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Return array in a function

...rk: int fillarr(int* arr) So in the same sense, what you want to return from your function is actually a pointer to the first element in the array: int* fillarr(int arr[]) And you'll still be able to use it just like you would a normal array: int main() { int y[10]; int *a = fillarr(y); ...
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How to “grep” for a filename instead of the contents of a file?

...ch the filename itself (and not the contents of the file). I will run this from the system's root directory, to find all those files that match the regular expression. ...
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bootstrap modal removes scroll bar

... Its better to use overflow-y:scroll and remove padding from body, bootstrap modal added padding to page body. .modal-open { overflow:hidden; overflow-y:scroll; padding-right:0 !important; } IE browser Compatible: IE browser doing same thing by default. ...
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How to listen for changes to a MongoDB collection?

...e job? Do I need to poll every few seconds to see if there are any changes from last time, or is there a way my script can wait for inserts to occur? This is a PHP project that I am working on, but feel free to answer in Ruby or language agnostic. ...
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Javascript Equivalent to PHP Explode()

... This is a direct conversion from your PHP code: //Loading the variable var mystr = '0000000020C90037:TEMP:data'; //Splitting it with : as the separator var myarr = mystr.split(":"); //Then read the values from the array where 0 is the first //Since w...
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Double not (!!) operator in PHP

... Using !! is a habit remaining from programming in C(++). In C doing a cast isn't as easy as in PHP, you can get many different problems, compile warnings, a.s.o. Thus people cast to boll by using !!. – NikiC Sep 20 '...
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Flex-box: Align last row to grid

... @DanAndreasson There are two issues, it does not start from the left (like space-between), and also the space between the items of the last row is different than in previous row (simulating some fixed width items in "any-size" grid - relates to both)... codepen.io/anon/pen/gPoYZE...
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How to wait for all threads to finish, using ExecutorService?

... @AlikElzin-kilaka Quote from the JavaDocs (linked in the answer): "Executes the given tasks, returning a list of Futures holding their status and results when all complete. Future.isDone() is true for each element of the returned list." ...
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When is it better to use an NSSet over an NSArray?

... The image from Apple's Documentation describes it very well: Array is an ordered (order is maintained when you add) sequence of elements [array addObject:@1]; [array addObject:@2]; [array addObject:@3]; [array addObject:@4]; [array...
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Read environment variables in Node.js

... When using Node.js, you can retrieve environment variables by key from the process.env object: for example var mode = process.env.NODE_ENV; var apiKey = process.env.apiKey; // '42348901293989849243' Here is the answer that will explain setting environment variables in node.js ...