大约有 2,945 项符合查询结果（耗时：0.0367秒） [XML]
C++ : why bool is 8 bits long?
.... The same sort of trick is found in most languages.
Updated: Thanks to a excellent discussion, it was brought to my attention that sizeof(char)==1 by definition in C++. Hence, addressing of a "boolean" data type is pretty tied to the smallest unit of addressable memory (reinforces my point).
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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
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riffing off vladr's (and others') excellent research:
create the following two files in the same directory, something in your path, say $HOME/bin:
silence.gdb, containing (from vladr's answer):
p dup2(open("/dev/null",0),1)
p dup2(open("/dev/null",0),2)
d...
Using a constant NSString as the key for NSUserDefaults
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For additional background about this issue, there is an excellent article on Wikipedia explaining the constant syntax with pointers: http://en.wikipedia.org/wiki/Const_correctness#Pointers_and_references
s...
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
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Excellent solution that really should be a non-default configurable option within angular itself.
– Gracie
Nov 6 '15 at 15:18
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What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
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Install package checkinstall for this excellent answer to work.
– quimnuss
Mar 30 '16 at 14:28
2
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Convert SVG image to PNG with PHP
...phael, which is definitely a good solution and worth investigating for its excellent implementation of cross browser vector graphics.
– dmp
Jan 26 '11 at 20:49
add a comment
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ApartmentState for dummies
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Excellent answer! The bug that I resolved was for a thread that I created for a long-running report builder which used WPF controls to build parts of the report, so that makes sense, though I'm not aware that that thread has ...
namedtuple and default values for optional keyword arguments
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Excellent! You can generalize the setting-of-defaults with: Node.__new__.__defaults__= (None,) * len(Node._fields)
– ankostis
Aug 31 '15 at 9:37
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Why do we need to install gulp globally and locally?
...bally if I've already installed it locally?
Several others have provided excellent answers to theses questions in isolation, but I thought it would be beneficial to consolidate the information in a unified answer.
Why do I need to install gulp locally if I've already installed it globally?
The r...
Negative weights using Dijkstra's Algorithm
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To add to your excellent answer: Dijkstra being a greedy algorithm is the reason for its short-sighted choice.
– blubb
Jul 23 '11 at 9:15
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