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javascript function leading bang ! syntax

... Ideally you should be able to do all this simply as: function(){ // do stuff }(); That means declare anonymous function and execute it. But that will not work due to specifics of JS grammar. So shortest form of achieving ...
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Arrow operator (->) usage in C

I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...
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Disable Automatic Reference Counting for Some Files

... clear on this point, seem to suggest that as long as each class is either all ARC or all manually-managed, the classes can be integrated into a single program. You only can't mix ARC and non-ARC in a single class; the document says that sending retain, release, autorelease, or retainCount messages...
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Visual Studio “Find” results in “No files were found to look in. Find stopped progress.”

...o this thread: Posted by Microsoft on 10/13/2009 at 4:33 PM Hi all, Thank you for your continued interest in this bug. We have been able to reproduce the issue intermittently in several versions of Visual Studio running on several versions of Windows and have identified th...
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How can I view all historical changes to a file in SVN

... There's no built-in command for it, so I usually just do something like this: #!/bin/bash # history_of_file # # Outputs the full history of a given file as a sequence of # logentry/diff pairs. The first revision of the file is emitted as # full text since there's no...
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How to print time in format: 2009‐08‐10 18:17:54.811

... Superb answer. I could do all sorts of things in PHP, but knew it was all there already in C. THanks. – Vijay Kumar Kanta Jan 23 '14 at 12:43 ...
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log4net vs. Nlog

...se NLog. Which I'd prefer. That's based on these findings (opinions!): All 3 frameworks are capable and can do some sophisticated things. We want a quality solution, but frankly don't need ultra high performance or 60 types of event sinks. All 3 have very similar basic concepts. Each has its ow...
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Smooth scrolling when clicking an anchor link

...te April 2018: There's now a native way to do this: document.querySelectorAll('a[href^="#"]').forEach(anchor => { anchor.addEventListener('click', function (e) { e.preventDefault(); document.querySelector(this.getAttribute('href')).scrollIntoView({ behavior: 'smo...
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Should I inherit from std::exception?

... just catch the std::exception. Edit: as Martin and others noted, you actually want to derive from one of the sub-classes of std::exception declared in <stdexcept> header. share | improve thi...
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?

... are part of the ECMAscript 6 specification. They are not yet supported in all browsers, but they are partially or fully supported in Node v. 4.0+ and in most modern browsers in use as of 2018. (I’ve included a partial list of supporting browsers below). You can read more in the Mozilla documentat...