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How to return an empty ActiveRecord relation?
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489
There is a now a "correct" mechanism in Rails 4:
>> Model.none
=> #<ActiveRecord...
Python - write() versus writelines() and concatenated strings
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Jab
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answered Sep 11 '12 at 20:36
DGHDGH
9,10...
How to get highcharts dates in the x axis?
...ike 09 for 2009.
%Y: Four digits year, like 2009.
%H: Two digits hours in 24h format, 00 through 23.
%I: Two digits hours in 12h format, 00 through 11.
%l (Lower case L): Hours in 12h format, 1 through 11.
%M: Two digits minutes, 00 through 59.
%p: Upper case AM or PM.
%P: Lower case AM or PM.
%S: T...
Escape regex special characters in a Python string
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pyfuncpyfunc
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Is it considered bad practice to perform HTTP POST without entity body?
...el Miller
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6
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What Xcode keyboard shortcuts do you use regularly? [closed]
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254
I find the shortcuts to open & close various areas of the screen must useful.
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Using member variable in lambda capture list inside a member function
The following code compiles with gcc 4.5.1 but not with VS2010 SP1:
4 Answers
4
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Lock Escalation - What's happening here?
...ck.
– Justin Grant
Mar 29 '13 at 17:46
1
But why is the LOCK_ESCALATION statement after the initi...
vs in Generics
... Before variance in generic interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/c...