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 | 365778 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm training a neural network and the training loss decreases, but the validation loss doesn't, or it decreases much less than what I would expect, based on references ... | First of all, let's mention what does "my neural network doesn't generalize well" mean and what's the difference with saying "my neural network doesn't perform well" . When training a Neural Network, you are constantly evaluating it on a set of labelled data called the training set . If your model isn't working properl... | {} | {'log_upvote_score': 7, 'links': ['https://stats.stackexchange.com/questions/365778', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/58675/']} | jdg_189302 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 44830396 |
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 parsing a websocket message and due do a bug in a specific socket.io version (Unfortunately I don't have control over the server side), some of the payload is double enc... | You text was encoding to UTF-8, those bytes were then interpreted as ISO-8859-1 and re-encoded to UTF-8. Wrocławskiej is unicode: 0057 0072 006f 0063 0142 0061 0077 0073 006b 0069 0065 006a Encoding to UTF-8 it is: 57 72 6f 63 c5 82 61 77 73 6b 69 65 6a In ISO-8859-1 , c5 is Å and 82 is undefined . As ISO-8859-1, those... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/44830396', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3450689/']} | jdg_197491 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 18601721 |
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 a local podspec that is based on some private code. I can't seem to use the 'source' attribute, as that is not working. I can use the 'source_files' attribut... | The source_files attribute uses Ruby file glob syntax . The pattern must be relative to the root of your project (i.e., the podspec file), so this should work for you: s.source_files = 'Library/src/**/*.{h,m}' The source attribute is not for source code files, but rather for the remote repository from which the code sh... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/18601721', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/175225/']} | jdg_244269 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6104294 |
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 migrating my application from delphi 2007 to delphi xe, but i having problems with a procedure which read a file (ascii) and store the content in a string this is the cod... | you code does not work because you are reading the content of the file using a unicode string as buffer, so you are just moving bytes from the internal buffer of the TFileStream to the unicode string ignoring the encoding. you can fix easily your procedure , just changing the result type to AnsiString function LoadFile... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/6104294', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/728588/']} | jdg_228473 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19884031 |
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 swear I've done this a hundred times, but for the life of me, I can't figure out why my :before pseudo-element's background is displaying behind the text but not behind the... | When you add a z-index value to an element, you create a new stacking context. Every child of that element will stack on top of it. So when you want to place an element behind its parent, simply don't create a stacking context on the parent. You still need to use a negative z-index though, because the default stack lev... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/19884031', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/194724/']} | jdg_117282 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 697 |
Below is a question asked on the forum raspberrypi.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
There are 5 LEDs on the RPi: OK, PWR, FDX, LNK, 10M. I'd like to know if it's possible to control any of these from software i.e. turn them on, or change intensit... | The OK LED can be controlled from user space software. Details here: Re: Can we control the on-board leds Summarised from the above (all credit to BrianW): The OK LED is available as /sys/class/leds/led0/ . The kernel LED driver has "triggers" which let some other part of the kernel control the LED. The default trigger... | {} | {'log_upvote_score': 7, 'links': ['https://raspberrypi.stackexchange.com/questions/697', 'https://raspberrypi.stackexchange.com', 'https://raspberrypi.stackexchange.com/users/188/']} | jdg_221255 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 178645 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
There is some magic going on with WCF deserialization. How does it instantiate an instance of the data contract type without calling its constructor? For example, consider t... | FormatterServices.GetUninitializedObject() will create an instance without calling a constructor. I found this class by using Reflector and digging through some of the core .Net serialization classes. I tested it using the sample code below and it looks like it works great: using System;using System.Reflection;using S... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/178645', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/24874/']} | jdg_234773 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 62633 |
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 would I go about solving the following problem? Find an orthogonal projection of a point T$(-4,5)$ onto a line $\frac{x}{3}+\frac{y}{-5}=1$.
Now provide the respons... | The slope of the line $r$, with equation $\frac{x}{3}+\frac{y}{-5}=1$, is $m_{r}=\frac{5}{3}$ (because $\frac{x}{3}+\frac{y}{-5}=1$ is equivalent to $y=\frac{5}{3}x-5$). The slope of the line $s$ orthogonal to $r$ is $m_{s}=-\frac{3}{5}$ (because $m_{r}m_{s}=-1$). Hence the equation of $s$ is of the form $$y=-\frac{3}{... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/62633', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/15269/']} | jdg_250930 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 863274 |
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 am trying to setup a Multi-Master openLDAP (PoC) cluster.Somewhere I created bad config and now slapd will not start. Being that the cn=config / olc config is CRC32 tagged, i... | I know you've basically solved your problem, but I thought I'd add my own steps for making offline slapd configurations if anybody else comes across this. This is from my own documentation for Debian based systems: Sometimes it is necessary to edit a cn=config style database manually (if you cannot get into the databas... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/863274', 'https://serverfault.com', 'https://serverfault.com/users/405852/']} | jdg_205364 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 406336 |
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 a survey was done on 100 people, 78 people drink coffee, 40 drink tea, 10 drink neither coffee nor tea, in this class, the probability of the follows are: 1.P(c... | The connection is related to the eigenvalues of the centering matrix The "why" of the connection at issue here actually goes down quite deeply into mathematical territory. In my view, it is related to the eigenvalues of the centering matrix, which have connections to the rank of that matrix. Before I get into the dem... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/406336', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/246712/']} | jdg_307151 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9000698 |
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 written a command-line tool that uses sub-commands much like Mercurial, Git, Subversion &c., in that its general usage is: >myapp [OPTS] SUBCOMMAND [SUBCOMMAND-OPTS] [... | Writing completion scripts for zsh can be quite difficult. Your best bet is to use an existing one as a guide. The one for Git is way too much for a beginner. You can use this repo: https://github.com/zsh-users/zsh-completions As for your question, you have use the concept of state . You define your subcommands in a li... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/9000698', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/83264/']} | jdg_333645 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 74456 |
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 am reading Berkeley Physics Course, Volume 2 (Electricity and Magnetismby Edward M. Purcell). I am in chapter $3$, page $92$, and the book discusses conductors. The... | Loosely speaking, the gradient of a scalar field (such as the electrostatic potential) points in the direction of that field's greatest change. Since no change occurs in the field when you go along the surface, the gradient shouldn't have a component in that direction. Here is another intuitive explanation: Imagine for... | {} | {'log_upvote_score': 5, 'links': ['https://physics.stackexchange.com/questions/74456', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/23752/']} | jdg_218008 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 47872162 |
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 my app Manifest I have declared the use of the permission: <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" /> and in my code I check if my app ... | You've to ask for permission first. For that you've to call install permission from unknown sources. I got the answer by just rearranging your code. if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { if (!getPackageManager().canRequestPackageInstalls()) { startActivityForResult(new Intent(S... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/47872162', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1344126/']} | jdg_262468 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 667714 |
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:
Why doesn’t a ray of light which is emitted by a distant galaxy, say about a thousand light years away, die down in between? I mean, how do the light rays from differ... | Intergalactic space is estimated to have a mean density of about $1$ molecule per cubic meter. Air has a density of about $ 3 \times 10^{25}$ molecules per cubic meter. 1 Light Year is about $9 \times 10^{15}$ meters. A crude bit of multiplication would thus suggest that a photon passing through 13.5 billion light year... | {} | {'log_upvote_score': 6, 'links': ['https://physics.stackexchange.com/questions/667714', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/311056/']} | jdg_351750 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19051668 |
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 code obviously works import Data.Charmain = do content <- readFile "in.txt" writeFile "out.txt" (map toUpper content) Why this one doesn't? import Data.Charmain = do ... | Because this is not how <- is defined. It translates to readFile "in.txt" >>= \content ->writeFile "out.txt" (map toUpper content) You could use =<< instead: writeFile "out.txt" . map toUpper =<< readFile "in.txt" | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/19051668', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/-1/']} | jdg_160498 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 61369378 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
before using EncryptedSharedPreferences my app works fine in release mode with (minifyEnabled = true), After adding the security library (version 1.0.0-rc01) to my applicatio... | Looks like something wrong with Tink obfuscation. My current workaround is add this rule to proguard: -keep class com.google.crypto.tink.** { *; } But also keep track of updates of issue here . UPDATE - 06.01.2020 There is more effective solution (thanks @jtsalva to pointing out): -keepclassmembers class * extends com.... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/61369378', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2071936/']} | jdg_334581 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 41556 |
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 have several private keys that I use to ssh into AWS, dreamhost, github, etc. I have passphrases for all of these private keys that are too complex to remember. I ... | [Disclosure: I work for AgileBits, the makers of 1Password] You already mentioned using a password manager for web logins. But for things like SSH and GPG/PGP private keys, you should consider a password manager which allows you to attach files to particular items and provides easy synchronization of this data. Encrypt... | {} | {'log_upvote_score': 4, 'links': ['https://security.stackexchange.com/questions/41556', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/30199/']} | jdg_107386 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 65903 |
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 just wondering, if an algorithm $A$ has a time complexity O$(2^n)$, since $2^n$ can be represented using a Taylor series, which is a polynomial, does this mean that ... | $2^n$ can be represented as a Taylor series, which is an infinite sum of polynomials. Notably, there is no single polynomial which is equal to $2^n$. In general, since big-O lets us get rid of lower-degree terms in the polynomial, we can say that something has polynomial time (or space or whatever you're measuring) whe... | {} | {'log_upvote_score': 4, 'links': ['https://cs.stackexchange.com/questions/65903', 'https://cs.stackexchange.com', 'https://cs.stackexchange.com/users/57830/']} | jdg_329095 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5424465 |
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 table, something like: Id Name EnteredOn Percentage`````````````````````````````````````````````````````````````01 person1 ... | ;with cte as( select *, row_number() over(partition by datediff(d, 0, EnteredOn) order by EnteredOn desc) as rn from YourTable)select *from cte where rn = 1 | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/5424465', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/363674/']} | jdg_359685 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 13768204 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Is it possible to get two builds to checkout on the same directory and how can this be done please? Currently the two different builds are checking out to two different direc... | You can accomplish this by taking control of the checkout directory locations. First you need to define your checkout directory to something that can be known to both builds. In your build configuration, browse to Version Control Settings -> Checkout Settings. Change the Checkout Directory setting to Custom Path . Y... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/13768204', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/983965/']} | jdg_219183 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 48045470 |
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 C++20, the preprocessor supports __VA_OPT__ as a way to optionally expand tokens in a variadic macro if the number of arguments is greater than zero. (This obviates the ne... | Inspired by chris's answer . 1 #define PP_THIRD_ARG(a,b,c,...) c#define VA_OPT_SUPPORTED_I(...) PP_THIRD_ARG(__VA_OPT__(,),true,false,)#define VA_OPT_SUPPORTED VA_OPT_SUPPORTED_I(?) If __VA_OPT__ is supported, VA_OPT_SUPPORTED_I(?) expands to PP_THIRD_ARG(,,true,false,) , so the third argument is true ; otherwise, VA_O... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/48045470', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/195873/']} | jdg_227906 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4297770 |
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 understand the theory behind separating parser rules and lexer rules in theory, but what are the practical differences between these two statements in ANTLR: my_rule: ... ;... | ... what are the practical differences between these two statements in ANTLR ... MY_RULE will be used to tokenize your input source. It represents a fundamental building block of your language. my_rule is called from the parser, it consists of zero or more other parser rules or tokens produced by the lexer. That's the ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4297770', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/67063/']} | jdg_238251 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 21578544 |
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 code: #include <algorithm>#include <cctype>#include <string>int main(){ std::string str; str.erase(std::remove_if(str.begin(), str.end(), std::issp... | There is another overload of std::isspace , so you need to specify which one to use. An easy way is to use a lambda (or write your own one-line function if you don't have C++11 support): std::remove_if(str.begin(), str.end(), [](char c){ return std::isspace(static_cast<unsigned char>(c)... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/21578544', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1608835/']} | jdg_374609 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 30740828 |
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 created a mysql container using the officially supported mysql image . I ran the image mounting a folder that contains a sql dump, then I created a new database in the cont... | The official mysql image stores data in a volume. Normally this is desired so that your data can persist beyond the life span of your container, but data volumes bypass the Union File System and are not committed to the image. You can accomplish what you're trying to do by creating your own mysql base image with no vol... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/30740828', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/338784/']} | jdg_290339 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8058136 |
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 first request here, and I've read many of the other related posts on this same issue, but I'm STILL getting stuck and pretty much at my wits end on this... So any ... | SOLVED: I found an answer that finally worked! Frustrating that it took me several days because it wasn't well documented by Highcharts (and/or maybe my understanding of jQuert and JavaScript is still at a novice level). The answer is do not send the X/Y data as a preformed array in your json object, but instead simpl... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8058136', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/922458/']} | jdg_130909 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5188561 |
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 I need is a signed angle of rotation between two vectors Va and Vb lying within the same 3D plane and having the same origin knowing that: The plane contatining both vec... | Use cross product of the two vectors to get the normal of the plane formed by the two vectors. Then check the dotproduct between that and the original plane normal to see if they are facing the same direction. angle = acos(dotProduct(Va.normalize(), Vb.normalize()));cross = crossProduct(Va, Vb);if (dotProduct(Vn, cross... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5188561', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/643929/']} | jdg_72599 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10949986 |
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 understand the meaning of obj-$(CONFIG_USB) += usb.o if CONFIG_USB is y then usb.o will be compiled. So now how to understand this obj-y += something/
... | Kernel Makefiles are part of the kbuild system, documented in various places on the web, for example http://lwn.net/Articles/21835/ . The relevant excerpt is here: --- 3.1 Goal definitions Goal definitions are the main part (heart) of the kbuild Makefile. These lines define the files to be built, any special compil... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/10949986', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/775964/']} | jdg_289002 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 18144820 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have this code below where I am inserting a new integer into a sorted LinkedList of ints but I do not think it is the "correct" way of doing things as I know there are sing... | This might serve your purpose perfectly: Use this code: import java.util.*;public class MainLinkedList { private static LinkedList<Integer> llist; public static void main(String[] args) { llist = new LinkedList<Integer>(); addValue(60); addValue(30); addValue(10); addValue(-5); ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/18144820', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1796228/']} | jdg_75057 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 39816671 |
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 df which contains my main data which has one million rows . My main data also has 30 columns . Now I want to add another column to my df called category . The catego... | Consider the following dataframes df and df2 df = pd.DataFrame(dict( AUTHOR_NAME=list('AAABBCCCCDEEFGG'), title= list('zyxwvutsrqponml') ))df2 = pd.DataFrame(dict( AUTHOR_NAME=list('AABCCEGG'), title =list('zwvtrpml'), CATEGORY =list('11223344') )) option 1 merge df.... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/39816671', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3471881/']} | jdg_360194 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 62319067 |
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 tried to follow the instruction of creating form from youtube channel like those: https://www.youtube.com/watch?v=zfqQ_fhmPOQ or https://www.youtube.com/watch?v=40njRXr6eUo... | This is the culprit: if ((EditContext == null) == (Model == null)){ throw new InvalidOperationException($"{nameof(EditForm)} requires a {nameof(Model)} " + $"parameter, or an {nameof(EditContext)} parameter, but not both.");} You did not instantiate your model, and you do not have an EditContext You've probab... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/62319067', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4566981/']} | jdg_172966 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1066760 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
var items = from c in contacts select new ListItem { Value = c.ContactId, //Cannot implicitly convert type 'int' (ContactId) to 'string' ... | With EF v4 you can use SqlFunctions.StringConvert . There is no overload for int so you need to cast to a double or a decimal. Your code ends up looking like this: var items = from c in contacts select new ListItem { Value = SqlFunctions.StringConvert((double)c.ContactId).Trim(), ... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/1066760', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/75500/']} | jdg_255042 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I need to force the initiation of download of a .sql file, when user clicks a button in my ASP .NET (C#) based web application. As in, when the button is clicked, a save as ... | Create a separate HTTP Handler (DownloadSqlFile.ashx): <%@ WebHandler Language="C#" Class="DownloadHandler" %>using System;using System.Web;public class DownloadHandler : IHttpHandler { public void ProcessRequest(HttpContext context) { var fileName = "myfile.sql"; var r = context.Response; r.Add... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/873207', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/41745/']} | jdg_141868 | 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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For a Rails 3.0 Todo app, I have a Tasks model with a Status field. What's the best way to store the Status field data (field type) and still display a human-readable version... | 1.It depends on how much you want to optimize queries on the DB. 2.Not really, it is not supported 'out of the box' by AR. # As of Rails 4 enums are supported out of the box . 3.IMHO you can use strings without a big performance penalty (just remember to add field to an index). I would do this because it's easier to in... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2650897', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/32558/']} | jdg_306867 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am trying to create 2 columns and 2 rows layout in my page but i am having some issues. I have used a table in which i have created 2 columns and 2 rows, that seems simpl... | You are using; SelectionChanged="{Binding Path=DataContext.cbConnection_SelectionChanged}" Which is actually an event. You should bind a Public Property (possibly implementing INotifyPropertyChanged) in your ViewModel to the SelectedItem Property to manage changes tn the Selection. Assuming that your window has the Dat... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14490920', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1858332/']} | jdg_213389 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I've a method which has some optional parameters, like this , initializeInteraction(opts: { type?: string; freehand?:boolean= false }) { this._draw = this.drawService.init... | You just need to set the default value of freehand no need for ? it's already optional consider this function initializeInteraction(type: string, freehand: boolean = false) { console.log(type,freehand); // your magic}initializeInteraction('something');initializeInteraction('something', false);initializeInteraction('som... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/53627516', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4480993/']} | jdg_153663 | 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.
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Let $V$ be a vector space over a field $k$. Let $T$ be a $k$-linear transformation from $V$ to itself. Without using the notion of characteristic polynomial or Cayley-Ha... | Let $n$ be the smallest natural number such that $\operatorname{Id},T,T^2,\ldots,T^n$ are linearly dependent. Then $T^n$ is a linear combination of the other ones. In other words, there's a monic polynomal $p_T(X)$ such that $p_T(T)$ is the null transformation. Now, if $q(X)$ is a polynomial such that $q(T)=0$, divide ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2861756', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/579315/']} | jdg_355613 | 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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Using Java (1.6) is it better to call the clear() method on a List or just re-instantiate the reference? I have an ArrayList that is filled with an unknown number of Objects ... | The main thing to be concerned about is what other code might have a reference to the list. If the existing list is visible elsewhere, do you want that code to see a cleared list, or keep the existing one? If nothing else can see the list, I'd probably just clear it - but not for performance reasons; just because the w... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/3823398', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/218811/']} | jdg_149626 | 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.
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For 5 years, I use a weather station La Crosse WS2350. The data provided by the weather station are processed with open2300 on RPI. This works very well.However, the tem... | Here's a slightly more idiomatic AWK variant to process current.txt ( steve's second answer is even more idiomatic!): awk '/^To(|min|max) / { print $1, $2 + 1; next } 1' current.txt This looks for lines starting with To , followed by nothing, min , or max , followed by a space; for matching lines it prints the first fi... | {} | {'log_upvote_score': 5, 'links': ['https://unix.stackexchange.com/questions/327745', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/203646/']} | jdg_351759 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum chemistry.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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Mixing sodium bicarbonate with vinegar (and sometimes adding dishwasher detergent) is quite a common tip on the internet. But I have never understood the reason. I ... | Your intuition is on point. Pretty much all the "lifehacks" praising cleaning abilities of vinegar and sodium bicarbonate are ineffective. The reaction appears vigorous due to the formation of carbon dioxide gas, but what is left is a diluted solution of sodium acetate: $$\ce{CH3COOH(aq) + NaHCO3(aq) -> NaCH3COO(aq) + ... | {} | {'log_upvote_score': 5, 'links': ['https://chemistry.stackexchange.com/questions/144202', 'https://chemistry.stackexchange.com', 'https://chemistry.stackexchange.com/users/102638/']} | jdg_128367 | 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.
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In my elementary number theory class, we have the following definition which i'm just having trouble understanding what they mean: Definition: A complete system of resid... | Example. Let$$S=\{27,32,37,42\}$$and note that\begin{align*}27\equiv 3\pmod4 && 32\equiv 0\pmod4 && 37\equiv1\pmod4 && 42\equiv2\pmod4\end{align*}Since every integer $n$ is equivalent to $0$, $1$, $2$, or $3$ modulo $4$, this tells us that $S$ is a complete system of residues modulo $4$. Non-Example. Let$$T=\{17,101,12... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/882080', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/125017/']} | jdg_217356 | 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.
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I am looking for a very concrete and simple example of a line bundle $L$ (on a curve or a surface) which is ample, but not very ample. I would also like that $L^{\otimes... | (Let me collect the comments into a CW answer. Others can then edit the answer to add their own favourites.) Here are a couple of simple examples, and one non-simple one. Note that any line bundle of degree $\geq 2g+1$ on a curve of genus $g$ is very ample, so any line bundle of positive degree on a curve is ample. Th... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/542751', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/11653/']} | jdg_367263 | 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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@media screen and (max-width: calc(2000px-1px)) { .col { width: 200px; }} The value after subtraction should be 1999px , however it does not seem to be working. If I manual... | ANSWER EDITED AGAIN 21.03.2022: In the current version of the spec, using calc (or var) in media queries is NOT supported by the spec (as TylerH pointed out below). Properties sometimes accept complex values, e.g., calculations that involve several other values. Media features * only accept single values: one keyword, ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/23667208', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3525422/']} | jdg_376861 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am using an associated reference as storage for a property of my category header file contains : @interface UIImageView (Spinning)@property (nonatomic, assign) BOOL animat... | The objc_setAssociatedObject function expects an Objective-C object for the 3rd parameter. But you are trying to pass in a non-object BOOL value. This is no different than trying to add a BOOL to an NSArray . You need to wrap the BOOL . Try: objc_setAssociatedObject(self, animatingKey, [NSNumber numberWithBool:value], ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14918125', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1186157/']} | jdg_259536 | 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.
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Let $X,Y: (\Omega,\mathcal{F},\mathbb{P})\to (\mathbb{R},\mathcal{B})$ be random variables. Does $\mathbb{P}(X \in B)=\mathbb{P}(Y\in B)$ for all $B \in \mathcal{B}$ imp... | We will prove that any such group is the direct product of a quaternion group $Q_8$ and an elementary abelian $2$ -group. As you have shown, $G$ has exponent $4$ (as it cannot have exponent $2$ , since such groups are elementary abelian). Let $g\in G\setminus Z(G)$ have order $2$ , and let $h\in G\setminus C_G(g)$ . Th... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/4257091', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/727154/']} | jdg_198203 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am designing a simple navigation based application for EmployeeContactDirectory. I am displaying the list of Employee. For showing the list of employee, I am using the rest... | Try this for ggplot2 way: x <- seq(-10, 10, 0.1)df <- data.frame(x, y1 = pnorm(x), y2 = pnorm(x) * 2)df$t <- df$y2 - df$y1dfm <- melt(df, id = "x")ggplot(NULL, aes(x, value)) + geom_line(aes(colour = variable), droplevels(subset(dfm, variable %in% c("y1", "y2")))) + geom_rect(aes(xmin = x - 0.05, xmax = ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8742813', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1132105/']} | jdg_272226 | 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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http://www.javascriptkit.com/javatutors/cookie.shtml Session-only cookies, on the other hand, stores information in the browser memory, and is available for the duration o... | First off, that website is a horrible place to go. Now on to the question. What sessions actually are: Data is stored on the server side. A cookie is issued which contains an ID. This ID gets send back to the server on every request, due to the fact that the browser sends the cookies. Now the server can re-associate th... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4371178', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/11926/']} | jdg_141606 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum quantumcomputing.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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We can strongly simulate a quantum circuit if we can estimate the probability of measuring $|0^n\rangle$ , say, at the end to within some fixed relative err... | Apart from the formal result about #P -hardness, there's something worth touching on, about the nature of strong simulation itself. I'll comment first on strong simulation, and then specifically on the quantum case. 1. Strong simulation even of classical randomised computation is hard Strong simulation is a very powerf... | {} | {'log_upvote_score': 4, 'links': ['https://quantumcomputing.stackexchange.com/questions/5815', 'https://quantumcomputing.stackexchange.com', 'https://quantumcomputing.stackexchange.com/users/2375/']} | jdg_319987 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I need a way to compute the nth root of a long integer in Python. I tried pow(m, 1.0/n) , but it doesn't work: OverflowError: long int too large to convert to float Any ideas... | If it's a REALLY big number. You could use a binary search. def find_invpow(x,n): """Finds the integer component of the n'th root of x, an integer such that y ** n <= x < (y + 1) ** n. """ high = 1 while high ** n <= x: high *= 2 low = high/2 while low < high: mid = (low + high) // 2 ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/356090', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/44988/']} | jdg_369084 | 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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As in title: I would like to know how to get list (array) of all currently displayed items in my AdapterView. Why? Objects that are displayed in my AdapterView require releas... | implements OnScrollListener public class NewsCategoryDC extends Activity implements OnScrollListener { and set OnScrollListener in listView listView.setOnScrollListener(NewsCategoryDC.this); and you can get first and last visible rows @Overridepublic void onScroll(AbsListView view, int firstVisibleItem,int visibleItemC... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/13130389', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1088167/']} | jdg_354589 | 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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Almost done with my menu, but I have a problem I need to remove some parts of it depending on the user. It is ok in firefox but on IE when ever I set an li to display none it... | From C# 6 onwards, you can just use: MyEvent?.Invoke(); or: obj?.SomeMethod(); The ?. is the null-propagating operator, and will cause the .Invoke() to be short-circuited when the operand is null . The operand is only accessed once, so there is no risk of the "value changes between check and invoke" problem. === Prior ... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/872324', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/107203/']} | jdg_232073 | 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.
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$a,b,n,d\in \mathbb N$. $a,b,d$ are different numbers from the interval $(n^2;n^2+n)$. Prove that it can't be true that $d\mid ab$. This is an interesting problem and I... | Let $d=n^2+x,a=n^2+y,b=n^2+z$ with pairwise distinct $1\leq x,y,z<n$. Suppose $d\mid ab$. Then$$0\equiv(n^2+y)(n^2+z)\equiv(y-x)(z-x) \mod n^2+x.$$But $0\neq |(y-x)(z-x)|<n^2<n^2+x$, a contradiction to $(n^2+x) \mid (y-x)(z-x)$. | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/615719', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/107671/']} | jdg_361369 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have to write a script that finds all executable files in a directory. So I tried several ways to implement it and they actually work. But I wonder if there is a nicer way ... | Do you need to use ls? You can use find to do the same: find . -maxdepth 1 -perm -111 -type f will return all executable files in the current directory. Remove the -maxdepth flag to traverse all child directories. You could try this terribleness but it might match files that contain strings that look like permissions. ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/7812324', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/950305/']} | jdg_243668 | 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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Hi i am trying to blur the background image but i think its lacking in doing so. Any help over it will boost my energy for it. Thanks This my CSS html { position: relative; ... | If you are applying blur to <html> then it will blur your webpage. Instead of adding background to <html> You need to create another <div> with in <body> with size to that of webpage and add blur to it. Example body { font-family: "Arial"; color: #fff;}.page-bg { background: url('http://www.planwallpaper.com/static/... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/38366571', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5260488/']} | jdg_270173 | 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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What is the fastest way to insert 237 million records into a table that has rules (for distributing data across child tables)? I have tried or considered: Insert statements. ... | Split your input into separate files outside the database and upload each one using COPY, rather than relying on the rule to distribute them. If the rule you give is any example, that's a trivial text transformation to apply. Also, splitting up front will let you load the split files in parallel if your disk system is ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2842409', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/59087/']} | jdg_119021 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 873583 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I am trying to solve $a^2+b^2$ and $a^3$ given $a+b = 2, ab=4$. I have the key with the answers $a^2+b^2=-4$ and $a^3=-8$ but am wondering which steps to take to get to... | HINT: $a^2+b^2=(a+b)^2-2(ab)$ and $a^3+b^3=(a+b)^3-3ab(a+b)$ EDIT: To further elongate the second equation $a^3+b^3=-16$ Now, substitute b=4/a and solve. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/873583', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/147732/']} | jdg_317922 | 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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It tells me line 1 and line 5 (new to debugging/programming, not sure if that helps) def hi(): print('hi')def loop(f, n): # f repeats n times if n <= 0: return ... | You want to pass the function object hi to your loop() function, not the result of a call to hi() (which is None since hi() doesn't return anything). So try this: >>> loop(hi, 5)hihihihihi Perhaps this will help you understand better: >>> print hi()hiNone>>> print hi<function hi at 0x0000000002422648> | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/9768865', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1251826/']} | jdg_361421 | 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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Here is the sentence The pseudo-class concept is introduced to permit selection based on information that lies outside of the document tree or that cannot be expressed usin... | Yes. DOM stands for document object model and describes the tree strcuture of elements that form the (HTML) document. When the CSS spec talks about a document tree it refers to the same thing. In the sentence you've cited the document says the information, for example whether a link has been visited or not, is not stor... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/24466038', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2008650/']} | jdg_225004 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20165699 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am studying for my exams and found this question: A typical UDP server can be implemented using a single socket. Explain why, for a TCP driven server, I find that two socke... | For TCP, there's no choice, the socket API maps one TCP connection to one socket, which is between two endpoints. For UDP, the socket API allows one socket to receive from many endpoints, and to send to many endpoints - so many servers use just one socket since there isn't any need for more. In some cases, the protocol... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/20165699', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1546268/']} | jdg_109453 | 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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Join = input('Would you like to join me?')if Join == 'yes' or 'Yes': print("Great," + myName + '!')else: print ("Sorry for asking...") So this is my code. It's longer; just... | if Join == 'yes' or 'Yes': This is always true. Python reads it as: if (Join == 'yes') or 'Yes': The second half of the or , being a non-empty string, is always true, so the whole expression is always true because anything or true is true. You can fix this by explicitly comparing Join to both values: if Join == 'yes' o... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/17953940', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2635211/']} | jdg_314187 | 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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Here is a simple piece of code where a division by zero occurs. I'm trying to catch it : #include <iostream>int main(int argc, char *argv[]) { int Dividend = 10; int Di... | It's not an exception. It's an error which is determined at hardware level and is returned back to the operating system, which then notifies your program in some OS-specific way about it (like, by killing the process). I believe that in such case what happens is not an exception but a signal. If it's the case: The oper... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4747934', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2796/']} | jdg_246703 | PrimeIntellect/stackexchange-question-answering |
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Edited: It is known that if $f$ is differentiable then the derivative function of $f$ is not always continuous. For instance $f(x)=x^2\sin (\frac{1}{x})$ for $x\neq 0$ a... | Such a $q$ is called "sequence covering" and is defined in this paper by Siwiec from 1971. Proposition 2.4 from that paper might be useful: an almost open map defined on a first countable space is sequence covering. Here $f: X \rightarrow Y$ is almost open, iff for all $y \in Y$ there is some $x$ with $f(x) = y$ such t... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1756307', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/319254/']} | jdg_373656 | PrimeIntellect/stackexchange-question-answering |
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I have a simple application, it starts, loads xml feed from the net, you can browse a list of news and then read details for a chosen news item. What I would like to do is ha... | Android suggests you take advantage of using a splash screen when performing lengthy calculations on start up. Here's an excerpt from the Android Developer Website - Designing for Responsiveness: "If your application has a time-consuming initial setup phase, consider showing a splash screen or rendering the main view a... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2222890', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/220065/']} | jdg_215116 | PrimeIntellect/stackexchange-question-answering |
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I want to check a particular file exist in Azure Blob Storage. Is it possible to check by specifying it's file name? Each time i got File Not Found Error.
Now provide the re... | This extension method should help you: public static class BlobExtensions{ public static bool Exists(this CloudBlob blob) { try { blob.FetchAttributes(); return true; } catch (StorageClientException e) { if (e.ErrorCode == StorageErrorCode.Resour... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11032735', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1379647/']} | jdg_218506 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum electronics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I'm trying to make an onboard system for my bike using an Arduino or maybe the Lilypad boards. I think I should use a Hall effect sensor, but any alternative is g... | Using a hall effect sensor as Starliner suggested will be one way to interface with the wheel. Achim and Shutterdrone's suggestion to use a reed switch makes more sense though, given the supporting hardware a hall effect sensor requires to get a clean digital signal. You might be able to pickup a magnet and sensor from... | {} | {'log_upvote_score': 5, 'links': ['https://electronics.stackexchange.com/questions/89', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/21/']} | jdg_340037 | PrimeIntellect/stackexchange-question-answering |
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I am trying to get a sense of how often the commutator subgroup $[G,G]$ of a (Gromov) hyperbolic group $G$ is infinitely generated. Remarks: $[G,G]$ is infinitely generated if... | No, consider a hyperbolic 3-manifold $M$ with $b_1(M)=2$, and all faces of the Thurston norm fibered. Then there are only finitely many surjections to $\mathbb{Z}$ with infinitely generated kernel, corresponding to the (projective classes of the) vertices of the Thurston norm ball. For an explicit example, consider the... | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/123771', 'https://mathoverflow.net', 'https://mathoverflow.net/users/1573/']} | jdg_189491 | PrimeIntellect/stackexchange-question-answering |
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I'm just starting with Eigenvalues and Eigenvectors and it all seemed to be going fine until this question stumped me: Let A be a $2\times 2$ matrix for which $A^2=-I$. ... | Go back to the definition: if $A$ has an eigenvalue $\lambda$ with corresponding eigenvector $x$, then $A x = \lambda x$. Now $A^2 x = \lambda^2 x$. This gives $\lambda^2 = -1$, contradiction! | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1248284', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/213764/']} | jdg_239002 | PrimeIntellect/stackexchange-question-answering |
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Does $f$ measurable $\iff$ $|f|$ measurable ? $\implies $ is clearly true since $$|f|^{-1}((-\infty ,\alpha))=f^{-1}(]-\alpha,\alpha[)$$and thus $|f|^{-1}$ is measurable... | Let $A$ be a non-measurable subset of $\mathbb{R}$, and let $f$ be the function $$f(x) = \begin{cases} 1\text{ if }x\in A\\ -1\text{ if }x\notin A\end{cases}$$ Then $f$ is not measurable ($f^{-1}[\{1\}] = A$) but $|f|$ is measurable (it's the constant function $1$). | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1521086', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/274266/']} | jdg_325348 | PrimeIntellect/stackexchange-question-answering |
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How many arrangements of the word MARMALADE can be made with the vowels in the original order? What is the procedure for doing this problem? Is there more than one way o... | We first change the problem a bit, and deal with the word marMalade. List the vowels in their original order: a a a e. They determine $5$ "gaps" (we are counting the space before the first a and the space after the $e$ as gaps). Now look at the letters m r M l d. The first of these, namely m, can be slipped into any o... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/249825', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/49759/']} | jdg_129409 | PrimeIntellect/stackexchange-question-answering |
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Does anyone know how to match even numbers and odd numbers of letter using regexp in mysql? i need to match like a even number of A's followed by an odd number of G's and the... | An even number of A's can be expressed as (AA)+ (one or more instance of AA ; so it'll match AA, AAAA, AAAAAA...). An odd number of Gs can be expressed as G(GG)* (one G followed by zero or more instances of GG , so that'll match G, GGG, GGGGG...). Put that together and you've got: /(AA)+G(GG)*TC/ However, since regex e... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5581894', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/696891/']} | jdg_370096 | PrimeIntellect/stackexchange-question-answering |
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I would like to know how to resolve next error seen when executed require command on the console after installed Ruby 2.2.1 Windows installer and Ruby gem 2.4.6 . LoadError: ... | If you read the requirement documentation for ffi , you can see: You need a sane building environment in order to compile the extension. At a minimum, you will need: A C compiler (e.g. Xcode on OSX, gcc on everything else) libffi development library - this is commonly in the libffi-dev or libffi-devel This means the ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/29092233', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3131092/']} | jdg_362476 | PrimeIntellect/stackexchange-question-answering |
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We know that $$\int_0^\infty \left(\frac{\sin x}{x}\right)^2 dx=\int_0^\infty \frac{\sin x}{x} \, dx=\frac{\pi}{2}.$$ How do I show that $$\int_0^\infty \left\vert\frac{... | It doesn't. Using the convexity of $1/x$, $$\int_0^\infty \left\vert\frac{\sin x}{x}\right\vert \,\mathrm{d}x=\sum_{k=0}^\infty\int_{k\pi}^{(k+1)\pi}\left\vert\frac{\sin x}{x}\right\vert \,\mathrm{d}x>\sum_{k=0}^\infty\int_{k\pi}^{(k+1)\pi}\frac{\left\vert\sin x\right\vert}{(k+1/2)\pi} \,\mathrm{d}x=\frac{2}{\pi}\sum_{... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/25586', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/-1/']} | jdg_380887 | PrimeIntellect/stackexchange-question-answering |
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It seems to me like every book on representation theory leaps into groups right away, even though the underlying ideas, such as representations, convolution algebras, etc. don... | Certainly irreducible representations exist; one can still construct the monoid algebra of a monoid and consider modules over the algebra. But Maschke's theorem is false in general for finite monoids. Indeed, consider the monoid $M = \langle x | x^3 = x^2 \rangle$. Complex (for the sake of argument) representations ... | {} | {'log_upvote_score': 7, 'links': ['https://mathoverflow.net/questions/37115', 'https://mathoverflow.net', 'https://mathoverflow.net/users/4642/']} | jdg_285327 | PrimeIntellect/stackexchange-question-answering |
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Version 6.0 got a new feature of nameof , but I can't understand the purpose of it, as it just takes the variable name and changes it to a string on compilation. I thought it... | What about cases where you want to reuse the name of a property, for example when throwing exception based on a property name, or handling a PropertyChanged event. There are numerous cases where you would want to have the name of the property. Take this example: switch (e.PropertyName){ case nameof(SomeProperty): ... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/31695900', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2363586/']} | jdg_305319 | PrimeIntellect/stackexchange-question-answering |
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Is it possible to add more objects of different types to the same list and how do I do it? I've got a base class and three subclasses and I want all the subclass objects in t... | Sure - just create a list using the base type as the generic type argument: List<Control> controls = new List<Control>();controls.Add(new TextBox());controls.Add(new Label());controls.Add(new Button());// etc Note that when you retrieve the items again, you'll only "know" about them as the base type though, so you'll n... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8478324', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/339081/']} | jdg_182355 | PrimeIntellect/stackexchange-question-answering |
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Scenario Lets say you have a C# WinForms application that doing some data processing.You have a method that retrieves data from a database that is called by the UI thread.The... | If you don't use a background worker thread (for whatever reason) then you must fire an event from your thread which is handled by the UI thread. For example I have this code that scans my mp3s and fires and event for each album found and then another event when it finished (or is stopped): public void Build() { ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1684341', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/99900/']} | jdg_285893 | PrimeIntellect/stackexchange-question-answering |
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I'm working on a regression problem using the support vector regression model from sklearn and using MinMax to scale the features, but by using it I get a different res... | Regularization encompass techniques aimed at restricting model complexity. The Support Vector Machine is usually $\ell_2$-regularized, except for the intercept term, which brings coefficients asymptotically towards zero, as the cost function is amended with $\|w\|_2^2=\sum_{i=1}^pw_i^2$. As you can see, the regularizat... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/260872', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/123860/']} | jdg_335573 | PrimeIntellect/stackexchange-question-answering |
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I have a set of polynomials$$a a_1, bb_1, c, c_1, ab, da_1 + bd_1, fa_1+cf_1+d_1e, eb_1+ce_1, de-bf, f_1, e_1, d_1. $$ Is there some software which can determine that th... | Yes, what you're looking for is the relation ideal . Given a sequence $p_1(T), \dots, p_n(T) \in k[T_1,\dots,T_k]$ of polynomials, their relation ideal is the ideal $I \subseteq k[X_1,\dots,X_n]$ given by $I := \{ f(X) \in k[X_1,\dots,X_n] \mid f(p_1,\dots,p_n) = 0 \}$. If this is the zero-ideal, the $p_i$ are algebrai... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/730274', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/9791/']} | jdg_301289 | PrimeIntellect/stackexchange-question-answering |
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In Example 2.36 on Pg 141 of Hatcher's Algebraic Topology, he writes: ... one 2-cell attached by the product of commutators $[a_1,b_1] \ldots$ Can someone please explain... | You start with a wedge of $2g$ oriented circles, labeled by $a_i,b_i$. Then each letter in the word corresponds to gluing part of the boundary of the 2-cell to that $1$-cell, in the orientation prescribed by whether you have the letter or its inverse. You get the complete word by travelling around the boundary of the $... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/78204', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/18722/']} | jdg_380967 | PrimeIntellect/stackexchange-question-answering |
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I've trained a model on sagemaker and have created the endpoint. I'm trying to invoke the endpoint using postman. But when training the model and even after that, I have not ... | Once the endpoint is created, you can invoke it as any other restful service, with credentials and payload. I am guessing, there could be two places where might be stuck. One could be, sending an actual PostMan Request with all the headers and everything. Newer version of Postman has AWS Signature as one of the Authori... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/49675637', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4051357/']} | jdg_203231 | PrimeIntellect/stackexchange-question-answering |
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I'm pretty sure this has been answered somewhere, but I can't seem to find it for the life of me. I'm trying to use a TabControl to switch between UserControls (each tab is d... | May I suggest a tad different route? It's something that I have been successfully doing in master-details scenarios. Let's say you have a collection of child view models. I'll prepare a marker interface for all those items, of course you can add properties/methods you see fit if there are such methods that span all chi... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/20883868', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/773165/']} | jdg_373922 | PrimeIntellect/stackexchange-question-answering |
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Consider a connected symplectic manifold $(M, \omega)$ of dimension $m=2n$. A few preliminary reminders (mostly to fix the notation): A vector field $X$ is symplectic if its f... | Any symplectic linear transformations in $T_xM$ is locally realizable as a Hamiltonian vector field, thus for questions 1 and 2, one can profitably use representation theory of the symplectic group. FACT ( Lefschetz decomposition ) Let $W$ be a $2n$-dimensional symplectic vector space, $\bigwedge^\ast W$ its exterior a... | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/29907', 'https://mathoverflow.net', 'https://mathoverflow.net/users/4747/']} | jdg_278845 | PrimeIntellect/stackexchange-question-answering |
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I was wondering if there was a ring so that any two distinct non-zero elements do not commute. Formally, is there a ring $R\not=\{0\}$ so that $$\forall x,y\in R\setminu... | Kevin Carlson's suggestion in the comments does the job. Namely, take the $\mathbb Z/2\mathbb Z$-vector space$$R=\mathbb Z/2\mathbb Z v\oplus\mathbb Z/2\mathbb Z w$$and define multiplication by setting $v^2=v=vw$, $w^2=w=wv$ and extending linearly to the sum. In particular, $(av+bw)(cv+dw)=a(c+d)v+b(c+d)w=(c+d)(av+bw)$... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/712238', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/10385/']} | jdg_335812 | PrimeIntellect/stackexchange-question-answering |
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Goal: Rolling/Running total for all statements at the end of each month. Code: select TRUNC(ACTHX.STMT_HX_STMT_DATE, 'MM') AS MNTH, COUNT(ACTHX.INVOICE) as STMTSfrom ... | It sounds like you want the running total. You can use the analytic SUM function for that. select mnth, sum(stmts) over (order by mnth) stmts from (select TRUNC(ACTHX.STMT_HX_STMT_DATE, 'MM') AS MNTH, COUNT(ACTHX.INVOICE) as STMTS from ACTHX group by TRUNC(ACTHX.STMT_HX_STMT_DATE... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8931975', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/110161/']} | jdg_182447 | PrimeIntellect/stackexchange-question-answering |
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viscosity solution vs. weak solution I am confused between the two. Is one a subset of the other or they are the same/completely different notions? Suppose I have an equ... | The viscosity solutions was first introduced in the context of the Hamilton-Jacobi equation by the vanishing viscosity method. It would be difficult to apply the notion of distributional weak solution in this context, because the derivatives occur inside a nonlinear function. Further complications would arise because a... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/166286', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/27503/']} | jdg_274792 | PrimeIntellect/stackexchange-question-answering |
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Question: What is different between FileStream and StreamWriter in .Net ? What context are you supposed to use it? What is their advantage and disadvantage? Is it possible to... | What is different between FileStream and StreamWriter in dotnet? A FileStream is a Stream . Like all Streams it only deals with byte[] data. A StreamWriter : TextWriter is a Stream-decorator. A TextWriter encodes the primitive type like string, int and char to byte[] and then writes hat to the linked Stream. What cont... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/4963667', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/484390/']} | jdg_153332 | PrimeIntellect/stackexchange-question-answering |
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In normal bash redirection > redirecting standard output to a file, overwriting when it exists and >> redirecting standard output to a file, appending when it exists. In a tc... | In tcsh redirection the ! symbol means overwrite the existing file even if noclobber is set. In other words, if noclobber is set then: cmd > file will write stdout to file if file does not exist cmd > file will fail if file exists cmd >> file will append stdout to file if file exists cmd >> file will fail if file does ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/6762348', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/85514/']} | jdg_297013 | PrimeIntellect/stackexchange-question-answering |
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Okay, this is a real-time problem. The following is a picture of Customer satisfaction rating, which was displayed next to an item in an online shopping website. Satisfi... | No, though you can infer some limits if you know how the program rounds. The smallest number of voters who can produce a percentage that rounds normally to $94$% is $16$: $\frac{15}{16}=0.9375$, while $\frac{14}{15}$ is only $0.9333\dots\;$. If the program truncates instead of rounding, there must have been at least $1... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/433181', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/49700/']} | jdg_340413 | PrimeIntellect/stackexchange-question-answering |
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I had the problem to check if I am connected to an airplay device and if it is connected via mirroring or streaming. But the check needs to be done before the video started. ... | This is my solution - (BOOL)isAudioSessionUsingAirplayOutputRoute{ /** * I found no other way to check if there is a connection to an airplay device * airPlayVideoActive is NO as long as the video hasn't started * and this method is true as soon as the device is connected to an airplay device */ ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/29561284', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/676778/']} | jdg_311840 | PrimeIntellect/stackexchange-question-answering |
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Here is the XML: <string name="feature3_intro">You shot %1$d pounds of meat!</string> Here is the java code: int numPoundsMeat = 123; String strMeatFormat = getResources().g... | You really have only two choices: parse the JSON (which invariably would involve constructing the objects) or don't parse the JSON. Not parsing is going to be cheaper, of course. At first glance your idea about treating it as a String-manipulation problem might sound fragile, but the more I think about it, the more it ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/7940716', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1011332/']} | jdg_227288 | 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:
When would you ever want NULLS first when ordering a query descending or ascending? In my opinion, the vast majority of the time the desired behavior whether sorting ascendin... | Actually, with default sort order ( ASCENDING ) NULL values come last . Logic dictates that the sort order be reversed with the DESCENDING keyword, so NULLs come first in this case. But the best part comes last: you can choose which way you want it: Use the NULLS FIRST | LAST clause. Quoting the current manual , versio... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/20958679', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/55124/']} | jdg_251889 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 18752 |
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 there are two different proofs for one theorem, at some level are the two proofs the same, or can they be fundamentally different? In other words, if you have two pro... | They can be "completely different". For example, some existence results have both indirect proofs and constructive proofs. There is often no way to interpret the "indirect proof" as "essentially the same" as the constructive proof. Or you have the many different proofs of Quadratic Reciprocity. Gauss's first proof, in ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/18752', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/4728/']} | jdg_161031 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12521 |
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:
What are degenerate polygons? How does one check whether a given pair of polygons is degenerate or not?
Now provide the response and nothing else.
| A polygon is degenerate if some of its vertices lie on each other. e.g the triangle (0,0),(0,1),(0,0) is degenerate. It has 3 sides, and 3 vertices, but two of vertices repeat. It's possible to repeat a vertex multiple times (for example (0,0),(0,0),(0,0) is another degenerate triangle). By definition, checking whether... | {} | {'log_upvote_score': 5, 'links': ['https://cs.stackexchange.com/questions/12521', 'https://cs.stackexchange.com', 'https://cs.stackexchange.com/users/8505/']} | jdg_240247 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10776 |
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:
Is it possible to set the font family to Arial for axes, legends and labels globally? I found out about SetOptions[ Legending`GridLegend, Legending`LegendConta... | In addition to AxesStyle etc. which can be set for specific functions such as Plot with e.g. SetOptions[Plot, ...] there are more global FrontEnd settings by Box type. These are accessible in the Option Inspector: From here we can set options that apply to multiple plot functions, and in fact all Graphics objects that... | {} | {'log_upvote_score': 4, 'links': ['https://mathematica.stackexchange.com/questions/10776', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/1488/']} | jdg_308367 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3075573 |
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 $X$ be a normed linear space and $$d(x,y)=\frac {\|x-y\|} {\sqrt {1+\|x\|^{2}}\sqrt {1+\|y\|^{2}}}$$ Is this a metric? This question arose from the following post wh... | Here is a counter-example: Consider $X = \Bbb R^2$ with the $1$ -norm $$ \Vert (x_1, x_2) \Vert = |x_1| + |x_2|$$ and the points $$ x = (1, 0) \,, \quad y = (1, 1) \,, \quad z = (0, 1) \, .$$ Then $$ \Vert x \Vert = \Vert z \Vert = 1 \,, \quad \Vert y \Vert = 2 \, , \\ \Vert x - y \Vert = \Vert y - z \Vert = 1 \,, \qua... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/3075573', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/142385/']} | jdg_292429 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 469023 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I found the following formula $$\sum_{n=1}^\infty \frac{H_n}{n^q}= \left(1+\frac{q}{2} \right)\zeta(q+1)-\frac{1}{2}\sum_{k=1}^{q-2}\zeta(k+1)\zeta(q-k)$$ and it is cite... | $$\begin{align}&\sum_{j=0}^k\zeta(k+2-j)\zeta(j+2)\\&=\sum_{m=1}^\infty\sum_{n=1}^\infty\sum_{j=0}^k\frac1{m^{k+2-j}n^{j+2}}\tag{1}\\&=(k+1)\zeta(k+4)+\sum_{\substack{m,n=1\\m\ne n}}^\infty\frac1{m^2n^2}\frac{\frac1{m^{k+1}}-\frac1{n^{k+1}}}{\frac1m-\frac1n}\tag{2}\\&=(k+1)\zeta(k+4)+\sum_{\substack{m,n=1\\m\ne n}}^\in... | {} | {'log_upvote_score': 7, 'links': ['https://math.stackexchange.com/questions/469023', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/87813/']} | jdg_298256 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 29636880 |
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 getting this error in a app I am migrating from SF2.0.x to SF2.7: [1] Symfony\Component\Debug\Exception\FatalErrorException: Compile Error: Cannot use isset() on the resu... | From documentation : isset() only works with variables as passing anything else will result in a parse error. You're not directly passing a variable to isset() . So you need to calculate the value first, assign it to a variable, and then pass that to isset() . For example, what you're doing at the moment is something l... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/29636880', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/719427/']} | jdg_353838 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 145248 |
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:
As I read a book on meteorology, 4 billion years ago, atmosphere was made by steam, carbon dioxide, carbon dioxide and a few nitrogen. Then photosynthesis came, run b... | From what we know, the Earth's original atmosphere was not made of nitrogen (or oxygen, or carbon dioxide), but of gases such as hydrogen and helium. These would have been lost to space early on, because the Earth's gravity was not strong enough to hold on to them. The present-day oxygen came from organic sources, as y... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/145248', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/62862/']} | jdg_129579 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 39852613 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
case classes have some nice percs, like copy, hashCode, toString, Pattern Matching . Why not make every Scala class a case class?
Now provide the response and nothing else.
| A case class is extremely good to hold complex values, like entity objects. They are thought precisely for that case, so they provide you methods that make sense precisely for this use case by synthesizing the methods you mentioned and furthermore making your class Serializable and creating a companion object with a "f... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/39852613', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4533188/']} | jdg_100713 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 519310 |
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 make bash script temp.sh with the following content: age=0;((age++)); When I run it as a normal user, it runs fine. But when i run it as root I get error: ./temp.sh: 4... | In the absence of a hashbang, /bin/sh is likely being used. Some POSIX shells do support the ++ and -- operators, and ((...)) for arithmetic evaluations, but are not required to. Since you have not included a hashbang in your example I will assume you are not using one and therefore your script is likely running in a ... | {} | {'log_upvote_score': 5, 'links': ['https://unix.stackexchange.com/questions/519310', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/8563/']} | jdg_240427 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 28920717 |
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 working on an app in swift. Currently, I'm working on the population of a table view with custom cells, see screenshot . However, right now I have the text set so that th... | You can use the sizeWithAttributes method from NSString to get the number of lines your UILabel has. You will have to cast your label text to NSString first to use this method: func countLabelLines(label:UILabel)->Int{ if let text = label.text{ // cast text to NSString so we can use sizeWithAttributes ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/28920717', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4645271/']} | jdg_98972 | PrimeIntellect/stackexchange-question-answering |
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