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Image Greyscale with CSS & re-color on mouse-over?
... are numerous methods of accomplishing this, which I'll detail with a few examples below.
Pure CSS (using only one colored image)
img.grayscale {
filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' ...
How do I Search/Find and Replace in a standard string?
...are messing a bit with memory here with all the calls to "replace" : complexity would be n² if you remove "o" from "ooooooo...o". I guess one can do better, but this solution has the merit of being easy to understand.
– Zonko
Sep 21 '11 at 8:57
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Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
...ere is a fairly concise way to do this:
static readonly string[] SizeSuffixes =
{ "bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
static string SizeSuffix(Int64 value, int decimalPlaces = 1)
{
if (decimalPlaces < 0) { throw new ArgumentOutOfRangeException("deci...
Parallelize Bash script with maximum number of processes
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Depending on what you want to do xargs also can help (here: converting documents with pdf2ps):
cpus=$( ls -d /sys/devices/system/cpu/cpu[[:digit:]]* | wc -w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=...
C# - What does the Assert() method do? Is it still useful?
...rosoft.com/en-us/library/… msdn.microsoft.com/en-us/library/e63efys0.aspx
– Tim Abell
May 11 '11 at 11:37
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How to theme the ENTIRE Xcode IDE to light-on-dark?
On OSX, MacVim and Terminal can both be themed to be light-on-dark.
Xcode 3.2 allow the same customization for its editor using color schemes.
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How to allow remote connection to mysql
...machine and I want to allow remote connections so that I can connect from external source.
15 Answers
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Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
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I am encountering the exact same problem after updating Xcode to 5.1 and news from Apple aren't good. From Xcode 5.1 Release Notes:
The Apple LLVM compiler in Xcode 5.1 treats unrecognized command-line options as errors. This issue has been seen ...
Stop setInterval call in JavaScript
...again after stopping with 'clearInterval()'? If I try to restart it I get 2x the setInterval running.
– Dan
Apr 2 '12 at 15:37
9
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Best database field type for a URL
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Lowest common denominator max URL length among popular web browsers: 2,083 (Internet Explorer)
http://dev.mysql.com/doc/refman/5.0/en/char.html
Values in VARCHAR columns are variable-length strings. The length can be specified as a value from 0 to 2...