大约有 15,000 项符合查询结果（耗时：0.0322秒） [XML]
Asynchronous method call in Python?
...rgs[, kwds[, callback]]])
E.g.:
from multiprocessing import Pool
def f(x):
return x*x
if __name__ == '__main__':
pool = Pool(processes=1) # Start a worker processes.
result = pool.apply_async(f, [10], callback) # Evaluate "f(10)" asynchronously calling callback when fin...
Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
I am trying to support CORS in my Node.js application that uses the Express.js web framework. I have read a Google group discussion about how to handle this, and read a few articles about how CORS works. First, I did this (code is written in CoffeeScript syntax):
...
Why is it common to put CSRF prevention tokens in cookies?
...hout the application in client script for use in both regular forms and AJAX POSTs. This will make sense in a JavaScript heavy application such as one employed by AngularJS (using AngularJS doesn't require that the application will be a single page app, so it would be useful where state needs to flo...
Undefined reference to static class member
Can anyone explain why following code won't compile? At least on g++ 4.2.4.
7 Answers
...
Javascript and regex: split string and keep the separator
...
Use (positive) lookahead so that the regular expression asserts that the special character exists, but does not actually match it:
string.split(/<br \/>(?=&#?[a-zA-Z0-9]+;)/g);
See it in action:
var string = "aaaaaa<br />&dagger; bbbb<br /&...
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
I am getting error Expecting value: line 1 column 1 (char 0) when trying to decode JSON.
16 Answers
...
When to use ' (or quote) in Lisp?
...
Short answer
Bypass the default evaluation rules and do not evaluate the expression (symbol or s-exp), passing it along to the function exactly as typed.
Long Answer: The Default Evaluation Rule
When a regular (I'll come to that later) function is invoked, all arguments passed to it are evaluated...
Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
...ile I am using a third party dll. The application is running in my Windows XP platform. When I deployed the service in Windows Server 2008 64 bit version, I got this error:
...
How can I draw vertical text with CSS cross-browser?
I want to rotate a single word of text by 90 degrees, with cross-browser (>= IE6, >= Firefox 2, any version of Chrome, Safari, or Opera) support. How can this be done?
...
In Scala how do I remove duplicates from a list?
...n't preserve element order. You may want to use a Set implementation that explicitly does preserve order, such as collection.mutable.LinkedHashSet.
share
|
improve this answer
|
...