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How does this site infecting script work?

My Joomla! website has been repeatedly hacked into. Someone, somehow, managed to inject the following rubbish into the key php scripts, but I mean not to talk about configuring Joomla. The site is not visited much (at times I fear I might be the only visitor to that site...) and I don't care much to...
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How do you create a Distinct query in HQL

Is there a way to create a Distinct query in HQL. Either by using the "distinct" keyword or some other method. I am not sure if distinct is a valid keywork for HQL, but I am looking for the HQL equivalent of the SQL keyword "distinct". ...
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?

This is what I've read so far about PDO::ATTR_EMULATE_PREPARES : 7 Answers 7 ...
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List columns with indexes in PostgreSQL

I would like to get the columns that an index is on in PostgreSQL. 23 Answers 23 ...
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how do I initialize a float to its max/min value?

How do I hard code an absolute maximum or minimum value for a float or double? I want to search out the max/min of an array by simply iterating through and catching the largest. ...
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How to filter Android logcat by application? [duplicate]

How can I filter Android logcat output by application? I need this because when I attach a device, I can't find the output I want due to spam from other processes. ...
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How do I insert NULL values using PDO?

I'm using this code and I'm beyond frustration: 9 Answers 9 ...
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Test whether string is a valid integer

I'm trying to do something common enough: Parse user input in a shell script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it ap...
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In Python, how do I convert all of the items in a list to floats?

I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list. 12 Answers...
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Why does Iterable not provide stream() and parallelStream() methods?

I am wondering why the Iterable interface does not provide the stream() and parallelStream() methods. Consider the following class: ...