大约有 13,906 项符合查询结果（耗时：0.0252秒） [XML]
How to use string.replace() in python 3.x
The string.replace() is deprecated on python 3.x. What is the new way of doing this?
8 Answers
...
OS X: equivalent of Linux's wget
How can I do an HTTP GET from a Un*x shell script on a stock OS X system? (installing third-party software is not an option, for this has to run on a lot of different systems which I don't have control on).
...
Python super() raises TypeError
... reason is that super() only operates on new-style classes, which in the 2.x series means extending from object:
>>> class X(object):
def a(self):
print 'a'
>>> class Y(X):
def a(self):
super(Y, self).a()
print 'b'
>>>...
Split a string by spaces — preserving quoted substrings — in Python
...
You want split, from the built-in shlex module.
>>> import shlex
>>> shlex.split('this is "a test"')
['this', 'is', 'a test']
This should do exactly what you want.
sh...
Assign variable in if condition statement, good practice or not? [closed]
...e you try to compare values, but use a single = instead of == or ===. For example, when you see this:
if (value = someFunction()) {
...
}
you don't know if that's what they meant to do, or if they intended to write this:
if (value == someFunction()) {
...
}
If you really want to do the...
Is the C# static constructor thread safe?
...ngleton
{
private static Singleton instance;
// Added a static mutex for synchronising use of instance.
private static System.Threading.Mutex mutex;
private Singleton() { }
static Singleton()
{
instance = new Singleton();
mutex = new System.Threading.Mutex();
...
Is there an equivalent of 'which' on the Windows command line?
...
Windows Server 2003 and later (i.e. anything after Windows XP 32 bit) provide the where.exe program which does some of what which does, though it matches all types of files, not just executable commands. (It does not match built-in shell commands like cd.) It will even accept wildc...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...
Let's get one thing out of the way first. The explanation that yield from g is equivalent to for v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warr...
How do I determine file encoding in OS X?
I'm trying to enter some UTF-8 characters into a LaTeX file in TextMate (which says its default encoding is UTF-8), but LaTeX doesn't seem to understand them.
...
How do I delete a Git branch locally and remotely?
...
1
2
Next
21765
...