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mmap() vs. reading blocks
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213
I was trying to find the final word on mmap / read performance on Linux and I came across a ni...
In Rails - is there a rails method to convert newlines to ?
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linesarefuzzy
1,4021414 silver badges1616 bronze badges
answered Mar 4 '09 at 17:48
Daniel Von FangeDaniel Von Fange
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Converting RGB to grayscale/intensity
...lightness called L* from RGB,
first divide R G B by 255, and compute
Y = .2126 * R^gamma + .7152 * G^gamma + .0722 * B^gamma
This is Y in XYZ color space; it is a measure of color "luminance".
(The real formulas are not exactly x^gamma, but close;
stick with x^gamma for a first pass.)
Finally,
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How to escape braces (curly brackets) in a format string in .NET
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211
Yes to output { in string.Format you have to escape it like this {{
So this
String val = "1,2,...
How do you change Background for a Button MouseOver in WPF?
...s to 0.
– Chuck Savage
Jun 2 '17 at 21:49
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show 1 more comment
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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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213
Do it like this...
if (!Array.prototype.indexOf) {
}
As recommended compatibility by MDC.
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C语言之父辞世引发“分号”悼念 - 创意 - 清泛网 - 专注C/C++及内核技术
C语言之父辞世引发“分号”悼念在众多的国际互动论坛上，计算机爱好者们以特有的方式纪念这位编程语言的重要奠基人。许多网友的发帖中没有片言只字，仅仅留下一个分号;。...在众多的国际互动论坛上，计算机爱好者们以...
How to avoid using Select in Excel VBA
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TylerH
18.1k1212 gold badges6161 silver badges8080 bronze badges
answered May 23 '12 at 10:23
chris neilsenchris n...
Bad value X-UA-Compatible for attribute http-equiv on element meta
...how to patch the validator to support X-UA-Compatible. stackoverflow.com/a/21048010/1006963
– darcyparker
Jan 10 '14 at 15:24
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Where can I learn jQuery? Is it worth it?
...Action-Bear-Bibeault/dp/1933988355/ref=sr_1_1?ie=UTF8&s=books&qid=1219716122&sr=1-1 (I bought it used at Amazon for about $22). It has been a big help into bootstrapping me into jQuery. The documentation at jquery.com are also very helpful.
A place where jQuery falls a little flat is wi...