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 | 9796078 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Related to - PostgreSQL DISTINCT ON with different ORDER BY I have table purchases (product_id, purchased_at, address_id) Sample data: | id | product_id | purchased_at |... | Quite a clear question :) SELECT t1.* FROM purchases t1LEFT JOIN purchases t2ON t1.address_id = t2.address_id AND t1.purchased_at < t2.purchased_atWHERE t2.purchased_at IS NULLORDER BY t1.purchased_at DESC And most likely a faster approach: SELECT t1.* FROM purchases t1JOIN ( SELECT address_id, max(purchased_at) max... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/9796078', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/804554/']} | jdg_193411 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1641156 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
During a code review, a senior dev commented on some nesting I had going on in my code. He suggested I set a bool value so that I never have more than one level of nesting. ... | I like yours better, but I'd probably do something like: if (condition1 && condition2 && condition3){ return true;}else if (!condition1){ log("condition1 failed");}else if (!condition2){ log("condition2 failed");}else{ log("condition3 failed");}return false; If the conditions are complex expressions then I ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1641156', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/174031/']} | jdg_118059 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 26982886 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
What is the difference between these 2 relationships? Edit: Also if you could provide a simple code example illustrating the difference, that would be really helpful!
Now pr... | I'm trying to give simple examples of the two types of lines. In the first diagram, the solid line shows an association: If the classes were declared in Java, this would be like ClassA storing a reference to ClassB as an attribute (it could be passed in to the constructor, created, etc.). So, you might see something li... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/26982886', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1030598/']} | jdg_153305 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 116788 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
I'd like to know which of the set theories in SOSOA prove what versions of Cantor-Schroder-Bernstein? For my own purposes I can use arbitrarily high quantifier complexity, bu... | I will show that variants of the following proof work in extremely weak set theories but perhaps not in $\mathsf{B}_0^{\mathrm{set}}$. We can always reduce to the case where one of the two injections is an inclusion. Suppose that $B \subseteq A$ and $f:A \to B$ is an injection. Say that $x \in B$ is a $B$-stopper if th... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/116788', 'https://mathoverflow.net', 'https://mathoverflow.net/users/38783/']} | jdg_294162 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 358835 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Assuming the following hypothetical inheritance hierarchy: public interface IA{ int ID { get; set; }}public interface IB : IA{ string Name { get; set; }} Using reflection a... | I've tweaked @Marc Gravel's example code into a useful extension method encapsulates both classes and interfaces. It also add's the interface properties first which I believe is the expected behaviour. public static PropertyInfo[] GetPublicProperties(this Type type){ if (type.IsInterface) { var propertyInf... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/358835', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/31770/']} | jdg_302876 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 494465 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Short of parsing the output of ipconfig , does anyone have a 100% pure java way of doing this?
Now provide the response and nothing else.
| This is pretty easy: try { InetAddress localhost = InetAddress.getLocalHost(); LOG.info(" IP Addr: " + localhost.getHostAddress()); // Just in case this host has multiple IP addresses.... InetAddress[] allMyIps = InetAddress.getAllByName(localhost.getCanonicalHostName()); if (allMyIps != null && allMyIps.length > ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/494465', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2443/']} | jdg_196107 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10414889 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Yes I'm aware of the IEEE-754 half-precision standard, and yes I'm aware of the work done in the field. Put very simply, I'm trying to save a simple floating point number (li... | You could store three digits in BCD and use the remaining four bits for the decimal point position: 52.1 = 521 * 10 ^ -1 => 0x15211.25 = 125 * 10 ^ -2 => 0x2125 This would give you a range from 0.0000000000000001 to 999. You can of course add an offset for the decimal point to get for example the range 0.0000000001 to ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10414889', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/41021/']} | jdg_353760 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 30381 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
What is authoritative canonical formal definition of function? For example, According to Wolfram MathWorld ,$$isafun_1(f)\;\leftrightarrow\;\forall a\in f\;(\exists x\exists y... | The fact is that different subject areas of mathematics use different definitions for this basic concept. The Bourbaki definition is quite common, particularly in many of the areas well-represented here on MO, but other areas use the ordered-pair definition. For example, if you open any set-theory text, you will find t... | {} | {'log_upvote_score': 6, 'links': ['https://mathoverflow.net/questions/30381', 'https://mathoverflow.net', 'https://mathoverflow.net/users/7257/']} | jdg_270270 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 245115 |
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 stuck here with some numerical rebus - Given: $A^2=BC, A^3=CA$ Find: $A+B+C$ $13$ $12$ $11$ $10$ (only one correct solution) Note that letters represent digits. I ca... | Assuming $A^2=10B+C$ and $A^3=10C+A$ We get $A^3<100\implies A<5$ As the last digits of $A$ and $A^3$ are same, $A$ must be $0,1$ or $4$ $A=0\implies C=B=0$ $A=1,$ from the 1st equation $1^2=10B+C\implies B=0,C=1$ from the 2nd equation $1^3=10C+1\implies C=0$ so $A\ne 1$ as it would make the system inconsistent. $A=4\i... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/245115', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/49395/']} | jdg_180413 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 22383372 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
How to achieve want I want below? The paramater pack I want to unpack is not in a function argument list but template argument list. #include <iostream>#include <array>const... | Recursive template solution: // recursive helper structtemplate <int n, int First, int ...Rest>struct helper { static void funcImpl(std::array<bool, SIZE>& temp) { temp[First] = true; helper<n - 1, Rest...>::funcImpl(temp); }};// partial specialization to catch base casetemplate <int First>struct helper<0, Firs... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/22383372', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3089350/']} | jdg_244351 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 16196 |
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've read that password complexity requirements make passwords easier to guess via brute force attack. The reason for this is that the complexity requirement actuall... | The short answer is yes, but not really. Password complexity requirements do reduce the search space slightly by limiting the number of possible passwords. However, users don't select passwords uniformly over the set of all possible passwords (they're biased toward words, dates, etc...). Combinatorial Analysis To keep ... | {} | {'log_upvote_score': 4, 'links': ['https://security.stackexchange.com/questions/16196', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/-1/']} | jdg_331466 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5904914 |
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 a Javascript Regex to wrap a given list of of words in a given start ( <span> ) and end tag (i.e. </span> ), but only if the word is actually "visible text" on the p... | HTML is too complex to reliably parse with a regular expression. If you're looking to do this client-side, you can create a document fragment and/or disconnected DOM node (neither of which is displayed anywhere) and initialize it with your HTML string, then walk through the resulting DOM tree and process the text nodes... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/5904914', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/161805/']} | jdg_249503 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 43491861 |
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 connect my laptop to a free/public Wi-Fi hotspot (FreeWifi, Orange...), Windows 10 opens automatically my default Web browser and goes if possible to the ISP captive p... | One solution I found is to modify directly a Windows regitry : HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet\EnableActiveProbing And to do it from a Batch script, I purpose this : reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet" /v EnableActiveP... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/43491861', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2009230/']} | jdg_286119 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7514 |
Below is a question asked on the forum chemistry.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Having mixed powder of $\ce{KCl}$, $\ce{NaCl}$, and $\ce{MgCl2}$ (and, perhaps, some crap), how can the components be separated?
Now provide the response and nothi... | As I mentioned in the comments, a quantitative separation of the three compounds will probably not be possible outside of a proper laboratory, however a coarse separation is possible. A quick search on the internet yields this link for the separation of $\ce{NaCl}$ and $\ce{KCl}$. You didn't give us the exact compositi... | {} | {'log_upvote_score': 4, 'links': ['https://chemistry.stackexchange.com/questions/7514', 'https://chemistry.stackexchange.com', 'https://chemistry.stackexchange.com/users/4043/']} | jdg_357674 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 30016868 |
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 following this link: http://cloud.spring.io/spring-cloud-config/spring-cloud-config.html#_client_side_usage I tested this again and again and not seeing Spring cloud cli... | For those getting here after using the default Maven Spring Cloud dependency version related to Spring Boot to 2.4.0 or 2.4.1 (e.g., 2020.0.0-M5 for Spring Boot 2.4.0), besides following RubesMN's good advice, be aware that bootstrapping is not enabled by default in such Spring Cloud dependency. According to the Spring... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/30016868', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3006967/']} | jdg_78334 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19407909 |
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 which has 2 textviews side by side in 4 rows: <LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layo... | Change the width of your TextView s both to 0dp instead of wrap_content <LinearLayout android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:gravity="center" > <TextView android:id="@+id/tvCodeNameDetail" ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/19407909', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/837722/']} | jdg_90520 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2812153 |
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 file called secure.txt in c:\temp . I want to run a Perl command from the command line to print the SHA1 hash of secure.txt . I'm using ActivePerl 5.8.2. I have n... | perl -MDigest::SHA1=sha1_hex -le "print sha1_hex <>" secure.txt The command-line options to Perl are documented in perlrun . Going from left to right in the above command: -M Digest::SHA1=sha1_hex loads the Digest::SHA1 module at compile time and imports sha1_hex , which gives the digest in hexadecimal form. -l automat... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2812153', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/681/']} | jdg_105188 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20657 |
Below is a question asked on the forum biology.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Some people say that it's awful that humans eat animals. They feel that it's barbaric, because you're killing life and then on top of that, you're eating it, and tha... | The answer to your question is yes it is certainly possible. At one time it was thought that there was something special about "organic" chemicals which meant that they could not be artificially synthesised out of fundamental elements. In 1828 Frederick Wöhler synthesised urea (CO(NH 2 ) 2 ) which is often taken as the... | {} | {'log_upvote_score': 7, 'links': ['https://biology.stackexchange.com/questions/20657', 'https://biology.stackexchange.com', 'https://biology.stackexchange.com/users/668/']} | jdg_69868 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4585446 |
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 constant multi-dimensional arrays of different sizes. I would like to pass them to a function. However, I would get the error missing subscript, the sizes of the array... | You could use a template. template<size_t first, size_t second, size_t third> double SomeFunction(const double (&arr)[first][second][third]) { return first + second + third;} This function takes a reference to a three-dimensional array of doubles where all dimensions are known at compile-time. It's actually possible... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4585446', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/561366/']} | jdg_325937 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 38829873 |
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 new to C# Task and threading. I have a code like below:- public void UpdateSales(object sender, EventArgs args){ Task.Run(() => { // Some code Create Collection... | Assuming that UpdateSales is called on the UI thread, a cleaner solution would be this: public async void UpdateSales(){ var collection = await Task.Run(() => { // Some code Create Collection ... // Some code with business logic .. return currentCollection; }); saleDataGrid.ItemsSource = collection; sale... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/38829873', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3965522/']} | jdg_165880 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 35673201 |
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 update a QProgressDialog (owned by a QMainWindow class) along the execution of a QThread who process some time consuming operations. The thread emit some signal... | Absolutely wrong using of QThread ). See what is the correct way to implement a QThread... (example please...) . You need to learn thread's basics. Your mistakes: 1. Create a static thread object in a local scope; 2. Wait for its finish in the main thread; 3. Don't start the thread; 4. Direct call method doHeavyCaclula... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/35673201', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4463167/']} | jdg_76061 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 662432 |
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:
Consider a physical quantity $\phi$ that is globally conserved. From Feynman's argument (in his volume 2 I think), which states that local conservation follows from g... | Paul T. provides a good answer regarding the case where the height of the bottoms of the poles are the same (which is what was asked for in the question). The main difference in that case is due to the different heights of the centers of mass of the two rods. However, you might ask, what if the centers of mass of the ... | {} | {'log_upvote_score': 6, 'links': ['https://physics.stackexchange.com/questions/662432', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/266050/']} | jdg_291480 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 35202804 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I would like to know if there is a specific way to submit a form using jQuery AJAX in MVC6, still using the Auto Binding features of ASP.NET MVC. I believe in other versions ... | Ajax works the same way, but instead of the @Ajax helper's, use the new MVC 6 Tag Helpers (don't forget to reference 'jquery' and 'jquery.unobtrusive-ajax' scripts). JQuery Unobtrusive Ajax exists in the Asp.Net GitHub repo and can be Bower pulled. Using the new MVC TagHelpers, you simply declare the form like the foll... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/35202804', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5678853/']} | jdg_279792 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1175920 |
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 symbol "a" bound to a function: (defn a [] (println "Hello, World"))user=> a#<user$a__292 user$a__292@97eded>user=> (a) Hello, Worldnil Then I use syntax-quote... | REPL = read eval print loop. Step through the read-eval process. READ: Clojure sees the string "(`a)" , parses it and ends up with a data structure. At read time, reader macros are expanded and not much else happens. In this case, the reader expands the backquote and ends up with this: user> (read-string "(`a)")((quo... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1175920', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/23643/']} | jdg_263087 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9529083 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Possible Duplicate: Calling virtual functions inside constructors Look at this code.In the constructor of Base class, we can call the pure virtual function using 'this' point... | You must never call virtual functions within a constructor . Virtual functions don't get dispatched the way you think they do. Rather, during construction, the dynamic type of the base subobject that is being constructed is the base type, and thus the function is dispatched to the base function (which is pure-virtual i... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9529083', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/306819/']} | jdg_304262 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10958844 |
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 Rails 3.2 and I've got a database table in which I want to find all the rows that match the following criteria: a = true and b = true and ( 0< c <1 or d=1), a, b, c... | I may be wrong, but I don't think you could form that query using the Arel-based where function; you'd need to form up the database query string yourself. Assuming you're using SQLite or Postgres: Route.where("a = true and b = true and ((c > 0 and c < 1) or d = 1)").all I haven't tested this code, but I suspect that mi... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10958844', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2629601/']} | jdg_109260 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1407563 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
How does the process of hashing work in Dictionary? I read that using dictionary provides faster look up. But did not understand how? How does the hashing and mapping to an i... | A hash table or dictionary is a data structure that stores key-value pairs. The advantage of the hash table is that given a key finding the corresponding value is pretty fast. Simplified, the time to find a key-value pair in the hash table does not depend on the size of the table. Compare that to storing the key-value ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1407563', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/94169/']} | jdg_156783 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 131628 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
My question is about the extent to which "now" is defined in GR. In Minkowski spacetime, it's possible to define a "now" for an inertial observer by finding a spaceli... | It sounds like you're interested in when a spacetime admits a Cauchy surface . The answer is that every spacetime that is globally hyperbolic has this property. This was proved by Geroch in 1970 ( article here , see Section 5). This includes most of the textbook relativistic spacetimes --- Schwarzschild, Kerr, FLRW, an... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/131628', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/57547/']} | jdg_266818 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 404302 |
Below is a question asked on the forum meta.stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I came across a user that has a username consisting only of zero-width whitespace (just 3 U+3164 characters) and I'm not sure if this is ok or not. Obviously the user wa... | The whole point of having a display name is to facilitate the easy identification of users you're interacting with. If there were no desire for that, the site would make display names entirely optional. The fact that they have not tells me that display names should be made to follow some kind of rule to make them usefu... | {} | {'log_upvote_score': 5, 'links': ['https://meta.stackoverflow.com/questions/404302', 'https://meta.stackoverflow.com', 'https://meta.stackoverflow.com/users/1255289/']} | jdg_247532 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2029605 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
imagine I write a library in C. Further, imagine this library to be used from a multi-threaded environment. How do I make it thread-safe? More specific: How do I assure, that... | You can create wrappers with #ifdef. It's really the best you can do. (Or you can use a third party library to do this). I'll show how I did it as an example for windows and linux. It's in C++ and not C but again it's just an example: #ifdef WIN32typedef HANDLE thread_t;typedef unsigned ThreadEntryFunction;#define thre... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2029605', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/179341/']} | jdg_290185 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 214879 |
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:
In a git repository, I have set up my .gitmodules file to reference a github repository: [submodule "src/repo"] path = src/repo url = repourl when I 'git status' o... | It's because Git records which commit (not a branch or a tag, exactly one commit represented in SHA-1 hash) should be checked out for each submodule. If you change something in submodule dir, Git will detect it and urge you to commit those changes in the top-level repoisitory. Run git diff in the top-level repository ... | {} | {'log_upvote_score': 7, 'links': ['https://unix.stackexchange.com/questions/214879', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/122721/']} | jdg_379118 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 756848 |
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:
Hi I am trying to obtain a closed form for$$I_n=\int_0^1\frac{\ln x}{x^n-1}dx, \quad n\geq 1.$$This integral is quite nice and generates many other known closed form res... | We have $$I_n=\int_0^1\frac{\ln x}{x^n-1}dx=-\sum_{k=0}^\infty\int_0^1x^{nk}\ln x dx=\sum_{k=0}^\infty\frac1{(nk+1)^2}$$ and for $n=1$ and $n=2$ the two sums are known. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/756848', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/115030/']} | jdg_173900 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1446999 |
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 receive an error compiling a C++ program in which of the lines makes a call from "std::system(SomeString)". This program compiled 3 years ago, but when compiling it today, ... | std::system is (and always has been) in <cstdlib> . It is not defined by the C++ standard whether standard headers include each other, and if so which ones. So it's possible that 3 years ago, on a different compiler or a different version of the same compiler, your code worked by accident, because one of the headers yo... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1446999', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/57627/']} | jdg_130114 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7068091 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
pseudo elements a:after a:before allow you to add text that appears to be part of the link. However, I can't seem to figure out a way to make that portion clickable as part o... | It looks like you have discovered a bug in the browser you are using. Based on the spec , the generated content should be treated as a child of the element it is being generated for. I created a JSFiddle to test this out, and the generated text is linked for me in most browsers (Chrome 13 being the solitary exception.... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/7068091', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/106797/']} | jdg_230330 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2468587 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
If the set of real numbers $\Bbb{R}$ is continuous, and the set of integer $\Bbb{Z}$ is a discrete set, then is the set of rational number $\Bbb{Q}$ continuous or discre... | This depends on the topology that we equip $\mathbf{Q}$ with. If it has its usual topology, i.e. the topology inherited from the standard topology on $\mathbf{R}$ , then it is not discrete. A topological space $X$ is said to be discrete if given any $x\in X$ there exists an open set $U$ containing $x$ such that $U\cap ... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/2468587', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/337768/']} | jdg_156817 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 874298 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
In Java you can define generic class that accept only types that extends class of your choice, eg: public class ObservableList<T extends List> { ...} This is done using "ext... | I suggest using Boost's static assert feature in concert with is_base_of from the Boost Type Traits library: template<typename T>class ObservableList { BOOST_STATIC_ASSERT((is_base_of<List, T>::value)); //Yes, the double parentheses are needed, otherwise the comma will be seen as macro argument separator ...}; In... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/874298', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/59666/']} | jdg_217879 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20060987 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I think this is a different slant on this question . And maybe the question is better phrased, when would you use public, as opposed to export? From my reading it seems like ... | public as a visibility modifier technically does nothing (all class members are public by default); it exists as an explicit counterpart to private . It's legal only inside classes. export does two different things depending on its context (on a top-level member in a file or in a module block). At the top level of a fi... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/20060987', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/509627/']} | jdg_134426 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 63157089 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
for the life of me I can't figure out what is happening. I've been spending all day searching for the answer but can't find it anywhere. I'm practicing with writing a functio... | As Endless's answer discusses, sendBeacon is an option. But the problem is your fetch request is not using the keepalive flag . Normally, when a document is unloaded, all associated network requestsare aborted. But the keepalive option tells the browser to perform therequest in the background, even after it leaves the ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/63157089', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/13950870/']} | jdg_338977 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 46489 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
Can a Cisco switch port be configured to communicate with another switch when the ports on each switch are on different vlans? EDIT to add more details: The data center that we... | If there is only one vlan involved, then just set your switchport as 'Access' and to the desired vlan. It will ignore any vlan tags. If you want to have multiple vlans, then things get more complicated as Evan Anderson alluded to, but even then you might be able to do it (though you might not want to -- sometimes bein... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/46489', 'https://serverfault.com', 'https://serverfault.com/users/2359/']} | jdg_142127 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 37649 |
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 MySQL table with coordinates, the column names are X and Y. Now I want to swap the column values in this table, so that X becomes Y and Y becomes X. The most apparen... | I just had to deal with the same and I'll summarize my findings. The UPDATE table SET X=Y, Y=X approach obviously doesn't work, as it'll just set both values to Y. Here's a method that uses a temporary variable. Thanks to Antony from the comments of http://beerpla.net/2009/02/17/swapping-column-values-in-mysql/ for the... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/37649', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/890/']} | jdg_331484 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 44761759 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I've created an API system. Everything is perfect, it works with Elastic as Db. Unfortunately a single function need to add/edit/retrieve a row in an old mysql db. I don't wa... | You could use the DBAL to make a plain old query, which will return an array: <?phpnamespace AppBundle\Entity;use Doctrine\ORM\EntityRepository;class MyRepository extends EntityRepository{ public function findSmth() { $conn = $this->getEntityManager()->getConnection(); $sql = 'SELECT * FROM my_table... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/44761759', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1432664/']} | jdg_132922 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 669819 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
This is a Canonical Question about DNS server administration. I have one hundred or so domains. All of these domains need to be configured identically, but it seems like a huge... | Unless I'm misunderstanding the question, I do this regularly with BIND, and it seems to be fine as long as each zone is absolutely identical. On my primary nameserver, I have named.conf entries that point to the generic zonefile, eg zone "example.com" { type master; file "primary/example.GENERIC";};zone ... | {} | {'log_upvote_score': 5, 'links': ['https://serverfault.com/questions/669819', 'https://serverfault.com', 'https://serverfault.com/users/152073/']} | jdg_179249 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5180327 |
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 asked this on photo stackexchange but thought it might be relevant here as well, since I want to implement this programatically in my implementation. I am trying to imp... | Motion blur and camera shake are kind of the same thing when you think about the cause: relative motion of the camera and the object. You mention slow shutter speed -- it is a culprit in both cases. Focus misses are subjective as they depend on the intent on the photographer. Without knowing what the photographer wan... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5180327', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2759376/']} | jdg_192489 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5479 |
Below is a question asked on the forum cstheory.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I formulated the following problem today while playing with my GPS. Here it is : Let $G(V,E)$ be a directed graph such that if $e=(u,v) \in E$ then $(v,u) \notin E$,... | Summary: The problems can be solved in polynomial time by finding a minimum-cost strongly connected orientation. More detail: A theorem of Robbins tells that the edges of an undirected graph can be oriented so that the resulting directed graph is strongly connected if and only if the undirected graph is 2-edge-connecte... | {} | {'log_upvote_score': 5, 'links': ['https://cstheory.stackexchange.com/questions/5479', 'https://cstheory.stackexchange.com', 'https://cstheory.stackexchange.com/users/344/']} | jdg_341819 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 99935 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I understand that the probability density function, pdf, of a continuous random variable is the probability of the variable taking on a given value. I also thought that... | Densities are not probabilities. $$$$ The density $f$ of a continuous random variable $X$ is defined as$$f(x) = F'(x) = \lim_{\epsilon \rightarrow 0} \frac{\Pr\big(x < X \leq x + \epsilon\big)}{\epsilon}$$with $F$ the cumulative distribution function (cdf). $$$$ $f(x)$ can be larger than $1$. The area under the density... | {} | {'log_upvote_score': 5, 'links': ['https://stats.stackexchange.com/questions/99935', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/31661/']} | jdg_128103 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 149753 |
Below is a question asked on the forum mathematica.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I would like to evaluate the following integral in Mathematica $$\int _{-\infty }^{\infty }\int _{-\infty }^{\infty }\frac{\exp \left(-\frac{\frac{\left(x-\mu _1\... | For integrals involving Gaussians, I've often found it to be more convenient to get integrals via the Expectation value of the MultinormalDistribution . You can directly apply a convenience function gaussMoment that I posted for that purpose in my answer to How to deal with complicated Gaussian integrals in Mathematica... | {} | {'log_upvote_score': 4, 'links': ['https://mathematica.stackexchange.com/questions/149753', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/26461/']} | jdg_192189 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 383471 |
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 we expand this using the binomial theorem? $(x^2 + 1/x)^7$
Now provide the response and nothing else.
| One way is to note that our expression is $\frac{1}{x^7}(1+x^3)^7$ and use the ordinary binomial expansion of $(1+t)^7$. Then substitute $t=x^3$ and (if it is useful) divide the resulting expression for $(1+x^3)^7$ through by $x^7$ term by term. Another way is to use the ordinary expansion of $(a+b)^7$, substitute $a=x... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/383471', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/60244/']} | jdg_176925 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 36114196 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
The SyntheticEvent is pooled. This means that the SyntheticEvent object will be reused and all properties will be nullified after the event callback has been invoked. This is... | It means that the properties of the event only exist while the callback is active. Adding async to the mix, or storing the event for future use, will fail. This is easily observed if you try console.log(event) inside an event handler. By the time you inspect the object, most properties on the event object will be null ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/36114196', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2648216/']} | jdg_207649 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4796270 |
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 an argument today with one of my collegues regarding the fact that a compiler could change the semantics of a program when agressive optimizations are enabled. My colle... | If the compiler can verify that there is no observable difference between those two, then it is free to make such optimizations. Sequence points are a conceptual thing: the compiler has to generate code such that it behaves as if all the semantic rules like sequence points were followed. The generated code doesn't ac... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4796270', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/279259/']} | jdg_145164 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 30596021 |
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 access the url of an object stored in an array, but I'm getting errors no matters what methods I'm using. let userPhotos = currentUser?.photos for var i = 0;... | Unwrap and downcast the objects to the right type, safely, with if let , before doing the iteration with a simple for in loop. if let currentUser = currentUser, let photos = currentUser.photos as? [ModelAttachment] { for object in photos { let url = object.url }} There's also guard let else instead of ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/30596021', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2017921/']} | jdg_351169 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 25958065 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I want to know what version of a package pip has available before I install it. I understand that you can check the version of the packages you have installed with "pip show"... | pip install --use-deprecated=legacy-resolver foobar== --use-deprecated=legacy-resolver is required after pip 20.3 To see all versions, install a nonexistent version , which can be the empty string. [thanks @ChrisMontanaro , @JanKyuPeblik ] $ pip install --use-deprecated=legacy-resolver numpy==ERROR: Could not find a v... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/25958065', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4063177/']} | jdg_376881 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2838475 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm trying to create a macro for Keyboard Maestro for OS X doing the following: Get name of newest file in a directory on my disk based on date created; Paste the text "newes... | Since you're already using pipes, just throw another one in there: ls -t | head -n1 |awk '{printf("newest file: %s",$0)}' (Note that the "printf" does not include a '\n' at the end; that gets rid of the linebreak) Edit: With Arkku's suggestion to exit awk after the first line, it looks like: ls -t | awk '{printf("newes... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2838475', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/115681/']} | jdg_180987 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5235145 |
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 build a video player that works everywhere. so far I'd be going with: <video> <source src="video.mp4"></source> <source src="video.ogv"></source> <obje... | I hated all these answers because they were too short or relied on other frameworks. Here is "one" vanilla JS way of doing this, working in Chrome, please test in other browsers: var video = document.getElementById('video');var source = document.createElement('source');source.setAttribute('src', 'http://techslides.com/... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/5235145', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/650037/']} | jdg_190382 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3636244 |
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 we have a CountryList object in our application that should return the list of countries. The loading of countries is a heavy operation, so the list should be cache... | google collections actually supplies just the thing for just this sort of thing: Supplier Your code would be something like: private Supplier<List<String>> supplier = new Supplier<List<String>>(){ public List<String> get(){ return loadCountryList(); }};// volatile reference so that changes are published co... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3636244', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/404615/']} | jdg_134013 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3241 |
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'm planning to implement Tiny Encryption Algorithm and exchange data between two PHP sites. Specifically, using the code presented at PHP-einfach.de Does anyone hav... | TEA is cryptographically broken. Its successors XTEA and XXTEA fare much better in that respect. Also, the performance of the *TEA algorithms is not very good. The good point of TEA is the tiny code size -- this is a great asset in situations where code size is constrained, e.g. when you want to learn the code by heart... | {} | {'log_upvote_score': 4, 'links': ['https://security.stackexchange.com/questions/3241', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/566/']} | jdg_286581 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1273867 |
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 recently read about the impossibility of trisecting an angle using compass and straight edge and its fascinating to see such a deceptively easy problem that is impossi... | The proof that demonstrates the impossibility of trisecting an angle uses Galois theory. Galois theory can also be used to show that certain polygons cannot be constructed with compass and straightedge, and was originally used to show that, in general, polynomials of degree $\geq 5$ are not solvable. To be specific, a... | {} | {'log_upvote_score': 5, 'links': ['https://math.stackexchange.com/questions/1273867', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/117251/']} | jdg_71081 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8582560 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
So I am creating a list of lines in a text file like this: var lines = File.ReadAllLines("C:\\FileToSearch.txt") .Where(x => !x.EndsWith("999999999999")); and ... | Here you can take advantage of LINQ once again: var numberOfLinesToTake = 2;var lastTwoLines = lines .Skip(Math.Max(0, lines.Count() - numberOfLinesToTake)) .Take(numberOfLinesToTake);var secondToLastLine = lastTwoLines.First();var lastLine = lastTwoLines.Last(); Or, if you want to retrieve them individually: v... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8582560', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/215541/']} | jdg_98664 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 52198660 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
For example, ml.p2.8xlarge for training job at ap-northeast on Sagemaker takes 16.408 USD / hour, but p2.8xlarge for on-demand at ap-northeast on Ec2 takes 12.336 USD/hour. I... | I've listed some pros and cons from experience... ..., as opposed to marketing materials. If I were to guess, I'd say you have a much higher chance to experience all the drawbacks of SageMaker, than any one of the benefits. Drawbacks Cloud vendor lock in: free improvements in the open source projects in the future and ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/52198660', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/8282033/']} | jdg_338922 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1315256 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
There is plenty of information about how to encode arithmetic given the lambda calculus. The wikipedia article on Church Encoding seems complete to my inexpert eye. My... | It's not a question where people are typically much concerned with efficiency. When one contemplates implementing the lambda calculus in practice, the target model is usually not one of arithmetic on a single huge integer at a time, but a more realistic model such as a RAM with bounded word size. And then you would be ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1315256', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/14168/']} | jdg_266188 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 42504 |
Below is a question asked on the forum politics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Following the recent US Supreme Court decision that gerrymandering for political purposes is not prohibited by the US Constitution , I realized that it can be hard t... | Regarding constitutional guarantees and rules related to elections and voting rights: The relevant text of the United States Constitution , article 1, section 4 reads: The Times, Places and Manner of holding Elections for Senators and Representatives, shall be prescribed in each State by the Legislature thereof; but th... | {} | {'log_upvote_score': 4, 'links': ['https://politics.stackexchange.com/questions/42504', 'https://politics.stackexchange.com', 'https://politics.stackexchange.com/users/23493/']} | jdg_179473 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8648179 |
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 what the right parameter in the hist function in R does. The documentation is unfortunately unclear to someone without a deep understanding of stati... | When creating histograms of non-categorial data (things like pH, temperature, etc.), you need to specify things called "bins". Each bin has something called an interval specified for it. For example, if I have the data: 11 12 13 14 15 16 17 18 19 I can create 5 bins with right-open, left-closed intervals like t... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8648179', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/19977/']} | jdg_110823 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 34568213 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
How can I do something with the @Input value inside the component?? For example: <log-user [user]="user"></log-user> Let's assume that user is an object. Now, I know how I ca... | On construction time the @Input value is not yet set. How could Angular2 set the @Input value before the component was actually constructed? You have to wait for the component to be initialized; meaning all @Input values have been set. You can do so by implementing the OnInit interface. So to fix your example: <log-use... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/34568213', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4107083/']} | jdg_164604 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1035430 |
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 have upgraded from Ubuntu 18.04.1 to Ubuntu 20.04.1 (forced release upgrade), then while installing php.7-4 it was necessary to also install libssl-dev , that gave the follow... | The issues is with the letter version of libssl1.1 (= 1.1.1f-1ubuntu2) that needs to be downgraded. It was simple to do it with synaptic instead of apt install as follows: sudo aptitude install libssl-devhe following NEW packages will be installed: libssl-dev{b} 0 packages upgraded, 1 newly installed, 0 to remove and ... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/1035430', 'https://serverfault.com', 'https://serverfault.com/users/376546/']} | jdg_110554 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2911626 |
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 got a property which is a database data type ( char , DateTime , int , float etc...) and I want to change the control used to enter a value of the selected type. So for ... | You could do a combination of style with setters and DataTemplates. You basically have the start for it in your code, although I don't think ContentPresenter is the right control to style, since it does not have a template. Create a style like this: <Style x:Key="TypedValueHelper" TargetType="{x:Type ContentControl}"> ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2911626', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/40989/']} | jdg_374209 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 335262 |
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 us define a "rational triangle" as one in the Euclidean plane, with lengths of all sides rational. We are aware that a positive integer is called "congruent" only if it is... | On the second question: There is the inequality $12\sqrt{3}A\leq P^2$ that needs to be satisfied first of all to get a triangle. Using Heron's formula for a triangle with sides $x$ and $y$ , you are asking for the rational solutions to $(x+y-P/2)(P/2-x)(P/2-y)=2A^2/P$ . The projective closure of this curve is an ellipt... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/335262', 'https://mathoverflow.net', 'https://mathoverflow.net/users/142592/']} | jdg_194588 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 17162654 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
The following code proves that method1 is faster than method2. Can anyone please comment what is the reason for such behavior. class Trial { String _member; voi... | The following code proves that method1 is faster than method2 No. It does not prove it. It depends on many factors. When I run this code, I get 14031248 So in my environment, your code "proves" that method1 is slower than method2. When doing benchmarking, you need to take care of effects like caching and JVM warmup. Se... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/17162654', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1630327/']} | jdg_253403 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5878692 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I've been working with a simple Java EE project using JSF. <h:form id="phoneForm"> <h:dataTable id="phoneTable"> </h:dataTable></h:form> I tried to set CSS via #phoneTa... | The : is a special character in CSS identifiers, it represents the start of a pseudo class selector like :hover , :first-child , etc. You would need to escape it. #phoneForm\:phoneTable { background: pink;} This only doesn't work in IE6/7. If you'd like to support those users as well, use \3A instead (with a trailin... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/5878692', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/195727/']} | jdg_117754 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 39676762 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Everything works fine till I build my cordova application with Xcode 7.3.0 but it started crashing only on iOS 10 devices after building the same application with Xcode 8 whe... | I ran into the same problem during iOS10.0 beta phases, and it seems to still be present in Xcode v11. There are actually 2 separate errors : 1. First of all, as Avaan commented, you have to set all the privacy usage in the info.plist. I believe it is the cause of your crash. Since iOS10.0, it is mandatory to explicitl... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/39676762', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1246458/']} | jdg_369610 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 62127764 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I have an error when login with Google OAuth. No problem on desktop website or mobile browser usage with google login. But the user wants to login on mobile browser and PWA o... | Since you are referring to a file in the calling module from a child module, you should provide an absolute path based on the calling module's path using path.module as follows: module "spark" { source = "../modules/spark" workers = 1 custom_values_path = "${path.module}/spark_values.yaml"} I recommend against... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/62127764', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3153054/']} | jdg_294024 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 47365583 |
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 making a color picker app in Swift and I need the text to adapt to the background color. I have text on a UIView that is black by default and I would like it to turn lig... | You can do something like: extension UIColor{ var isDarkColor: Bool { var r, g, b, a: CGFloat (r, g, b, a) = (0, 0, 0, 0) self.getRed(&r, green: &g, blue: &b, alpha: &a) let lum = 0.2126 * r + 0.7152 * g + 0.0722 * b return lum < 0.50 }} Which will calculate the luminance of th... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/47365583', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/8460950/']} | jdg_197729 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3282390 |
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 add a little space between lines to my TextViews using android:lineSpacingMultiplier from the documentation : Extra spacing between lines of text, as a multipl... | There is a solution: <resources> <item name="text_line_spacing" format="float" type="dimen">1.0</item></resources> In this way, your float number will be under @dimen. Notice that you can use other "format" and/or "type" modifiers, where format stands for: Format = enclosing data type: float boolean fraction integer... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/3282390', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/323715/']} | jdg_239551 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 603866 |
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:
Context: I'm trying to make a simulation of a box that you can apply force to the top and it will oscillate back and forth until the energy in the system reaches equi... | Once nice way to calculate functional derivatives is to use the concept of the Gateaux derivative as follows: $$\frac{d}{d\epsilon}S[\phi+\epsilon \eta]\bigg|_{\epsilon=0} = \int d^4x\frac{\delta S}{\delta \phi} \eta$$ In your case, $$S[\phi+\epsilon \eta]= \int d^4x \ \bigg\{\frac{1}{2}\big((\partial \phi)^2 + 2\epsil... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/603866', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/279891/']} | jdg_218000 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 4117530 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm currently teaching myself Python and was just wondering (In reference to my example below) in simplified terms what the sys.argv[1] represents. Is it simply asking for an... | I would like to note that previous answers made many assumptions about the user's knowledge. This answer attempts to answer the question at a more tutorial level. For every invocation of Python, sys.argv is automatically a list of strings representing the arguments (as separated by spaces) on the command-line. The name... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/4117530', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/499006/']} | jdg_263009 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 373459 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I am trying to compute the Fourier transform of $f(x) = \frac{1-\cos(tx)}{x^2}$, $(t > 0)$ directly. I tried contour integration, and could not seem to get it to work. S... | There is another way, if you are OK working with a FT that you might know. Use the half-angle formula to write $$\hat{f}(\omega) = \int_{-\infty}^{\infty} dx \frac{1-\cos{t x}}{x^2} e^{i \omega x} = 2 \int_{-\infty}^{\infty} dx \frac{\sin^2{(t x/2)}}{x^2} e^{i \omega x}$$ Substitute $u = t x/2$ to get $$\hat{f}(\omega)... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/373459', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/15464/']} | jdg_227221 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1685523 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
What is the domain of $f(x)=x^x$ ? I used Wolfram alpha where it is said that the domain is all positive real numbers. Isn't $(-1)^{(-1)} = -1$ ? Why does the domain not... | Write: $$y=x^x=e^{x\log x}$$ If we want $y \in \mathbb{R}$ we must have $\log x \in \mathbb{R}$ and this is done only if $x> 0$ This is the usual definition for the function $y=f(x)=x^x$ for $x \in \mathbb{R}$, that gives $(0,+\infty)$ as the domain. If we want $x\in \mathbb{Q}$ than we can define the function as:$$y=f... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1685523', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/240472/']} | jdg_253453 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 547338 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
What is needed here is a command that generates six dates given a range of years (1987 to 2017). For example: 12/10/198730/04/199822/02/201417/08/201719/07/201114/05/200... | With date , shuf and xargs : Convert start and end date to "seconds since 1970-01-01 00:00:00 UTC" and use shuf to print six random values in this range. Pipe this result to xargs and convert the values to the desired date format. Edit: If you want dates of the year 2017 to be included in the output, you have add one y... | {} | {'log_upvote_score': 5, 'links': ['https://unix.stackexchange.com/questions/547338', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/377384/']} | jdg_109443 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 41917096 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I am creating a Rust wrapper around a C library. I've put the C libraries in the lib directory and I am using build.rs to tell the compiler where to find the libraries to lin... | Manually. A good example of this is the winapi crate. It has a pair of sub-crates for import libraries, each of which has a build script and a lib directory. The build script for the i686 crate contains the following: use std::path::Path;use std::env;fn main() { let dir = env::var("CARGO_MANIFEST_DIR").unwrap(); ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/41917096', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1955971/']} | jdg_317785 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 32504816 |
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 got a problem. The problem is that I try to ad an object to a list of this objects.This list is a property, no error, but when I run it fails at this point, becouse:"NullRe... | Add element to null (empty) List Property null and an empty list are two different things: Adding an element to an empty list works fine, but if your property is null (as all reference-type properties are initially null ), you need to initialize it with an empty list first. You could use an auto-property initializer fo... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/32504816', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4219647/']} | jdg_158302 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 20449048 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
In Python psycopg2 how can I check if a row exists? def track_exists(self, track_id): cur = self.conn.cursor() cur.execute("SELECT fma_track_id FROM tracks WHERE fma_tr... | Don't use fetchall() (which returns a list, which is never 'larger than 0'), use fetchone() : def track_exists(self, track_id): cur = self.conn.cursor() cur.execute("SELECT fma_track_id FROM tracks WHERE fma_track_id = %s", (track_id,)) return cur.fetchone() is not None fetchone() returns None if there is noth... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/20449048', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/388038/']} | jdg_248689 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10703071 |
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 do an replacement for the javascript confirm(). I have found the jquery dialog() function that can be fully customized. The problem is that i cant make it retur... | jQueryUI dialog boxes can't return a true or false as they're shown on top of other content but without blocking execution. The best you can do is: make the box modal so that it hides the other content supply callbacks to be used depending on which option is chosen. For extra bonus points, you could create a $.Deferred... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/10703071', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1016406/']} | jdg_133789 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 257873 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
The function $f(x)=x+\sin(x)$ is easily checked to be a bijection from the reals to itself, and so it has a unique inverse $y\mapsto g(y)$ such that $f\circ g=g\circ f$ ... | I have finally found an answer to my own question, so I'll answer it myself and make the answer community wiki so I don't profit from it. Let me first explain why the other answers given here did not completely resolve the problem. Let me use standard notation -- an elementary function is a funtion you can build using ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/257873', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/1162/']} | jdg_170073 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 54679928 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
This is a pretty common pattern in React components: handleTextFieldChange(event){ const name = event.currentTarget.name; this.setState({[name]: event.currentTarget.val... | You could use a single useState with a default value of an object that contains all your input values and update that like you are used to with class components. Example const { useState } = React;function App() { const [state, setState] = useState({ email: "", password: "" }); function onChange(event) { const { n... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/54679928', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/364966/']} | jdg_83923 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11449232 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Is it possible to assign multiple keys per value in a Python dictionary. One possible solution is to assign value to each key: dict = {'k1':'v1', 'k2':'v1', 'k3':'v1', 'k4':'... | What type are the values? dict = {'k1':MyClass(1), 'k2':MyClass(1)} will give duplicate value objects, but v1 = MyClass(1)dict = {'k1':v1, 'k2':v1} results in both keys referring to the same actual object. In the original question, your values are strings: even though you're declaring the same string twice, I think the... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11449232', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1099709/']} | jdg_78927 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8139885 |
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 importing a file to my server using this command: scp zumodo@shold:/test/test/test/server.py /test/test/test/test.py~/; I want to restart my server if the newly imported... | if ! cmp test.py test.py~ >/dev/null 2>&1then # restart servicefi Breaking that down: cmp test.py test.py~ returns true (0) if test.py and test.py~ are identical, else false (1). You can see this in man cmp . ! inverts that result, so the if statement translates to "if test.py and test.py~ are different". The redirec... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/8139885', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/440266/']} | jdg_346280 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 46267816 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I want to use the SpeechRecognition api with an audio file (mp3, wave, etc.)Is that possible?
Now provide the response and nothing else.
| The short answer is No . The Web Speech Api Specification does not prohibit this (the browser could allow the end-user to choose a file to use as input), but the audio input stream is never provided to the calling javascript code (in the current draft version), so you don't have any way to read or change the audio that... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/46267816', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/413910/']} | jdg_218982 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11001318 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
something I've struggled with in the past and am struggling with today is preventing an API/AJAX from continuing until you've recieved your response. currently I'm working wi... | The question that is asked 100 times a day and seems impossible to have one answer. The call is asynchronous so it is impossible to do it in one step. Basic example of what you expect. function one() { var a = 1; return a;}alert( one() ); What is actually happening: function one() { var a; window.setTimeout( f... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/11001318', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1283726/']} | jdg_183383 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 37977721 |
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 reading this . What's the benefit of using this: user&.address&.state over user.try(:address).try(:state) I still don't get it.
Now provide the response and nothing else... | (1) &. is generally shorter than try(...) Depending on the scenario, this can make your code more readable. (2) &. is standard Ruby, as opposed to try The method try is not defined in a Ruby core library but rather in a Rails library. When you are not developing a RoR web app but instead are writing e.g. little helper ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/37977721', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2714301/']} | jdg_270796 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10787751 |
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 display the current Date and Time. I have used ; NSDate *currentDateNTime = [NSDate date]; I want to have the current date and time (Should display the syste... | Since all NSDate is GMT referred, you probably want this:(don'f forget that the nowDate won't be the actual current system date-time, but it's "shifted", so if you will generate NSString using NSDateFormatter, you will see a wrong date) NSDate* currentDate = [NSDate date];NSTimeZone* currentTimeZone = [NSTimeZone timeZ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10787751', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1377826/']} | jdg_335951 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19244111 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
According to the x:Reference Markup Extension page on MSDN, x:Reference References an instance that is declared elsewhere in XAML markup. The reference refers to an element's... | Basically like you said those two do almost the same. However there are small differences under the hood. {x:Reference ...} -> returns just a reference of an object it doesn't create that "bridge" between two properties like binding would do. Behind all that a service is being used that searches for the given name in a... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/19244111', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/249281/']} | jdg_247178 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3203286 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Essentially I want to do something like this: class foo: x = 4 @property @classmethod def number(cls): return x Then I would like the following to work: >>... | The property descriptor always returns itself when accessed from a class (ie. when instance is None in its __get__ method). If that's not what you want, you can write a new descriptor that always uses the class object ( owner ) instead of the instance: >>> class classproperty(object):... def __init__(self, getter):... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/3203286', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/160206/']} | jdg_275728 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2586992 |
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:
le $n$ be a positive integer such that $n\neq 3$ really i have tried to show this inequality $\pi^n>n^{\pi} $ that is true for all positive integer n different from $ ... | HINT Consider the function $f(x) = \pi\ln x - x \ln \pi$ for a fixed $n$ and find extrema using ordinary Calculus. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2586992', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/156150/']} | jdg_327933 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 21966456 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I want to use a half-circle menu when I surf the mobile web with my right hand. Can somebody teach me how to implement half-circle menu (sub item) with CSS and JavaScript on ... | You could do this with SVG . When you click on first-ring buttons or (Main 1, Main 2...) it will update text of second-ring buttons or (Sub 1 1, Sub 2 1...), and this is just for demo purpose. You can use js to change links inside <a xlink:href=""></a> instead of just text. var firstRing = $('.first-ring');var secondRi... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/21966456', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3286176/']} | jdg_377386 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19402478 |
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 test web sites in Mobile IE. I do not need or want Windows 8 loaded, just Windows Phone 8. I understand I can run Windows Phone 8 Simulator inside a Windows 8 VM.... | Yes, the Windows Phone 8 Simulator / Windows Phone 8 Emulator can run directly in OS X. However the mouse cursor is not visible . Mouse works, but no cursor/circle to show where your pointer is, which makes the VM difficult to use. Windows Phone 8 Simulator does the same thing on Windows when launched in Hyper V Manag... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/19402478', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/123671/']} | jdg_119587 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1157589 |
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:
A projection operator $P$ is defined as $P^2$=$P$. Use this definition to find the eigenvalues of this operator. In this question is it necessary to define what the proj... | Let $\lambda$ be an eigenvalue of $P$ for the eigenvector $v$. You have $\lambda^2 v = P^2 v = P v = \lambda v$. Because $v \neq 0$ it must be $\lambda^2 = \lambda$. The solutions of the last equation are $\lambda_1 = 0$ and $\lambda_2 = 1$. Those are the only possible eigenvalues the projection might have... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/1157589', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/177844/']} | jdg_365503 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19147238 |
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 switched from ipython 0.10-11.1 to 1.1.0 Now, using Emacs together with the new ipython version I run into the following two problems: 1) Tab completion in Emac's ipytho... | If I understand correctly, you want to run an entire test plan programmatically from within a Java program. Personally, I find it easier to create a test plan .JMX file and run it in JMeter non-GUI mode :) Here is a simple Java example based on the controller and sampler used in the original question. import org.apache... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/19147238', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1629615/']} | jdg_318674 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 49046773 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
For my Android project, I need global singleton Cache object to access data about a user through the app. A problem occurs when an app goes into the background and after some... | You're getting crashes because you initialize those variables in one Activity, and expect it to be set always, in the other Activity. But Android doesn't work like that, you can easily end up crashing because after low memory condition happens, only the current Activity gets recreated at first, previous Activity is rec... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/49046773', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3984177/']} | jdg_367845 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 163096 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I am trying to understand Riemann sums. As far as I can understand, we have $\Delta x$ which is $\frac{b-a}{n}$ and $n$ is the number of subintervals I want to divide my... | We want to approximate the are under the graph with easy to calculate areas. The way we do this is by constructing rectangles that approximate the area. To construct such a rectangle, we "sample" the value of the function on the interval in question and use that value to approximate the value of the function on the ent... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/163096', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/34175/']} | jdg_249690 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 12539724 |
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 wondering about the "grids" of threads/thread groups I can dispatch on the GPU. I'm using Direct Compute so I'll give a concrete example using that API. For example, if I... | From a pure performance perspective, there really isn't a difference per-se, as the ability to define the dimensions of the grid of thread groups or blocks is more for correctly applying the workload to the abstraction of the problem itself rather than for performance. In other words if your problem abstracts well to ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12539724', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1503788/']} | jdg_181022 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 18606 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I would like to know whether it makes sense to study the plots of residuals with respect to the dependent variable when I've got a univariate regression. If it makes se... | Suppose that you have the regression $y_i = \beta_0 + \beta_1 x_i + \epsilon_i$, where $\beta_1 \approx 0$. Then, $y_i - \beta_0 \approx \epsilon_i$. The higher the $y$ value, the bigger the residual. On the contrary, a plot of the residuals against $x$ should show no systematic relationship. Also, the predicted value ... | {} | {'log_upvote_score': 5, 'links': ['https://stats.stackexchange.com/questions/18606', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/7459/']} | jdg_376920 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 28369097 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I’ve been reading about an older exploit against GDI+ on Windows XP and Windows Server 2003 called the JPEG of death for a project I’m working on. The exploit is well explain... | This vulnerability was definitely a heap overflow . How can writing 0XFFFFFFFE bytes (4 GB!!!!) possibly not crash the program? It probably will, but on some occasions you got time to exploit before the crash happens (sometimes, you can get the program back to its normal execution and avoid the crash). When the memcpy(... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/28369097', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3043261/']} | jdg_381658 | PrimeIntellect/stackexchange-question-answering |
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