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Clear terminal in Python [duplicate]

... Note that this is not portable across all terminal types... not that you'll run into too many odd types these days... – Ignacio Vazquez-Abrams Jan 18 '10 at 7:44 ...
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Do fragments really need an empty constructor?

... Yes they do. You shouldn't really be overriding the constructor anyway. You should have a newInstance() static method defined and pass any parameters via arguments (bundle) For example: public static final MyFragment newInstance(int title, String messa...
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Is jQuery “each()” function synchronous?

... Yes, the jQuery each method is synchronous. Nearly ALL JavaScript is synchronous. The only exceptions are AJAX, timers (setTimeout and setInterval), and HTML5 Web Workers. Your problem is probably somewhere else in your code. ...
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CSS does the width include the padding?

...width: 10em; padding: 2em; border: 1em; } would be 10em wide. In contrast, all standards-fearing browsers default to the "content-box" box model. In this model, the width of an element does not include padding or borders. For example: #foo { width: 10em; padding: 2em; border: 1em; } will actually be...
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PHP Remove elements from associative array

...', 4 => 'Completed', 5 => 'Mark As Spam', ); That would allow you to use your values of key as indexes to access the array... And you'd be able to use functions to search on the values, such as array_search() : $indexCompleted = array_search('Completed', $array); unset($array[$...
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how to concatenate two dictionaries to create a new one in Python? [duplicate]

... Slowest and doesn't work in Python3: concatenate the items and call dict on the resulting list: $ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \ 'd4 = dict(d1.items() + d2.items() + d3.items())' 100000 loops, best of 3: 4.93 usec per loop Fastest: exploit the dict co...
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How to clear gradle cache?

...in your home directory, you will not want to delete the whole folder. Typically, just deleting .gradle/caches is enough to get Gradle to redownload all dependencies. – Bradford2000 Feb 9 '15 at 17:28 ...
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How do I use method overloading in Python?

... It's method overloading not method overriding. And in Python, you do it all in one function: class A: def stackoverflow(self, i='some_default_value'): print 'only method' ob=A() ob.stackoverflow(2) ob.stackoverflow() You can't have two methods with the same name in Python -- ...
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Explanation of JSONB introduced by PostgreSQL

... First, hstore is a contrib module, which only allows you to store key => value pairs, where keys and values can only be texts (however values can be sql NULLs too). Both json & jsonb allows you to store a valid JSON value (defined in its spec). F.ex. these are v...
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Turning off “created by” stamp when generating files in IntelliJ

...nclude Templates in the popup action search dialog. There should be a tab called Includes on which you will find the Java and ActionScript file types, and the text can simply be removed completely if you like. But, in more recent versions of IntelliJ things have got quite a bit easier. The first ti...