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Using getopts to process long and short command line options
...er options.
BSD UNIX implementation of standalone getopt command (which is what MacOS uses). This does not support long options either.
GNU implementation of standalone getopt. GNU getopt(3) (used by the command-line getopt(1) on Linux) supports parsing long options.
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- how to allow only one item selected?
...ill know to allow only a single selection.
Use the tools you have, that's what they're for.
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navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...ou want the user to wait no more than 10 seconds before giving them a clue what is happening, use:
navigator.geolocation.getCurrentPosition(successCallback,errorCallback,{timeout:10000});
Secondly, I have experienced quite different reliability in different contexts. Here at home, I get a callbac...
Assignment in an if statement
...to anyone, I wouldn't strongly advise them not to use it. I'm just showing what's possible.
– Jon Skeet
Aug 18 '11 at 20:16
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Difference between array_push() and $array[] =
...to look up the function reference, find its position in memory and execute whatever code it defines.
Using $arr[] = 'some value'; does not require a function call, and implements the addition straight into the data structure. Thus, when adding a lot of data it is a lot quicker and resource-efficien...
Calculate last day of month in JavaScript
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That seems to work perfectly well. Out of curiosity, what are you using to run the javascript on all these engines? Got everything set-up or some kind of tool?
– neonski
Oct 21 '08 at 17:04
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How do I obtain a Query Execution Plan in SQL Server?
...SHOWPLAN options
This method is very similar to method 1 (in fact this is what SQL Server Management Studio does internally), however I have included it for completeness or if you don't have SQL Server Management Studio available.
Before you run your query, run one of the following statements. Th...
Pros and cons to use Celery vs. RQ [closed]
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Here is what I have found while trying to answer this exact same question. It's probably not comprehensive, and may even be inaccurate on some points.
In short, RQ is designed to be simpler all around. Celery is designed to be more...
Microsoft Web API: How do you do a Server.MapPath?
... = System.Web.Hosting.HostingEnvironment.MapPath("~/SomePath");
See also What is the difference between Server.MapPath and HostingEnvironment.MapPath?
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Why are local variables not initialized in Java?
...protect the SomeObject instance, to make sure it gets cleaned up no matter what else happens. If there are other things that need to run, but they aren't related to whether the SomeObject instance was property allocated, then they should go in another try-finally block, probably one that wraps the o...