大约有 46,000 项符合查询结果（耗时：0.0257秒） [XML]
Split views.py in several files
My views.py has become too big and it's hard to find the right view.
10 Answers
10
...
Format date and time in a Windows batch script
...
I ended up with this script:
set hour=%time:~0,2%
if "%hour:~0,1%" == " " set hour=0%hour:~1,1%
echo hour=%hour%
set min=%time:~3,2%
if "%min:~0,1%" == " " set min=0%min:~1,1%
echo min=%min%
set secs=%time:~6,2%
if "%secs:~0,1%" == " " ...
BaseException.message deprecated in Python 2.6
...
Solution - almost no coding needed
Just inherit your exception class from Exception and pass the message as the first parameter to the constructor
Example:
class MyException(Exception):
"""My documentation"""
try:
raise MyException('my detailed description')
ex...
How do you validate a URL with a regular expression in Python?
...e almost anything is a valid URL. There are some punctuation rules for splitting it up. Absent any punctuation, you still have a valid URL.
Check the RFC carefully and see if you can construct an "invalid" URL. The rules are very flexible.
For example ::::: is a valid URL. The path is ":::::...
Determine the type of an object?
...t, dictionary, or something else? I am getting an object back that may be either type and I need to be able to tell the difference.
...
Is errno thread-safe?
...h , this variable is declared as extern int errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ?
...
Best practices for circular shift (rotate) operations in C++
...
See also an earlier version of this answer on another rotate question with some more details about what asm gcc/clang produce for x86.
The most compiler-friendly way to express a rotate in C and C++ that avoids any Undefined Behaviour seems to be John Regehr's implementation. I've adapted it t...
How to do relative imports in Python?
...ve imports use a module's __name__ attribute to determine that module's position in the package hierarchy. If the module's name does not contain any package information (e.g. it is set to '__main__') then relative imports are resolved as if the module were a top level module, regardless of where the...
Get the current script file name
...Just use the PHP magic constant __FILE__ to get the current filename.
But it seems you want the part without .php. So...
basename(__FILE__, '.php');
A more generic file extension remover would look like this...
function chopExtension($filename) {
return pathinfo($filename, PATHINFO_FILENAM...
Python constructor and default value [duplicate]
...t generally do what you want. Instead, try this:
class Node:
def __init__(self, wordList=None, adjacencyList=None):
if wordList is None:
self.wordList = []
else:
self.wordList = wordList
if adjacencyList is None:
self.adjacencyList ...