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How to do ssh with a timeout in a script?
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ssh -o ConnectTimeout=10 <hostName>
Where 10 is time in seconds. This Timeout applies only to the creation of the connection.
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im...
How to write an inline IF statement in JavaScript?
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Mr.Web
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answered Apr 22 '12 at 17:40
MattWMattW
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What is the fastest way to compute sin and cos together?
...s yet another example (with gcc): http://www.allegro.cc/forums/thread/588470
Hope one of them helps.
(I didn't use this instruction myself, sorry.)
As they are supported on processor level, I expect them to be way much faster than table lookups.
Edit:
Wikipedia suggests that FSINCOS was added at ...
Timer function to provide time in nano seconds using C++
...ar issues (p4 dual, p4 ht,
core2 dual, core2 quad, phenom quad).
EDIT 2013/07/16:
It looks like there is some controversy on the efficacy of QPC under certain circumstances as stated in http://msdn.microsoft.com/en-us/library/windows/desktop/ee417693(v=vs.85).aspx
...While QueryPerformanceC...
How to get the last value of an ArrayList
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20 Answers
20
Active
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Which is better in python, del or delattr?
...second. del foo.bar compiles to two bytecode instructions:
2 0 LOAD_FAST 0 (foo)
3 DELETE_ATTR 0 (bar)
whereas delattr(foo, "bar") takes five:
2 0 LOAD_GLOBAL 0 (delattr)
3 LOAD_FAST 0 (f...
How does Python manage int and long?
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edited Oct 31 '19 at 7:08
Cristian Ciupitu
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an...
HTML5 dragleave fired when hovering a child element
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350
You just need to keep a reference counter, increment it when you get a dragenter, decrement when...
Check if PHP session has already started
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Recommended way for versions of PHP >= 5.4.0 , PHP 7
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
Reference: http://www.php.net/manual/en/function.session-status.php
For versions of PHP < 5.4.0
if(session_id() == '') {
session_start()...
How to get Vim to highlight non-ascii characters?
...lsearch enabled) all other characters lying outside the ASCII range:
/[^\x00-\x7F]
This will do a negative match (via [^]) for characters between ASCII 0x00 and ASCII 0x7F (0-127), and appears to work in my simple test. For extended ASCII, of course, extend the range up to \xFF instead of \x7F us...