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Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
...rn is YES, it sends hitTest:withEvent: messages to its subviews.
it starts from the top-level subview, and continues to other views until a subview
returns a non-nil object, or all subviews receive the message.
If a subview returns a non-nil object in the first time, the first hitTest:withEvent: ret...
Angular - ui-router get previous state
...Scope when the state changes.
You should be able to catch the prior state from that event (from is the state you're leaving):
$rootScope.$on('$stateChangeSuccess', function (ev, to, toParams, from, fromParams) {
//assign the "from" parameter to something
});
...
How to handle AccessViolationException
I am using a COM object (MODI) from within my .net application. The method I am calling throws a System.AccessViolationException, which is intercepted by Visual Studio. The odd thing is that I have wrapped my call in a try catch, which has handlers for AccessViolationException, COMException and ev...
What is a “callback” in C and how are they implemented?
From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story).
9 Answers
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Check whether an array is empty [duplicate]
...)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() construct will always return true if there is at least one element even with "empty" value.
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Can I install the “app store” in an IOS simulator?
... does not run ARM code, ONLY x86 code. Unless you have the raw source code from Apple, you won't see the App Store on the Simulator.
The app you write you will be able to test in the Simulator by running it directly from Xcode even if you don't have a developer account. To test your app on an actua...
Does opacity:0 have exactly the same effect as visibility:hidden
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Here is a compilation of verified information from the various answers.
Each of these CSS properties is unique. In addition to rendering an element not visible, they have the following additional effect(s):
Collapses the space that the element would normally occupy
Re...
Algorithm to generate all possible permutations of a list?
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Basically, for each item from left to right, all the permutations of the remaining items are generated (and each one is added with the current elements). This can be done recursively (or iteratively if you like pain) until the last item is reached at...
Convert a character digit to the corresponding integer in C
...ntage of strtol, of course, is that you may well need to read other things from the same string that come after the number.
– dfeuer
Jul 21 '12 at 21:30
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Python Matplotlib Y-Axis ticks on Right Side of Plot
I have a simple line plot and need to move the y-axis ticks from the (default) left side of the plot to the right side. Any thoughts on how to do this?
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