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How to properly use unit-testing's assertRaises() with NoneType objects? [duplicate]
...manager and do:
with self.assertRaises(TypeError):
self.testListNone[:1]
If you are using python2.6 another way beside the one given until now is to use unittest2 which is a back port of unittest new feature to python2.6, and you can make it work using the code above.
N.B: I'm a big fan of t...
Using a dispatch_once singleton model in Swift
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tl;dr: Use the class constant approach if you are using Swift 1.2 or above and the nested struc...
What's the difference between using INDEX vs KEY in MySQL?
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edited Apr 4 '13 at 8:15
cmbuckley
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a...
Best way to work with transactions in MS SQL Server Management Studio
...ollowing link for more details.
http://msdn.microsoft.com/en-us/library/ms175976.aspx
Hope this helps but please let me know if you need more details.
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Comparing Timer with DispatcherTimer
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111
Windows.Forms.Timer uses the windows forms message loop to process timer events. It should be ...
Rails 3 check if attribute changed
...umentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
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As said before, @Column(unique = true) is a shortcut to UniqueConstraint when it is only a sin...
用户界面（UI）组件 · App Inventor 2 中文网
...齐
表示屏幕内容如何水平对齐的数字，含义如下：
1 （左对齐）
2 （右对齐）
3 （水平居中）
垂直对齐
表示屏幕内容如何垂直对齐的数字，含义如下：
1 （顶部对齐）
2 （垂直居中）
3 （底部对齐...
Effect of NOLOCK hint in SELECT statements
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1) Yes, a select with NOLOCK will complete faster than a normal select.
2) Yes, a select with NOLOCK will allow other queries against the effected table to complete faster than a normal select.
Why would this be?
NOLOCK t...