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How to unsubscribe to a broadcast event in angularJS. How to remove function registered via $on
... from the event.
var deregisterListener = $scope.$on("onViewUpdated", callMe);
deregisterListener (); // this will deregister that listener
This is found in the source code :) at least in 1.0.4. I'll just post the full code since it's short
/**
* @param {string} name Event name to listen on.
...
How to return multiple lines JSX in another return statement in React?
... to think of the tags as function calls (see docs). Then the first one becomes:
{[1,2,3].map(function (n) {
return React.DOM.p(...);
})}
And the second one:
{[1,2,3].map(function (n) {
return (
React.DOM.h3(...)
React.DOM.p(...)
)
})}
It should now be clear that the second snippe...
In JavaScript can I make a “click” event fire programmatically for a file input element?
...sedly IE does allow it, but Mozilla and Opera do not.
When you compose a message in GMail, the 'attach files' feature is implemented one way for IE and any browser that supports this, and then implemented another way for Firefox and those browsers that do not.
I don't know why you cannot do it, b...
Best way to define error codes/strings in Java?
...define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web service. For example, when a SQLException occurs, I might want to do the following:
...
Origin null is not allowed by Access-Control-Allow-Origin
...r similar). Different browsers take different approaches to applying the Same Origin Policy to local files.
My guess is that you're seeing this using Chrome. Chrome's rules for applying the SOP to local files are very tight, it disallows even loading files from the same directory as the document. S...
How can I trigger a JavaScript event click
...
Performing a single click on an HTML element: Simply do element.click(). Most major browsers support this.
To repeat the click more than once: Add an ID to the element to uniquely select it:
<a href="#" target="_blank" id="my-link" onclick="javascript:Test('...
Throwing exceptions from constructors
...er about throwing exceptions from constructors, and thought I would like some feedback.
10 Answers
...
Xcode duplicate line
There is a Duplicate command in the Edit Menu (with a default shortcut of ⌘ D ), but it is (as Halley pointed out) meant for duplication in the Interface Builder part of Xcode.
...
AngularJS - How to use $routeParams in generating the templateUrl?
...lly provide templates to an <ng-view /> . I was thinking of doing something along the lines of this:
8 Answers
...
What is the difference between lower bound and tight bound?
...
Big O is the upper bound, while Omega is the lower bound. Theta requires both Big O and Omega, so that's why it's referred to as a tight bound (it must be both the upper and lower bound).
For example, an algorithm taking Omega(n log n) takes at least n log ...