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cleanest way to skip a foreach if array is empty [duplicate]

Not a major problem but I was wondering if there is a cleaner way to do this. It would be good to avoid nesting my code with an unnecessary if statement. If $items is empty php throws an error. ...
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Extending an Object in Javascript

...a bit hard for me to figure out how to extend objects the way I want it to do. 16 Answers ...
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What does `kill -0 $pid` in a shell script do?

Basically, what signal does '0' represent, because here I see SIGNAL numbers starting from 1. 6 Answers ...
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How do I change the Javadocs template generated in Eclipse?

I dislike the default Javadocs generated for me when I create a Class or methods, especially the @author variable, which is the current system username on my windows box. ...
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.NET Global exception handler in console application

...sole application. In asp.net, one can define one in global.asax, and in windows applications /services, one can define as below ...
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Can I browse other people's (Apple) bug reports? [closed]

...f other people have filed a bug before posting, but I can't see any way to do this. I can only see my bugs, and post new bugs, but I can't see any way to browse or search the whole bug system. ...
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Convert a Unicode string to a string in Python (containing extra symbols)

How do you convert a Unicode string (containing extra characters like £ $, etc.) into a Python string? 9 Answers ...
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Passing command line arguments to R CMD BATCH

...gument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather than being interpreted as an argument available to the R script being executed. ...
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selecting unique values from a column

...e record, the DISTINCT is worthless (unless it is an id field, and you can do a second query where id IN that list). Good news, though, if you have multiple duplicate results as a result of a JOIN you can do a GROUP BY and get the full results filtered. – Chadwick Meyer ...
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How to add custom validation to an AngularJS form?

...y adding the required attributes and such. But for some fields I need to do some extra validation. How would I "tap in" to the validation that FormController controls? ...