大约有 13,916 项符合查询结果（耗时：0.0225秒） [XML]
Why do you have to call .items() when iterating over a dictionary in Python?
...
For every python container C, the expectation is that
for item in C:
assert item in C
will pass just fine -- wouldn't you find it astonishing if one sense of in (the loop clause) had a completely different meaning from the other (the presence check)? I...
Why is (object)0 == (object)0 different from ((object)0).Equals((object)0)?
Why are the following expressions different?
7 Answers
7
...
PostgreSQL: Which Datatype should be used for Currency?
...
@NikolayArhipov good point, so the max is actually scale - precision
– Konrad
Sep 11 '18 at 9:20
1
...
Cost of exception handlers in Python
...suggested replacing a (very cheap) if statement in Python code with a try/except block to improve performance.
3 Answers
...
Python requests - print entire http request (raw)?
...ded the PreparedRequest object. As per the documentation "it contains the exact bytes that will be sent to the server".
One can use this to pretty print a request, like so:
import requests
req = requests.Request('POST','http://stackoverflow.com',headers={'X-Custom':'Test'},data='a=1&b=2')
pre...
Is there a way to access an iteration-counter in Java's for-each loop?
... a collection at all, and may in fact be something not at all based on indexes (such as a linked list).
share
|
improve this answer
|
follow
|
...
PHP function to make slug (URL string)
...ead of a lengthy replace, try this one:
public static function slugify($text)
{
// replace non letter or digits by -
$text = preg_replace('~[^\pL\d]+~u', '-', $text);
// transliterate
$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
// remove unwanted characters
$text = preg_repla...
Should I use an exception specifier in C++?
In C++, you can specify that a function may or may not throw an exception by using an exception specifier. For example:
14 ...
Clear form field after select for jQuery UI Autocomplete
...
It did fix it. I tried to accept, but it told me I couldn't for 7 more minutes. Accepted. Thanks.
– Jon F Hancock
Apr 1 '10 at 16:42
...