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 | 8168127 |
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 to copy the entire contents of a vector into a queue in C++. Is this a built in function or is it nessesary to loop over each element?
Now provide the response ... | If you make a new queue, you can use the constructor: std::vector<int> v = get_vector();std::queue<long int, std::deque<long int>> q(std::deque<long int>(v.begin(), v.end())); (You can change the underlying container to taste, though deque is probably the... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/8168127', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/279858/']} | jdg_212909 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 61954228 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I know the title does no make much of a sense, but the code will explain my problem. template<typename T>void foo(T...) {std::cout << 'A';}template<typename... Ts>void foo(Ts... | What even is the first overload? Per [dcl.fct] Where syntactically correct and where “...” is not part of an abstract-declarator, “, ...” is synonymous with “...”. So this makes the first overload a variadic function (that also happens to be templated) that is equivalent to: template<typename T>void foo(T, ...) {std::... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/61954228', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1856429/']} | jdg_254751 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 42962463 |
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 having an issue with the ngrx store not dispatching an action to the effect supposed to deal with it. Here is the component that tries to dispatch: signin() { this.fo... | This is not going to be a definitive answer, but, hopefully, it will be helpful. Before you start: Make sure you are using the latest versions of the @ngrx packages (that are appropriate for the version of Angular you are using). If you've updated any packages, make sure you re-start your development environment (that ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/42962463', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/536299/']} | jdg_344072 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10686183 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'd like to use Vim in the middle of a pipe. This existing post looks like what I'd like to do, except I was hoping to do it without Python's help -- only with bash. [It it... | Take a look at vipe which is part of moreutils . It allows you to use any editor as part of a pipe. ls -al | vipe | less To use it with vim just make sure to set it as your default editor in your bashrc or cshrc or whatever shell you use. EDITOR=vim UPDATE: If you want a bash only solution you could use a script like t... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/10686183', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/491690/']} | jdg_137665 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 151016 |
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:
When I use NDsolve to solve a differential equations, it returns an interpolation function of the discrete result. Because I haven't found another way to do Fouri... | The problem the OP outlines is to get accurate discrete sample values of the solution (on a uniform grid). The OP is correct that there is error in the discretization by NDSolve (truncation error) and in interpolation (though perhaps not "severe"). The question is whether we can avoid the interpolation error. (1) Jus... | {} | {'log_upvote_score': 4, 'links': ['https://mathematica.stackexchange.com/questions/151016', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/49468/']} | jdg_345286 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 213078 |
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:
If we look, for instance, at a Lightning cable, its connector is shaped like "—", with receptacle being "=". Apparently, this construction contributes to durabili... | USB micro-B is known for its high mate/demate cycle specification relative to the other USB connector types. It achieves this by having the sprung contacts in the cable, rather than in the device. This way, only the cable is subject to deformation, and can be replaced if it becomes unreliable. The contacts in the devic... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/213078', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/98068/']} | jdg_191867 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4093618 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I know that through the definitions, $\exists m\in \mathbb{N}$ such that $$f_n \in B(o, \epsilon) \forall n \geq m$$ and $\exists c\in \mathbb{R}^+$ such that $$|g_n|\le... | You are trying to integrate over the the shaded region in the diagram. There are couple of ways to simplify this - i) Use polar coordinates to avoid splitting the integral. In polar coordinates, $x = r \cos\theta, y = r \sin\theta, x^2+y^2 = r^2$ So line $x+y=1$ can be rewritten as $r ({\cos \theta + \sin\theta}) = 1$ ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/4093618', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/911962/']} | jdg_290179 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 290001 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
How can I go about proving that $B^{A \times A'} \cong (B^A)^{A'}$ where $A$, $B$ and $A'$ are objects in a closed cartesian category. The problem is, I can't even find ... | The universal property of exponentiation says that to give a morphism $X\times Y \to Z$ is equivalent to giving a morphism $X \to Z^Y$. We just use this in reverse twice, first to give a morphism $B^{A \times A'} \to (B^A)^{A'}$ is equivalent to giving a morphism $B^{A \times A'} \times A' \to B^A$ (use $X = B^{A \tim... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/290001', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/14391/']} | jdg_151213 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5791235 |
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 select the first item in a ListView programmatically, but it doesn't appear to have been selected. I am using the following code: if (listView1.Items.Count > 0)... | Most likely, the item is being selected, you just can't tell because a different control has the focus. There are a couple of different ways that you can solve this, depending on the design of your application. The simple solution is to set the focus to the ListView first whenever your form is displayed. The user typic... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/5791235', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/322355/']} | jdg_76521 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7803634 |
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 std::vector<Word> data that is off of the struct below: struct Word{ std::string word; int line_number;}; I have read in words from a file and pushed it in to ... | In this scenario you should write a function that compares two Word structs and pass that function to std::sort . bool compare_by_word(const Word& lhs, const Word& rhs) { return lhs.word < rhs.word;}std::sort(data.begin(), data.end(), compare_by_word); In this question you can find solution if you want to write a ge... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/7803634', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/-1/']} | jdg_221254 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 839958 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have a class TContainer that is an aggregate of several stl collections pointers to TItems class. I need to create an Iterator to traverse the elements in all the collectio... | When I did my own iterator (a while ago now) I inherited from std::iterator and specified the type as the first template parameter. Hope that helps. For forward iterators user forward_iterator_tag rather than input_iterator_tag in the following code. This class was originally taken from istream_iterator class (and modi... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/839958', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/103560/']} | jdg_275505 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 32930312 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Rails internally converts scopes to class methods then why can't we use class methods itself instead of going with scopes.
Now provide the response and nothing else.
| From the fine guide : 14 Scopes [...] To define a simple scope, we use the scope method inside the class, passing the query that we'd like to run when this scope is called: class Article < ActiveRecord::Base scope :published, -> { where(published: true) }end This is exactly the same as defining a class method, and whi... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/32930312', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3392317/']} | jdg_285728 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 635915 |
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 object that is my in memory state of the program and also have some other worker functions that I pass the object to to modify the state. I have been passing it by r... | Short answer: read my article on argument passing . Long answer: when a reference type parameter is passed by value, only the reference is passed, not a copy of the object. This is like passing a pointer (by value) in C or C++. Changes to the value of the parameter itself won't be seen by the caller, but changes in the... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/635915', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/32958/']} | jdg_174795 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2104179 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Prove that if $-1<a<1$ , then : $\sqrt[4]{1-a^2} + \sqrt[4]{1-a} + \sqrt[4]{1+a} < 3 $ I do not know how to even approach this problem. Those fourth roots confuse me a l... | It's wrong of course. Try $a=0$. $\sqrt[4]{1-a^2} + \sqrt[4]{1-a} + \sqrt[4]{1+a}\leq3$ is true. Indeed, by P-M $(x+y+z)^4\leq27(x^4+y^4+z^4)$. This inequality follows also from Holder and more: $$(1+1+1)^3(x^4+y^4+z^4)\geq(x+y+z)^4$$ Hence, $$\left(\sqrt[4]{1-a^2} + \sqrt[4]{1-a} + \sqrt[4]{1+a}\right)^4\leq27(1-a^2+1... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2104179', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/-1/']} | jdg_159510 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 24221786 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
In The Swift Programming Language , in the section on Strings, subsection String Mutability , it says this: You indicate whether a particular String can be modified (or mutat... | In a certain way, "mutable" and "immutable" only make sense when talking about reference types. If you try to extend it to value types, then all value types can be considered functionally equivalent to "immutable" reference types. For example, consider a var of type Int . Is this mutable? Some of you might say, sure --... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/24221786', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/327572/']} | jdg_265206 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 54519762 |
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 I press the play button in Android Studio, my app compiles but is shows this error (redacted): Error: Program type already present: android.arch.lifecycle.Transformation... | The flag emojis may not render regardless of what you do, depending on the platform (rather than merely the browser and/or the browser font). To find out, go to https://emojipedia.org/search/?q=emoji+flags and look at the rendering of the emoji flag for Djibouti, to the left of the text " Flag: Djibouti ". If you see a... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/54519762', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/10373237/']} | jdg_190058 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1945351 |
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:
Question : Prove that $C+C=\{x+y\mid x,y\in C\}=[0,2]$, using the following steps: We will show that $C\subseteq [0,2]$ and $[0,2]\subseteq C$. a) Show that for an arbit... | To carry out (b), note that if $\ell\le n_k$, then $x_{n_k}\in C_\ell$. Thus, for each $\ell$ there is an $m(\ell)$ such that $x_{n_k}\in C_\ell$ whenever $k\ge m(\ell)$. Let $\ell$ be arbitrary. Clearly $$x=\lim_{k\ge m(\ell)}x_{n_k}\;,$$ and $C_\ell$ is closed, so $x\in C_\ell$. Thus, $x\in\bigcap_\ell C_\ell=C$. (Yo... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1945351', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/345851/']} | jdg_134232 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2625227 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I am looking for some help with the following two questions, I have included my explanation for part a but I am not sure if it is correct or how to do part b, thanks! Qu... | As stated in the comments, both of your explanations for the answer to part (a) are correct. How many arrangements are possible using five letters from MISSISSIPPI. The number $5$ can be partitioned in $7$ ways.\begin{align*}5 & = \color{red}{5}\\ & = 4 + 1\\ & = 3 + 2\\ & = 3 + 1 + 1\\ & = 2 + 2 + 1\\ & = 2 + 1 +... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2625227', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/412287/']} | jdg_83721 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20742306 |
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 System.IO;class test{ public static void Main() { string path=@"c:\mytext.txt"; if(File.Exists(path)) { File.Delete(path); ... | Try This string path = @"c:\mytext.txt";if (File.Exists(path)){ File.Delete(path);}{ // Consider File Operation 1 FileStream fs = new FileStream(path, FileMode.OpenOrCreate); StreamWriter str = new StreamWriter(fs); str.BaseStream.Seek(0, SeekOrigin.End); str.Write("mytext.txt.........................");... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/20742306', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3103888/']} | jdg_122485 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 290684 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
We have a server CentOS server setup which hosts our websites and email server (using POSTFIX).We manage the system using Virtualmin and Webmin respectively. In general for eve... | It strikes me that all other answers to this old question are link-only. So I am going to describe in few words how to implement my favorite solution for this job. The link that @84104 has suggested, although very useful, cannot be used to properly implement rate per sender. smtpd_client limits are not for traffic cont... | {} | {'log_upvote_score': 5, 'links': ['https://serverfault.com/questions/290684', 'https://serverfault.com', 'https://serverfault.com/users/34632/']} | jdg_301977 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 34897740 |
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 generate a API key and Secret that would be stored in a Redis server. What would be the best way to generate a key and secret? I am develop a Django-tastypie framew... | For python3.6+ import secretsgenerated_key = secrets.token_urlsafe(length) For older versions of python : for a very secure way of generating random number, you should use urandom: from binascii import hexlifykey = hexlify(os.urandom(length)) this will produce bytes, call key.decode() if you need a string For general n... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/34897740', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2533998/']} | jdg_334080 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 23920990 |
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 always used the "trick": select { -moz-appearance: none; text-indent: 0.01px; text-overflow: '';} to do custom select boxes on FF but since version 30 is rele... | Update As of January 2015, this now works again with the release of Firefox 35. See the answer below for historical reference. Background The hack that was used is this: select { -moz-appearance: none; text-indent: 0.01px; text-overflow: '';} In my testing, on FF 29, -moz-appearance:none; had no affect. What c... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/23920990', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1031583/']} | jdg_357585 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3415163 |
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 with Perl and XSL. I try to change value of <Interval> to some number in an XML file. My XML looks like this: <?xml version="1.0"?><Config> <Enabled>false</Ena... | You have two issues regarding the speed of your write and read operations. First, std::copy cannot do a block copy optimization when writing to an output_iterator because it doesn't have direct access to underlying target. Second, you're writing the integers out as ascii and not binary, so for each iteration of your wr... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3415163', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/410999/']} | jdg_378783 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 164996 |
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:
Some background I work at a small startup: 4 devs, 1 designer, and 2 non-technical co-founders, one who provides funding, and the other who handles day-to... | Be strategic and specialize. Target one industry and develop a standardized software solution for that industry that you can improve and customize over time. This will accomplish several things for you: Rather than duplicating code for each project, you'll be building off previous work. Each client you add will expand ... | {} | {'log_upvote_score': 4, 'links': ['https://softwareengineering.stackexchange.com/questions/164996', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/51866/']} | jdg_168417 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 589681 |
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:
After all, they are a (self-sustaining) perturbation of the same field, like sound waves or water waves are "energy flow" (except these ones experience dissipation).A... | You just raised a question about a very important topic, the distinction between interference and interaction. A lot of answers on this site mention interference in connection to the double slit experiment. And you see other phrases like "photons do not interact with each other". I think this needs a little clarificati... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/589681', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/277655/']} | jdg_330813 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 24332025 |
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 remove words of length less than 4 from a string. I use this regex: re.sub(' \w{1,3} ', ' ', c) Though this removes some strings but it fails when 2-3 words of... | Don't include the spaces; use \b word boundary anchors instead: re.sub(r'\b\w{1,3}\b', '', c) This removes words of up to 3 characters entirely: >>> import re>>> re.sub(r'\b\w{1,3}\b', '', 'The quick brown fox jumps over the lazy dog')' quick brown jumps over lazy '>>> re.sub(r'\b\w{1,3}\b', '', 'I am in a bank.')' ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/24332025', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3092632/']} | jdg_353718 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 152953 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
Is there a Riemannian metric on $\mathbb{R}^{2}=\mathbb{R} \times \mathbb{R}$ which is not conformally equivalent to a product metric? More generally, assume that $M$ and $N... | I'll give a partial answer to the OP's second question, which I take to be asking for the obstructions for a metric in dimensions greater than $2$ to be conformal to a product metric. This is, first of all, a local question, since, even locally, most metrics in dimension $3$ or more are not conformally equivalent to a ... | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/152953', 'https://mathoverflow.net', 'https://mathoverflow.net/users/36688/']} | jdg_281543 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9037477 |
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 Lucene to search an index and it works fine. My only issue is that I only need one particular field of what is being returned. Can you specify to Lucene to only r... | This is why FieldSelector class exists.You can implement a class like this class MyFieldSelector : FieldSelector{ public FieldSelectorResult Accept(string fieldName) { if (fieldName == "field1") return FieldSelectorResult.LOAD_AND_BREAK; return FieldSelectorResult.NO_LOAD; }} and use it as index... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9037477', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/982222/']} | jdg_100388 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 398703 |
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:
This Stack Overflow post lists a fairly comprehensive list of situations where the C/C++ language specification declares as to be 'undefined behaviour'. H... | Basically because the designers of Java and similar languages didn't want undefined behavior in their language. This was a trade off - allowing undefined behavior has the potential to improve performance, but the language designers prioritized safety and predictability higher. For example, if you allocate an array in C... | {} | {'log_upvote_score': 8, 'links': ['https://softwareengineering.stackexchange.com/questions/398703', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/309242/']} | jdg_209739 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 17854420 |
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 accessing a REST service which exposes these two resources, a parent resource and a child resource: /users/users/{userId}/account So the resource "account" is not nested... | You won't get what you want from stock Ext classes, you'll have to get a little bit dirty... From what I understand you need the id of the user to load its account, not the id of the account record itself. So, I would configure the association to reflect that: associations: [{ model: "MyApp.model.Account", name: ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/17854420', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2462474/']} | jdg_331878 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
When an observer causes the wave function of a particle to collapse, how can we know that the wave function was not collapsed already before the measurement? Suppose ... | Quantum mechanics was developed in order to match experimental data. The seemingly very weird idea that some observables do not have a definite value before their measurement is not something physicists have been actively promoting, it is something that theoretical considerations followed by many actual experiments hav... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/284724', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/73010/']} | jdg_76871 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I made a function like this: bool IsSameString(char* p1, char* p2) { return 0 == strcmp(p1, p2);} The problem is that sometimes, by mistake, arguments are passed which ar... | No, there's no (standard) way to tell whether a char * actually points to valid memory. In your situation, it is better to use std::string rather than char * s for all your strings, along with the overloaded == operator. If you do this, the compiler would enforce type safety. EDIT: As per the comments below if you find... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1623769', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/114064/']} | jdg_220069 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have a homework problem to convert a user defined 32 bit int to binary using the shift operator. I came up with this code: unsigned int num;int x = 31;cout << "Number to be... | Testing Async Thunk Actions in Redux You are not calling the setSubscribed redux-thunk action creator in any of your tests. Instead you are defining a new action of a the same type and trying to dispatch that on your test. In both of your tests the following action is being dispatched synchronously. const subscribed = ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/40165573', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/6828463/']} | jdg_162754 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm creating a yeoman generator for my web projects. But I wonder how I can try and test my changes before publishing it? Since I have installed it once, it will not run my l... | I finally found some information on how to accomplish this: if you wish to develop on the generators code base, and debug locally, a common way to do so is to rely on npm link git clone the generators repo locally cd into that repository and run npm link . It'll install required dependencies and install the package glo... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/24037761', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/819728/']} | jdg_228653 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have to update many columns in many rows in PostgreSQL 9.1. I'm currently doing it with many different UPDATE queries, each one that works on a different row (based on the ... | Yes, you can (and usually it's preferred in SQL) to update several rows at once. There're a few ways to do this, but most readable and elegant I think is to use derived table with id's and values: update mytable as m set column_a = c.column_a, column_b = c.column_bfrom (values (1, 12, 6), (2, 1, 45), (3,... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/18936896', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/161922/']} | jdg_180390 | 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 storing selenium script the password is visible. how to avoid storing passwords and continue the script?
Now provide the response and nothing else.
| The problem is that you transform the result of ThreadPoolExecutor.map to a list. If you don't do this and instead iterate over the resulting generator directly, the results are still yielded in the original order but the loop continues before all results are ready. You can test this with this example: import timeimpor... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/20838169', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3146120/']} | jdg_154091 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum emacs.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I would like to set the glyph of a certain unicode character. Specifically, I would like the glyph § ( SECTION SIGN ) to represent the unicode character U+202A ( LEFT-T... | What you want to do is to set the display-table entry for character LEFT-TO-RIGHT EMBEDDING to the glyph that is used for character SECTION SIGN . (aset (or (window-display-table) standard-display-table) 8234 ; 0x202A, which is the char LEFT-TO-RIGHT EMBEDDING (vector (make-glyph-code ?§))) If the selected w... | {} | {'log_upvote_score': 4, 'links': ['https://emacs.stackexchange.com/questions/6052', 'https://emacs.stackexchange.com', 'https://emacs.stackexchange.com/users/4084/']} | jdg_301502 | 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:
What i am trying to do is ...int sum[];...for(int z.....){ ... sum[z] = some_random_value; ...} But it gives an error at line sum[z]=ran; that variable sum might not ha... | An array of dynamic size isn't possible in Java - you have to either know the size before you declare it, or do resizing operations on the array (which can be painful). Instead, use an ArrayList<Integer> , and if you need it as an array, you can convert it back. List<Integer> sum = new ArrayList<>();for(int i = 0; i < ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/21643081', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2806163/']} | jdg_198803 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum electronics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I can't tin the iron properly, because feeding solder onto the tip has it flow downwards and collect into a blob before splitting off and creating a mess. My iron... | It's possible you've damaged the plating on the tip. Try wiping the tip on a damp (not sopping wet) sponge and tinning again with fresh electronic grade flux-core solder. It should look like this before you add more solder: The site I scarfed the above photo from mentions using sal ammoniac from your nearest Indian gro... | {} | {'log_upvote_score': 5, 'links': ['https://electronics.stackexchange.com/questions/305449', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/118376/']} | jdg_191807 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have a problem with a regex I wrote to match shortcodes in PHP. This is the pattern, where $shortcode is the name of the shortcode: \[$shortcode(.+?)?\](?:(.+?)?\[\/$shortc... | In your regex: \[$shortcode(.+?)?\](?:(.+?)?\[\/$shortcode\])? The first capture group (.+?) matches at least 1 character. The whole group is optional, but in this case it happens to match every thing up to the last ] . The following regex works: \[$shortcode(.*?)?\](?:(.+?)?\[\/$shortcode\])? The * quantifier means 0 ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11346313', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1504244/']} | jdg_197987 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
This might be a well-known problem but I am having trouble to find this. For square matrices $X, A, B,$ how to obtain the general solution for $X$, for the quadratic matrix eq... | This relationship is called congruence, and for symmetric (or hermitian) matrices $A, B$ such an $X$ exists if and only if the matrices have the same inertia (the same number of positive, negative, zero eigenvalues). Fro general matrices congruence is much less well known, but it is quite well understood, see: https://... | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/78106', 'https://mathoverflow.net', 'https://mathoverflow.net/users/18526/']} | jdg_92823 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I am trying to reinitialize a Overlay on new ajax loaded elements.Here my code: $('input.search-files').keyup(function(event){ if( event.keyCode == 13 ) { $.aja... | When you append an Element (e.g. the <div> ) into the DOM, the Element gets added as a child of its new parent. The div's children are not changed. When you remove the element from its parent, the Element is just detached from the DOM. It you still have a reference to the Element it will still contain its children, ava... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/18231368', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1367436/']} | jdg_161237 | 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:
loadee.rb puts '> This is the second file.' loaddemo.rb puts 'This is the first (master) program file.'load 'loadee.rb'puts 'And back again to the first file.' When I run "ru... | If you provide just a filename to require , it will only look in the predefined $LOAD_PATH directories. However, if you provide a path with your filename, it should work: puts 'This is the first (master) program file.'require './loadee.rb'puts 'And back again to the first file.' You could also add your project's folder... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5998917', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/440119/']} | jdg_163980 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 25625378 |
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 WP7 and WP8 I just needed to clear the backstack in a page, then press Back button and the app is closed. In WP8.1 I do Frame.BackStack.Clear(), press Back and the app jus... | You can add, in your main page definition: Windows.Phone.UI.Input.HardwareButtons.BackPressed += HardwareButtons_BackPressed; Then private void HardwareButtons_BackPressed(object sender, Windows.Phone.UI.Input.BackPressedEventArgs e){ if (!e.Handled && Frame.CurrentSourcePageType.FullName == "YourApp.MainPage") ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/25625378', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1921275/']} | jdg_352664 | 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:
Does the C++ standard library have an "ordered set" datastructure? By ordered set, I mean something that is exactly the same as the ordinary std::set but that remembers the o... | No single, homogeneous data structure will have this property, since it is either sequential (i.e. elements are arranged in insertion order) or associative (elements are arranged in some order depending on value). The best, clean approach would perhaps be something like Boost.MultiIndex , which allows you to add multip... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/7801109', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/726361/']} | jdg_358322 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I don't know if hashing is the right word for this, but I want to convert a string into a hex or argb color semi randomly. I've used the string.GetHasCode function, but the r... | Create an MD5 hash of the string and take the first three bytes as the red, green and blue components respectively. The following demo produces a reasonable distribution of colors. var words = ("She sells sea shells on the sea shore but the sea " + "shells she sells are sea shells no more.").Split(' ');var ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/3887083', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/464915/']} | jdg_305900 | 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:
Why doesn`t this work: class X: var1 = 1 def __enter__(self): pass def __exit__(self, type, value, traceback): passwith X() as z: print z.var1 I get: print z.var1... | Change the definition of X to class X(object): var1 = 1 def __enter__(self): return self def __exit__(self, type, value, traceback): pass with assigns the return value of the __enter__() method to the name after as . Your __enter__() returned None , which was assigned to z . I also changed the c... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/5093382', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/79470/']} | jdg_117445 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm trying to learn Complexity classes.I want to show Hamiltonian cycle is NP Complete. The text tells me that Inorder to prove NP-Completeness we first show it belongs ... | A language is in NP if a proposed solution can be verified in polynomial time. In this case a proposed solution is simply a listing of the vertices in the order they appear in the claimed cycle. This list is the so-called certificate. To check if this list is actually a solution to the Hamiltonian cycle problem, one ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/886334', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/81881/']} | jdg_180999 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum astronomy.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I don't mean necessarily a granular chart of all of the different rings at different distances, but is it days? Weeks?
Now provide the response and nothing else.
| Hours to days. The orbital period is proportional to the 3/2 power of the orbital radius, and the orbital period of the moon Methone (and thus of the particles in its associated ring arc) is very close to 24 hours. Working from the orbital radii given in this table , I get: D ring: ~5 hours C ring: ~6-7 hours B ring: ~... | {} | {'log_upvote_score': 5, 'links': ['https://astronomy.stackexchange.com/questions/25405', 'https://astronomy.stackexchange.com', 'https://astronomy.stackexchange.com/users/22065/']} | jdg_282099 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
How to solve this by using the generating functions? What is the possible solution for this? recurrence relation $$ a_n = 5a_{n-1} – 6a_{n-2}, n \ge 2,\text{ given }a_0 ... | This is just a straightforward usage of standard algorithm. This relation has characteristic equation of the form $s^2=5s-6$. Its solutions are $s=2$, $s=3$. Thus, we obtain general solution $a_n=C_1 2^n+C_2 3^n$. Since $a_0=1$ and $a_1=4$ we have equations$$C_1 2^0+C_2 3^0=1$$$$C_1 2^1+C_2 3^1=4$$to determine coeffici... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/91418', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/20316/']} | jdg_171726 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I had a static library file. How can I see whether it is compiled in i386 or in arm platform. Thanks.
Now provide the response and nothing else.
| In Unix (and similar - say, Linux or Minix) systems, you can use the "file" utility: %file /lib/libc.so.7libc.so.7: ELF 64-bit LSB shared object, x86-64, version 1 (FreeBSD), dynamically linked, stripped (the % indicates a shell prompt and is not part of the command) As for Windows, I don't know if there is a built-in ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9260948', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/932108/']} | jdg_283489 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
I am having trouble in delivering mail to google from a fresh sendmail install on ubuntu 14.04. The DNS-records seem to be fine for the ip. Something else must be wrong. Sendin... | From Google's point of view, they are trying to verify the identity of the IP address connecting to them, so they will attempt to look up the PTR record for 2a01:4f8:212:27c8::2 . When they resolve that to staging.findix.com , they will then attempt to check that this resolves back to 2a01:4f8:212:27c8::2 - which it do... | {} | {'log_upvote_score': 5, 'links': ['https://serverfault.com/questions/732187', 'https://serverfault.com', 'https://serverfault.com/users/84332/']} | jdg_277616 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 35927 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
Let $\pi_k(x)=|\{n\le x:n=p_1p_2\cdots p_k\}|$ be the counting function for the k -almost primes, generalizing $\pi(x)=\pi_1(x)$ . A result of Landau is $$\pi_k(x)\sim\frac{x(... | I'll address Joel's edited question of getting good asymptotics on RH. The argument below is essentially due to Selberg, but this is not quite what he does and I haven't seen it presented this way in the literature. The natural problem is to consider the coefficients of $(\log \zeta (s))^k/k!$ rather than numbers with... | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/35927', 'https://mathoverflow.net', 'https://mathoverflow.net/users/6043/']} | jdg_367132 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I am trying to figure out an efficient way to remove objects that are duplicates from an array and looking for the most efficient answer. I looked around the internet everyth... | I see, the problem there is that the complexity is squared. There is one trick to do it, it's simply by using "Associative arrays". You can get the array, loop over it, and add the value of the array as a key to the associative array. Since it doesn't allow duplicated keys, you will automatically get rid of the duplica... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/19501441', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2543758/']} | jdg_186481 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
In a java app, assuming I have option of choosing the following comparison methods equalsIgnoreCase(String anotherString) compareToIgnoreCase(String str) Which one is faster?... | equalsIgnoreCase can be a lot faster. For example, consider two strings which start with the same 10,000 characters - but one of them has an extra character at the end. equalsIgnoreCase can return immediately; compareToIgnoreCase has to iterate to the end of the string to see the difference. But generally I'd go with w... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/838987', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1175964/']} | jdg_108313 | 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:
To commemorate the public launch of Stack Overflow, what's the shortest code to cause a stack overflow? Any language welcome. ETA: Just to be clear on this question, seeing a... | All these answers and no Befunge? I'd wager a fair amount it's shortest solution of them all: 1 Not kidding. Try it yourself: http://www.quirkster.com/iano/js/befunge.html EDIT: I guess I need to explain this one. The 1 operand pushes a 1 onto Befunge's internal stack and the lack of anything else puts it in a loop und... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/62188', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/13/']} | jdg_148256 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2220045 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
When we reverse the limits and then change the signs of the limits of the definite integral $$\int\limits_{-R}^{-\epsilon}\frac{e^{ix}}{x}dx $$ the integral becomes$$-\i... | In fact, there is another sign change involved. Formally, it is best to perform the substitution $u = -x$. Then $du = -dx$ and so $$ \int_{-R}^{-\varepsilon} \frac{e^{ix}}{x} \, dx = \int_{R}^{\varepsilon} \frac{e^{-iu}}{-u} \, (-du) = \int_{R}^{\varepsilon} \frac{e^{-iu}}{u} \, du = -\int_{\varepsilon}^{R} \frac{e^{-i... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2220045', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/209695/']} | jdg_256817 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I decided that i want to investigate what is the best possible way to handle big amount of traffic with NodeJS server, i did a small test on 2 digital ocean servers which has... | Now i wonder why ? did i do anything wrong? Your test server doesn't do anything other than a res.redirect() . If your request handlers use essentially no CPU, then you aren't going to be CPU bound at all and you won't benefit from involving more CPUs. Your cluster will be bottlenecked at the handling of incoming con... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/48050405', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/8575265/']} | jdg_272172 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have documents similar to this stored in mongodb { "_id":"transaction_id" "customer":"some customer", "order_date":Date('2011-01-01'), "delivery_date":Date('2011-01-15'), "... | You can do this in a single query, you just need to be a little creative with manipulating the documents and then essentially do two $group stages, adding by date first and then by the customer. So first of all for current MongoDB versions 2.6 and above due to some of the operators used: db.transactions.aggregate([ ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/23745097', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1455929/']} | jdg_245897 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Given $R$ an integral domain (commutative ring with no zero divisors), and $\mathfrak P$ a prime ideal in $R$ , is there a relation between the field of fractions of $R$... | With regard to the question in your first sentence, you may want to think about the example of $R = \mathbb Z$, $\mathfrak P = p \mathbb Z$ for a prime $p$,and ask yourself what relationship (if any) there is between $\mathbb Q$ (the field of fractions of $\mathbb Z$) and $\mathbb F_p = \mathbb Z/p\mathbb Z$ (the finit... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/18622', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/685/']} | jdg_191370 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 22824 |
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 recently learned of a way for person B to verify that a document sent from person A is indeed from person A. Person A gives Person B his public RSA key. This ... | There is more than one reason: 1) Actually the RSA algorithm is slower. For instance : By comparison, DES (see Section 3.2) and other block ciphers are much faster than the RSA algorithm. DES is generally at least 100 times as fast in software and between 1,000 and 10,000 times as fast in hardware, depending on the imp... | {} | {'log_upvote_score': 6, 'links': ['https://security.stackexchange.com/questions/22824', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/15146/']} | jdg_116007 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20268114 |
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 C++11 code. #include <type_traits>using IntType = unsigned long long;template <IntType N> struct Int {};template <class T>struct is_int : std::false_type... | The surprise This is a subtle Clang bug, deeply buried in the Standard. The problem is that in almost all cases, non-type template arguments can be converted to the type of the template parameter . E.g. the expression Int<0> has an int literal argument of value 0 that is being converted to the type unsigned long long o... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/20268114', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3046011/']} | jdg_308225 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19952200 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Let's say I have this following bit of code in C: double var;scanf("%lf", &var);printf("%lf", var);printf("%f", var); It reads from stdin variable 'var' and then prints twice... | For variable argument functions like printf and scanf , the arguments are promoted, for example, any smaller integer types are promoted to int , float is promoted to double . scanf takes parameters of pointers, so the promotion rule takes no effect. It must use %f for float* and %lf for double* . printf will never see ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/19952200', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1769519/']} | jdg_80150 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 52333446 |
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 must be doing something wrong here but I can't figure it out; it seems to be a CORS issue from what I can tell. I need to expose Access-Control-Expose-Headers: * to any ori... | The CorsPolicyBuilder 's AllowAnyHeader method configures the Access-Control-Allow-Headers response header, which is used only for preflighted requests . The Access-Control-Expose-Headers response header is what's needed, which is configured using WithExposedHeaders . Here's a complete example: services.AddCors(options... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/52333446', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/970191/']} | jdg_213306 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 27691921 |
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. When compiling I get an error saying value email is not a member of Player class Player(email: String){ override def equals(player: Any): Boolean ... | email is only a constructor parameter and not a member of the class itself. You can make it as such by preceding it with val class Player(val email: String) { override def equals(player: Any): Boolean = { player match { case p: Player => email.equals(p.email) case _ => false } }} For completeness, you... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/27691921', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/672841/']} | jdg_157878 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 400351 |
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 using a Debian 9 image on a virtual machine. The ping command is not installed. When I run: sudo apt-get install ping It asks me: Package ping is a virtual package p... | iputils ’s ping supports quite a few more features than inetutils ’ ping , e.g. IPv6 (which inetutils implements in a separate binary, ping6 ), broadcast pings, quality of service bits... The linked manpages provide details. iputils ’ ping supports all the options available on inetutils ’ ping , so scripts written for ... | {} | {'log_upvote_score': 6, 'links': ['https://unix.stackexchange.com/questions/400351', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/74926/']} | jdg_337148 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8077111 |
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 having a hard time understanding these when it comes to designing a class diagram, from what I know composition is a "has-a" relationship but Aggregation ?? I have no id... | The main difference between an aggregation and a composition is the property of your "has-a" relationship. It' either strong or weak. The aggregations "has-a" relationship is of "weak-type". Weak meaning the linked components of the aggregator may survive the aggregations life-cycle or may be accessed in some other way... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/8077111', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/962206/']} | jdg_375708 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 253422 |
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:
For example, while this works: $ echo foofoo This doesn't: $ /bin/sh -c echo foo Whereas this does: $ /bin/sh -c 'echo foo; echo bar'foobar Is there an explanation?
Now... | From man sh -c string If the -c option is present, then commands are read from string. If there are arguments after the string, they are assigned to the positional parameters, starting with $0 It means your command should be like this: $ sh -c 'echo "$0"' foo foo Similarly: $ sh -c 'echo "$0 $... | {} | {'log_upvote_score': 6, 'links': ['https://unix.stackexchange.com/questions/253422', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/67045/']} | jdg_219056 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5033 |
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:
Due to a vulnerability in how PHP was installed (Shared VPS with PHP installed as an Apache module instead of CGI) and hence how OSCommerce was configured (with secu... | What was uploaded is a popular shell script - a common post exploitation method.The one you got seems like it is of the C99 variety. In short, its a script that gives the attacker a control panel to your server, so that he can execute commands, download and install malicious things, find files with passwords, further i... | {} | {'log_upvote_score': 5, 'links': ['https://security.stackexchange.com/questions/5033', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/3246/']} | jdg_356970 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 95570 |
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 I have a function $f:\mathbb{C}\rightarrow \mathbb{C}$, holomorphic on some neighborhood of an annulus $r\le|z|\le R$, $r<R$. If, for $z\in\{|z|=r\text{ or }|z|=... | The answer is no. An example of such a function is the Ahlfors function , which in the case of the annulus is a 2-to-1 mapping of the annulus onto the unit disk, which extends to be holomorphic on a neighborhood of the annulus and which maps each boundary circle to the unit circle. More generally, let $\Omega$ be a fin... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/95570', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/18240/']} | jdg_112754 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 563765 |
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:
When we pluck a string, it vibrates in all possible modes of vibrations. The lowest frequency possible is the fundamental frequency and it is the most significant par... | Why not calculate it? Consider a string of length $L$ , with its ends fixed at $x=\pm\frac{L}{2}$ . Let's assume for convenience that at time $t=0$ the string is "plucked" at $x = 0$ , so that the string displacement relative to its equilibrium position is given by $$f(x)=A\left|1-\frac{2x}{L}\right|.$$ The standing wa... | {} | {'log_upvote_score': 7, 'links': ['https://physics.stackexchange.com/questions/563765', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/207197/']} | jdg_189489 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 101354 |
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:
If I have a star rating system where users can express their preference for a product or item, how can I detect statistically if the votes are highly "divided". Meanin... | One could construct a polarization index; exactly how one defines it depends on what constitutes being more polarized (i.e. what, exactly do you mean, in particular edge cases, by more or less polarized?): For example, if the mean is '4', is a 50-50 split between '3' and '5' more, or less polarized than 25% '1' and 75... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/101354', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/24652/']} | jdg_155993 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 650698 |
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:
The last few lines of my file /usr/share/glib-2.0/schemas/org.gnome.Vino.gschema.xml : <schemalist> <schema> <!-- some other tags --> <key name='notify-on-connect'... | Since your given example is a valid XML file, so I would use xq XML parser tool for that which is part of the yq installation package . xq -x --xml-root key ' .schemalist.schema.key[] | select(."@name" == "enabled")' infile.xml select the "key" tag if its "@name" attribute was equal to 'enabled'. from the xq -h : --... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/650698', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/472795/']} | jdg_261335 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1421672 |
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 read somewhere that if you want a C/C++ function to return a character array (as opposed to std::string), you must return const char* rather than char*. Doing the latter ma... | If you have a function that returns "string literals" then it must return const char*. These do not need to be allocated on the heap by malloc because they are compiled into a read-only section of the executable itself. Example: const char* errstr(int err){ switch(err) { case 1: return "error 1"; case ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1421672', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/107627/']} | jdg_145316 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 777299 |
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 recently had an XFS filesystem become corrupt due to a powerfail. (CentOS 7 system). The system wouldn't boot properly. I booted from a rescue cd and tried xfs_repair , it to... | If you're attempting to run xfs_repair , getting the error message that suggests mounting the filesystem to replay the log, and after mounting still receiving the same error message, you may need to perform a forced repair (using the -L flag with xfs_repair ). This option should be a last resort. For example, I'll use ... | {} | {'log_upvote_score': 6, 'links': ['https://serverfault.com/questions/777299', 'https://serverfault.com', 'https://serverfault.com/users/2494/']} | jdg_269800 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1285980 |
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 develop iphone apps on my jailbroken iphone, and I can't seem to get the process down, for whenever I deploy my app, set all file permissions to 777, and respri... | I had the same issue, ldid did not work for me at all. Here's my solution: Open Keychain Access on the Mac In the menu, go to "Keychain Access -> Certificate Assistant -> Create a Certification" Name it "Cydia Developer" or whatever, type is "self-signed root" and check "let me override defaults". The only option you n... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1285980', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/78182/']} | jdg_289251 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8007883 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Somehow i dun know why does the default animation fails. my Search bar did not shift up as it supposed to be. the view is in UIView, i'm wondering if this is the problem. Inc... | The searchbar doesn't actually move in the 'push-up' animation. Rather it stays in place while the navbar goes up, thus pulling the rest of the view with it. You should be able to move the search bar manually in code by registering as its delegate (UISearchBarDelegate) and responding to these calls. #pragma mark - UIS... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8007883', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/537422/']} | jdg_380765 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 40059573 |
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 an API call which requires a time in milliseconds. I am pretty new in R and been Googling for hours to achieve something like what In Java would be: System.... | Sys.time does not return a "formatted time". It returns a POSIXct classed object, which is the number of seconds since the Unix epoch. Of course, when you print that object, it returns a formatted time. But how something prints is not what it is. To get the current time in milliseconds, you just need to convert the out... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/40059573', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1796274/']} | jdg_294794 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 334289 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
Suppose $X$ is proper flat scheme over Sepc $\mathbb{Z}$ . If $p$ is a large prime, then by Weil conjectures one can recover the Betti numbers of $X$ from the size of $X(\math... | For the first claim, I think you want to also assume $X$ is smooth (away from some finite set of primes, not including $p$ ). For the second claim, again with the assumption that $X$ is smooth, this would follow from a weak form of the generalized Sato-Tate conjecture. But nothing like this is known currently without v... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/334289', 'https://mathoverflow.net', 'https://mathoverflow.net/users/142000/']} | jdg_355643 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 167678 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
To solve facebook authorization connection on our server, we've decided to open all outgoing connection/ports in firewall to see if it's really security issue. after allowing, ... | I think the "common wisdom" behind locking down traffic egressing the network has always been something like "Bad people could send traffic out of your network in ways you don't want them to." Certainly, I've seen remote exploits foiled by aggressive firewalls preventing the exploit code from FTP'ing out to download it... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/167678', 'https://serverfault.com', 'https://serverfault.com/users/50410/']} | jdg_265374 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 40073530 |
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 thought to post up a Q&A on this as I did not find anything similar. If it already exists, please mark this as a duplicate. The following code, running under Bash shell, do... | ${parameter:-word} is a type of parameter expansion : ${parameter:-word} If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted. So ${@:-1} is interpreted as: If $@ is unset or null, substitute with 1 Else leave $@ as it is Since the latter is true, echo p... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/40073530', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/133939/']} | jdg_141835 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 56236 |
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 $k$ is a algebraically closed field,$\mathbb{P}_k^n$ is the projective space over $k$,given the Zariski topology.A regular function on $\mathbb{P}_k^n$ is a func... | I personally like how Shafarevich answers this question in his book Basic Algebraic Geometry: Varieties in Projective Space. It goes something like this: First you prove that if you have a regular map $f:X\to Y$, then its graph is closed in $X\times Y$. It's easy to see that it is enough to assume that $Y$ is projectiv... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/56236', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/14242/']} | jdg_332159 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 17438906 |
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 DataFrame with an index called city_id of cities in the format [city],[state] (e.g., new york,ny containing integer counts in the columns. The problem is that I have... | Starting from >>> df val1 val2 val3city_id houston,tx 1 2 0houston,tx 0 0 1houston,tx 2 1 1somewhere,ew 4 3 7 I might do >>> df.groupby(df.index).sum() val1 val2 val3city_id houston,tx 3... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/17438906', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2337204/']} | jdg_95403 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 406245 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
How do we allow certain set of Private IPs to enter through SSH login(RSA key pair) into Linux Server?
Now provide the response and nothing else.
| You can limit which hosts can connect by configuring TCP wrappers or filtering network traffic (firewalling) using iptables . If you want to use different authentication methods depending on the client IP address, configure SSH daemon instead (option 3). Option 1: Filtering with IPTABLES Iptables rules are evaluated in... | {} | {'log_upvote_score': 7, 'links': ['https://unix.stackexchange.com/questions/406245', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/261580/']} | jdg_382924 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 417956 |
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 disabled most of my entries in /proc/acpi/wakeup/ to make sure only the power button and the laptop lid can resume my system, not the mouse or keyboard. The problem is... | For a USB mouse or keyboard, you can use a udev rule to make the setting permanent. First, look up the PCI vendor ID of your mouse/keyboard using lsusb . For my mouse, it's 046d : Bus 001 Device 006: ID 046d :c52b Logitech, Inc. Unifying Receiver Then create a "rules" file like my /etc/udev/rules.d/logitech.rules , o... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/417956', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/233767/']} | jdg_240655 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 622930 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
If someone is purposely trying to modify two files to have the same hash, what are ways to stop them? Can md5 and sha1 prevent the majority case? I was thinking of writing my... | MD5 is generally considered insecure if hash collisions are a major concern. SHA1 is likewise no longer considered acceptable by the US government. There is was a competition under way to find a replacement hash algorithm, but the recommendation at the moment is to use the SHA2 family - SHA-256, SHA-384 or SHA-512. [... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/622930', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/-1/']} | jdg_296655 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9807089 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Sorry, poorly descripted title and couldn't think of how to phrase it. Working on a system which has tiered-view permissions. To better describe what I mean... 0th tier ... | For plugin activations, the 'admin_notices' hook cannot be used directly, because there is a redirect. A workaround is to store your notice in the options table and check for it next time. Also, if you also want to cover plugin upgrades as well as activations, you will need to use another hook, such as 'admin_init' (si... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/9807089', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1090190/']} | jdg_161467 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 71253 |
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 looking for guidelines on what one should and should not include in the various startup files for zsh . I understand the order of sourcing of these files, and the co... | Here is a non-exhaustive list, in execution-order, of what each file tends to contain: .zshenv is always sourced. It often contains exported variables that should be available to other programs. For example, $PATH , $EDITOR , and $PAGER are often set in .zshenv . Also, you can set $ZDOTDIR in .zshenv to specify an alte... | {} | {'log_upvote_score': 10, 'links': ['https://unix.stackexchange.com/questions/71253', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/10618/']} | jdg_122988 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 72400 |
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:
So, I am revisiting complexity analysis. Here's the example: the instructor reduced an algorithm to: n*(1 + 1/2 + 1/3 + ... + 1/n), and I can't seem to grasp why the part ... | Do you know the Harmonic series (wiki) ? $$1 + \frac{1}{2} + \cdots + \frac{1}{n} = 1 + \sum_{i=2}^{n} \frac{1}{i} \le 1 + \int_{1}^{n} \frac{1}{x} \text{d}x = 1 + \ln n = \Theta(\log n).$$ Similarly, we also have $$1 + \frac{1}{2} + \cdots + \frac{1}{n} = \sum_{i=1}^{n} \frac{1}{i} \ge \int_{1}^{n+1} \frac{1}{x} \text... | {} | {'log_upvote_score': 4, 'links': ['https://cs.stackexchange.com/questions/72400', 'https://cs.stackexchange.com', 'https://cs.stackexchange.com/users/68898/']} | jdg_185253 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6768 |
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:
With all the hubbub over the reactors in Japan and nuclear safety, I was wondering why the insertion of the control rods in Fukushima did not shut down the reactor? S... | Per this article on the subject: http://theenergycollective.com/nathantemple/53384/how-shutdown-and-core-cooling-japanese-reactors-likely-functions Even with rods inserted, the reactor continues to produce heat equivalent to about 3% of its full power level. This is not the same as taking a pot off the stove and le... | {} | {'log_upvote_score': 5, 'links': ['https://physics.stackexchange.com/questions/6768', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/435/']} | jdg_134593 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3970415 |
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:
$$\sum_{k=0}^\infty \frac{2}{k} \tag1$$ and $$\sum_{k=0}^\infty (k+1) \div \frac{k^2 + k}{2} \tag2$$ Are equal to the same thing: $$\begin{align}\text{UNDEF} &+ 2 + 1 + ... | $$(k+1)\div\frac{k^2+k}{2}=(k+1)\cdot \frac{2}{k^2+k}=\frac{2(k+1)}{k(k+1)}=\frac 2k$$ In other words, the summands are both the same, although both sums are divergent, so you can't say that the sums are equal. Also, it should be summed from $1$ to $\infty$ , as $\frac 2k$ and $(k+1)\div\frac{k^2+k}{2}$ are undefined a... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3970415', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/836832/']} | jdg_94075 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 25038429 |
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: <Error><Code>AuthenticationFailed</Code><Message>Server failed to authenticate the request. Make sure the value of Authorization header is formed corr... | Short Answer: Add comp=list&restype=container to your SAS URL and you should not get this error. Long Answer: Essentially from your SAS URL, Azure Storage Service is not able to identify if the resource you're trying to access is a blob or a container and assumes it's a blob. Since it assumes the resource type is blob,... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/25038429', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/236409/']} | jdg_325488 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 32132064 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
As far as I'm aware (see here , and here ) there is no type discovery mechanism in the reflect package , which expects that you already have an instance of the type or value ... | (see bottom for 2019 update) Warning : untested and hacky. Can break whenever a new version of Go is released. It is possible to get all types the runtime knows of by hacking around Go's runtime a little. Include a small assembly file in your own package, containing: TEXT yourpackage·typelinks(SB), NOSPLIT, $0-0 JMP... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/32132064', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/605022/']} | jdg_146295 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 25768023 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I know you usually show what you've tried in a question, but this is more of a "Do you have a good routine that does this?" question and I'm hoping you'll be willing to let i... | Yes it is possible :) What you need to do is change the formatting of the cells that you plan to copy by mimicking the DisplayFormat and then deleting the conditional formatting Sub Keep_Format() Dim ws As Worksheet Dim mySel As Range, aCell As Range '~~> Change this to the relevant sheet Set ws = ThisWorkb... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/25768023', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1693085/']} | jdg_252612 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 641280 |
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 ASP.NET controls are rendered their ids sometimes change, like if they are in a naming container. Button1 may actually have an id of ctl00_ContentMain_Button1 when it is... | This post by Dave Ward might have what you're looking for: http://encosia.com/2007/08/08/robust-aspnet-control-referencing-in-javascript/ Excerpt from article: Indeed there is. The better solution is to use inline ASP.NET code to inject the control’s ClientID property: $get('<%= TextBox1.ClientID %>') Now the correc... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/641280', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/450954/']} | jdg_215566 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11446478 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I am wondering how to best truncate text in a QLabel based on it's maximum width/height.The incoming text could be any length, but in order to keep a tidy layout I'd like to ... | Even easier - use the QFontMetrics.elidedText method and overload the paintEvent, here's an example: from PyQt4.QtCore import Qtfrom PyQt4.QtGui import QApplication,\ QLabel,\ QFontMetrics,\ QPainterclass MyLabel(QLabel): def paintEvent( self, even... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11446478', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1399710/']} | jdg_192836 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 654469 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I have many files in a directory, and I want to remove all but one of the files that have the same prefix. For example, I have the files with the pattern filename.__<ran... | #!/bin/bashdeclare -A seenfor name in *.__*.pdf; do prefix=${name%%.__*.pdf} if [[ -z ${seen[$prefix]} ]]; then printf 'keeping "%s"\n' "$name" seen[$prefix]=1 else printf 'deleting "%s"\n' "$name" # rm -f -- "$name" fidone The scri... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/654469', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/476324/']} | jdg_266713 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11599462 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Given the following code: int main(int argc, char *argv[]){ int pipefd[2]; pid_t cpid; char buf; if (argc != 2) { fprintf(stderr, "Usage: %s \n", argv[0]);... | Whenever the child process wants to read from the pipe, it must first close the pipe's side from writing. If the process — parent or child — is not going to use the write end of a pipe, it should close that file descriptor. Similarly for the read end of a pipe. The system will assume that a write could occur while an... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11599462', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/779111/']} | jdg_259216 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 30413 |
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:
I broke 2 spark plugs in my Buick lesabre 3800. The plug is broken at the top of the nut. The porcelain is all broken off in the socket. Took it to a mechanic and w... | Sounds to me like the plug is still in the head as normal, just with the porcelain and electrode snapped on the top end (where the ignition line attaches). If that's the case, it should be really easy to handle, you just need the exact right tool. You may need to take the manifold off to open up your workspace, but you... | {} | {'log_upvote_score': 4, 'links': ['https://mechanics.stackexchange.com/questions/30413', 'https://mechanics.stackexchange.com', 'https://mechanics.stackexchange.com/users/17797/']} | jdg_91171 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12290639 |
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 tried to find an answer to this using SO. There are a number of questions that list the various pros and cons of building a header-only library in c++, but I haven't bee... | Summary (notable points): Two packages benchmarked (one with 78 compilation units, one with 301 compilation units) Traditional Compiling (Multi Unit Compilation) resulted in a 7% faster application (in the 78 unit package); no change in application runtime in the 301 unit package. Both Traditional Compiling and Header-... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/12290639', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/278976/']} | jdg_343225 | PrimeIntellect/stackexchange-question-answering |
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