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How persistent is localStorage?
...Cookies" when Time range is "Everything" (via nsICookieManager::removeAll)
https://developer.mozilla.org/en/DOM/Storage
In DOM Storage it is not possible to specify an expiration period for any of your data. All expiration rules are left up to the user. In the case of Mozilla, most of those rules ar...
C# Thread safe fast(est) counter
...nd is completely thread safe:
Interlocked.Increment(ref myNum);
Source: http://msdn.microsoft.com/en-us/library/dd78zt0c.aspx
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How to identify server IP address in PHP
... a third approach by doing something like this:
$external_ip = exec('curl http://ipecho.net/plain; echo');
This has its own flaws (relies on a specific third-party site, and there could be network settings that route outbound connections through a different host or proxy) and like gethostbyname i...
cannot load such file — bundler/setup (LoadError)
...ings I found in Google:
New to Ruby and am having trouble with LOAD_PATH
http://weblog.rubyonrails.org/2009/9/1/gem-packaging-best-practices/
http://guides.rubygems.org/faqs/
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connecting to MySQL from the command line
...
See here http://dev.mysql.com/doc/refman/5.0/en/connecting.html
mysql -u USERNAME -pPASSWORD -h HOSTNAMEORIP DATABASENAME
The options above means:
-u: username
-p: password (**no space between -p and the password text**)
-h: host
la...
What is the maximum depth of the java call stack?
...
It depends on the amount of virtual memory allocated to the stack.
http://www.odi.ch/weblog/posting.php?posting=411
You can tune this with the -Xss VM parameter or with the Thread(ThreadGroup, Runnable, String, long) constructor.
...
How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
...complete controls for ideas.
See this link for the Autocomplete control...http://ajaxcontroltoolkit.codeplex.com/
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Comparing strings by their alphabetical order
...out.println();
}
}
Here is a live demonstration that shows it works: http://ideone.com/Drikp3
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Python, Matplotlib, subplot: How to set the axis range?
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As found in http://www.mofeel.net/582-comp-soft-sys-matlab/54166.aspx
pylab.ylim([0,1000])
Note: The command has to be executed after the plot!
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PHP - Merging two arrays into one array (also Remove Duplicates)
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array_unique(array_merge($array1,$array2), SORT_REGULAR);
http://se2.php.net/manual/en/function.array-unique.php
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