大约有 42,000 项符合查询结果（耗时：0.0493秒） [XML]
How to write :hover condition for a:before and a:after?
...r a type selector, universal selector, attribute selector, class selector, ID selector, or pseudo-class.
A pseudo-class is a simple selector. A pseudo-element, however, is not, even though it resembles a simple selector.
However, for user-action pseudo-classes such as :hover1, if you need this effe...
Negation in Python
...e/sounds/blues"])
proc.wait()
For your specific example (as Neil said in the comments), you don't have to use the subprocess module, you can simply use os.mkdir() to get the result you need, with added exception handling goodness.
Example:
blues_sounds_path = "/usr/share/sounds/blues"
if n...
What is the difference between libsqlite3.dylib and libsqlite3.0.dylib?
...
Thanks Jeff - I wasn't sure and didn't want to assume either way.
– earnshavian
Dec 2 '10 at 5:11
5
...
Comparing two NumPy arrays for equality, element-wise
...is an unitary matrix or not H is an unitary matrix, so H x H.T.conj is an identity matrix. But np.array_equal returns False
– Dex
Feb 25 '19 at 11:39
...
Creating a temporary directory in Windows?
...
I hack Path.GetTempFileName() to give me a valid, pseudo-random filepath on disk, then delete the file, and create a directory with the same file path.
This avoids the need for checking if the filepath is available in a while or loop, per Chris' comment on Scott Dorm...
How to abort an interactive rebase if --abort doesn't work?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
AngularJS ng-class if-else expression
... return "ClassB";
else
return "ClassC";
}
I made a fiddle with an example : http://jsfiddle.net/DotDotDot/nMk6M/
share
|
improve this answer
|
follow
...
Sourcemaps off by one line in Chrome, with Ruby on Rails, Webpack, and React JS
... by one line when I use the Chrome devtools debugger.
Webpack is set up inside a Ruby on Rails application to generate a concatenated, unminified JavaScript file composed of a couple dozen modules. Most of those modules are ReactJS components, and are parsed by the jsx loader. The output from We...
Export specific rows from a PostgreSQL table as INSERT SQL script
...utility pg_dump to export to a file:
create table export_table as
select id, name, city
from nyummy.cimory
where city = 'tokyo'
$ pg_dump --table=export_table --data-only --column-inserts my_database > data.sql
--column-inserts will dump as insert commands with column names.
--data-only do...
Event listener for when element becomes visible?
...lanation why there isn't a solution) for most programmers, it's still a valid answer in my humble opinion. If you like better one of the other answers (especially one that was made at a later time, when technology improved and new options became available), I believe that a request to change the cor...