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What does new self(); mean in PHP?

... the parent class The first situation would look like this (I've removed all non-necessary code, for this example -- you'll have to add it back to get the singleton behavior)* : class MyParentClass { } class MyChildClass extends MyParentClass { public static function getInstance() { ...
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Is Chrome's JavaScript console lazy about evaluating arrays?

...whether it's fixable. It does seem like bad behavior to me. It was especially troubling to me because, in Chrome at least, it occurs when the code resides in scripts that are executed immediately (before the page is loaded), even when the console is open, whenever the page is refreshed. Calling c...
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CSV API for Java [closed]

Can anyone recommend a simple API that will allow me to use read a CSV input file, do some simple transformations, and then write it. ...
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Git: fatal: Pathspec is in submodule

I'm trying to get TravisCI to automatically deploy my Hakyll static site, according to this guide . 5 Answers ...
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How to install therubyracer gem on 10.10 Yosemite?

I don't manage to install therubyracer gem on Yosemite 10.10. 18 Answers 18 ...
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Can iterators be reset in Python?

...ary data needs to be stored). In general, if one iterator uses most or all of the data before another iterator starts, it is faster to use list() instead of tee(). Basically, tee is designed for those situation where two (or more) clones of one iterator, while "getting out of sync" with ea...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

... Update for those using Python3: You can simply use conda install mysqlclient to install the libraries required to use MySQLdb as it currently exists. The following SO question was a helpful clue: Python 3 ImportError: No module named 'ConfigParser' . Installing mysqlclient will install...
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Benchmarking (python vs. c++ using BLAS) and (numpy)

...e python for my program, what could I do to increase the performance when calling BLAS or LAPACK routines? Make sure that numpy uses optimized version of BLAS/LAPACK libraries on your system. share | ...
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How to check whether a script is running under Node.js?

...ly thing commonJS specifies is that A: The modules will be included via a call to the function require and B: The modules exports things via properties on the exports object. Now how that is implement is left to the underlying system. Node.js wraps the module's content in an anonymous function: fun...
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Git - How to use .netrc file on Windows to save user and password

...to 'C:\Users\"username"'. Go that that folder (cd %HOME%) and make a file called '_netrc' Note: Again, for Windows, you need a '_netrc' file, not a '.netrc' file. Its content is quite standard (Replace the <examples> with your values): machine <hostname1> login <login1> password...