大约有 44,000 项符合查询结果（耗时：0.0450秒） [XML]
Navigation in django
...f to do that, have a look at the following code:
tags.py
@register.simple_tag
def active(request, pattern):
import re
if re.search(pattern, request.path):
return 'active'
return ''
urls.py
urlpatterns += patterns('',
(r'/$', view_home_method, 'home_url_name'),
(r'/se...
How to get an absolute file path in Python
...
Why is that when the Path(__file__) alone (without the resolve method) is used in a module being imported along with a package, gives the absolute path instead of the relative path?
– aderchox
Aug 8 at 8:50
...
How to determine the Boost version on a system?
...
Boost Informational Macros. You need: BOOST_VERSION
share
|
improve this answer
|
follow
|
...
What exactly is nullptr?
...hey have a type ( bool ). nullptr is a pointer literal of type std::nullptr_t, and it's a prvalue (you cannot take the address of it using &).
4.10 about pointer conversion says that a prvalue of type std::nullptr_t is a null pointer constant, and that an integral null pointer constant can be...
Batch Renaming of Files in a Directory
...n-hidden file in the current directory
import os
[os.rename(f, f.replace('_', '-')) for f in os.listdir('.') if not f.startswith('.')]
share
|
improve this answer
|
follow
...
Check if two unordered lists are equal [duplicate]
...hat appear identical but are not evaluating as equal (as I did), check the __hash__ function of those objects to verify that equal objects have equal hashes. Mine did not.
– Paul Wintz
Dec 16 '19 at 12:01
...
Get fragment (value after hash '#') from a URL in php [closed]
...as this value is never sent to the server (hence it won't be available in $_SERVER["REQUEST_URI"] or similar predefined variables). You would need some sort of JavaScript magic on the client side, e.g. to include this value as a POST parameter.
If it's only about parsing a known URL from whatever s...
How to quickly check if folder is empty (.NET)?
...described above. 250 calls in 36ms!
private static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
private struct WIN32_FIND_DATA
{
public uint dwFileAttributes;
public System.Runtime.InteropServices.ComTypes.FILETIME ftC...
What does Ruby have that Python doesn't, and vice versa?
...ound as an object, and overwrite it:
def func(): print "hello"
def another_func(f): f()
another_func(func)
def func2(): print "goodbye"
func = func2
This is a fundamental feature of modern scripting languages. JavaScript and Lua do this, too. Ruby doesn't treat functions this way; naming a fun...
Constantly print Subprocess output while process is running
...example showing a typical use case (thanks to @jfs for helping out):
from __future__ import print_function # Only Python 2.x
import subprocess
def execute(cmd):
popen = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
for stdout_line in iter(popen.stdout.readline, "")...