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Remove all special characters with RegExp

... The caret (^) character is the negation of the set [...], gi say global and case-insensitive (the latter is a bit redundant but I wanted to mention it) and the safelist in this example is digits, word characters, underscores (\w) and whitespace (\s). ...
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What's the best way to add a drop shadow to my UIView

...ill observe a certain lag occurring during events like rotating the device and/or similar. It's an important performance tweak. Regarding your issue specifically: The important line is view.layer.masksToBounds = NO. It disables the clipping of the view's layer's sublayers that extend further than t...
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How to customize the background color of a UITableViewCell?

I would like to customize the background (and maybe the border too) of all of the UITableViewCells within my UITableView. So far I have not been able to customize this stuff, so I have a bunch of white background cells which is the default. ...
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Check if a Windows service exists and delete in PowerShell

... More recent versions of PS have Remove-WmiObject, and beware of silent fails for $service.delete() - have added another answer with formatted examples. – Straff May 3 '16 at 23:07 ...
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When is localStorage cleared?

...rs.com/blog/2012/09/10/clearing-browser-data for browser specific cleaning and how to do it. – Julien Kronegg Dec 20 '12 at 7:26 ...
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What is difference between sjlj vs dwarf vs seh?

... I'm using GCC. Everything is great. I can optimize code, it compiles fast and uses not-so-much memory. 2 Answers ...
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What is the difference between Class.this and this in Java

...ence a nonstatic InnerClass will always have a reference of its OuterClass and all the fields and methods of OuterClass is available to the InnerClass. public static void main(String[] args) { OuterClass outer_instance = new OuterClass(); OuterClass.InnerClass inner_instance1 = out...
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Can't install PIL after Mac OS X 10.9

I've just updated my Mac OS to 10.9 and I discovered that some (all?) of my Python modules are not here anymore, especially the Image one. ...
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SVG fill color transparency / alpha?

...attribute; fill-opacity: This attribute takes a decimal number between 0.0 and 1.0, inclusive; where 0.0 is completely transparent. For example: <rect ... fill="#044B94" fill-opacity="0.4"/> Additionally you have the following: stroke-opacity attribute for the stroke opacity for the enti...
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Swift native base class or NSObject

I tested out some isa swizzling with Swift, and found that it only works when NSObject is a super-class (directly or further up), or by using the '@objc' decoration. Otherwise it will follow a static- and vtable-dispatch style, like C++. ...