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Why does Python code use len() function instead of a length method?
... len(..)
– alternative
Nov 7 '11 at 21:13
41
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In Django, how do I check if a user is in a certain group?
...f .count()
– Lie Ryan
Jul 19 '12 at 21:16
3
The question is about query the User model for the gr...
How can I force users to access my page over HTTPS instead of HTTP?
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21 Answers
21
Active
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Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...发现 ls 卡住了。
通过下面的命令可以看到 ls 卡在了 vfs_fstatat 调用上，它会给 FUSE 设备发送 getattr 请求，在等待回应。而 JuiceFS 客户端进程已经被我们停掉了，所以它就卡住了：
$ cat /proc/`pgrep ls`/stack
[<ffffffff813277c7>] request_w...
How to Free Inode Usage?
...mon's answer.
– alxndr
Dec 5 '12 at 21:52
1
@alxndr, that's why it's often a good idea to keep yo...
if A vs if A is not None:
...
The statement
if A:
will call A.__nonzero__() (see Special method names documentation) and use the return value of that function. Here's the summary:
object.__nonzero__(self)
Called to implement truth value testing and the built-in operation bool()...
How to keep a Python script output window open?
...w.
Add code to wait at the end of your script. For Python2, adding ...
raw_input()
... at the end of the script makes it wait for the Enter key. That method is annoying because you have to modify the script, and have to remember removing it when you're done. Specially annoying when testing other ...
SQL Server Regular expressions in T-SQL
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If anybody is interested in using regex with CLR here is a solution. The function below (C# .ne...
How to call a stored procedure from Java and JPA
...scal ThiventPascal Thivent
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Rebase a single Git commit
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answered Jan 31 '13 at 21:46
tewetewe
2,25333 gold badges1919 silver badges1818 bronze badges
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