大约有 43,000 项符合查询结果（耗时：0.0662秒） [XML]
Difference between UTF-8 and UTF-16?
...ke digits, Latin characters with no accents, etc. occupy one byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases.
No null bytes, which allows to use null-terminated strings, this introduces ...
Python __str__ versus __unicode__
...ould implement __str__() versus __unicode__() . I've seen classes override __unicode__() more frequently than __str__() but it doesn't appear to be consistent. Are there specific rules when it is better to implement one versus the other? Is it necessary/good practice to implement both?
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Difference between thread's context class loader and normal classloader
...answered Nov 20 '09 at 16:42
David RousselDavid Roussel
5,11911 gold badge2323 silver badges3232 bronze badges
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How to change Vagrant 'default' machine name?
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I found the multiple options confusing, so I decided to test all of them to see exactly what they do.
I'm using VirtualBox 4.2.16-r86992 and Vagrant 1.3.3.
I created a directory called nametest and ran
vagrant init precise64 http://files.vagrantup.com/precise64.box
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Making 'git log' ignore changes for certain paths
... you're running Git in a Bash shell, use ':!sub' or ":\!sub" instead to avoid bash: ... event not found errors
Note: Git 2.13 (Q2 2017) will add a synonym ^to !
See commit 859b7f1, commit 42ebeb9 (08 Feb 2017) by Linus Torvalds (torvalds).
(Merged by Junio C Hamano -- gitster -- in commit 015fba3,...
What is the difference between print and puts?
... There is another thing ... extend the array class and override the to_s method. puts doesn't use the new to_s for an object of your new class while print does
– kapv89
Oct 28 '12 at 18:30
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How to add NERDTree to your .vimrc
... know why but this does not work for me. I have to call :NERDTreeToggle inside vim to show nerdtree anyway
– hgf
Dec 9 '10 at 15:57
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What does “Auto packing the repository for optimum performance” mean?
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Indeed, this took about 5 minutes for me, but it did finish up. Great answer.
– Joshua Pinter
Mar 2 '12 at 18:24
6
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Using custom std::set comparator
...the type parameter
set<int64_t, lex_compare> s;
If you want to avoid the functor boilerplate code you can also use a function pointer (assuming lex_compare is a function).
set<int64_t, bool(*)(const int64_t& lhs, const int64_t& rhs)> s(&lex_compare);
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memory_get_peak_usage() with “real usage”
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@Niko, Why did you use memory_get_peak_usage instead of memory_get_usage ? Shouldn't we gc_disable() and use memory_get_usage to get a more accurate result?
– Pacerier
Jul 13 '13 at 7:34
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