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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
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UPDATE: This question was the subject of my blog on May 12th 2011. Thanks for the great question!
Suppose you have an interface as you describe, and a hundred classes that implement it. Then you decide to make one of the parameters of one of the interface's methods optional. Are you su...
How to generate a Dockerfile from an image?
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120
How to generate or reverse a Dockerfile from an image?
You can.
alias dfimage="docker run -v /...
Open Graph namespace declaration: HTML with XMLNS or head prefix?
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Matt Beckman
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answered Nov 23 '11 at 11:55
Paul TarjanPaul Tar...
Why can I create a class named “var”?
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101
var is not a keyword according to this list.
it is a contextual keyword, so from the context t...
How to enumerate a range of numbers starting at 1
... using Python 2.5, I want an enumeration like so (starting at 1 instead of 0):
12 Answers
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Jump to matching XML tags in Vim
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answered Feb 1 '09 at 15:31
sykorasykora
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Which is faster: Stack allocation or Heap allocation
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501
Stack allocation is much faster since all it really does is move the stack pointer.
Using memo...
Keystore type: which one to use?
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BrunoBruno
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How to pipe stdout while keeping it on screen ? (and not to a output file)
...y | foo
Reference: The Open Group Base Specifications Issue 7
IEEE Std 1003.1, 2013 Edition, §10.1:
/dev/tty
Associated with the process group of that process, if any. It is
useful for programs or shell procedures that wish to be sure of
writing messages to or reading data from the ...
Rollback a Git merge
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Jul 30 '12 at 13:32
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