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Git copy file preserving history [duplicate]

... confusing question in Git. Lets say, I have a file dir1/A.txt committed and git preserves a history of commits 7 Answers...
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How to disable Google Chrome auto update?

... On your Chrome browser's address bar, type in 'about:plugins' and hit ENTER. Find the plugin called 'Google Update' and click disable. Restart your browser for the changes to take effect. share | ...
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Jenkins Git Plugin: How to build specific tag?

... git plugin to just build that tag. This has been taking 3 hours of my day and I have conceded defeat to the masters at stack overflow. ...
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Jackson enum Serializing and DeSerializer

I'm using JAVA 1.6 and Jackson 1.9.9 I've got an enum 14 Answers 14 ...
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Setting DIV width and height in JavaScript

... The properties you're using may not work in Firefox, Chrome, and other non-IE browsers. To make this work in all browsers, I also suggest adding the following: document.getElementById('div_register').setAttribute("style","width:500px"); For cross-compatibility, you will still need t...
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Performance of foreach, array_map with lambda and array_map with static function

...2 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version. function lap($func) { $t0 = microtime(1); $numbers = range(0, 1000000); $ret = $func($numbers); $t1 = microtime(1); return array($t1 - $t0, $ret); } function useForeach($numbers) {...
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How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?

...y time, you can use a set of flags to mark when there's a popover visible, and only then hide them. If you set the event listener on the document body, it will trigger when you click the element marked with 'popup-marker'. So you'll have to call stopPropagation() on the event object. And apply the ...
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Comprehensive beginner's virtualenv tutorial? [closed]

I've been hearing the buzz about virtualenv lately, and I'm interested. But all I've heard is a smattering of praise, and don't have a clear understanding of what it is or how to use it. ...
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What is the purpose and use of **kwargs?

...x when calling functions by constructing a dictionary of keyword arguments and passing it to your function: >>> kwargs = {'first_name': 'Bobby', 'last_name': 'Smith'} >>> print_keyword_args(**kwargs) first_name = Bobby last_name = Smith The Python Tutorial contains a good explan...
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Optimal number of threads per core

Let's say I have a 4-core CPU, and I want to run some process in the minimum amount of time. The process is ideally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time. ...