大约有 48,000 项符合查询结果(耗时:0.0586秒) [XML]
How to get a substring of text?
I have text with length ~700. How do I get only ~30 of its first characters?
5 Answers
...
Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
I was doing attempting to do some updates to openssl using homebrew and I somehow managed to break everything. I can't do anything now, this is what I get when I try to do bundle install:
...
Extract elements of list at odd positions
So I want to create a list which is a sublist of some existing list.
5 Answers
5
...
C# short/long/int literal format?
In C / C# / etc. you can tell the compiler that a literal number is not what it appears to be (ie., float instead of double , unsigned long instead of int :
...
ViewPager.setOffscreenPageLimit(0) doesn't work as expected
The fragments I use in my ViewPager instance are quite resource intensive, so I'd only like to load one at a time. When I try the following:
...
\d is less efficient than [0-9]
I made a comment yesterday on an answer where someone had used [0123456789] in a regular expression rather than [0-9] or \d . I said it was probably more efficient to use a range or digit specifier than a character set.
...
How to initialize all members of an array to the same value?
I have a large array in C (not C++ if that makes a difference). I want to initialize all members of the same value.
23 ...
Sample settings.xml for maven
How to configure settings.xml in Maven? Also, please share a sample settings.xml .
3 Answers
...
Referring to a file relative to executing script
In a bash script I'm writing, I use source to include the variable defined in a configuration file. The script to be executed is act.sh , while the script to be source d is act.conf.sh , so in act.sh I have:
...
C#: how to get first char of a string?
Can the first char of a string be retrieved by doing the following?
13 Answers
13
...
