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Lars KotthoffLars Kotthoff
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WPF Databinding: How do I access the “parent” data context?
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3 Answers
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How to empty/destroy a session in rails?
...ides.rubyonrails.org/security.html#session-expiry
– m33lky
Feb 24 '12 at 7:14
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How do I compute derivative using Numpy?
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143
You have four options
Finite Differences
Automatic Derivatives
Symbolic Differentiation
Compu...
JavaScript displaying a float to 2 decimal places
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edited Apr 23 '15 at 12:50
answered Jul 2 '10 at 3:25
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Python argparse: How to insert newline in the help text?
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413
Try using RawTextHelpFormatter:
from argparse import RawTextHelpFormatter
parser = ArgumentPars...
Which version of C# am I using
...to know Framework version anyway:
C:\Windows\Microsoft.NET\Framework\v4.0.30319>csc /?
Microsoft (R) Visual C# 2010 Compiler version 4.0.30319.1
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Delete files older than 3 months old in a directory using .NET
...o know (using C#) how I can delete files in a certain directory older than 3 months, but I guess the date period could be flexible.
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How to initialize const member variable in a class?
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edited Jun 12 '17 at 16:30
Rakete1111
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Difference Between Invoke and DynamicInvoke
...alidated. For example:
Func<int,int> twice = x => x * 2;
int i = 3;
int j = twice.Invoke(i);
// or just:
int j = twice(i);
However! If you just know that it is Delegate, it has to resolve the parameters etc manually - this might involve unboxing, etc - a lot of reflection is going on. Fo...