大约有 43,000 项符合查询结果（耗时：0.0665秒） [XML]
How to test multiple variables against a value?
...g his advice you would now have separate if-statements so that Python will read each statement whether the former were True or False. Such as:
if 0 in {x, y, z}:
mylist.append("c")
if 1 in {x, y, z}:
mylist.append("d")
if 2 in {x, y, z}:
mylist.append("e")
...
This will work, but if y...
Django FileField with upload_to determined at runtime
...
You've probably read the documentation, so here's an easy example to make it make sense:
def content_file_name(instance, filename):
return '/'.join(['content', instance.user.username, filename])
class Content(models.Model):
name = ...
jQuery UI accordion that keeps multiple sections open?
... a
few lines of jQuery instead, something
like this:
jQuery(document).ready(function(){
$('.accordion .head').click(function() {
$(this).next().toggle();
return false;
}).next().hide();
});
Or animated:
jQuery(document).ready(function(){
$('.accordion .head').click(func...
Does JSON syntax allow duplicate keys in an object?
...inted out in the comments: ECMA-262 "ECMAScript® Language Specification", reads:
In the case where there are duplicate name Strings within an object, lexically preceding values for the same key shall be overwritten.
In other words, last-value-wins.
Trying to parse a string with duplicated ...
Using Mockito's generic “any()” method
...(at one point we updated from 1.10.19), just to keep the users (that are already using the mockito-core version 2.1.0 or greater) up to date, the static methods from the above answers should be taken from ArgumentMatchers class:
import static org.mockito.ArgumentMatchers.isA;
import static org.mock...
git: How to diff changed files versus previous versions after a pull?
...ongda If you're sorting by votes (which I thought was default) it should already be at the top.
– Cascabel
Mar 29 '13 at 23:10
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show 1 more...
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...to do C++ and ran into that exact same issue quite a few times. I recently read about Scala having "traits" that to me seem like something in between the "C++" way and the "Java" way of doing things.
– Niels Basjes
Jul 29 '10 at 21:04
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Correct way to try/except using Python requests module?
...
Future comment readers: this was fixed in Requests 2.9 (which bundles urllib3 1.13)
– RazerM
Jul 19 '16 at 8:08
18
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Selecting a row in DataGridView programmatically
...
Beware if your DataGridView is read-only - then SelectedRows.Clear() will not work.
– Derek W
Sep 9 '13 at 13:05
14
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Convert PHP closing tag into comment
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Why use complicated, difficult to read "tricks" to work around the problem?
? is just a quantifier shortcut for convenience, so
Just use the long version of the quantifier {0,1}, means "minimum 0 maximum 1 occurrence":
$string = preg_replace('#<br\s*/{0...