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Rails: how do I validate that something is a boolean?
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Luca Spiller
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answered Jan 18 '11 at 7:38
Drew Dara-AbramsDre...
iOS 7 status bar back to iOS 6 default style in iPhone app?
...ssed in #4), the UINavigationController will draw your image in the frame (0,20,320,44), leaving 20 points of opaque black space above your custom image. This may confuse you into thinking you are a clever developer who bypassed rule #1, but you are mistaken. The navigation bar is still 64 points ta...
What does PorterDuff.Mode mean in android graphics.What does it do?
...or
Da Destination alpha
Dc Destination color
Where alpha is a value [0..1], and color is substituted once per channel (so use the formula once for each of red, green and blue)
The resulting values are specified as a pair in square braces as follows.
[<alpha-value>,<color-value>]
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Git: How to edit/reword a merge commit's message?
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– Gabriel Devillers
Jan 23 '19 at 17:08
3
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Border length smaller than div width?
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You can use pseudoelements. E.g.
div {
width : 200px;
height : 50px;
position: relative;
z-index : 1;
background: #eee;
}
div:before {
content : "";
position: absolute;
left : 0;
bottom : 0;
height : 1px;
width : 50%; /* or 100...
Using pickle.dump - TypeError: must be str, not bytes
... Clements
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25
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The purpose of Model View Projection Matrix
...mmyTommy
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3
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How to create a new language for use in Visual Studio
...o Language: https://github.com/boo/boo-lang
Boo Syntax Highlighting for VS2010 (VSX add-in): http://vs2010boo.codeplex.com/
Boo Language Studio (syntax highlighting for VS2008): http://boolangstudio.codeplex.com/
The Boo Syntax Highlighting for VS2010 includes some recommended links on its homepag...
TypeError: Illegal Invocation on console.log.apply
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180
It may not work in cases when execution context changed from console to any other object:
Th...
Get the client IP address using PHP [duplicate]
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ShivShiv
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38
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