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Operator precedence with Javascript Ternary operator

...ause> is assigned to <variable>, <false clause> is ignored, and the next statement is executed. If <expression> evaluates to false, then <true clause> is ignored and the value of <false clause> is assigned to <variable>. The important thing to realise with th...
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Removing duplicate objects with Underscore for Javascript

... The "'_.pluck' callback shorthand" only works if you pass a value for isSorted (e.g. _.uniq(a, false, 'a')) I pinged github/bestiejs/lodash and they said the issue was fixed on edge. So if you're not using a function, make sure you have the latest. This ...
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Check if Key Exists in NameValueCollection

Is there a quick and simple way to check if a key exists in a NameValueCollection without looping through it? 12 Answers ...
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How to specify the location with wget?

...x. The directory prefix is the directory where all other files and sub-directories will be saved to, i.e. the top of the retrieval tree. The default is . (the current directory). So you need to add -P /tmp/cron_test/ (short form) or --directory-prefix=/tmp/cron_t...
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What's the key difference between HTML 4 and HTML 5?

What are the key differences between HTML4 and HTML5 draft ? 8 Answers 8 ...
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How to use permission_required decorators on django class-based views

I'm having a bit of trouble understanding how the new CBVs work. My question is this, I need to require login in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how ...
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How to quickly open a file in Visual Studio 2012

...t by typing Ctrl + D (or whatever shortcut assigned) to go to Find tool, and then type >of myfile.cs , the file will be opened then, and it is even more convenient that this will do an incremental search of the file name. In the whole procedure I don't need to use mouse at all. ...
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Thread Safety in Python's dictionary

...de should be safe. Keep in mind: a lock here will add almost no overhead, and will give you peace of mind. http://effbot.org/pyfaq/what-kinds-of-global-value-mutation-are-thread-safe.htm has more details. share |...
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How do I create a unique ID in Java? [duplicate]

... Create a UUID. String uniqueID = UUID.randomUUID().toString(); share | improve this answer | follow | ...
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How to convert a boolean array to an int array

I use Scilab, and want to convert an array of booleans into an array of integers: 6 Answers ...