大约有 40,000 项符合查询结果(耗时:0.0615秒) [XML]
How do I break out of a loop in Perl?
...nd assuming you were just feeding given some scalar variable... but why do all that work just to use a break, it is (very) bad form, not to mention (blah!)just saying, its "possible" just not a good idea & not what you may think it is
– osirisgothra
Sep 1 '...
How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
... deployed with this application
That URI is for JSTL 1.0, but you're actually using JSTL 1.2 which uses URIs with an additional /jsp path (because JSTL, who invented EL expressions, was since version 1.1 integrated as part of JSP in order to share/reuse the EL logic in plain JSP too).
So, fix the...
Start ssh-agent on login
...a remote Git repo pulling from Bitbucket.com using an SSH alias. I can manually start the ssh-agent on my server but I have to do this every time I login via SSH.
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Static link of shared library function in gcc
How can I link a shared library function statically in gcc?
6 Answers
6
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Declaring an enum within a class
...uct Color
{
enum Type
{
Red, Green, Black
};
Type t_;
Color(Type t) : t_(t) {}
operator Type () const {return t_;}
private:
//prevent automatic conversion for any other built-in types such as bool, int, etc
template<typename T>
operator T () const;
};
...
Which regular expression operator means 'Don't' match this character?
*, ?, + characters all mean match this character. Which character means 'don't' match this? Examples would help.
4 Answers...
sed or awk: delete n lines following a pattern
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how to delete all lines after the pattern is matched ? I am using sed -e '/<!--#content end--></div>/,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance.
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How would you count occurrences of a string (actually a char) within a string?
...nsion methods on the string class. I guess they figured devs wouldn't want all those extension methods to show up on the string class. Probably a wise decision.
– Judah Gabriel Himango
Feb 15 '09 at 23:27
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How do I encode and decode a base64 string?
..., I'll agree that wrapping a deref error is definitely dubious (plus we're all slowly agreeing to the fact that null as a concept is a bit of a hack to begin with), but we can still see some effects otherwise: the parameter name given in the exception might not be correct if left unchecked.
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Accessing MP3 metadata with Python [closed]
... ID3 tag which the other modules I looked at couldn't. You'll have to install using pip or download the tar and execute python setup.py install from the source folder.
Relevant examples from the website are below.
Reading the contents of an mp3 file containing either v1 or v2 tag info:
import...