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Move assignment operator and `if (this != &rhs)`

... array of the same size and then deallocate the old one of the same size! Now for your clients who actually want strong exception safety: template <class C> C& strong_assign(C& lhs, C rhs) { swap(lhs, rhs); return lhs; } Or maybe if you want to take advantage of move assign...
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How to handle multiple cookies with the same name?

...: this information from 2010 appears to be outdated, it seems browsers can now send multiple cookies in return, see answer by @Nate below for details share | improve this answer | ...
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Update built-in vim on Mac OS X

I know this might be more appropriate at Ask Different, but as I tried adding tags there, there was no vim tag, only macvim . So I figured I might get a better audience here. ...
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How to create cron job using PHP?

I'm new to using cron job. I don't even know how to write it. I have tried to search from internet, but I still don't understand it well. I want to create a cron job that will execute my code every minute. I'm using PHP to create it. It is not working. ...
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Convert java.util.Date to String

...14 14:05:09 java.time The modern way is with the java.time classes that now supplant the troublesome old legacy date-time classes. First convert your java.util.Date to an Instant. The Instant class represents a moment on the timeline in UTC with a resolution of nanoseconds (up to nine (9) digits...
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Spring @Autowired usage

... My reasons for preferring fully @Autowired have changed over time. Right now I think the most important reason for using autowiring is that there's one less abstraction in your system to keep track of. The "bean name" is effectively gone. It turns out the bean name only exists because of xml. So a...
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When is JavaScript synchronous?

...n the abc() execution context is created and put on the execution stack... Now when abc() finishes its context is popped from stack, then the xyz() context is popped from stack and then global context will be popped... Now about asynchronous callbacks; asynchronous means more than one at a time. ...
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Add to Array jQuery

I know how to initliaize one but how do add I items to an Array? I heard it was push() maybe? I can't find it... 4 Answer...
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What guidelines for HTML email design are there? [closed]

...use Hotmail used to accept it that way - I'm pretty sure they strip it out now though. Use inline styles with the style attribute if you must use CSS. Forget entirely about float Remember your images will probably be blocked - use background and text colour to your advantage - make sure there is som...
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Error when trying to obtain a certificate: The specified item could not be found in the keychain

... It seems like OS X now defaults to the first item being selected now. If you just choose a different keychain (i.e System) when you generate this it should fix the issue. – James Parker Jan 20 '16 at 14:25...