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Determine a user's timezone

Is there a standard way for a web server to be able to determine a user's timezone within a web page? 24 Answers ...
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How to read and write excel file

I want to read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it? ...
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“The run destination iOS Device is not valid for running the scheme”

... It was a bug in XCode, I closed and reopened Xcode and it started working. I've noticed this sort of thing many many times now with Xcode with other problems, its very frustrating that the tool is so dodgy. ...
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In Matlab, when is it optimal to use bsxfun?

...ng Using bsxfun, like using accumarray, makes me feel good about my understanding of Matlab. bsxfun will replicate the input arrays along their "singleton dimensions", i.e. the dimensions along which the size of the array is 1, so that they match the size of the corresponding dimension of the othe...
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Why seal a class?

...ealing a class? I cannot fathom how not allowing inheritance can be useful and most likely not the only one fighting these classes. ...
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Bash script to calculate time elapsed

...a script in bash to calculate the time elapsed for the execution of my commands, consider: 10 Answers ...
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Handling Touch Event in UILabel and hooking it up to an IBAction

...rner try the tag property. make sure to use labelTap: instead of labelTap. and use - (void) labelTap:(id)sender;. – thedjaney Jul 28 '14 at 9:43 1 ...
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Why does HTML think “chucknorris” is a color?

How come certain random strings produce colors when entered as background colors in HTML? For example: 9 Answers ...
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Capybara Ambiguity Resolution

... As of Capybara 2.0 don't do this unless you absolutely have to. See @Andrey's answer below and the explanation of Ambiguous Matches in the upgrade guide linked above. – jim Oct 8 '14 at 23:34 ...
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puts vs logger in rails rake tasks

In a rake task if I use puts command then I see the output on console. However I will not see that message in log file when app is deployed on production. ...