大约有 42,000 项符合查询结果(耗时:0.0306秒) [XML]
Python loop counter in a for loop [duplicate]
...ted to loop counters, but they were either deferred or rejected ( PEP 212 and PEP 281 ).
4 Answers
...
How to import classes defined in __init__.py
...py
|-- helper.py
`-- settings.py
2 directories, 6 files
The command:
$ python import_submodule.py
Output:
settings
helper
Helper in lib.settings
someobject
Helper in lib.foo.someobject
# ./import_submodule.py
import fnmatch, os
from lib.settings import Values
from lib import Helper
...
How do I determine which iOS SDK I have?
...), especially during betas, the best place to check which version of Xcode and related SDKs you have installed is to use "System Information".
Apple Menu > About This Mac > System Report > Software > Developer
Once there, you'll see version and build numbers for all of the major compon...
Location Manager Error : (KCLErrorDomain error 0)
...
I still had to "Reset Content and Settings" to get the delegate to call didUpdate instead of didFail after setting a default location in the scheme editor. Then it worked fine.
– owenfi
Sep 9 '15 at 21:26
...
C/C++ macro string concatenation
... It's more than a technicality - you can't concatenate L"a" and "b" to get L"ab", but you can concatenate L"a" and L"b" to get L"ab".
– MSalters
Mar 10 '11 at 8:59
...
Java split() method strips empty strings at the end? [duplicate]
...Word + "'"); } } return l; } returns 'a' and ' '. Whereas, if String s = "a a"; then output is just 'a' followed by another 'a' Why is this happening in Java 8?
– sofs1
Feb 1 '19 at 23:06
...
Printing Python version in output
...Léonard's solution is the best. You might want to examine the full string and see if you need it or portions of it.
share
|
improve this answer
|
follow
|
...
BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...银行取钱,然后给你(使用异步IO时,Java将IO读写委托给OS处理,需要将数据缓冲区地址和大小传给OS(银行卡和密码),OS需要支持异步IO操作API);
阻塞 : ATM排队取款,你只能等待(使用阻塞IO时,Java调用会一直阻塞到读写完...
Cross-platform way of getting temp directory in Python
... be the tempfile module.
It has functions to get the temporary directory, and also has some shortcuts to create temporary files and directories in it, either named or unnamed.
Example:
import tempfile
print tempfile.gettempdir() # prints the current temporary directory
f = tempfile.TemporaryFil...
How do you use vim's quickfix feature?
I'm a pretty new Vim user and I've found that its learning curve is quite steep (at least for me). I just installed this vim script for JavaScriptLint error checking, which shows errors in vim's quickfix window once I save a buffer.
...
