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Jenkins Git Plugin: How to build specific tag?

... out to be critical. Although it seemed the git repositories were fetching all the remote information by default when I left it blank, the Git plugin would nevertheless completely fail to find my tag. Only when I explicitly specified "get the remote tags" in the Refspec field was the Git plugin able...
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Difference between Key, Primary Key, Unique Key and Index in MySQL

...would use indexes to improve the speed of data retrieval. An index is typically created on columns used in JOIN, WHERE, and ORDER BY clauses. Imagine you have a table called users and you want to search for all the users which have the last name 'Smith'. Without an index, the database would have t...
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moving changed files to another branch for check-in

... you have not made the commit yet, just run git stash. This will save away all of your changes. Switch to the branch you want the changes on and run git stash pop. There are lots of uses for git stash. This is certainly one of the more useful reasons. An example: # work on some code git stash gi...
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What is the difference between Polymer elements and AngularJS directives?

...js is a library that contains several polyfills for various W3C APIs that fall under the Web Components umbrella. These are: Custom Elements HTML Imports <template> Shadow DOM Pointer Events others The left-nav in the documentation (polymer-project.org) has a page for all of these "Platfor...
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Working with time DURATION, not time of day

... cell B2 and drag as far down as the A column goes to apply the formula to all data in col A. Last step, be sure to highlight all of column B and set it to Number format (the application of the formula may have automatically set format to Time). ...
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What is the most frequent concurrency issue you've encountered in Java? [closed]

...are not synchronized this is not guaranteed to work. This mistake is especially devilish as in 99.999% it won't matter in practice as the reader thread will eventually see the change - but we don't know how soon he saw it. s...
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Use of .apply() with 'new' operator. Is this possible?

...CMAScript5's Function.prototype.bind things get pretty clean: function newCall(Cls) { return new (Function.prototype.bind.apply(Cls, arguments)); // or even // return new (Cls.bind.apply(Cls, arguments)); // if you know that Cls.bind has not been overwritten } It can be used as foll...
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Delete fork dependency of a GitHub repository

How can I make GitHub forget or disassociate that my repo was originally a fork of another project? 6 Answers ...
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How do I measure request and response times at once using cURL?

...me="curl -w \"@$HOME/.curl-format.txt\" -o NUL -s " Then you can simply call... curltime wordpress.org Thanks to commenter Pete Doyle! Make a Linux/Mac stand-alone script This script does not require a separate .txt file to contain the formatting. Create a new file, curltime, somewhere in ...
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Get MD5 hash of big files in Python

... @Boris, you can't actually say that BLAKE2 is secure. All you can say is that it hasn't been broken yet. – vy32 Apr 8 at 14:57 ...