大约有 30,000 项符合查询结果（耗时：0.0598秒） [XML]
java: run a function after a specific number of seconds
...e fragment multiple times, you'll have loose threads kicking about with no means of tidying them up.
– skaffman
Feb 13 '10 at 15:51
5
...
Replacing column values in a pandas DataFrame
...'] on a column (the second 'female' in your w['female']['female']) doesn't mean "select rows where the value is 'female'". It means to select rows where the index is 'female', of which there may not be any in your DataFrame.
...
Remove border radius from Select tag in bootstrap 3
...put. Note: appearance is not supported in IE.
Working example: https://jsfiddle.net/gs2q1c7p/
select:not([multiple]) {
-webkit-appearance: none;
-moz-appearance: none;
background-position: right 50%;
background-repeat: no-repeat;
background-image: url(data:image/png;ba...
After submitting a POST form open a new window showing the result
...
Remember to add the attribute id to the form element, otherwise this doesn't work in Safari browser even though the popup blocker is turned off. <form id="popupForm" target="_blank" ...></form>
– Naren
Ju...
Why does PHP 5.2+ disallow abstract static class methods?
...
This answer is vaguely wrong. "still not allowed" just means you'll get a E_STRICT level warning, at least in 5.3+ you're perfectly welcome to create abstract static functions, implement them in extended classes, and then refer to them via the static:: keyword. Obviously the pare...
When is a C++ destructor called?
...the "most vexing parse". (The other more trivial point is that I guess you meant new Foo() with a capital 'F'.)
– Stuart Golodetz
Apr 10 '12 at 0:21
...
set the width of select2 input (through Angular-ui directive)
...
You need to specify the attribute width to resolve in order to preserve element width
$(document).ready(function() {
$("#myselect").select2({ width: 'resolve' });
});
...
How do you print in a Go test using the “testing” package?
...ttp://golang.org/pkg/testing/#pkg-index
fmt.X print statements do work inside tests, but you will find their output is probably not on screen where you expect to find it and, hence, why you should use the logging methods in testing.
If, as in your case, you want to see the logs for tests that are ...
How to update column with null value
...
No special syntax:
CREATE TABLE your_table (some_id int, your_column varchar(100));
INSERT INTO your_table VALUES (1, 'Hello');
UPDATE your_table
SET your_column = NULL
WHERE some_id = 1;
SELECT * FROM your_table WHERE your_column IS NULL;
+---------+-------------+
|...
How to parse JSON in Python?
...ook at simplejson if you need better performance. More recent versions provide optimizations that greatly improve read and writing.
– unode
Oct 14 '11 at 19:11
...