大约有 2,327 项符合查询结果（耗时：0.0112秒） [XML]
What are inline namespaces for?
...oducing a new namespace for std::vector with emplace_back support (which requires C++11) and inlining that one iff __cplusplus == 201103L.
OK, so why do I need a new language feature for this? I can already do the following to have the same effect, no?
namespace std {
namespace pre_cxx_1997 {...
How to check if there's nothing to be committed in the current branch?
...
--quiet (which implies --exit-code) also silences output, for those who only want the exit code.
– phs
Mar 5 '16 at 0:41
...
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
...y number of values from our database. The logical way to go about this in SQL would be to build an "IN" clause. JPQL allows for IN, but it seems to require me to specify every single parameter to IN directly (as in, "in (:in1, :in2, :in3)").
...
Hidden features of Perl?
...l -lwe '*4 = sub { print "yes" }; 4->()'
yes
There's also the "bool" quasi operator, that return 1 for true expressions and the empty string for false:
$ perl -wle 'print !!4'
1
$ perl -wle 'print !!"0 but true"'
1
$ perl -wle 'print !!0'
(empty line)
Other interesting stuff: with use overl...
Convert String to Uri
... to its standards. For example, try to parse: http://www.google.com/search?q=cat|dog. An exception will be thrown for the vertical bar.
urllib makes it easy to convert a string to a java.net.URI. It will pre-process and escape the URL.
assertEquals("http://www.google.com/search?q=cat%7Cdog",
...
Check if two linked lists merge. If so, where?
This question may be old, but I couldn't think of an answer.
26 Answers
26
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Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
...tter when you have const in play. int const * const p; vs int const* const q; (or perhaps the minimal spaces people would prefer int const*const r;?)
– David Stone
Oct 19 '13 at 2:53
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What does cmd /C mean? [closed]
... you should be interested in is the /? part, which should solve most other questions you have with the tool.
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\>cmd /?
Starts a new instance of the Windows XP command interpreter
CMD [/A | /U] [/Q] [/D] [/E:ON | ...
Display text on MouseOver for image in html
...
You can use CSS hover
Link to jsfiddle here: http://jsfiddle.net/ANKwQ/5/
HTML:
<a><img src='https://encrypted-tbn2.google.com/images?q=tbn:ANd9GcQB3a3aouZcIPEF0di4r9uK4c0r9FlFnCasg_P8ISk8tZytippZRQ'></a>
<div>text</div>
CSS:
div {
display: none;
...
Linux/Windows批量删除.svn文件夹(svn delete) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...svn" @echo "%%a\.svn"
@for /r . %%a in (.) do @if exist "%%a\.svn" rd /s /q "%%a\.svn"
@echo completed
@pause
方法二：右键菜单“Delete SVN Folders”删除指定目录下的.svn文件夹，需要写注册表
建立一个文本文件，取名为 svn_del.reg（扩展名由txt改为re...