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Should CSS always preceed Javascript?

...ownload each time a page is loaded. To simulate reality, I included jQuery and the H5BP CSS (so there's a decent amount of script/CSS to parse) Set up two pages - one with CSS before script, one with CSS after script. Recorded how long it took for the external script in the <head> to execute R...
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How to discard local commits in Git?

I'd been working on something, and decided it was completely screwed...after having committed some of it. So I tried the following sequence: ...
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What goes into your .gitignore if you're using CocoaPods?

I've been doing iOS development for a couple of months now and just learned of the promising CocoaPods library for dependency management. ...
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Emulator error: This AVD's configuration is missing a kernel file

This problem was discovered when I tried to run the Android emulator in Eclipse. Can't figure out what happened. I searched online for the solution, but it seemed to be vague and I don't understand clearly. I was following the steps to install the AVD according to the sites and I can't figure out w...
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What is PostgreSQL explain telling me exactly?

...content: "• EXPLAIN works on any DML not just SELECT (ie UPDATE, DELETE, and INSERT)". My biggest misunderstanding is what "startup" time means, and that's not explained anywhere in these ~30 slides. – Mark E. Haase Feb 19 '16 at 15:51 ...
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Difference between setUp() and setUpBeforeClass()

When unit testing with JUnit, there are two similar methods, setUp() and setUpBeforeClass() . What is the difference between these methods? Also, what is the difference between tearDown() and tearDownAfterClass() ? ...
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How to take column-slices of dataframe in pandas

...achine learning data from a CSV file. The first 2 columns are observations and the remaining columns are features. 10 Answe...
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How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app

...e Microsoft.Web.Optimization package is now obsolete. With ASP.NET (MVC) 4 and higher you should install the Microsoft ASP.NET Web Optimization Framework: Install the package from nuget: Install-Package Microsoft.AspNet.Web.Optimization Create and configure bundle(s) in App_Start\BundleConfig.cs...
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Setting variable to NULL after free

...dangling pointer is accessed after it is freed, you may read or overwrite random memory. If a null pointer is accessed, you get an immediate crash on most systems, telling you right away what the error is. For local variables, it may be a little bit pointless if it is "obvious" that the pointer isn...
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What __init__ and self do on Python?

I'm learning the Python programming language and I've came across something I don't fully understand. 18 Answers ...