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Multiple inheritance/prototypes in JavaScript

... first prototype which contains that property, and I return the value, or call the getter on the appropriate receiver. This is handled by Reflect.get. If no prototype contains the property, I return undefined. The set trap is a trap for setting property values. I use find to find the first prototype...
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How to detect if multiple keys are pressed at once using JavaScript?

... until its script is finished downloading. Putting it ahead of the content allows the content to load beforehand. B (which is where your interest lies) You can check for one or more keys at a time where /*insert conditional here*/ was, take this example: if(map[17] && map[16] && map[...
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GDB corrupted stack frame - How to debug?

... Those bogus adresses (0x00000002 and the like) are actually PC values, not SP values. Now, when you get this kind of SEGV, with a bogus (very small) PC address, 99% of the time it's due to calling through a bogus function pointer. Note that virtual calls in C++ are implemented ...
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Abandoning changes without deleting from history

...rst time you push this closed head to another repository since you are actually create additional heads in the remote repository when you push. So tell Mercurial that this is okay with --force. People who pull the closed head wont be bothered by any warnings. ...
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Clearing NSUserDefaults

...e time studying the Apple documentation and resetStandardUserDefaults basically flushes the in-memory buffer to disk and wipes it clean. So the next time you try to retrieve a value it has to grab it from disk. Core Data's NSManagedObjectContext also uses similar "reset" terminology. ...
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Common CSS Media Queries Break Points [duplicate]

...re practical to base them on your particular layout instead. That is, gradually narrow your desktop browser window and observe the natural breakpoints for your content. It's different for every site. As long as the design flows well at each browser width, it should work pretty reliably on any scree...
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How should I ethically approach user password storage for later plaintext retrieval?

...hat the user can retrieve the password, then strictly speaking you don't really need to retrieve the password they set (they don't remember what it is anyway), you need to be able to give them a password they can use. Think about it: if the user needs to retrieve the password, it's because they've...
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Why use AJAX when WebSockets is available?

...s opens up new application domains to browser applications that were not really possible using HTTP and AJAX (interactive games, dynamic media streams, bridging to existing network protocols, etc). However, there is certainly an overlap in purpose between WebSockets and AJAX/Comet. For example, whe...
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In C++, is it still bad practice to return a vector from a function?

...o says nothing about v-tables, so you can't be sure that virtual function calls are efficient either. Essentially, you need to put some faith in the compiler at times. – Peter Alexander Jun 28 '10 at 23:04 ...
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Where to place JavaScript in an HTML file?

...ts. Of course Levi's comment "just before you need it and no sooner" is really the correct answer, i.e. "it depends". share | improve this answer | follow | ...