大约有 41,300 项符合查询结果（耗时：0.0517秒） [XML]
How to check whether a string is Base64 encoded or not
... if a string is base64 encoded or not:
^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)?$
In base64 encoding, the character set is [A-Z, a-z, 0-9, and + /]. If the rest length is less than 4, the string is padded with '=' characters.
^([A-Za-z0-9+/]{4})* means the string starts with 0 ...
Python: Check if one dictionary is a subset of another larger dictionary
... think of: d1.viewitems() <= d2.viewitems(). Timeit runs showed over a 3x performance improvement. If not hashable, even using iteritems() instead of items() leads to about a 1.2x improvement. This was done using Python 2.7.
– Chad
Mar 29 '16 at 21:47
...
git: How to diff changed files versus previous versions after a pull?
...
3 Answers
3
Active
...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
...memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environment variables set. So please help with what I need...
jQuery append() vs appendChild()
... |
edited Apr 10 '13 at 13:01
answered Apr 10 '13 at 12:53
...
What's the difference between Sender, From and Return-Path?
...
3 Answers
3
Active
...
How to comment in Vim's config files: “.vimrc”?
...
3 Answers
3
Active
...
Mercurial: Can I rename a branch?
...
|
edited Nov 30 '11 at 17:57
answered Aug 30 '11 at 14:54
...
How find all unused classes in Intellij Idea?
...s, variables etc. Only classes. (it is difficult to find only classes in 3000 result list). How I can do that?
4 Answers
...