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In Git, how can I write the current commit hash to a file in the same commit

... as soon as you modify any file. However, there're three options: Use a script to increment 'commit id' and include it somewhere. Ugly .gitignore the file you're going to store the hash into. Not very handy In pre-commit, store the previous commit hash :) You don't modify/insert commits in 99.99%...
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Python syntax for “if a or b or c but not all of them”

I have a python script that can receive either zero or three command line arguments. (Either it runs on default behavior or needs all three values specified.) ...
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Remove all the children DOM elements in div

...communicate with the underlying graphics system, which may have DOM nodes (SVG, VML) or not (Silverlight, Flash, Canvas). Removing DOM nodes from DOM does not remove those JavaScript objects, and it does not remove DOM nodes either because JavaScript objects still have references to those DOM nodes....
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What is a word boundary in regex?

... most flavors that support Unicode, \w includes many characters from other scripts. There is a lot of inconsistency about which characters are actually included. Letters and digits from alphabetic scripts and ideographs are generally included. Connector punctuation other than the underscore and n...
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What does the * * CSS selector do?

...... for a HTML file. But CSS may be used to style other kind of documents (SVG notably). – Sylvain Leroux Jun 17 '13 at 18:28 add a comment  |  ...
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How do I toggle an ng-show in AngularJS based on a boolean?

... You are entering book: {{book.bookDetails()}} </div> <script> var mainApp = angular.module("mainApp", []); mainApp.controller('bookController', function($scope) { $scope.book = { name: "", catego...
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How do you clear the SQL Server transaction log?

...r, you should have a job that backs up the log every 15 minutes. Here is a script that will generate timestamped file names based on the current time (but you can also do this with maintenance plans etc., just don't choose any of the shrink options in maintenance plans, they're awful). DECLARE @pat...
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Renaming branches remotely in Git

... you're calling this in an automated way (as a function part of some other script) you might as well not have it do the wrong thing if you can avoid it. – Mysterious Dan Nov 10 '14 at 16:02 ...
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List files in local git repo?

...b 94fb5490a2ed10b2c69a4a567a4fd2e4f706d841 glyphicons-halflings-regular.svg 100644 blob 1413fc609ab6f21774de0cb7e01360095584f65b glyphicons-halflings-regular.ttf 100644 blob 9e612858f802245ddcbf59788a0db942224bab35 glyphicons-halflings-regular.woff 100644 blob 64539b54c3751a6d9adb44c8e3a45b...
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How to calculate date difference in JavaScript?

...kizebear—tested in IE, Firefox and Safari, works fine. It uses basic ECMAScript that I'd expect to work in any browser, what doesn't work for you? – RobG May 17 '13 at 5:27 ...