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How to center a subview of UIView
...nd it will always work:
child.center = [parent convertPoint:parent.center fromView:parent.superview];
And for Swift:
child.center = parent.convert(parent.center, from:parent.superview)
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What is a 'Closure'?
...unction as a value. The moment we call this function can be remote in time from the moment the function has been defined (or created). In particular, its wrapping function is no longer running, and its parameters which has been on the call stack are no longer there :P This makes a problem, because t...
How can I index a MATLAB array returned by a function without first assigning it to a local variable
For example, if I want to read the middle value from magic(5) , I can do so like this:
9 Answers
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font-style: italic vs oblique in CSS
...lated version of an italic font, created by slanting the normal version.
From here, we deduce that if an italic version of the font is not available, both italic and oblique behave the same way. Since the W3Schools code snippet does not specify any particular font-family, I believe a default font...
How to get the difference between two arrays of objects in JavaScript
...eturn a.value ===... in your answer? (Nice solution, by the way, +1) Aside from using Array.prototype.some(), I can't really find a more efficient / shorter way of doing this.
– Cerbrus
Feb 24 '14 at 14:08
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What Android tools and methods work best to find memory/resource leaks? [closed]
...he Activity is destroyed, created again and the layouts are “inflated” from the XML consuming the VM memory avaiable for bitmaps.
Bitmaps on the previous activity layout are not properly deallocated by the garbage collector because they have crossed references to their activity. After many expe...
Which CheckedListBox event triggers after a item is checked?
...ic can be performed within the event handler, or something called directly from the event handler. This was not the case for me. Thanks for this awesome yet simple solution.
– Jesse
Feb 10 '17 at 14:54
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jQuery - Detect value change on hidden input field
...ice, if I remove the code, no triggers w/e.!!
– Janx from Venezuela
Aug 13 '13 at 22:02
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To make...
Do try/catch blocks hurt performance when exceptions are not thrown?
...tight loops mate. Example the loop where you read and de-serialize objects from a socket data stream in game server and your trying to squeeze as much as you can. So you MessagePack for object serialization instead of binaryformatter, and use ArrayPool<byte> instead of just creating byte array...
How to implement the --verbose or -v option into a script?
I know the --verbose or -v from several tools and I'd like to implement this into some of my own scripts and tools.
9 A...