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 | 9409 |
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:
Q1. When can we say that two programs (written in some programming language like C++) are different? The first extreme is to say that two programs are equivalent iff... | Q1: There are many notions of program equivalence (trace equivalence, contextual equivalence, observational equivalence, bisimilarity) which may or may not take into account things such as time, resource usage, nondeterminism, termination. A lot of work has been done on finding usable notions of program equivalence. Fo... | {} | {'log_upvote_score': 4, 'links': ['https://cstheory.stackexchange.com/questions/9409', 'https://cstheory.stackexchange.com', 'https://cstheory.stackexchange.com/users/14197/']} | jdg_290451 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1889466 |
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 was a claim that a non empty chain $[n , \infty) \subset \mathbb{R}$ (unclear if $n \in \mathbb{R}$, or $\Bbb N$, I will assume the latter) have empty intersection... | By the Archimedean property, for every real $x$ there exists an integer $n > x$, so $[n, \infty)$ fails to contain $x$. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1889466', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/242850/']} | jdg_375758 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 13116099 |
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 observed a different between an interactive and non-interaction R session about traceback() which I do not understand. For the code below, it will produce an error, but in ... | With default values of its arguments, traceback() will look for an object named .Traceback in the baseenv() for information on the call stack. It looks (from src/main/errors.c ) like .Traceback is only created if, among other conditions, R_Interactive || haveHandler , suggesting that this object is not created during n... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/13116099', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/559676/']} | jdg_338499 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 42699670 |
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 simple entry in Xamarin Forms: <Entry Text="{Binding Number, Mode=TwoWay}" Placeholder="Number" Keyboard="Numeric" /> In ViewModel there is property: private int? _n... | Entry accept a string. If you would like to bind a int property you should use a IValueConverter but I think the best solution is to use a String property than convert the value from String to Int public string StrNumber{ get { if (Number == null) return ""; else return Number.ToS... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/42699670', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/6001456/']} | jdg_152452 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 42986689 |
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 pull list of records that match "Smith" and date range and exclude any account numbers with codes of DD2530 and PGC. WHen I run it, I get Smith and the date ... | In standard SQL you can specify where to put nulls: order by col asc nulls firstorder by col asc nulls lastorder by col desc nulls firstorder by col desc nulls last but T-SQL doesn't comply with the standard here. The order of NULLs depends on whether you sort ascending or descending in T-SQL: order by col asc -- impli... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/42986689', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1667160/']} | jdg_169202 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 53372539 |
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 implementing an android app (in Kotlin, but that is not relevant to the Problem) in my free time and I try to use android jetpack and new libraries. I have a single Acti... | You don't have to override AppBarConfiguration. Since version alpha7 AppBarConfiguration has a constructor with a set of ids for all top level destinations. Set<Integer> topLevelDestinations = new HashSet<>();topLevelDestinations.add(R.id.fragment1);topLevelDestinations.add(R.id.fragment2);appBarConfiguration = new App... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/53372539', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3795043/']} | jdg_328422 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 228672 |
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 part of a team creating a web application using PHP and MySQL. The application will have multiple users with different roles. The application will also be used in a geog... | I was in similar situation few months ago. I found that tools like Zend_ACL work great if you just check access level to single item (or reasonably low number of them). It fails when you need to get a huge list of items the user is allowed to access. I crafted custom solution to this problem using Business Delegate pat... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/228672', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/22009/']} | jdg_141913 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 41754489 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Redux docs for bindActionCreators states that: The only use case for bindActionCreators is when you want to pass some action creators down to a component that isn't aware of ... | I don't think that the most popular answer, actually addresses the question. All of the examples below essentially do the same thing and follow the no "pre-binding" concept. // option 1const mapDispatchToProps = (dispatch) => ({ action: () => dispatch(action())})// option 2const mapDispatchToProps = (dispatch) => ({ ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/41754489', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5738746/']} | jdg_232328 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2190 |
Below is a question asked on the forum electronics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I am trying to build a small battery powered device containing a servo. I would like to be able to turn off the servo to save battery life. I have read previously... | You didn't mention how much current you require. Here is a quick guide -- For most switching applications the important parameters are the voltage rating (BVdss), the maximum drain current (Id(on)) and the gate turn-on voltage. For a 6V battery you want a breakdown voltage at least 6V. Make this a bit higher in case... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/2190', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/417/']} | jdg_257957 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19960831 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Just learning rspec syntax and I noticed that this code works: context "given a bad list of players" do let(:bad_players) { {} } it "fails to create given a bad player ... | As has been mentioned: expect(4).to eq(4) This is specifically testing the value that you've sent in as the parameter to the method. When you're trying to test for raised errors when you do the same thing: expect(raise "fail!").to raise_error Your argument is evaluated immediately and that exception will be thrown and... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/19960831', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/228521/']} | jdg_365333 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 33554278 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Im learning swift and am having a problem Iterating through an array.Here is what I'm trying to do: func orderStringByOccurence(stringArray: [String]) -> [String: Int]{ va... | You need to change for i in 0...arrayFromString.count to for i in 0..<arrayFromString.count As it is now, you iterate through the array and then one past the end. You can also use a different style of for loop, which is perhaps a little better: func orderStringByOccurence(stringArray: [String]) -> [String: Int] { va... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/33554278', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3839756/']} | jdg_199546 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2166433 |
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 fairly new to C#, and I think properties are a wonderful thing. So wonderful, in fact, that I can't see any real advantage to using fields, instead. Even for private fiel... | Typically, properties need a backing field unless they are simple getter/setter "automatic properties". So, if you're just doing... public string Name { get; set; } // automatic property ...you don't need a field, and I agree, no reason to have one. However, if you're doing... public string Name{ get { return _name;... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/2166433', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/105084/']} | jdg_217057 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 18962953 |
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 create a Google Spreadsheet sum() which always ends on the cell above, even when new cells are added? I have several such calculations to make on each single column so... | You are probably looking for formula like: =SUM(INDIRECT("B1:"&ADDRESS(ROW()-1,COLUMN(),4))) Google Spreadsheet INDIRECT returns reference to a cell or area , while - from what I recall - Excel INDIRECT returns always reference to a cell.Given Google's INDIRECT indeed has some hard time when you try to use it inside SU... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/18962953', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1780816/']} | jdg_302919 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 15108139 |
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 socket programming and Http programming? can anyone help please?
Now provide the response and nothing else.
| HTTP is an application protocol. It basically means that HTTP itself can't be used to transport information to/from a remote end point. Instead it relies on an underlying protocol which in HTTP's case is TCP. You can read more about OSI layers if you are interested. Sockets on the other hand are an API that most operat... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/15108139', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1268816/']} | jdg_186552 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3503622 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Let $f\in C^1([0,\infty[$ such that $f(0)=0$ and $\forall x \in R^+_0$ , $0\le f'(x)\le1$ . Prove that $$\bigg(\int_0^x f(t) dt\bigg)^2\le\int_0^x f^3(t)dt$$ and find th... | $\newcommand{\d}[1]{\, \mathrm{d}#1}$ To solve for the following equality: $$\left(\int_0^x f(t) \d{t}\right)^2 = \int_0^x f^3(t) \d{t}$$ We invoke Fundamental Theorem of Calculus and differentiate both sides: $$2f(x)\int_0^x f(t) \d{t} = f^3(x)$$ Let $F(x) = \int_0^x f(t) \d{t}$ . Note that $F'(x) = f(x)$ . If $f(x) \... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3503622', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/740742/']} | jdg_203250 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 181363 |
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Assume we have a method that validates an object before saving it to a DB. It returns back KVP something like: public KeyValuePair<bool, List<FooErrorReas... | You are taking one assertion per test too literally, but not too seriously. It's a good rule to follow. However, there are cases, like this one, where you cannot fully assert your one assertion with literally one Assert method. What you are trying to assert is that the response is showing an error message. Assert.AreEq... | {} | {'log_upvote_score': 4, 'links': ['https://softwareengineering.stackexchange.com/questions/181363', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/37320/']} | jdg_330621 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 65322892 |
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 error from the title is returned for the following code, which makes no sense private val _error = MutableLiveData<String?>()val error: LiveData<String?> get() = _error_e... | This appears to be related to a bug already reported against androidx.lifecycle pre-release of 2.3.0 https://issuetracker.google.com/issues/169249668 . Workarounds I have found: turn off or reduce severity of NullSafeMutableLiveData in build.gradle android { ... lintOptions { disable 'NullSafeMutableLiveData' }} ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/65322892', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1202206/']} | jdg_87288 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 23959968 |
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 came across a Haskell function that tells whether a list is sorted, and I'm having trouble understanding how it works. The code in question is f = zipWith (<=) <*> tail whi... | The <*> here isn't acting on the [a] applicative, it's acting in the (->) a applicative instance. Essentially instance Applicative ((->) a) where pure = const -- same as monadic return f <*> a = \x -> f x (a x) So it acts like function application, but also wraps the application in a function and gives the argument... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/23959968', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/386279/']} | jdg_284149 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1586077 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I know that any line cannot be tangent to the graph of $y=Ax^3+Bx^2+Cx+D$ at more than one point. Question: how can one show this, or even prove it?
Now provide the res... | Look at the difference between the cubic and the line, this is also a cubic, and it has a double root at the tangent point. This can only happen at one point since the cubic has only three roots (counted with multiplicity). Let the cubic be $p(x)$, the tanget $L(x)$ (as in line) and the x value of the tangent point is ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1586077', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/245761/']} | jdg_284886 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 17033 |
Below is a question asked on the forum mechanics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I drive a 1988 Mazda RX-7 non-turbo 5spd . The previous owner claims the clutch was done last July(little under a year ago) and I have no reason to doubt such claim... | The noise you describe is a VERY common issue with the transmission in the model of RX-7 you are driving. As a matter of fact, my current RX-7 (1991, 220k miles) has this exact same issue. Based on your description, the noise is almost certainly coming from the transmission's input shaft bearing - not any part of the c... | {} | {'log_upvote_score': 4, 'links': ['https://mechanics.stackexchange.com/questions/17033', 'https://mechanics.stackexchange.com', 'https://mechanics.stackexchange.com/users/3823/']} | jdg_177941 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3584973 |
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:
We say that a cardinal $\kappa$ is universal if and only if $V_\kappa\models ZFC$ . I need to prove that the least universal cardinal has countable cofinality. My attemp... | I don't see why $V_\lambda$ need satisfy $ZFC$ : in general, the set of levels of $V$ satisfying some sentence need not be closed. However, a variation on this idea does work. Specifically, show the following: $(*)\quad$ If $V_\kappa\models ZFC$ and $cf(\kappa)>\omega$ , then for each axiom $\varphi$ of $ZFC$ the set $... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3584973', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/467121/']} | jdg_202891 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 84265 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I want to execute chmod 555 on all files and directories I get with the following command (it returns the directory test and all files and directories in it): find ~/.co... | In this very case, you can use chmod -R as per user26112's answer , but in the general case, you can do: find ~/.config/google-chrome -type d -name test -exec sh -c ' for i do find "$i" -exec chmod 555 {\} + done' sh {} + The trick being to use a shell and use quoting (like {\} or {"}" ) so that the inner {} is no... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/84265', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/43716/']} | jdg_300819 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9985528 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Suppose $2 is my variable. I have tried going from awk -F\, '{print $2 ":"}' to awk -F\, '{print gsub(/[ \t]+$/, "", $2) ":"}' But it goes from printing something to printin... | You're printing the result of the gsub , but gsub does an in-place modify of $2 instead of returning a modified copy. Call gsub , then print: awk -F\, '{gsub(/[ \t]+$/, "", $2); print $2 ":"}' | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/9985528', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1011816/']} | jdg_289956 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2336 |
Below is a question asked on the forum cs.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Generic sorting algorithms generally take a set of data to sort and a comparator function which can compare two individual elements. If the comparator is an order relation... | So basically, you want to know if there is any sorting algorithm which wouldn't degrade from its average case if given a compare function similar to: int Compare(object a, object b) { return Random.Next(-1,1); } ... where Random.Next() is some method that will produce a randomly-generated integer between a specified in... | {} | {'log_upvote_score': 5, 'links': ['https://cs.stackexchange.com/questions/2336', 'https://cs.stackexchange.com', 'https://cs.stackexchange.com/users/1642/']} | jdg_355582 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 71205 |
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 took some notes in class that I have trouble understanding. There's a chance my notes are incorrect: The union of a family of sets is the supremum. The intersection is... | Infimum and supremum are just terms for elements in a partially ordered set. There are partially ordered sets whose elements are not numbers, but rather sets. In fact, the real numbers can be represented as sets for themselves. As in my answer to your previous question , we simply define infimum to be the maximal eleme... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/71205', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/9094/']} | jdg_137163 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 60811792 |
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 child component inside a parent component. I want to to alert message when I click everywhere inside parent except when clicking on child. class TodoApp extends Reac... | Add e.stopPropagation() to child onClick property class TodoApp extends React.Component { constructor(props) { super(props) this.state = { } } render() { return ( <div className="parent" onClick={() => alert('x')}> <p>Alert clicks anywhere on this div</p> <div onClick={(e) => e.stopPro... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/60811792', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2399572/']} | jdg_272629 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 28633038 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
It states here http://www.w3.org/TR/html-markup/style.html#style : Permitted parent elements any element that can contain metadata elements, div, noscript, section, article,... | UPDATE . The scoped attribute no longer works in any browser and is now non-standard and deprecated . Your interpretation of the specification appears correct. The MDN page on the style tag includes a description of the scoped attribute. scoped If this attribute is present, then the style applies only to its parent ele... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/28633038', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2592808/']} | jdg_241397 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 52490399 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Trying to unit test receiving a page from spring boot. If used with javascript the page can be easily be deserialized, but with java, it fails. Have added a default construct... | Found the answer in the different post on here. It was not the accepted answer which it should be Spring RestTemplate with paginated API the answer by @rvheddeg is correct. You just need to put @JsonCreator and provide a constructor with all the properties, here is my RestResponsePage class that fixes the issue. class ... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/52490399', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/749979/']} | jdg_155443 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5736786 |
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 seen examples where a task has parameters and a dependency task like: task :name, [:first_name, :last_name] => [:pre_name] do |t, args| args.with_defaults(:first_name... | Args are passed down through the call stack. You just need to make sure your top-level task captures all the arguments all of the dependencies require. In your case you'll want to put first_name and last_name on the send_letter task. Here is an example that shows named arguments defined elsewhere flowing into the dep... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5736786', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/311555/']} | jdg_367424 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3561334 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Let $f:[a,b] \to \mathbb{R}$ be a continous, convex function. (By convex, I mean $f(\lambda x+(1- \lambda)y) \leq \lambda f(x)+(1- \lambda)f(y)$ for any choice of $x,y \... | As a convex function, $f$ has a left and right derivative in every point of $(a, b)$ , and these are monotonically increasing. But these (one-sided) derivatives can approach $-\infty$ for $x \to a$ or $+\infty$ for $x \to b$ , and then $f$ is not Lipschitz continuous on $[a, b]$ . An example is $f(x) = 1 - \sqrt{x}$ on... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3561334', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/524916/']} | jdg_70624 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 56025164 |
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 getting the notification when the app is in the foreground but not when the app in the background. Also, I have google-ed/StackOverflow-ed for like 2 hours or more but a... | lost my 2 days to fix this issue, it may helpful for you. notification tag only for showing notification. you can access only data content on onResume/onLaunch. If you want handle notification message inside onResume/onLaunch add those messages in data tag also, Then you can do what ever you want. refer more detail on ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/56025164', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2868455/']} | jdg_270827 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 69856 |
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:
Graphing $f(x) = \sqrt{-x + 2}$ from the graph of $y=\sqrt{x}$. Correct Method First graph $f(x) = \sqrt{x}$. then $f(x) = \sqrt{x+2}$ (shift left 2) then $f(x) = \sqr... | Laarhoven's comment is spot-on. If you want to shift a graph left by $a$, you need to replace $x$ by $(x+a)$ everywhere in your equation. In your example $\sqrt{-x}$ becomes $\sqrt{-(x+2)} = \sqrt{-x-2}$, not $\sqrt{-x+2}$. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/69856', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/17139/']} | jdg_223875 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 318770 |
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 know that Random forest uses Bagging, but how does ensemble give a single prediction in sklearn Bagging vs Random forest?Also, I do not understand why in Bagging you ... | we can use "Iris" dataset to demonstrate both Bagging and Random Forests first, Let's take a look at the Iris dataset: 150 samples of flowers 3 classes $y$ 4 continuous features $x_j$ to do example in sklearn , we need to import the usual suspects... from sklearn.datasets import load_irisfrom sklearn.ensemble import Ba... | {} | {'log_upvote_score': 5, 'links': ['https://stats.stackexchange.com/questions/318770', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/188530/']} | jdg_252689 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 46453789 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I created a settings bundle with about 8 toggle switches. What I am trying to do it get the default values from the settings bundle. Currently right now I have these two meth... | For the sake of the demonstration let's assume that you have two switches in the settings bundle. One with the default value set to YES and one with the default value set to NO . If you want to be able to access default values defined in the Settings.bundle from the UserDefaults in your app you have to register them fi... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/46453789', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/979331/']} | jdg_270615 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19986670 |
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 trio of UIButtons in my interface. They have text and a custom background image. I set the size of these buttons explicitly, so as not to have the image distorted. W... | As you are talking about trailing zeros, this is a question about representation as string,you can use >>> "%.2f" % round(2606.89579999999, 2)'2606.90' Or use modern style with format function: >>> '{:.2f}'.format(round(2606.89579999999, 2))'2606.90' and remove point with replace or translate ( _ refers to result of pr... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/19986670', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/439356/']} | jdg_107517 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 326435 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I am following Carroll's GR book. He explain that it is convention to parameterize geodesics of photons by a parameter $\lambda$ such that $$p^\mu ~=~ \frac{d x^{\mu}... | How should we define momentum of a massless point particle? It seems most systematic to use the Lagrangian formalism. The Lagrangian of a massive or massless point particle is $^1$ $$ L~=~\frac{\dot{x}^2}{2e}-\frac{m^2e}{2}, \qquad \dot{x}^2~:=~g_{\mu\nu}(x)~ \dot{x}^{\mu}\dot{x}^{\nu}~<~0, \qquad \dot{x}^{\mu}~:=\f... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/326435', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/97775/']} | jdg_229992 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 78406 |
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:
For $x > 0$, $y > 0$, $z > 0$, prove: $$\frac{1}{x} + \frac{1}{y} + \frac{1}{z} \geq \frac{9}{x+y+z} .$$ I can see that this is true, I also checked it with a few numbe... | Since $w+\frac{1}{w} \geq 2$ for all $w>0$, we have$$\begin{split}(x+y+z)\left(\frac{1}{x}+\frac{1}{y}+\frac{1}{z}\right) &= 3 + \frac{x}{y}+\frac{y}{x} + \frac{x}{z}+ \frac{z}{x} +\frac{y}{z}+\frac{z}{y} \\&\geq 3+2+2+2 = 9\end{split}$$ | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/78406', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/15616/']} | jdg_238607 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1550134 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
def isBig(x): if x > 4: return 'apple' else: return 'orange' This works: if isBig(y): return isBig(y) This does NOT work: if fruit = isBig(y): return fruit ... | Starting Python 3.8 , and the introduction of assignment expressions (PEP 572) ( := operator), it's now possible to capture the condition value ( isBig(y) ) as a variable ( x ) in order to re-use it within the body of the condition: if x := isBig(y): return x | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/1550134', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/179736/']} | jdg_246500 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2475110 |
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 tried:$\sqrt{x +14} = t$ $\implies \sqrt{x+3 + t} + \sqrt{x+3 - t} = 4$ But I think it is the hard way. Any ideas?
Now provide the response and nothing else.
| The domain gives $x\geq-3$ and $(x+3)^2\geq x+14$. Now, our equation it's$$\left(\sqrt{x + 3 + \sqrt{x + 14}} + \sqrt{x+3 - \sqrt{x + 14}}\right)^2 =16 $$ or$$2x+6+2\sqrt{(x+3)^2-x-14}=16$$ or$$\sqrt{x^2+5x-5}=5-x.$$Now, we get also $5-x\geq0$, for which we obtain$$x^2+5x-5=x^2-10x+25$$ or$$x=2,$$ which is valid. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2475110', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/-1/']} | jdg_264617 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 40649712 |
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 added a task to my gradle project: task deploy() { dependsOn "build" // excludeTask "test" <-- something like this doFirst { // ... }} Now the build task... | You need to configure tasks graph rather than configure the deploy task itself. Here's the piece of code you need: gradle.taskGraph.whenReady { graph -> if (graph.hasTask(deploy)) { test.enabled = false }} WARNING: this will skip the actions defined by the test task, it will NOT skip tasks that test depend... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/40649712', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1310372/']} | jdg_380583 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 32663478 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Let's say I have the following struct in Rust: struct Num { pub num: i32;}impl Num { pub fn new(x: i32) -> Num { Num { num: x } }}impl Clone for Num { fn clone(&self) ... | The question is what the emitted assembly does There's no need to guess; you can just look. Let's use this code: use std::ops::Add;#[derive(Copy, Clone, Debug)]struct Num(i32);impl Add for Num { type Output = Num; fn add(self, rhs: Num) -> Num { Num(self.0 + rhs.0) }}#[inline(never)]fn example() -> Num ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/32663478', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2718447/']} | jdg_171605 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 49723473 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
By element-ui documentation, it can be imported "entirely, or just import what you need". I have imported it entirely in application entry point main.js. main.js import Vue f... | In your tests, create a local Vue, call .use in it and pass it to shallow : import { shallow , createLocalVue} from '@vue/test-utils'; // changedimport Vue from 'vue'; // addedimport ElementUI from 'element-ui'; // addedimport Component from '../Component... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/49723473', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5149914/']} | jdg_175337 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 796309 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
Question: Is it possible to combine DNS name servers? For this example lets say that I lease the domain example.com through a service ( godaddy , name.com , etc) I have the opt... | DNS records are a hierarchy. Anything at the same level (v1.example.com, v2.example.com, etc) will all be resolved by the NS records set for that level (example.com) You can have different nameservers for different levels / subdomains if you are so inclined, for example (example.com at godaddy, subdomain1.example.com n... | {} | {'log_upvote_score': 5, 'links': ['https://serverfault.com/questions/796309', 'https://serverfault.com', 'https://serverfault.com/users/187249/']} | jdg_191742 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 47505750 |
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 learning basics of SQL through W3School and during understanding basics of wildcards I went through the following query: --Finds any values that start with "a" and are a... | Both start with A , and end with % . In the middle part, the first says " one char, then between zero and many chars, then one char ", while the second one says " one char, then one char ". Considering that the part that comes after them ( the final part ) is % , which means " between zero and many chars ", I can only ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/47505750', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1725131/']} | jdg_182644 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 914655 |
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 $G$ is a finite group and $H$ is a normal subgroup of $G$ of order$p$(prime) such that g.c.d.$(|G|,p-1)=1$ , then how to prove that $H \subseteq Z(G)$ ? Please don't... | We have to compute, $$\int_{25\pi/4}^{53\pi/4} \frac{1}{(1+2^{\sin x})(1+2^{\cos x})}\,dx$$$$=$$$$\int_{25\pi/4}^{32\pi/4} \frac{1}{(1+2^{\sin x})(1+2^{\cos x})}\,dx + \int_{32\pi/4}^{39\pi/4} \frac{1}{(1+2^{\sin x})(1+2^{\cos x})}\,dx + \int_{39 \pi/4}^{46\pi/4} \frac{1}{(1+2^{\sin x})(1+2^{\cos x})}\,dx +\int_{46\pi/... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/914655', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/42041/']} | jdg_373680 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 2893888 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm working on an iPhone project where I would like to retrieve an object from an NSMutableArray, remove the object from the array and then use it later. The code looks somet... | Why not call [array removeLastObject] at the end of your function? That's one fewer release/retain. It might make your code more readable/less cluttered. For the record the Apple documentation : Like NSArray, instances of NSMutableArray maintain strong references to their contents. If you do not use garbage collecti... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2893888', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/298717/']} | jdg_381420 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 514870 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
The LDAP server is hosted on Solaris. The client is CentOS. OpenLDAP/NSLCD/SSH authentication via LDAP work fine, but I am not able to use the ldapsearch commands to debug LDAP... | You may wish to turn off SASL and use simple authentication with the "-x" option. For example, a search to find a particular user ldapsearch -x -D "uid=search-user,ou=People,dc=example,dc=com" \ -W -H ldap://ldap.example.com -b "ou=People,dc=example,dc=com" \ -s sub 'uid=test-user' Will find "test-u... | {} | {'log_upvote_score': 7, 'links': ['https://serverfault.com/questions/514870', 'https://serverfault.com', 'https://serverfault.com/users/81502/']} | jdg_154669 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11426615 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Sql: SELECT date,total_usage_T1 as TotalUsageValue,'T1' as UsageType FROM TblSayacOkumalariUNION ALLSELECT date,total_usage_T2 as TotalUsageValue,'T2' as UsageType FROM TblSa... | EDIT Def. from MSDNEnumerable.Concat - Concatenates two sequences.Enumerable.Union - Produces the set union of two sequences by using the default equality comparer. My post : Concat() vs Union() IEnumerable<TblSayacOkumalari> sayac_okumalari = entity.TblSayacOkumalari .Select(x => new { ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11426615', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1324756/']} | jdg_180925 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 17702194 |
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 DocumentType model w/ a extensions attribute. In my form I'm allowing people to insert those extensions into the form. I want to be able to parse that input before s... | The key to understanding what's happening is knowing when serialization occurs . By inspecting serialization.rb in activerecord you'll see that the serialization magic happens by overriding type_cast_attribute_for_write, which is called on write_attribute. That is, on attribute assignment . So when you do: document_typ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/17702194', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/435471/']} | jdg_89230 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 28459783 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
One of my WHERE clauses is the following: AND (DateCreated BETWEEN @DateFrom and @DateTo OR (@DateFrom IS NULL OR @DateTo IS NULL)) @DateFrom and @DateTo are input parameters... | Just need some extra criteria to handle when one or the other is NULL : AND ( (DateCreated >= @DateFrom and DateCreated < DATEADD(day,1,@DateTo)) OR (@DateFrom IS NULL AND @DateTo IS NULL) OR (@DateFrom IS NULL AND DateCreated < DATEADD(day,1,@DateTo)) OR (@DateTo IS NULL AND DateCreated >= @DateFrom) ) Edit: Gi... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/28459783', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1714667/']} | jdg_98417 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 23236650 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
i am using SwipeRefreshLayout in my below layout: <?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layo... | I would say it's better to have an extended SwipeRefreshLayout with listener to be able to add various conditions from the classes that display this layout. Something like the following: GeneralSwipeRefreshLayout.java public class GeneralSwipeRefreshLayout extends SwipeRefreshLayout { private OnChildScrollUpListene... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/23236650', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2067853/']} | jdg_151307 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5821915 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I am building an analytics database (I have a firm understanding of the data and the business objectives and only basic-to-moderate database skills). I have come across some ... | Calendar tables implement a space/time tradeoff. By using more space, some kinds of queries run in less time, because they can take advantage of indexes. They're safe as long as you're careful with the CHECK() constraints, and as long as you have administrative processes to take care of any constraints that your dbms d... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/5821915', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/224393/']} | jdg_309839 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 38354 |
Below is a question asked on the forum datascience.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm aware that keras serves as a high-level interface to TensorFlow. But it seems to me that keras can do many functionalities on its own (data input, model creat... | Deep Learning frameworks operate at 2 levels of abstraction: Lower Level : This is where frameworks like Tensorflow, MXNet, Theano, and PyTorch sit. This is the level where mathematical operations like Generalized Matrix-Matrix multiplication and Neural Network primitives like Convolutional operations are implemented. ... | {} | {'log_upvote_score': 5, 'links': ['https://datascience.stackexchange.com/questions/38354', 'https://datascience.stackexchange.com', 'https://datascience.stackexchange.com/users/59193/']} | jdg_73844 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 149563 |
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I was told by a colleague that in Java object creation is the most expensive operation you could perform. So I can only conclude to create as few objects ... | Your colleague has no idea what they are talking about. Your most expensive operation would be listening to them . They wasted your time mis-directing you to information that is over a decade out of date (as of the original date this answer was posted) as well as you having to spend time posting here and researching th... | {} | {'log_upvote_score': 10, 'links': ['https://softwareengineering.stackexchange.com/questions/149563', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/40531/']} | jdg_265092 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 34427930 |
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 responsive layout using bootstrap. Layout has three rows. Top row has two columns and they stack vertically in small screens. The right column on top row has ... | To expand on the answer that Phoenix gave, inline means do you want the content to be loaded when the page loads and be readily accessable. So yo would put all of the 10 modals on the page so when the page loads the content would be already there and then you would just link to each modal individually. So you would pu... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/34427930', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/376048/']} | jdg_259772 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7420109 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
After researching this issue for a couple of hours, I found that one of the most efficient ways to toggle a page element's display (in HTML) is to do something like: // showi... | Yes, it resets the element's display property to the default by blanking out the inline "display: none", causing the element to fall back on its display property as defined by the page's ranking CSS rules. For example, here's a <div> with the ID of "myElement". <div id="myElement"></div> A <div> has a setting of displa... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/7420109', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/914482/']} | jdg_135947 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 9581171 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm searching rate-limiting engine for my rails 3 application. I've found some but that's not what i need. I 've found rack-throttle gem and curbit gem. It seems that rack-th... | Well, finally rack throttle is a good solution. You can do it the following way. You need to define your custom limiter. It can be based on either of the following limiters Rack::Throttle::LimiterRack::Throttle::IntervalRack::Throttle::HourlyRack::Throttle::Daily Everything you need to do is derive from one of the abov... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9581171', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1022108/']} | jdg_190306 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 5528839 |
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 trying to install Nokogiri on Mac OS 10.9.3 and whatever I try, the install fails in the end with the following error message: $ sudo gem install nokogiri -- --with... | I had the same issue. Unfortunately the " Installing Nokogiri " doesn't cover Iconv issues. Here's how I resolved the issue. First install homebrew , it'll make your life easier. If you already have it installed, be sure to grab the latest formulae by updating like so: brew update Note : In OSX 10.9+ you may need to ... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/5528839', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/564721/']} | jdg_356826 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3868237 |
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 a tutorial that has this code: static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); ... | Because using #IF will determine if the code is compiled or not. Using if will determine if the code is executed or not. It seems there's an "environment" TEST that's defined in compile time. So if that environment exists, the if (i % 2 == 0)continue; will be tested and executed: Only odd numbers will be printed. The i... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3868237', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/117700/']} | jdg_96612 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8728866 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I've come to Java from C++. In the C++ world we pay attention to exception safety, and note that mutators can provide different guarantees in the face of exceptions thrown by... | Quoth the Java Virtual Machine Specification : This specification cannot predict where internal errors or resourcelimitations may be encountered and does not mandate precisely whenthey can be reported. Thus, any of the VirtualMachineError subclassesdefined below may be thrown at any time during the operation of theJava... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8728866', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/545127/']} | jdg_366753 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I have an if statement in a script. It looks like this: if [ "$a" != "0" -a "$b" != "100" ]; then #some commands here If I'm not mistaken, the line above will work if bo... | The standard (POSIX sh and utilities) canonical legible ways would be: string comparison: if [ "$a" != 0 ] || [ "$b" != 100 ]; then... decimal integer comparison (0100 is 100, whether leading blanks are ignored or not depend on the implementation though). if [ "$a" -ne 0 ] || [ "$b" -ne 100 ]; then... integer compariso... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/210763', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/119587/']} | jdg_257016 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 11915957 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Possible Duplicate: What does the exclamation mark do before the function? If you look at the source code for KnockoutJS 2.1.0 you will see a code structure like this start o... | This is a concise way to form an immediately executed function expression. Traditionally, people have used these two forms (function(){ }()); // Recommended by Crockford(function(){ })(); // What most people use If you try to just use function(){ }(); // Syntax error it will be a syntax error, because it is interpreted... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/11915957', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/161152/']} | jdg_363039 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 18839216 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm a little sure as to how to launch a download of a file from Amazon S3 with Laravel 4. I'm using the AWS $result = $s3->getObject(array( 'Bucket' => $bucket, 'Key' ... | The S3Client::getObject() method allows you to specify headers that S3 should use when it sends the response. The getObjectUrl() method uses the GetObject operation to generate the URL, and can accept any valid GetObject parameters in its last argument. You should be able to do a direct S3-to-user download with your de... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/18839216', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1073419/']} | jdg_337948 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 51822513 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have an array of functions, as in: funcArray = [func1, func2, func3]; When in a given function, I want to execute the next function in the array. How do I do this? Here is ... | Unless func1 closes over funcArray , you cannot have it reach out and find func2 and execute it, nor should you. Even if func1 does close over funcArray , it would be poor separation of concerns for func1 to reach out and find itself in funcArray and then execute func2 . Instead, have other code that's in charge of run... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/51822513', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2633817/']} | jdg_353476 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Lots of people talk about the performance advantages of String.intern(), but I'm actually more interested in what the performance penalty may be. My main concerns are: Search... | I did a little bit of benchmarking myself. For the search cost part, I've decided to compare String.intern() with ConcurrentHashMap.putIfAbsent(s,s). Basically, those two methods do the same things, except String.intern() is a native method that stores and read from a SymbolTable that is managed directly in the JVM, an... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/10624232', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/80779/']} | jdg_322957 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Getting this error at the moment: Uncaught TypeError: Cannot read property 'value' of null I call this in my render function below: <input type="submit" className="nameInput"... | You need to have your function in the componentDidMount lifecycle since this is the function that is called when the DOM has loaded. Make use of refs to access the DOM element <input type="submit" className="nameInput" id="name" value="cp-dev1" onClick={this.writeData} ref = "cpDev1"/> componentDidMount: function(){ ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/40256673', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/6882762/']} | jdg_346373 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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What will happen when I use batch normalization but set batch_size = 1 ? Because I am using 3D medical images as training dataset, the batch size can only be set to 1 because... | variance will be 0 No, it won't; BatchNormalization computes statistics only with respect to a single axis (usually the channels axis, =-1 (last) by default); every other axis is collapsed , i.e. summed over for averaging; details below. More importantly, however, unless you can explicitly justify it, I advise against ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/59648509', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/9229923/']} | jdg_313692 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I have a dataset, containing some trees and the estimated upper and lower bounds of their ages. For example, tree #1 is 10~15 years old, and tree #2 is 13~20 years old,... | You could plot each tree's interval but sort on interval midpoint at least. The "data" here are fake; I didn't have any sight of your data when I did this. This is in effect a quantile plot with added information on uncertainty. Adding points at the midpoints and/or connecting them with a line would emphasize the overa... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/546930', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/286165/']} | jdg_81374 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 344505 |
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:
Show that $$\frac{\sin x}{\cos 3x}+\frac{\sin 3x}{\cos 9x}+\frac{\sin 9x}{\cos 27x} = \frac{1}{2}\left(\tan 27x-\tan x\right)$$
Now provide the response and nothing els... | A more general result is in fact true.$$\sum_{k=0}^{n} \dfrac{\sin\left(3^k x\right)}{\cos\left(3^{k+1} x\right)} = \dfrac{\tan\left(3^{n+1} x\right) - \tan(x)}2 \,\,\,\, (\spadesuit)$$Take $n=2$ in $(\spadesuit)$, to get what you want. To prove $(\spadesuit)$, first note that$$\dfrac{\sin \left(3^k \cdot x \right)}{\c... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/344505', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/66342/']} | jdg_291893 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 24719368 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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from os import systemdef a(len1,hgt=len1,til,col=0): system('mode con cols='+len1,'lines='+hgt) system('title',til) system('color',col)a(64,25,"hi","0b")input() When... | Let me clarify two points here: Firstly non-default argument should not follow the default argument, it means you can't define (a='b', c) in function.The correct order of defining parameter in function are: positional parameter or non-default parameter i.e (a, b, c) keyword parameter or default parameter i.e (... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/24719368', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3810747/']} | jdg_145793 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 18061100 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I want to split a string when following of the symbols encounter "+,-,*,/,="I am using split function but this function can take only one argument.Moreover it is not working ... | String.split takes a regular expression as argument. This means you can alternate whatever symbol or text abstraction in one parameter in order to split your String . See documentation here . Here's an example in your case: String toSplit = "a+b-c*d/e=f";String[] splitted = toSplit.split("[-+*/=]");for (String split: s... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/18061100', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2201808/']} | jdg_111028 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1516801 |
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:
Relearning the basics. When I have the equation: $$2x^2+2x+2=2x^2+2x+2$$ $$0=0.$$ I can say that x is any number. But when i simplify this equation from the following o... | It's neither obvious nor a dumb question. But it is, perhaps surprisingly, sensitive to what theory, or at least what language, you're proving things in. I assume you intend the example you gave, $(\exists x)\,x\ge1$, as a sentence about the real numbers. The reals are a real closed field , and the theory of real close... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/1516801', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/287704/']} | jdg_101090 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 7263626 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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So I would like to do something like: app.On_All_Incoming_Request(function(req, res){ console.log('request received from a client.');}); the current app.all() requires a p... | Express is based on the Connect middleware. The routing capabilities of Express are provided by the router of your app and you are free to add your own middlewares to your application. var app = express.createServer();// Your own super cool functionvar logger = function(req, res, next) { console.log("GOT REQUEST !")... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/7263626', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/380562/']} | jdg_94577 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 22152668 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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We have a list: myList = [1, "two"] And want to print it out, normally I would use something like: "{0} and {1}".format(*myList) But you could also do: " and ".join(myList) B... | From the Zen of Python : Explicit is better than implicit. and Errors should never pass silently. Converting to strings implicitly can easily hide bugs, and I'd really want to know if I suddenly have different types somewhere that were meant to be strings. If you want to explicitly convert to strings, you can do so usi... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/22152668', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/849354/']} | jdg_358210 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 312530 |
Below is a question asked on the forum electronics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Cisco antenna explanation Here it says that antenna is passive device which doesn't offer any added power to the signal. But at same time it says that antenna is... | An antenna is a passive device. The gain of an antenna refers to its directivity times efficiency compared to an isotropic antenna. An isotropic antenna is a theoretical antenna that radiates equally in all directions. If this antenna were encapsulated in the center of a sphere, it would illuminate all parts of the sph... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/312530', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/152875/']} | jdg_239429 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 594604 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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String s1 = "BloodParrot is the man"; String s2 = "BloodParrot is the man"; String s3 = new String("BloodParrot is the man"); System.out.println(s1.equals(s2));System.out.... | Java only automatically interns String literals . New String objects (created using the new keyword) are not interned by default. You can use the String.intern() method to intern an existing String object. Calling intern will check the existing String pool for a matching object and return it if one exists or add it i... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/594604', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/68653/']} | jdg_382545 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 35920 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I remember hearing about this in one of the programs in discovery science. The physicist claimed that the maximum possible information in the universe is $10^{10^{123... | The number $10^{123}$ emerges as (roughly) the number of Planck areas contained within the boundary of the observable universe. If each Planck area can be (roughly) in two states, a total of $10^{123}$ yes/no questions suffice to describe the boundary of the universe and - via the (still speculative) holographic princi... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/35920', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/11364/']} | jdg_237249 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I've noticed that there are two different ways to load nib/xib files: via the UIView's initWithNibName:bundle: method NSBundle's loadNibNamed:owner:options: method. Can someo... | NSBundle ’s methods are the generic API to use for unarchiving NIBs. They do the actual work (together with NSNib ). UIViewController ’s initWithNibName:bundle: on the other hand is a way to initialize a view controller which (might) load its view from a nib. The method does not itself load the nib but just takes note ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1704166', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/154824/']} | jdg_137959 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 6098925 |
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 a very fast way to determine if an array consits only of integers with the value of 9 . Here is my current solution: input = [9,9,9,9,9,9,9,9,9,9,9,9]input.uniq == [9]... | require 'benchmark'n = 50000Benchmark.bm do |x| x.report "uniq " do n.times do input = [9,9,9,9,9,9,9,9,9,9,9,9] input.uniq == [9] end end x.report "delete" do n.times do input = [9,9,9,9,9,9,9,9,9,9,9,9] input.delete 9 input == [] end end x.report "count " do n.times d... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/6098925', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/130024/']} | jdg_94497 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 15072578 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Let's say I have the following, public class Foo{ private String bar; public String getBar(){ return bar; } public void setBar(String bar){ this.bar... | No, this is not threadsafe. Foo is mutable, so if you want to ensure that different threads see the same value of bar – that is, consistency – either: Make bar volatile , or Make the methods synchronized , or Use an AtomicReference<String> . The reads and writes of bar are themselves atomic, but atomicity is not thread... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/15072578', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/584862/']} | jdg_75122 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 52514075 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Currently I am facing a problem to detect if mobile device support notch display in android. Can any one help me in this? (I need to do this using code in android studio) Tha... | Some Oreo devices also have notch display if you are targeting to support all OS then you can use my solution. As per material design guidelines the status bar height for Android devices is 24dp. You can get device status bar height and device density by using the following and check if status bar height is more than 2... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/52514075', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/8631928/']} | jdg_164843 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 47952 |
Below is a question asked on the forum astronomy.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Hi readers, I am planning to build my telescope. Does this very simple 2 convex lens arrangement even possible to observe the moon clearly with high magnification? ... | If you buy that lens as an objective you will learn a lot very quickly! Spherical aberration is a monster! Chromatic aberration is a monster! But you will be very very disappointed when you try to see something. You must check the catalog and only order " achromatic doublets " Companies like Thorlabs and Edmund Optics ... | {} | {'log_upvote_score': 4, 'links': ['https://astronomy.stackexchange.com/questions/47952', 'https://astronomy.stackexchange.com', 'https://astronomy.stackexchange.com/users/44794/']} | jdg_299900 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 27929491 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Consider the following code: class Abstract{public: virtual void printStuff()=0;};class Derived: public Abstract{public: void printStuff(){ printf("Stuff\n"); ... | You can't pass an abstract class by value because it can't be instantiated. In most cases pass-by-value is the wrong thing to do anyway (or at least the non-optimal). What you're looking for is pass by reference: void ref_function(Abstract & abs){ abs.printStuff();} When you pass by reference any modifications mad... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/27929491', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2805344/']} | jdg_231704 | PrimeIntellect/stackexchange-question-answering |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm using MochaJS and SuperTest to test my API during development and absolutely LOVE it. However, I would like to also turn these same tests to remotely tests my staging ser... | I'm not sure if you can do it with supertest. You can definitely do it with superagent . Supertest is built on superagent. An example would be: var request = require('superagent');var should = require('should');var agent = request.agent();var host = 'http://www.yourdomain.com'describe('GET /', function() { it('should ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/13754105', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/179335/']} | jdg_81627 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 10675399 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Related but not quite duplicate as it discusses C++: can we give size of static array a variable I am defining an array in one of the child files as follows. static int arr[s... | Since the size of the array you declare is not constant, what you have is an Variable Length Array(VLA) . VLA are allowed by the c99 standard but there are some limitations associated with it. You cannot have an variable length array with static or extern storage class specifier. You have an VLA with static storage spe... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10675399', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/842808/']} | jdg_220472 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 570545 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
How can I simply prove the two following equations? $$\cos^2x=\frac{1+\cos(2x)}{2} \,\,\,\,\,\,\,\,\,\,\text{ and }\,\,\,\,\,\,\,\,\,\, \sin^2 x=\frac{1-\cos(2x)}{2}$$ I... | It’s good practice working with summations. Let $F_1(x)=\sum_{n\ge 0}a_nx^n$, $F_2(x)=\sum_{n\ge 0}b_nx^n$, and $F_3(x)=F_1(x)F_2(x)=\sum_{n\ge 0}c_nx^n$, where we know that $$c_n=\sum_{k=0}^na_kb_{n-k}\;.$$ Now $$\begin{align*}F_1(x)F_2'(x)&=\sum_{n\ge 0}a_nx^n\sum_{n\ge 0}nb_nx^{n-1}\\&=\sum_{n\ge 0}a_nx^n\sum_{n\ge ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/570545', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/-1/']} | jdg_203155 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 21196 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Suppose $\bar{X}_n$ is the mean of a random sample of size ${n}$ from an exponential distribution with $\lambda$ > 0. Then what does the following statement about conver... | We say that $X_n\to X$ in distribution if $F_n(x)\to F(x)$ for all continuity points $x$ of $F$. Here, $F_n$ is the distribution function of $X_n$ and $F$ the distribution function of $X$. On the other hand, $X_n\to X$ in probability means that for every $\varepsilon >0$, we have $$P(|X_n-X|>\varepsilon)\to 0\mbox{ as ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/21196', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/6335/']} | jdg_246969 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 8399389 |
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 searched a lot on the net how to access the global $_SESSION array from TWIG template and found this: {{app.session.get('index')}} , but when I'm calling it, it returns ... | {{app.session}} refers to the Session object and not the $_SESSION array. I don't think the $_SESSION array is accessible unless you explicitly pass it to every Twig template or if you do an extension that makes it available. Symfony2 is object-oriented, so you should use the Session object to set session attributes an... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/8399389', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/624305/']} | jdg_242752 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 60692255 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm building a Nuxt application that has a list of products and clicking on one of them open a dedicated page of the product. It is working fine. Structure is: /pages/feature... | I have built a sandbox solution for you here: https://codesandbox.io/s/reverent-leftpad-xj81p Explaining the solution: The solution uses beforeRouteLeave() function from the vue-router which is available to your nuxt pages by default: beforeRouteLeave(to, from, next) { if (to.name === "product-id") { this.displayPr... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/60692255', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1645985/']} | jdg_140812 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1713670 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
The solution is eluding me completely. My attempt at a solution:Realize that$ y=e^{\ln(y)}$.Thus $e^x - e^{-x} = e^{\ln(y)}$But this gets me nowhere.
Now provide the re... | multply by $e^x$ to give $$e^{2x} - 1 = 2ye^x \implies (e^x)^2 - 2y (e^x) - 1 = 0 \implies e^x = \frac{2y \pm \sqrt{4y^2 +4}}{2} = y \pm \sqrt{y^2+1}.$$ Since $e^x > 0$, we need to take the positive half of $\pm$. Then $$x = \log\left(y + \sqrt{y^2 + 1} \right).$$ | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1713670', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/195968/']} | jdg_330277 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 27706813 |
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 spark with cassandra, and i hava a JavaRDD<String> of clients. And for each client, i want to select from cassandra his Interactions like this : avaPairRDD<String, ... | No, JavaSparkContext is not serializable and is not supposed to be. It can't be used in a function you send to remote workers. Here you're not explicitly referencing it but a reference is being serialized anyway because your anonymous inner class function is not static and therefore has a reference to the enclosing cla... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/27706813', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4213786/']} | jdg_105388 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 110582 |
Below is a question asked on the forum cs.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
For the proof of "Cook-Levin Theorem", for a Turing Machine $M$ that accepts a language $L \in NP$ and input $x \in \{0,1\}^*$ , we can create a SAT Formula, that is sati... | The proof of the Cook-Levin theorem shows that for any nondeterministic Turing machine $M$ , any input $x$ , and any (reasonable) time bound $t(n)$ , we can construct (efficiently) a SAT formula of size proportional to $t(|x|)^2$ that is satisfiable iff $M$ accepts $x$ within $t(|x|)$ steps. If you know that $M$ is sup... | {} | {'log_upvote_score': 4, 'links': ['https://cs.stackexchange.com/questions/110582', 'https://cs.stackexchange.com', 'https://cs.stackexchange.com/users/105081/']} | jdg_292357 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 569801 |
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:
When we use Neural Networks to solve various tasks, we define an objective that the Network parameters $\theta=(\theta_i)_{1\le i\le N}\in\Theta^N$ have to minimize. So... | Your example of $\mathcal{P}=\| \theta \|_2^2$ is called L2 regularization (or "weight decay"), and has been very well-studied in the context of neural networks (for example, Goodfellow et al, Deep Learning (2016), or Hastie et al, The Elements of Statistical Learning (2009)). It can make problems that are not strictly... | {} | {'log_upvote_score': 4, 'links': ['https://stats.stackexchange.com/questions/569801', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/305654/']} | jdg_174025 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 15252225 |
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 array such as - arr[0] = "Name";arr[1] = "Address";arr[2] = "Phone";... I want to create a Dictionary<string, int> such that the array values will be the dictionary... | You can use the overload of Select which includes the index: var dictionary = array.Select((value, index) => new { value, index }) .ToDictionary(pair => pair.value, pair => pair.index); Or use Enumerable.Range : var dictionary = Enumerable.Range(0, array.Length).ToDictionary(x => array[x]); Note th... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/15252225', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/863975/']} | jdg_142086 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1708835 |
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 the SocketServer module for a TCP server.I'm experiencing some issue here with the recv() function, because the incoming packets always have a different size, so if... | The answer by Larry Hastings has some great general advice about sockets, but there are a couple of mistakes as it pertains to how the recv(bufsize) method works in the Python socket module. So, to clarify, since this may be confusing to others looking to this for help: The bufsize param for the recv(bufsize) method is... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/1708835', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/207864/']} | jdg_381940 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 19911514 |
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 get the impression this question is so simple nobody has bothered to make a demo of it, but I don't know enough D3 (yet) to see what I'm doing wrong. The behavior I'm look... | First off, you definitely have the right idea for how to add points on mousedown . The two things I'd change are: Use click instead of mousedown , so if you click existing points you don't add a new point on top of the existing one. Add one point at a time, instead of re-adding all the points on each click . Here's a w... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/19911514', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1396588/']} | jdg_74538 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 193507 |
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Is the following guaranteed to return true for all numerical and non-zero values of x ? bool IsRoundTrip(double x){ double y = 1 / (1 / x); return x... | To simplify things by defining a concrete implementation, I will assume (as other answers do) that we're talking about IEEE 754 64-bit floating point. Each floating point number has three parts: a sign, an exponent, and a mantissa. (Technical details about hidden bits are irrelevant to this discussion). Reciprocation d... | {} | {'log_upvote_score': 6, 'links': ['https://softwareengineering.stackexchange.com/questions/193507', 'https://softwareengineering.stackexchange.com', 'https://softwareengineering.stackexchange.com/users/33490/']} | jdg_370183 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 332681 |
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 kind of scary! I removed /etc/init.d directory! How can I recover this directory?I know that if I restart my computer now I won't see my linux again! Please advice!
No... | Look at the /etc/rc?.d directories. You will find symlinks in those that point to the scripts that were in /etc/init.d. You will know what startup scripts you will need to restore to /etc/init.d. So, something like: $ ls -l /etc/rc?.d and you will see something like: /etc/rc2.d:total 4-rw-r--r-- 1 root root 556 2009... | {} | {'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/332681', 'https://serverfault.com', 'https://serverfault.com/users/24912/']} | jdg_193427 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 1481 |
Below is a question asked on the forum ai.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
For example, I would like to train my neural network to recognize the type of actions (e.g. in commercial movies or some real-life videos), so I can "ask" my network in wh... | There are several approaches as to how this can be achieved. One recent study from 2015 about Action Recognition in Realistic Sports Videos PDF uses the action recognition framework based on the three main steps of feature extraction (shape, post or contextual information), dictionary learning to represent a video, and... | {} | {'log_upvote_score': 4, 'links': ['https://ai.stackexchange.com/questions/1481', 'https://ai.stackexchange.com', 'https://ai.stackexchange.com/users/8/']} | jdg_74955 | PrimeIntellect/stackexchange-question-answering |
stackexchange | llm_judgeable_groundtruth_similarity | 3094380 |
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 just recently encountered the term "Weak Conformance" (in Stack Overflow user retronym 's answer to How to set up implicit conversion to allow arithmetic between numeric ty... | 3.5.3 Weak Conformance In some situations Scala uses a more general conformance relation. A type S weakly conforms to a type T , written S <: w T , if S <: T or both S and T are primitive number types and S precedes T in the following ordering. Byte <: w Short Byte <: w Character Short <: w Int Int <: w Long Long ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3094380', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/200166/']} | jdg_122270 | PrimeIntellect/stackexchange-question-answering |
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