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what is the unsigned datatype?

...or unsigned long long int — float — double — long double — _Bool — float _Complex — double _Complex — long double _Complex — atomic type specifier — struct or union specifier — enum specifier — typedef name So in case of unsigned int we can either writ...
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Differences between Perl and PHP [closed]

...ype, of which Perl has three, and the type specifier is part of the name (called a "sigil"), so $foo is a different variable than @foo or %foo. (related to the previous point) Perl has separate symbol table entries for scalars, arrays, hashes, code, file/directory handles and formats. Each has its o...
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When is a C++ destructor called?

Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete ...
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GitHub relative link in Markdown file

...entation files, whether you view the documentation on GitHub itself, or locally, using a different markup renderer. You want examples of link definitions and how they work? Here's some Markdown for you. Instead of an absolute link: [a link](https://github.com/user/repo/blob/branch/other_file...
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How do I automatically update a timestamp in PostgreSQL

I want the code to be able to automatically update the time stamp when a new row is inserted as I can do in MySQL using CURRENT_TIMESTAMP. ...
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PHP - Extracting a property from an array of objects

...he question because, array_column doesn't work with an array of objects at all. Since PHP 7.0.0 is is possible: stackoverflow.com/a/23335938/655224 – algorhythm May 23 '17 at 6:36 ...
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Is it Linq or Lambda?

... This is LINQ (using query syntax): var _Results = from item in _List where item.Value == 1 select item; This is also LINQ (using method syntax): var _Results = _List.Where(x => x.Value == 1); It's interesting to note that bo...
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Targeting position:sticky elements that are currently in a 'stuck' state

...an intersection observer to notify when elements with the class * `.sticky_sentinel--top` become visible/invisible at the top of the container. * @param {!Element} container */ function observeHeaders(container) { const observer = new IntersectionObserver((records, observer) => { for (co...
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Capitalize or change case of an NSString in Objective-C

...e caps ➔ (method missing; see workaround below) Hence what you want is called "uppercase", not "capitalized". ;) As for "Sentence Caps" one has to keep in mind that usually "Sentence" means "entire string". If you wish for real sentences use the second method, below, otherwise the first: @inter...
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How to do error logging in CodeIgniter (PHP)

... wouldn't be publicly accessible- but you'll never know. Make sure to have all of this precautions in place if you change the default application/logs directory. – Vincent Edward Gedaria Binua Jan 29 '15 at 2:56 ...