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Getting All Variables In Scope

...nk to the official page where you can download the canonical spec (a PDF), and here's one to the official, linkable HTML version. Update based on your comment to Camsoft The variables in scope for your event function are determined by where you define your event function, not how they call it. But...
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Random alpha-numeric string in JavaScript? [duplicate]

What's the shortest way (within reason) to generate a random alpha-numeric (uppercase, lowercase, and numbers) string in JavaScript to use as a probably-unique identifier? ...
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Why aren't pointers initialized with NULL by default?

... We all realize that pointer (and other POD types) should be initialized. The question then becomes 'who should initialize them'. Well there are basically two methods: The compiler initializes them. The developer initializes them. Let us assume tha...
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Problems with pip install numpy - RuntimeError: Broken toolchain: cannot link a simple C program

I'm trying to install numpy (and scipy and matplotlib) into a virturalenv. 11 Answers ...
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Android 4.2: back stack behaviour with nested fragments

With Android 4.2, the support library got support for nested fragments see here . I've played around with it and found an interesting behaviour / bug regarding back stack and getChildFragmentManager() . When using getChildFragmentManager() and addToBackStack(String name), by pressing the back butt...
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How to configure XAMPP to send mail from localhost?

...d mail from localhost. for example you can configure C:\xampp\php\php.ini and c:\xampp\sendmail\sendmail.ini for gmail to send mail. in C:\xampp\php\php.ini find extension=php_openssl.dll and remove the semicolon from the beginning of that line to make SSL working for gmail for localhost. in php....
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Why is === faster than == in PHP?

...nverts, the data type temporarily to see if it’s equal to the other operand, whereas === (the identity operator) doesn’t need to do any converting whatsoever and thus less work is done, which makes it faster. share ...
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Turn a number into star rating display using jQuery and CSS

I have been looking at jquery plugin and was wondering how to adapt that plugin to turn a number (like 4.8618164) into a 4.8618164 stars filled out of 5. Basically interpreting a number ...
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What kind of Garbage Collection does Go use?

...ine CPU cores dedicated to running the concurrent collector tri-color mark-and-sweep algorithm non-generational non-compacting fully precise incurs a small cost if the program is moving pointers around lower latency, but most likely also lower throughput, than Go 1.3 GC Go 1.3 garbage collector up...
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PostgreSQL “DESCRIBE TABLE”

... equivalent of Oracle's DESCRIBE TABLE in PostgreSQL (using the psql command)? 22 Answers ...