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In where shall I use isset() and !empty()

I read somewhere that the isset() function treats an empty string as TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form. ...
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Getting the last argument passed to a shell script

$1 is the first argument. $@ is all of them. 27 Answers 27 ...
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UIView frame, bounds and center

... Since the question I asked has been seen many times I will provide a detailed answer of it. Feel free to modify it if you want to add more correct content. First a recap on the question: frame, bounds and center and theirs relationships. Frame A view's f...
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How do shift operators work in Java? [duplicate]

...and the shift operators and couldn't get much. When I tried to execute the below code 9 Answers ...
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How do you determine what SQL Tables have an identity column programmatically

...olumns in SQL Server 2005 that have identity columns and their corresponding table in T-SQL. 13 Answers ...
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Check if a number is int or float

... Use isinstance. >>> x = 12 >>> isinstance(x, int) True >>> y = 12.0 >>> isinstance(y, float) True So: >>> if isinstance(x, int): print 'x is a int!' x is a int! _EDIT:_ As pointed ou...
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Using an SSH keyfile with Fabric

How do you configure fabric to connect to remote hosts using SSH keyfiles (for example, Amazon EC2 instances)? 8 Answers ...
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varbinary to string on SQL Server

How to convert a column value from varbinary(max) to varchar in human-readable form? 7 Answers ...
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How to Test Facebook Connect Locally

...ost:xxxx/test.aspx ) So how I can test Facebook locally (i.e How I can change the callback url) ? 10 Answers ...
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How to echo or print an array in PHP?

...o foreach($results['data'] as $result) {     echo $result['type'], '<br>'; } share | improve this answer | follow | ...