大约有 831 项符合查询结果（耗时：0.0525秒） [XML]
How do you validate a URL with a regular expression in Python?
...with @Swarf since even urlparse({}) where the input is not even a string succeeds without a visible error
– RubenLaguna
Oct 10 '18 at 12:59
...
CSS media queries: max-width OR max-height
... derived from:
CSS media queries by Mozilla Contributors (licensed under CC-BY-SA 2.5). Some code samples were used with minor alterations to (hopefully) increase clarity of explanation.
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i...
Is a `=default` move constructor equivalent to a member-wise move constructor?
...:
movable::move
nonmovable::copy
http://coliru.stacked-crooked.com/a/420cc6c80ddac407
Update: But if you comment out the line has_nonmovable(has_nonmovable &&) = default;, then copy will be used for both members: http://coliru.stacked-crooked.com/a/171fd0ce335327cd - prints:
movable::co...
How do you calculate the average of a set of circular data? [closed]
...s doesn't make starblue's answer wrong, it's just an exceptional case, as occurs in many geomteric problems.
– SmacL
Jan 29 '09 at 14:31
5
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Is multiplication and division using shift operators in C actually faster?
... to do its job. This is not the case. You actually get better code from gcc -O3 on x86 with return i*10 than from the shift version. As someone who looks at compiler output a lot (see many of my asm / optimization answers), I'm not suprised. There are times when it can help to hand-hold the compi...
How does the compilation/linking process work?
...ompilation
Compilation refers to the processing of source code files (.c, .cc, or
.cpp) and the creation of an 'object' file. This step doesn't create
anything the user can actually run. Instead, the compiler merely
produces the machine language instructions that correspond to the
source code file t...
How to serve an image using nodejs
...d should be used on the first tic or the async method should be used. codr.cc/s/5d0b73d6/js
– generalhenry
Apr 29 '11 at 3:01
1
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Merging: Hg/Git vs. SVN
...erge-history) option to svn log and svn blame to take merge tracking into account.
In Git and Mercurial merge tracking is automatically taken into account when displaying history (log) and blame. In Git you can request to follow first parent only with --first-parent (I guess similar option exists ...
How do you convert a byte array to a hexadecimal string, and vice versa?
... "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CA", "CB", "CC", "CD", "CE", "CF",
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", "D8", "D9", "DA", "DB", "DC", "DD", "DE", "DF",
"E0", "E1", "E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB", "EC", "ED", "EE", ...
JavaScript hashmap equivalent
...r
NameDictionary and
NameDictionaryShape with
pertinent details in objects.cc
and objects-inl.h.
Firefox/Gecko:
JSObject,
NativeObject, and
PlainObject with pertinent details in
jsobj.cpp and
vm/NativeObject.cpp.
Do they handle collisions?
Yes. See above. If you found a collision on unequal strings...