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What's the difference between event.stopPropagation and event.preventDefault?
...apis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="foo">
<button id="but">button</button>
</div>
stopPropagation
$("#but").click(function (event) {
event.stopPropagation()
})
$("#foo").click(function () {
alert("parent click ev...
Bootstrap: Open Another Modal in Modal
... ordered in your Html markup from lowest to highest.
$(document).on('hidden.bs.modal', function (event) {
if ($('.modal:visible').length) {
$('body').addClass('modal-open');
}
});
UPDATE: When you have stacked modals, all the backdrops appear below the lowermost modal. You c...
Prevent browser from loading a drag-and-dropped file
...is useful to prevent the default browser behavior in cases where a user accidentally drops a file they want to upload outside of the actual file-upload drop-zone, and then wonders why they now see that same file rendered directly in the browser window (assuming a compatible file type like an image o...
How to use __doPostBack()
... an asyncrhonous postback in ASP.NET using __doPostBack() , but I have no idea how to do it. I want to use vanilla JavaScript.
...
Espresso: Thread.sleep( );
...rrect approach will be:
/** Perform action of waiting for a specific view id. */
public static ViewAction waitId(final int viewId, final long millis) {
return new ViewAction() {
@Override
public Matcher<View> getConstraints() {
return isRoot();
}
...
How do I avoid the specification of the username and password at every git push?
..., go to settings and click 'add SSH key'. Copy the contents of your ~/.ssh/id_rsa.pub into the field labeled 'Key'.
If your repository is administered by somebody else, give the administrator your id_rsa.pub.
If your remote repository is administered by your, you can use this command for example:
...
Where and why do I have to put the “template” and “typename” keywords?
... that certain names aren't.
The "typename" keyword
The answer is: We decide how the compiler should parse this. If t::x is a dependent name, then we need to prefix it by typename to tell the compiler to parse it in a certain way. The Standard says at (14.6/2):
A name used in a template declar...
How to get MVC action to return 404
...ttpNotFound();
}
or
if (notWhatIExpected)
{
return HttpNotFound("I did not find message goes here");
}
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How to read XML using XPath in Java
...xml version="1.0" encoding="UTF-8"?>
<Employees>
<Employee id="1">
<age>29</age>
<name>Pankaj</name>
<gender>Male</gender>
<role>Java Developer</role>
</Employee>
<Employee id="2">
...
How to obtain the number of CPUs/cores in Linux from the command line?
...e specific _NPROCESSORS_ONLN and _NPROCESSORS_CONF values are not.
That said, as stated, they work on Linux platforms as well as on macOS; on FreeBSD/PC-BSD, you must omit the leading _.
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