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How to migrate/convert from SVN to Mercurial (hg) on windows

...ver. I also have TortoiseHG installed as well as the CollabNet Subversion Command-Line Client. <Enable Convert Extension w/ Tortoise Hg 2> Many thanks to bgever for pointing out in the comments that with TortoiseHg 2.0, enabling the convert extension is easier than ever. As he says Wit...
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Allowed characters in Linux environment variable names

... across systems conforming to IEEE Std 1003.1-2001, the value shall be composed of characters from the portable character set (except NUL and as indicated below). So names may contain any character except = and NUL, but: Environment variable names used by the utilities in the Shell and...
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Global variables in AngularJS

...ntrol over where those are used and exposed. Using services is a bit more complex, but not that much, here is an example: var myApp = angular.module('myApp',[]); myApp.factory('UserService', function() { return { name : 'anonymous' }; }); and then in a controller: function MyCtrl($sco...
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Rails Observer Alternatives for 4.0

...e extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they were beneficial. ...
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Spring Boot + JPA : Column name annotation ignored

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How to normalize a path in PowerShell?

... You can use a combination of pwd, Join-Path and [System.IO.Path]::GetFullPath to get a fully qualified expanded path. Since cd (Set-Location) doesn't change the process current working directory, simply passing a relative file name to a ....
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How to update a plot in matplotlib?

...) line1, = ax.plot(x, y, 'r-') # Returns a tuple of line objects, thus the comma for phase in np.linspace(0, 10*np.pi, 500): line1.set_ydata(np.sin(x + phase)) fig.canvas.draw() fig.canvas.flush_events() share ...
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What is the difference between compare() and compareTo()?

What is the difference between Java's compare() and compareTo() methods? Do those methods give same answer? 16 Answers ...
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What is the difference between 'my' and 'our' in Perl?

...les in order to use them under use strict without getting typo warnings or compile-time errors. Since Perl 5.6, it has replaced the obsolete use vars, which was only file-scoped, and not lexically scoped as is our. For example, the formal, qualified name for variable $x inside package main is $main...
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What special characters must be escaped in regular expressions?

...regex flavor you're working with. For PCRE, and most other so-called Perl-compatible flavors, escape these outside character classes: .^$*+?()[{\| and these inside character classes: ^-]\ For POSIX extended regexes (ERE), escape these outside character classes (same as PCRE): .^$*+?()[{\| ...