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Returning value from called function in a shell script

... In the second example, rather than assigning from $?, it is more idiomatic to write "if testlock; then ..." – William Pursell Jan 5 '12 at 16:25 ...
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Get first key in a (possibly) associative array?

...ay without resetting the internal pointer. Check out the documentation for more info. You can use reset and key: reset($array); $first_key = key($array); It's essentially the same as your initial code, but with a little less overhead, and it's more obvious what is happening. Just remember to ...
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Visual Studio C# statement collapsing

...t powerful one. It supports syntax coloring inside collapsed blocks, it is more fault-tolerant and optimized. If the extension doesn't seem to install after you used a browser to download it, try using the built-in Visual Studio extension manager. ...
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How to see the values of a table variable at debug time in T-SQL?

... And here we are in 2016. No better. The Connect link also doesn't work anymore. – dotNET Apr 27 '16 at 3:50 5 ...
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Make first letter of a string upper case (with maximum performance)

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How to generate a random integer number from within a range

... of the interval into which rand() returns (i.e. is a power of 2). Furthermore, one has no idea whether the moduli of rand() are independent: it's possible that they go 0, 1, 2, ..., which is uniform but not very random. The only assumption it seems reasonable to make is that rand() puts out a Poi...
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How do you keep user.config settings across different assembly versions in .net?

...sion of the application) all their settings are reset the the defaults (or more accurately a new user.config file is created in a folder with a different version number as the name) ...
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Trouble comparing time with RSpec

...ect(@article.updated_at.utc.to_i).to eq(Time.now.to_i) Refer to this for more information about why the times are different share | improve this answer | follow ...
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Prevent users from submitting a form by hitting Enter

... } }); }); In reading the comments on the original post, to make it more usable and allow people to press Enter if they have completed all the fields: function validationFunction() { $('input').each(function() { ... } if(good) { return true; } return false; } $(document)....
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How to convert R Markdown to PDF?

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