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How to autosize a textarea using Prototype?

...e seems to be pretty safe and nice. None of the Facebook-using-newbies I know have ever mentioned anything about it or been confused. I'd use this as anecdotal evidence to say 'go ahead, implement it'. Some JavaScript code to do it, using Prototype (because that's what I'm familiar with): <!DO...
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What are forward declarations in C++?

...erence between declaration and definition As an aside, it's important to know the difference between a declaration and a definition. A declaration just gives enough code to show what something looks like, so for a function, this is the return type, calling convention, method name, arguments and th...
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How to Deal with Temporary NSManagedObject instances?

...e Apple have updated CoreDataBooks, indeed it still uses two contexts, but now the 2nd context is a child of the first. This technique is discussed (and recommended) in WWDC 2011 presentation 303 (what's new in Core Data in iOS) and is mentioned here (with the much, MUCH, simpler code for merging ch...
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Java ArrayList - how can I tell if two lists are equal, order not mattering?

...use there’s a recent similar question regarding iterables. Since we also now have Java 8, it was worth rethinking it. If you short-circuit in the second loop when the number becomes negative, the third loop becomes obsolete. Further, avoiding boxing might be a double-edged sword, with new Map.merg...
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How can I convert a DOM element to a jQuery element?

I am creating an element with document.createElement(). Now how can I pass it to a function that only takes a Jquery object? ...
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Difference between this and self in self-type annotations?

...aking a certain type and returning the code block e.g. foo: B => {...}. Now those curlies are of course omitted. It is interesting to see that you can use the object name instead of "this" inside any scope in the code though [something we do all the time in javascript] – Ust...
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How do I make Vim do normal (Bash-like) tab completion for file names?

... This used to be working in the past (gVim/ubuntu) but now it does not (macvim8.x/macOS). See example. Any ideas? – Paschalis Dec 21 '16 at 19:19 1 ...
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Find the min/max element of an Array in JavaScript

...lleague tries to get the alphabetically-latest string in an array with the now-well-documented native .max() method, but mysteriously gets NaN. Hours later, she finds this code, runs a git blame, and curses your name. – Mark Amery Feb 14 '15 at 0:21 ...
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Find size of object instance in bytes in c#

...undocumented hacks. Do not rely on this working - even if it works for you now, it may stop working tomorrow, with any minor or major .NET update. You can use the information in this article on CLR internals MSDN Magazine Issue 2005 May - Drill Into .NET Framework Internals to See How the CLR Creat...
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How do I convert a NSString into a std::string?

...a few weeks I went around to expand my answer. I hope it's more acceptable now. – JustSid Mar 17 '16 at 20:00 @JustSid...