大约有 40,000 项符合查询结果（耗时：0.0473秒） [XML]
Firing events on CSS class changes in jQuery
...
Whenever you change a class in your script, you could use a trigger to raise your own event.
$(this).addClass('someClass');
$(mySelector).trigger('cssClassChanged')
....
$(otherSelector).bind('cssClassChanged', data, function(){ do stuff });
but otherwise, n...
How can I do division with variables in a Linux shell?
...will be:
x=20; y=3;
calc $x/$y
or if you prefer, add this as a separate script and make it available in $PATH so you will always have it in your local shell:
#!/bin/bash
calc(){ awk "BEGIN { print $* }"; }
share
...
Peak memory usage of a linux/unix process
...
Here's a one-liner that doesn't require any external scripts or utilities and doesn't require you to start the process via another program like Valgrind or time, so you can use it for any process that's already running:
grep VmPeak /proc/$PID/status
(replace $PID with the PI...
grep exclude multiple strings
...ate arguments). Just imagine constructing that regex programmatically in a script for strings that could contain anything…
– user2394284
Aug 9 '17 at 7:47
...
How to stop event propagation with inline onclick attribute?
... In Firefox, you can have access to a variable event in inline script, but window.event is not available. <div onclick="alert(event);"></div>
– Morgan Cheng
May 19 '11 at 8:37
...
How do I update a Python package?
...de all the outdated packages (that were installed using pip), just run the script bellow,
pip install $(pip list --outdated | awk '{ print $1 }') --upgrade
Here, pip list --outdated will list all the out dated packages and then we pipe it to awk, so it will print only the names.
Then, the $(...) ...
Updating and committing only a file's permissions using git version control
...# git ls-tree HEAD
100644 blob 55c0287d4ef21f15b97eb1f107451b88b479bffe script.sh
As you can see the file has 644 permission (ignoring the 100). We would like to change it to 755:
# git update-index --chmod=+x script.sh
commit the changes
# git commit -m "Changing file permissions"
[master ...
How do you use script variables in psql?
In MS SQL Server, I create my scripts to use customizable variables:
13 Answers
13
...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...k">A link!</a>
<a id="another">Another link!</a>
<script>
$("a.myLink").click( function() { alert( 'Click!' ); } );
$("a#another").addClass( "myLink" );
</script>
After the second line of the script executes, the second link will also have a CSS class of ...
AngularJS access parent scope from child controller
...yScope = $scope.pc.cities;
vm.parentCities = vm.cities;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.20/angular.min.js"></script>
<div ng-app ng-controller="ParentCtrl as pc">
<div ng-controller="ChildCtrl as cc">
<pre>{{cc.pa...