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Checking if array is multidimensional or not?

... The short answer is no you can't do it without at least looping implicitly if the 'second dimension' could be anywhere. If it has to be in the first item, you'd just do is_array($arr[0]); But, the most efficient general way I c...
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How to change an element's title attribute using jQuery

I have an form input element and want to change its title attribute. This has to be easy as pie, but for some reason I cannot find how to do this. How is this done, and where and how should I be searching on how to do this? ...
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Remove blank lines with grep

I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system. 14 Answers ...
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How do I get the first n characters of a string without checking the size or going out of bounds?

...f a string in Java without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ? 9 Ans...
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How do I make my GUI behave well when Windows font scaling is greater than 100%

When choosing large font sizes in the Windows control panel (like 125%, or 150%) then there are problems in a VCL application, every time something has been set pixelwise. ...
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How to get the last value of an ArrayList

... Won't work. what if the list is empty, list.size() will return 0. and you'll end up with list.get(-1); – FRR Jan 21 '15 at 19:36 ...
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`date` command on OS X doesn't have ISO 8601 `-I` option?

In a Bash script, I want to print the current datetime in ISO 8601 format (preferably UTC), and it seems that this should be as simple as date -I : ...
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Should I always return IEnumerable instead of IList?

When I'm writing my DAL or other code that returns a set of items, should I always make my return statement: 14 Answers ...
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What is a Shim?

...pts an API, changing the parameters passed, handling the operation itself, or redirecting the operation elsewhere. Shims typically come about when the behaviour of an API changes, thereby causing compatibility issues for older applications that still rely on the older functionality. In these cases, ...
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How to list all Git tags?

In my repository, I have created tags using the following commands. 10 Answers 10 ...