a technical trouble—I can't see why this should be, ...
In general, if $R$ and $S$ are rings, then $R\times S$ is a ring. The units of $R\times S$ are the elements $(r,s)$ with $r$ a unit of $R$ and $s$ a unit of $S$. If $R$ and $S$ are finite rings, the number of units in $R\times S$ is therefore the number of units in $R$ times the number of units in $S$. Now if $\gcd(A,...
{}
{'log_upvote_score': 7, 'links': ['https://math.stackexchange.com/questions/192452', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/39568/']}
jdg_228601
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
3620565
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: I have been told $a \cdot b = a^Tb$ If dot product is commutative, then $a \cdot b = a^Tb = b \cdot a = b^Ta$ So we get $a^Tb = b^Ta$ . A contradiction to matrix multipl...
Matrix multiplication is not commutative in general . In Mathematics, "in general it is not..." means: "there are cases in which it is not..."; it does not mean "in all cases it is not...".Sure, there are pair of matrices whose product is the same whatever is the order in the product. However, your case is different: y...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3620565', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/134552/']}
jdg_131691
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
20127357
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 well aware that in C++, what delete[] is to new[] , delete is to new . This is not about C++ syntax. I am wondering about the reasons delete[] was defined as something di...
In principle, these could be implemented in the same way. However, there's a cost to storing the number of elements somewhere, iterating over those elements, and calling the destructor on each (both in terms of time and in terms of space.) One of the core philosophies of C++ is "don't pay for what you don't use." Since...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/20127357', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2540407/']}
jdg_336832
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
10246
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would. Question: There is a model category structure on Set in which the cofibrations are the monomorphisms, the fibrations are maps which are either epimorphisms or have empty domain, and the...
Indeed, COSHEP (more traditionally called the "presentation axiom" by constructivists) does seem to be what you need in order to get a model structure on Set, or Cat. That's true in a lot of similar cases: cofibrant objects are always "projective" in some sense, and you can't expect to get many projective objects in a...
{}
{'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/10246', 'https://mathoverflow.net', 'https://mathoverflow.net/users/126667/']}
jdg_358999
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2845598
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 MonoDevelop I have the following code which compiles: int[] row = new int[indices.Count]{}; However, at run-time, I get: Matrix.cs(53,53): Error CS0150: A constant value ...
You can't mix array creation syntax with object initialization syntax. Remove the { } . When you write: int[] row = new int[indices.Count]; You are creating a new array of size indices.Count initialized to default values. When you write: int[] row = new int[] { 1, 2, 3, 4 }; You are creating an array and then initializ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2845598', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/210709/']}
jdg_270208
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
23157613
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: How do I modify the following code so that when run in zsh it expands $things and iterates through them one at a time? things="one two"for one_thing in $things; do echo $o...
In order to see the behavior compatible with Bourne shell, you'd need to set the option SH_WORD_SPLIT : setopt shwordsplit # this can be unset by saying: unsetopt shwordsplitthings="one two"for one_thing in $things; do echo $one_thingdone would produce: onetwo However, it's recommended to use an array for produ...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/23157613', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/875915/']}
jdg_351511
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
14317341
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 our DB access layer we have some dynamic query creation. For instance, we have the following method for building a part of an ORDER BY clause: protected string BuildSortSt...
If you have to deal in strings, then white-listing is your best bet. Firstly, sortDirection should be pretty trivial to white-list: a case-insensitive compare to "asc" / "desc" and you should be set. For the others, my preference would be to white-list to known columns , perhaps by passing in the expected Type for the ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14317341', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/728795/']}
jdg_322615
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
472578
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I'm using this code to reset the identity on a table: DBCC CHECKIDENT('TableName', RESEED, 0) This works fine most of the time, with the first insert I do inserting 1 into th...
As you pointed out in your question it is a documented behavior . I still find it strange though. I use to repopulate the test database and even though I do not rely on the values of identity fields it was a bit of annoying to have different values when populating the database for the first time from scratch and after ...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/472578', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/47437/']}
jdg_281685
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
14714848
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 new to Laravel and using PHP namespaces in general. I didn't run into any problems until I decided to make a model named File. How would I go about namespacing correctly ...
Namespacing is pretty easy once you get that hang of it. Take the following example: app/models/File.php namespace App\Models;class File { public function someMethodThatGetsFiles() { }} app/controllers/FileController.php namespace App\Controllers;use App\Models\File;class FileController { public function so...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/14714848', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2030045/']}
jdg_121326
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4341638
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: After cding to my folder I enter python -m SimpleHTTPServer and get Serving HTTP on 0.0.0.0 port 8000 ... in reply. But when I hit http://0.0.0.0:8000/test.html I get a page ...
I think the other two answers are trying to make it clear that 0.0.0.0 is not the URL you should be visiting. When a Python web server (like cherrypy for instance) says it is serving on 0.0.0.0 it means it is listening for all TCP traffic that ends up at that machine no matter the hostname or IP that was requested. But...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4341638', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/116085/']}
jdg_90364
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
80909
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 just installed a pxe server, and i'm installing debian with pxe . completely unattended with preseeding. Now, all my installations come with the same hostname, how I can chan...
One simple way that comes to mind without setting up things in DHCP. Assuming there is a web site you can add files to. Place the hostnameinside a file based on the Mac. Then retrieve it with wget. e.g.: mac=`ifconfig eth0 | grep HWaddr | sed 's/^.*HWaddr //; s/://g'`wget -O hostname.txt http://www.example.com/$macho...
{}
{'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/80909', 'https://serverfault.com', 'https://serverfault.com/users/24812/']}
jdg_226084
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
138309
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I have made a SVG image, or more like mini application, for viewing graphs of data. I want to include this in a HTML page, and call methods on the SVG image. Example: <object...
Solution: in svg: <script>document.method = function() {}</script> in html (using prototype to add event listeners): <script>$("img").observe("load", function() {$("img").contentDocument.method()}); You need to listen to the load event on the image. Once the image is loaded, you can use the element.contentDocument to a...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/138309', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3355/']}
jdg_303118
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
353405
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 am trying to install plexmediaplayer from source. This involves compiling libmpv.so.1 which I've done and installed under /usr/local/lib When I run plexmediaplayer, I ...
A \<new line> is not the correct way to get a <new line> in the history. Memory Lets deal only with history lines as they are kept in shell memory (not disk). Lets type a couple of commands as you did: $ echo -n "this is a test for a ";\> echo "two line command" What was stored in memory as the line just written? $ his...
{}
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jdg_331173
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2117208
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: I'm having difficulties proving the divergence of the series $$\sum_{n=1}^\infty\frac{1}{\log(1+e^n)}.$$ Wolfram|Alpha suggest to use the Comparison test. I tried to loo...
Writing $1+e^n=e^n(1+e^{-n})$, we have$$ \log(1+e^n)=n+\log(1+e^{-n})\leq n+\log 2\leq 2n $$for all $n\geq 1$. Therefore$$ \frac{1}{\log(1+e^n)}\geq \frac{1}{2n} $$and hence $\sum_{n=1}^{\infty}\frac{1}{\log(1+e^n)}$ diverges by comparison with the harmonic series.
{}
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jdg_171648
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
28000623
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 animation that I want to play flipped if the user presses the 'A' key on their keyboard. The animation is facing right in the file and is played normally until I tr...
The problem is here: if(getDirection() == Direction.LEFT) { currentFrame.flip(true, false);} The flip method permanently flips the original TextureRegion that the Animation class is referencing. So you either need to make sure you flip it back each time after flipping and drawing it, or do this, which I think is sim...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/28000623', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1988708/']}
jdg_171105
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
20718592
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Code: call.getUserId().equals(ITConstants.SPECIALID)public static final Integer SPECIALID= 0; POJO: public class ImCall implements java.io.Serializable {private Integer userI...
Well you have some weird wishes here so let me explain you what those positions really mean in CSS and how they work, using position: relative; is just like using static position , the difference is making an element position: relative; , you will be able to use top , right , bottom and left properties, though the elem...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/20718592', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2859238/']}
jdg_106386
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
7144844
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 fetch data from this web page central bank of armenia In my html form user must insert the price of his supply. He/she selects the currency (USD, EUR or AMD) and t...
I normally don't do end-solutions in Q&A forums, but let it be, you challenged me :) $content = file_get_contents("http://www.cba.am/am/SitePages/Default.aspx");preg_match('#<b>USD</b>(.*)<em class="w_50">([0-9\.]*)</em><em class="w_50">([0-9\.]*)</em>#Uis', $content, $USDmatch);preg_match('#<b>EUR</b>(.*)<em class="w_...
{}
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jdg_209356
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
9153445
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 website in the iframe isn't located in the same domain , but both are mine, and I would like to communicate between the iframe and the parent site. Is it possible? Now p...
With different domains, it is not possible to call methods or access the iframe's content document directly. You have to use cross-document messaging . parent -> iframe For example in the top window: myIframe.contentWindow.postMessage('hello', '*'); and in the iframe: window.onmessage = function(e) { if (e.data == '...
{}
{'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/9153445', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1091828/']}
jdg_289806
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
17341946
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 number of EditText elements in my page along with two buttons. I want the user to touch on any one EditText field and click any button to insert a certain value into...
You can use View.OnFocusChangeListener to detect if any view (edittext) gained or lost focus. for (EditText view : editList){ view.setOnFocusChangeListener(focusListener);}....private OnFocusChangeListener focusListener = new OnFocusChangeListener() { public void onFocusChange(View v, boolean hasFocus) { if...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/17341946', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2504073/']}
jdg_311791
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
28918519
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 Spring REST application which at first was secured with Basic authentication. Then I added a login controller that creates a JWT JSON Web Token which is used in subs...
Assuming 100% TLS for all communication - both during and at all times after login - authenticating with username/password via basic authentication and receiving a JWT in exchange is a valid use case. This is almost exactly how one of OAuth 2's flows ('password grant') works. The idea is that the end user is authentic...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/28918519', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/958373/']}
jdg_370568
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
285735
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 am running ubuntu xenial 16.04 We are using openvpn to connect to a virtual private cloud. That cloud has it's own DNS server (as does our local route - home or office...
The OpenVPN package has a script for this in /etc/openvpn/update-resolv-conf . You need to configure it with: script-security 2up /etc/openvpn/update-resolv-confdown /etc/openvpn/update-resolv-conf This will fetch the DNS server addresses from the dhcp-option DNS options passed by the OpenVPN peer/server and configure ...
{}
{'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/285735', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/90040/']}
jdg_263734
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
507717
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: There are 3 guys, Mr. Honest, that always give the truth answer; Mr. Liar, that always give the false answer; and Mr. Drunk, that gives a random number. Now: allow you t...
Ask Person 1 "Is Person 2 more likely to be truthful that Person 3?" If the answer is "Yes" then Person 3 is not Mr Drunk, if "No" then Person 2 is not Mr Drunk. Identify this non-Drunk as ND1, and then ask ND1 a similar question about the other two to identify another non-Drunk ND2. You now know which one is Mr Drunk...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/507717', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/26632/']}
jdg_232833
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
970632
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 would like to find out how to prove the following identity, assuming it is correct: $\displaystyle\sum_{r=0}^n\binom{n}{r}\binom{m+r}{l}=\sum_{r=0}^n\binom{n}{r}\binom...
Here’s a combinatorial proof. You have $n$ women in one room and $m$ men in another. You pick $r$ of the women, move them into the room with the men, and then pick $\ell$ of the people in that room and move them to a third room. There are $$\binom{n}r\binom{m+r}\ell$$ possible outcomes, so $$\sum_{r=0}^n\binom{n}r\bino...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/970632', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/84413/']}
jdg_214664
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
46416883
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 problem with custom images on map. For example: My icons generated this way, and icon contains image: var ic = { //icon url: icon, // url scaledSize: new...
Related question: JS Maps v3: custom marker with user profile picture Using code from there, and changing the border-radius to 50%, gives me a circular icon with the image in the circle. proof of concept fiddle //adapted from http://gmaps-samples-v3.googlecode.com/svn/trunk/overlayview/custommarker.htmlfunction CustomM...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/46416883', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3908110/']}
jdg_165804
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
27169375
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 update a network graph dynamically in D3.js.Now my code is: var color = d3.scale.category20();var my_nodes = [{"cluster": 0, "x": 50, "y": 50}, {"cl...
There's no data-binding magic à la angular that's going to trigger a "redraw". Just call .data and then re-set the attributes: function update(){ nodes .attr("cx", function(d) { return d.x; }) .attr("cy", function(d) { return d.y; }) .attr("r", 5) .style("fill", function(d) { return color(d.cluster) })...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/27169375', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2500650/']}
jdg_299503
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
146677
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would. Question: newbie question. I need to build this: /shared folder ~500GB of files, ~1MB each one. Two boxes (server1 and server2) connected by a 1Gbs LAN Every box needs to get r/w access ...
Actually Gluster is perfect for this scenario. You get bi-directional replication and the ability to mount the filesystem from either machine, giving you (theoretically) twice the effective I/O capacity of NFS and active failover should one of the boxes fail. The problem with doing active rsync this way is blocking I/O...
{}
{'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/146677', 'https://serverfault.com', 'https://serverfault.com/users/44228/']}
jdg_172130
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
45145
Below is a question asked on the forum cs.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: I was reading Operating Systems by Galvin and came across the below line, Not all unsafe states are deadlock, however. An unsafe state may lead to deadlock Can someone pl...
Deadlock means something specific: there are two (or more) processes that are currently blocked waiting for each other. In an unsafe state you can also be in a situation where there might be a deadlock sometime in the future, but it hasn't happened yet because one or both of the processes haven't actually started waiti...
{}
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jdg_95243
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
51525234
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I am trying to do something like this on global scope in nodejs REPL. As per my understanding both the following statements are valid. see docs let x = await Promise.resolve(...
Update When using Node , the file currently must have an .mjs extension to work. Top level awaits can be used in browser modules. When used the script tag must include the type attribute which must be set to module : <script src="/script.js" type="module"></script> const start = Date.now()console.log('Pre call.')await ...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/51525234', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/6903290/']}
jdg_150003
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
29370360
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I am running into an issue today where all of a sudden my Elastic Beanstalk app is sending me to a 502 Bad Gateway page. Now I have run into this issue in the past and the re...
A 502 Bad Gateway error usually suggests that the proxy (Nginx in NodeJS's case) can't find a destination to route the traffic to. Looking at your original error logs, it looks like nginx is trying to go to http://127.0.0.1:8081 . But your main.js has port 8080 as the fallback unless the ENV variable PORT is set. I don...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/29370360', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1061892/']}
jdg_175637
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
1907325
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: A beginners' question about foreign key in MySQL. In w3school it says, A FOREIGN KEY in one table points to a PRIMARY KEY in another table. And also there is WHERE, WHERE id ...
It's not strictly needed for the query, it's true. It exists for several reasons: As a constraint on the table to stop you inserting something that doesn't point to anything; As a clue for the optimizer; and For historical reasons where is was more needed. (1) is probably the important one of the three. This is called ...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/1907325', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/119198/']}
jdg_319077
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
8477769
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: What unmanaged resources does it allocates that needs to be disposed? Isn't it just a simple array of managed data? So why disposing? Now provide the response and nothing e...
A mail message has attachments -> attachments are Streams -> Streams are to be disposed. Here is the decompiled Dispose method of MailMessage: protected virtual void Dispose(bool disposing) { if (disposing && !this.disposed) { this.disposed = true; if (this.views != null) ...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/8477769', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/899213/']}
jdg_107133
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
35297181
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: using Ansible I create an AMI of a ubuntu instance then using this AMI to create an Launch configuration and then update and auto scaling group, is there any shortcuts I can ...
I asked a similar question via an AWS Support ticket, here was there response: The main time consuming process when launching up a new EC2 instance is the boot process of the OS within the instance: having more or less security groups/network ACLs, different amount of SSH keypairs, and roles associated to the instan...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/35297181', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5762603/']}
jdg_152164
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
33495416
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 restrict all the requests to my Tomcat manager which don't come from my IP. So far, I found that adding a Valve to the server.xml like this: <Valve className="o...
In [tomcat]/conf/Catalina/[hostname] create a file manager.xml . So if your hostname is www.yourdomainname.com and tomcat is in opt/tomcat7/ that would be: /opt/tomcat7/conf/Catalina/www.yourdomainname.com/manager.xml In this newly created manager.xml you put the RemoteAddrValve in the Context: <Context antiResourceLoc...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/33495416', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3222913/']}
jdg_310977
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
196914
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: Using Verilog how do I synthesize the fastest leading zero count on a 64-bit number? Initially I went with a CASEX(..), with a lot of 01xxxxx, 001xxxxx lines but ...
Leading zero encoders can be made with a nice balanced tree structure. First, encode bits 2 by 2 : 00 => 10 : 2 leading zeros 01 => 01 : 1 leading zero 10 => 00 : 0 leading zero 11 => 00 : 0 leading zero Then, assemble as pairs. If both sides start with 1xxx, the result is 10...0 If the left side start with 0 the resul...
{}
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jdg_346853
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
12250191
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 buttonlistener, and when the user clicks the button I want to start a camera intent. At the moment I have this: public class ButtonListener implements View.OnClickLi...
Do not use Application context - as it will break your ActivityStack.I would recommend to add Activity parameter to this static method: public static void takePhoto(Activity activity, int requestCode){ activity.startActivityForResult(new Intent(MediaStore.ACTION_IMAGE_CAPTURE), requestCode);} Than just pass Activity ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12250191', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1271907/']}
jdg_194517
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
9180014
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I have to perform some inserts into an Oracle DB. I have some dates in the following format '23.12.2011 13:01:001' Following the documentation I wrote inserts to_date as foll...
An Oracle DATE does not store times with more precision than a second. You cannot store millisecond precision data in a DATE column. Your two options are to either truncate the string of the milliseconds before converting it into a DATE , i.e. to_date( substr('23.12.2011 13:01:001', 1, 19), 'DD.MM.YYYY HH24:MI:SS' ) o...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/9180014', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/72420/']}
jdg_367017
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
11938380
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 problem where i'm initialising a variable on the scope in a controller. Then it gets changed in another controller when a user logs in. This variable is used to cont...
You've got basically 2 options for "global" variables: use a $rootScope http://docs.angularjs.org/api/ng.$rootScope use a service http://docs.angularjs.org/guide/services $rootScope is a parent of all scopes so values exposed there will be visible in all templates and controllers. Using the $rootScope is very easy as y...
{}
{'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/11938380', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1563404/']}
jdg_353902
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
31219478
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 added pull to refresh in UITableview with two custom prototype cells ,I have tryied with these two type of code one through adding UIRefreshcontrol as a subview of tab...
Just create class called MyProgress in your package .. and paste the following code.. import android.content.Context;import android.content.res.TypedArray;import android.graphics.Canvas;import android.graphics.Paint;import android.graphics.RectF;import android.text.TextPaint;import android.util.AttributeSet;import andr...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/31219478', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2549256/']}
jdg_245281
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
6414847
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Consider this example: public interface IAnimal{}public class Cat: IAnimal{}public class DoStuff{ private Object catList = new List<Cat>(); public void Go() { ...
You can look at the properties' PropertyType , then use IsAssignableFrom , which I assume is what you want: PropertyInfo[] properties = this.GetType().GetProperties();foreach (PropertyInfo property in properties){ if (typeof(IEnumerable<IAnimal>).IsAssignableFrom(property.PropertyType)) { // Found a proper...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/6414847', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/394157/']}
jdg_298834
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
14956261
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I am using Primefaces 3.4.2. I have the following in my JSF page <p:selectOneMenu id="emp" value="#{mymb.emp.employeeName}" valueChangeListener="#{mymb.handleChange}"...
If you want to use valueChangeListener , you need to submit the form every time a new option is chosen. Something like this: <p:selectOneMenu value="#{mymb.employee}" onchange="submit()" valueChangeListener="#{mymb.handleChange}" > <f:selectItems value="#{mymb.employeesList}" var="emp" ...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/14956261', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/599528/']}
jdg_318907
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
48826490
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I am trying to make an interactive menu with jQuery for practice. So far I have my dropdown menu, and a side table with a few elements in it. So there are 4 elements in my dr...
This is because there is only a single loop variable chart , and in each iteration just a new value is assigned to it. So if you attempt to take the address of the loop variable, it will be the same in each iteration, so you will store the same pointer, and the pointed object (the loop variable) is overwritten in each ...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/48826490', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/8769474/']}
jdg_210964
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
446417
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 am parsing data from a Siglent SDS2000X oscilloscope. The first chunk ( 0x00 - 0x003 ) is for wave_length . The data sheet states that for arbitrary waveform ...
K for "thousand" pts for "points". The unit is thousands of points. How would I convert that to a wavelength unit such as meters? You can't. This is the maximum number of samples that can be used by the waveform generator function of the instrument. It isn't directly related to the wavelength of the signals the generat...
{}
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jdg_289130
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2754681
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 searching for a definitive document on Ruby syntax. I know about the definitive documents for the core API and standard library, but what about the syntax itself? For ins...
The only document that can be reasonably described as "definitive" is the source code of parse.y in the YARV source tree. The ISO Draft Specification contains a 39 page appendix with a summary of the grammar. Note, however, that ISO Ruby is a minimal subset of the intersection of Ruby 1.8 and 1.9. IOW: it doesn't descr...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2754681', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/300347/']}
jdg_354958
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
25983090
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 think it's a well-known best practice on the web to mistrust any input. The sentence "All input is evil." is probably the most cited quote with respect to input validation....
Since JSON.parse() does not run any code in the data to be parsed, it is not vulnerable the way eval() is, but there are still things you should do to protect the integrity of your server and application such as: Apply exception handlers in the appropriate place as JSON.parse() can throw an exception. Don't make assump...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/25983090', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1333873/']}
jdg_268241
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4526659
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: What does "DoEvents" do in vb6 ?Why do I get the error message "Out of stack space" ? What does it mean ? Now provide the response and nothing else.
DoEvents() allows other Windows messages to be processed. The reason you get an out of stack space error is probably because DoEvents() is allowing events to occur that call your code again, which again calls DoEvents(), and so on until the stack space, which tracks the return addresses for all these calls, has run out...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4526659', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/423903/']}
jdg_180461
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
1128385
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: Sketch the curve $y=\frac{1}{u}$ for $u > 0$. From the diagram, show that $\int\limits_1^{\sqrt{x}}\frac{du}{u}< \sqrt x-1$, for x > 1. Use this result to show that $0 <...
We have:$$I=\int_{0}^{\pi/2}e^{-\sin x}\,dx = \int_{0}^{1}\frac{e^{-t}}{\sqrt{1-t^2}}\,dt$$and since:$$e^{-t}=\sum_{k\geq 0}\frac{(-1)^k t^k}{k!},\qquad \int_{0}^{1}\frac{t^k}{\sqrt{1-t^2}}\,dt =\int_{0}^{\pi/2}\sin^k\theta\,d\theta=\frac{\Gamma\left(\frac{1}{2}\right)\Gamma\left(\frac{k+1}{2}\right)}{2\,\Gamma\left(\f...
{}
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jdg_108864
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
56075639
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Issue: All labels are getting printed when setting the rotation for the x-axis label using set_xticklabels . Code winner_freq = pd.DataFrame(player_match.winner.value_counts(...
This is not really a mistake, but rather, a characteristic of matplotlib , which seaborn uses. Most of its functions return values that in some way represent the computations that they have performed. In this case, set_xticklabels modifies the tick labels , which are drawn with Text objects. It is those Text objects, c...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/56075639', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4913153/']}
jdg_95101
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
22031
Below is a question asked on the forum mechanics.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: (This isn't a "maintenance & repair" question, I hope you'll forgive me.) When powerful electric cars (such as, but not only, the Tesla) can accelerate from zero to...
It's not so much that the motors can't brake like mad. It's as you hint at yourself that any auto-mobile that is required to be fully road legal needs two completely separate systems for braking, in case one of them fails. It's why even the most automated gas-fuelled cars still had a hand-brake type system. It originat...
{}
{'log_upvote_score': 4, 'links': ['https://mechanics.stackexchange.com/questions/22031', 'https://mechanics.stackexchange.com', 'https://mechanics.stackexchange.com/users/6473/']}
jdg_76434
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
935877
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 a really easy question, but I'm stuck in the logic of it... Let $F$ be an integral domain and $F[x]$ its polynomial ring. Let $a\in F$ fixed, define $\phi: F[x]\...
Here is a modified version of a proof I found on an old website, the link to which seems to have expired: Let $f(x) = a_nx^n + \ldots + a_0x^0$ , and $g(x) = b_nx^n+ \ldots + b_0x^0$ , where the $a_i,b_i ∈ \mathbb F$ , and let $\alpha \in \mathbb{F}$ be the field element we wish to evaluate the polynomials on. (We'll a...
{}
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jdg_237252
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
296709
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: It's always been known that Disk operations are slow and we know the reasons why they are slow.So the question here is why do we have to wait for I/O or w...
It's possible to write asynchronous IO where you tell the OS to dispatch a disk read/write and then go do something else and then later check if it's done. It's far from new. An older method is using another thread for the IO. However that requires that you have something to do while that read is being executed and you...
{}
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jdg_77570
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
64225335
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 multiple Cloudfront distributions pointing to a single S3 Bucket to create different URLs. Now when I deploy it is difficult to clear cache of all the buckets manually o...
https://stackoverflow.com/a/64264887/5773416 While this solution is not exactly what I wanted it helped me to find the exact answer. I'm posting my answer which finally helped me achieve this. aws cloudfront list-distributions --query "DistributionList.Items[*].{id:Id,origin:Origins.Items[0].Id}[?origin=='S3-BUCKET_NAM...
{}
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jdg_144972
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
423238
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 $n$ , what is the smallest value $\delta_n$ satisfying the following: For any group of $n$ runners with constant but distinct speeds,starting from the same point and run...
OK, since Will thinks it is worth posting, here it goes. This is not an answer, just setting up the triviality level. As usual, the circle will be identified with $\mathbb R/\mathbb Z$ . Let $\psi$ be the piecewise linear $1$ periodic function that is $0$ at $0$ , raises to $1$ at $\delta/2$ , drops down to $0$ at $\de...
{}
{'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/423238', 'https://mathoverflow.net', 'https://mathoverflow.net/users/482790/']}
jdg_362871
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
7486836
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: What is the difference between mysql_real_query and mysql_query ? I've made a quick google search but could not find any link that shows the difference between the two. Now ...
mysql_real_query() doesn't exist in PHP. However, mysqli_real_query() exists. According to the official MySQL manual (the C API): http://dev.mysql.com/doc/refman/5.0/en/mysql-real-query.html mysql_query() cannot be used for statements that contain binary data; you must use mysql_real_query() instead. (Binary data may c...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/7486836', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/697529/']}
jdg_90499
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
28237952
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 AngularJS service which communicates with the server and returns translations of different sections of the application: angular .module('utils') .service('T...
Let me show you my approach. There is a working plunker Let's have a translation.json like this: { "home" : "trans for home", "parent" : "trans for parent", "parent.child" : "trans for child"} Now, let's introduce the super parent state root $stateProvider .state('root', { abstract: true, template: '<div ui-v...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/28237952', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3174320/']}
jdg_80954
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
110941
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 recovering the HDD from my laptop that died (wouldn't boot up at all, Disk Utility reported that there were no problems, but wouldn't mount the disk). I've hooked up...
This would seem to just been how ddrescue & USB transfers work under OSX. From this thread titled: Subject: [Bug-ddrescue] ddrescue 10x slow under osx . when working on fully functional hard drives, under linux it performs full i/o speed. when compiled under osx with the default compile flags, it is magnitude times s...
{}
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jdg_229519
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
39501
Below is a question asked on the forum politics.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: The US Supreme Court ruled in Town of Castle Rock v. Gonzales and DeShaney v. Winnebago County that the police could not be sued for failing to protect citizens, as ...
Broadly speaking no. In most legal systems governments (and those acting as agents of the government) are protected by a doctrine known as "Sovereign Immunity". Basically the government can't be sued unless they agree to be allowed to be sued (normally by a law that permits the government to be sued or via a contract...
{}
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jdg_102224
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
53325650
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 list of map entries Map<String, Integer> map = new HashMap<>();...(fill the map)...List<Entry<String, Integer>> entries = new ArrayList<>(map.entrySet()); and I want...
The compiler is not clever enough to infer the generic type parameters in this case. You can specify them explicitly: entries.sort(Entry.<String, Integer>comparingByValue().reversed()); The issue is that you first need the type of the comparator returned by comparingByValue to know the type of the one returned by rever...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/53325650', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/9772691/']}
jdg_150713
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
8509152
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 many goroutines can I use painless? For example wikipedia says, in Erlang 20 million processes can be created without degrading performance. Update: I've just investigate...
If a goroutine is blocked, there is no cost involved other than: memory usage slower garbage-collection The costs (in terms of memory and average time to actually start executing a goroutine) are: Go 1.6.2 (April 2016) 32-bit x86 CPU (A10-7850K 4GHz) | Number of goroutines: 100000 | Per goroutine: | Memory:...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/8509152', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/892936/']}
jdg_101152
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
13675782
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: When creating a diff patch with Git Shell in Windows (when using GitHub for Windows ), the character encoding of the patch will be UCS-2 Little Endian according to Notepad++ ...
I'm not a Windows user, so take my answer with a grain of salt. According to the Windows PowerShell Cookbook , PowerShell preprocesses the output of git diff , splitting it in lines. Documentation of the Out-File Cmdlet suggests, that > is the same as | Out-File without parameters. We also find this comment in the Powe...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/13675782', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/517705/']}
jdg_149474
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
16879971
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 learn how to use QThreads in a PyQt Gui application. I have stuff that runs for a while, with (usually) points where I could update a Gui, but I would like to s...
Here is a working example of a separate worker thread which can send and receive signals to allow it to communicate with a GUI. I made two simple buttons, one which starts a long calculation in a separate thread, and one which immediately terminates the calculation and resets the worker thread. Forcibly terminating a t...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/16879971', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/962918/']}
jdg_373065
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
630966
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: Most universities have a 3rd year undergraduate analysis course in which metric spaces are studied in depth (compactness, completeness, connectedness, etc...). However, ...
You write in a comment that metric spaces "don't come up very much in practice".This is not true (although may reflect the mathematics you have seen so far). Metric spaces (and, more generally, topological spaces) occur all over the place. I am a working number theorist, and I use the concepts of topology (in all kind...
{}
{'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/630966', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/49330/']}
jdg_152689
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
6164629
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 bottom-up approach (to dynamic programming) consists in first looking at the "smaller" subproblems, and then solve the larger subproblems using the solution to the smalle...
rev4: A very eloquent comment by user Sammaron has noted that, perhaps, this answer previously confused top-down and bottom-up. While originally this answer (rev3) and other answers said that "bottom-up is memoization" ("assume the subproblems"), it may be the inverse (that is, "top-down" may be "assume the subproblems...
{}
{'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/6164629', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/680850/']}
jdg_311495
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
101595
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've tried really hard to understand the basic operational principle of a transistor. I've referred to many books and been to forums but have never got a convinci...
When electrons flow through a forward-biased diode junction, such as the base-emitter junction of a transistor, it actually takes a non-zero amount of time for them to recombine with holes on the P side and be neutralized. In an NPN transistor, the P-type base region is constructed so as to be so narrow that most of th...
{}
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jdg_360172
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
8627986
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 simple python server and client. Server: import SocketServerimport threadingclass MyTCPHandler(SocketServer.BaseRequestHandler): def handle(self): self.data ...
A MyTcpHandler object is created for each connection, and handle is called to deal with the client. The connection is closed when handle returns, so you have to handle the complete communication from the client within the handle method: class MyTCPHandler(SocketServer.BaseRequestHandler): def handle(self): w...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/8627986', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/204623/']}
jdg_302963
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
73982
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: jor1k ships a vmlinux.bin . I think there is an initrd inside, cause I don't know where else it would be. I am trying to extract the filesystem image so I can change it,...
You can look for the cpio newc header (starting with 0707010 ): $ grep -abo 0707010 vmlinux.bin | head -n12531404:0707010 The -a (for a ll files even binary ones), -b (for b yte offset), and -o (for o nly the matching part (and report the byte offset of the matching part instead of the line containing the matching part...
{}
{'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/73982', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/14305/']}
jdg_321604
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
6131421
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 attempting to add a new foreign key to one of my tables as such: ALTER TABLE `UserTransactions`.`ExpenseBackTransactions` ADD CONSTRAINT `FK_EBTx_CustomAccountID` ...
There's a nice checklist here . Below is a running list of known causes that people have reported for the dreaded errno 150: The two key fields type and/or size is not an exact match. For example, if one is INT(10) the key field needs to be INT(10) as well and not INT(11) or TINYINT. You may want to confirm the field s...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/6131421', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/48832/']}
jdg_123306
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2276
Below is a question asked on the forum hermeneutics.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: I also asked this here , but I think it fits better in Biblical Hermeneutics after thinking about it. Genesis 4:23-24 (NIV) 23 Lamech said to his wives, “Adah an...
While we do not know the identity of the man killed, we see here Lamech's (perverted) idea of justice. From the NET Bible sn Seventy-seven times. Lamech seems to reason this way: If Cain, a murderer, is to be avenged seven times (see v. 15), then how much more one who has been unjustly wronged! Lamech misses the poin...
{}
{'log_upvote_score': 4, 'links': ['https://hermeneutics.stackexchange.com/questions/2276', 'https://hermeneutics.stackexchange.com', 'https://hermeneutics.stackexchange.com/users/444/']}
jdg_94321
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
355496
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would. Question: Conway made the comment that the Monster group represents the symmetries of a shape in 196,883 dimensions, something like a "star you hang on a Christmas tree."My question is,...
In the penultimate chapter of Sphere Packings, Lattices and Groups , the authors define a $196884$ -dimensional real vector space and a faithful representation of the Monster group on that space. Now, because we know the degrees of the irreducible representations of the Monster, this representation must necessarily dec...
{}
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jdg_100038
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
40813975
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I'm currently working on a new Vue.js application. It depends heavily on api calls to my backend database. For a lot of things I use Vuex stores because it manages shared dat...
I am using axios as HTTP client for making api calls, I have created a gateways folder in my src folder and I have put files for each backend, creating axios instances , like following myApi.js import axios from 'axios'export default axios.create({ baseURL: 'http://localhost:3000/api/v1', timeout: 5000, headers: { ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/40813975', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/881988/']}
jdg_376424
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
3522090
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 writing a Greasemonkey script for a site which at some point modifies location.href . How can I get an event (via window.addEventListener or something similar) when windo...
popstate event : The popstate event is fired when the active history entry changes. [...] The popstate event is only triggered by doing a browser action such as a click on the back button (or calling history.back() in JavaScript) So, listening to popstate event and sending a popstate event when using history.pushState...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/3522090', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/14337/']}
jdg_82512
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
45588754
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 creating a update form. In this when i click on update button i got same values every time that's why update functionality is not working. I already tried to get values ...
After some investigation I found out that the callbacks being passed to TThread.CurrentThread.ForceQueue in TStyledControl.KillResourceLink are never executed because before any thread can handle them the application is ending and the TThread class destructor is destroying the list that still has unhandled callbacks. I...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/45588754', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3608987/']}
jdg_274317
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
24936330
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 data frame with a dot-separated character column: > set.seed(310366)> tst = data.frame(x=1:10,y=paste(sample(c("FOO","BAR","BAZ"),10,TRUE),".",sample(c("foo","bar","...
You can use separate() from tidyr in combination with dplyr : tst %>% separate(y, c("y1", "y2"), sep = "\\.", remove=FALSE) x y y1 y21 1 BAR.baz BAR baz2 2 FOO.foo FOO foo3 3 BAZ.baz BAZ baz4 4 BAZ.foo BAZ foo5 5 BAZ.bar BAZ bar6 6 FOO.baz FOO baz7 7 BAR.bar BAR bar8 8 BAZ.baz BAZ baz9 9 FO...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/24936330', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/211116/']}
jdg_273371
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4700225
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 programming a radio streaming app. I run the "radio playing" as a remote Service by using AIDL interface technique to communicate with the Service. But I don't really und...
In AIDL , the out tag specifies an output-only parameter. In other words, it's a parameter that contains no interesting data on input, but will be filled with data during the method. For example, a method that copies an array of bytes might be specified like this: void copyArray(in byte[] source, out byte[] dest); The ...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4700225', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/566096/']}
jdg_294434
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
5032841
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I can't seem to understand why I should be happy with HTML5 allowing custom attributes? Why would I use them? Now provide the response and nothing else.
I assume you're referencing the HTML5 [data-*] attributes. The advantage is that you can easily associate some scripting data (still semantic, but not for display) with your elements without having to insert inline javascript all over the place, and it will be valid HTML5. To do the same thing in HTML4 would require sp...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5032841', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/66158/']}
jdg_99518
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
100537
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: In our Delphi 2007 application we are using a lot of the following constructs FdmBasic:=TdmBasicData(FindOwnerClass(AOwner,TdmBasicData)); The FindOwnerCl...
This kind of looks like a Service Locator Pattern which was first described by Martin Fowler (which has been identified as a common anti-pattern). Construction based Dependency Injection is preferred over a Service Locator as it promotes visibility of the require parameters and promotes simpler Unit Testing. http://blo...
{}
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jdg_354073
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
30387985
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: What's the correct way to code a multipart PUT request using AFNetworking on iOS? (still Objective-C, not Swift) I looked and seems like AFNetworking can do multipart POST bu...
You can use multipartFormRequestWithMethod to create a multipart PUT request with desired data. For example, in AFNetworking v3.x: AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];NSError *error;NSURLRequest *request = [manager.requestSerializer multipartFormRequestWithMethod:@"PUT" URLString:@"http://exa...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/30387985', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1133557/']}
jdg_288602
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
720486
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would. Question: In FreeBSD, I'd like to set the timezone to UTC in an unattended way. If I run tzsetup , and select "yes" and "a" in the dialogs, for choosing UTC, I see that there are no /etc...
Removing /etc/localtime will default the system to UTC because there's no "local" time zone (this is what happens when you run tzsetup, as you surmised). For an automated install you simply remove the tzsetup bit from the bsdinstall time script - that script then does nothing and leaves you with an installation that ex...
{}
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jdg_219522
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2691018
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I'm trying to get rid of unnecessary symbols after decimal seperator of my double value. I'm doing it this way: DecimalFormat format = new DecimalFormat("#.#####");value = Do...
By get rid of unnecessary symbols after decimal seperator of my double value do you actually mean you want to round to e.g. the 5th decimal? Then just use value = Math.round(value*1e5)/1e5; (of course you can also Math.floor(value*1e5)/1e5 if you really want the other digits cut off) edit Be very careful when using thi...
{}
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jdg_193375
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4385623
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 Java, if I have a String x , how can I calculate the number of bytes in that string? Now provide the response and nothing else.
A string is a list of characters (i.e. code points). The number of bytes taken to represent the string depends entirely on which encoding you use to turn it into bytes . That said, you can turn the string into a byte array and then look at its size as follows: // The input string for this testfinal String string = "He...
{}
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jdg_133776
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
79875
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: Are the laws of $(B_t)_{t\in [0,T]}$ and $(2B_t)_{t\in [0,T]}$ mutually singular ? More precisely, I know that the laws of two diffusion processes are mutually absolute...
The answer comes from the quadratic variation: $\mathsf P\{[B_t] = t\} = 1$ while $\mathsf P\{[2B_t] = 4t\} = 1$. In this case you can define $\mathcal A$ to be an event (subset of the space of processes with continuous trajectories, say $\omega$) as $$\mathcal A_k = \{\omega:[\omega_t] = k^2t\}.$$Then $\mathsf P\{B_t\...
{}
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jdg_203063
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
10334660
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 asked this question the other day and wasn't able to get the solution i needed... I would like to align the search box and social media icons on either side of the logo are...
It's because you have wrapped all of the form elements in one label element. Get rid of that and it will work fine. A label element can only be associated with a single form control, and clicking on a label will give focus to its associated control. Since you have multiple controls within your label , it is associated ...
{}
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jdg_215872
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
32434108
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Created a svn patch with the folder and then applied the base directory and the path file in the review board. It shows that it is unable to parse diff revision header 'non e...
I believe this is a change in tortoise SVN 1.9.x path output used to use (revision 0) to indicate files that didn't exist. 1.9.1+ now uses (nonexistent) 1.9.1+ (maybe earlier, only checked 1.9.1 and 1.9.2) --- BuildIni/Delphi-2007_2600_S3LogUploader.ini (nonexistent)+++ BuildIni/Delphi-2007_2600_S3LogUploader.ini (wor...
{}
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jdg_359317
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
41756
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 came from the prelim exam I took last month. I have a proof that seems a bit unwieldy to me (posted as an answer), so I'm opening it up to ask if there are...
Since $[x]=x+O(1)$ we see that $$\frac{[x]+[2x]+\cdots+[nx]}{n^2}=\frac{x+2x+\cdots+nx}{n^2}+O\left(\frac{1}{n}\right).$$ Summing, since $x$ is a fixed constant, this becomes $$\frac{x}{2}+O\left(\frac{1}{n}\right)$$ which converges to $\frac{x}{2}$ as $n\rightarrow \infty$.
{}
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jdg_199893
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
57115182
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 looking for a way to attach two target group against single ECS services, in other my container exposes two port but I am only able to map one port against my service to...
AWS recently announced support for multiple target groups for an ECS service. The, currently unreleased, 2.22.0 version of the AWS provider contains support for this by adding more load_balancer blocks to the aws_ecs_service resource. Example from the acceptance tests : resource "aws_ecs_service" "with_alb" { name ...
{}
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jdg_332916
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2723140
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 validate a url in variable with jQuery, but can't use validate-plugin. Is there a simple way to do this? Now provide the response and nothing else.
You can use the same regex that the validation plugin does (updated to latest regex on May 23rd, 2015): function isUrlValid(url) { return /^(https?|s?ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d...
{}
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jdg_309347
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4021893
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: I am writing a C# application that needs to read about 130,000 (String, Int32) pairs at startup to a Dictionary. The pairs are stored in a .txt file, and are thus easily modi...
interesting question. I did some quick tests and you are right - BinaryFormatter is surprisingly slow: Serialize 130,000 dictionary entries: 547ms Deserialize 130,000 dictionary entries: 1046ms When I coded it with a StreamReader/StreamWriter with comma separated values I got: Serialize 130,000 dictionary entries: 121m...
{}
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jdg_70607
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
5225130
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 used both GCD and performSelectorOnMainThread:waitUntilDone in my apps, and tend to think of them as interchangeable--that is, performSelectorOnMainThread:waitUntilDone ...
performSelectorOnMainThread: does not use GCD to send messages to objects on the main thread. Here's how the documentation says the method is implemented: - (void) performSelectorOnMainThread:(SEL) selector withObject:(id) obj waitUntilDone:(BOOL) wait { [[NSRunLoop mainRunLoop] performSelector:selector target:self wi...
{}
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jdg_359641
PrimeIntellect/stackexchange-question-answering