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How to duplicate virtualenv
...avorite text editor, you'll see something like:
Django==1.3
Fabric==1.0.1
etc...
Now, edit the line that says Django==x.x to say Django==1.3 (or whatever version you want to install in your new virtualenv).
Lastly, activate your new virtualenv, and run:
pip install -r requirements.txt
And pip...
How can you do anything useful without mutable state?
...odies which make programming more efficient, such as first-class functions etc.
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Is there a way to quickly find files in Visual Studio 2010?
...nd it also has a dialog to search the current file for methods,properties, etc. Very nice! Note that the current version only supports VS
Webfonts or Locally loaded fonts?
...s.com: kerning, letterspacing, ligatures, alternate characters, fractions, etc.
FontSpring: None
FontSquirrel: None
Google: None
Typekit: None
Typography.com: small caps, ligatures, alternate characters, alternate number styles, fractions, etc.
Browser support
This mostly comes down to the font f...
How can I return NULL from a generic method in C#?
... is a reference type (or a nullable value type), 0 for int, '\0' for char, etc. (Default values table (C# Reference))
Restrict T to be a reference type with the where T : class constraint and then return null as normal
shar...
SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
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For me, this happened when I edited a blank drivers/etc/hosts file, and added an entry for a local website, but neglected to add 127.0.0.1 localhost
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Check if a div exists with jquery [duplicate]
...queryselectorAll()" caniuse.com/querySelector allows you to use classnames etc, but it won't for older browsers. jQuery abstracts that so you don't need to worry about it (and in fact uses queryselectorAll in the background if available).
– Alex KeySmith
Nov 8 ...
Is Unit Testing worth the effort? [closed]
...'m involved with doesn't Unit Test well (web application user interactions etc.), but even so we're all test infected in this shop, and happiest when we've got our tests tied down. I can't recommend the approach highly enough.
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What is the size of ActionBar in pixels?
...need this value at runtime, use this
final TypedArray styledAttributes = getContext().getTheme().obtainStyledAttributes(
new int[] { android.R.attr.actionBarSize });
mActionBarSize = (int) styledAttributes.getDimension(0, 0);
styledAttributes.recycle();
If you need to understa...
How to select between brackets (or quotes or …) in Vim?
...ed, this works for visual mode selection as well - just use vi), vi}, vi', etc.
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