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The smallest difference between 2 Angles
...his gives a signed angle for any angles:
a = targetA - sourceA
a = (a + 180) % 360 - 180
Beware in many languages the modulo operation returns a value with the same sign as the dividend (like C, C++, C#, JavaScript, full list here). This requires a custom mod function like so:
mod = (a, n) ->...
How to get first character of a string in SQL?
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edited Dec 30 '12 at 9:40
Mahmoud Gamal
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How to convert a string to lower case in Bash?
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20 Answers
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How to make Twitter Bootstrap menu dropdown on hover rather than click
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I created a pure on hover dropdown menu based on the latest (v2.0.2) Bootstrap framework that has support for multiple submenus and thought I'd post it for future users:
body {
padding-top: 60px;
padding-bottom: 40px;
}
.sidebar-nav {
padding: 9px 0;
}
.dropdown-menu...
Access lapply index names inside FUN
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edited Mar 30 '12 at 21:50
answered Mar 30 '12 at 20:47
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Difference between GIT and CVS
...ad-only access is guest account for 'pserver' protocol on CVS_AUTH_PORT (2401), usually called "anonymous" and with empty password. Credentials are stored by default in $HOME/.cvspass file, so you have to provide it only once; still, this is a bit of barrier (you have to know name of guest account, ...
Insert spaces between words on a camel-cased token [duplicate]
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answered Apr 26 '11 at 21:03
magmamagma
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Simple example of threading in C++
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More information about std::thread here
On GCC, compile with -std=c++0x -pthread.
This should work for any operating-system, granted your compiler supports this (C++11) feature.
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Getting full URL of action in ASP.NET MVC [duplicate]
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answered Jan 5 '10 at 10:37
PaddyPaddy
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How to match “any character” in regular expression?
...can. That should work.
. = any char
\. = the actual dot character
.? = .{0,1} = match any char zero or one times
.* = .{0,} = match any char zero or more times
.+ = .{1,} = match any char one or more times
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