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What is the difference between a HashMap and a TreeMap? [duplicate]

I started learning Java. When would I use a HashMap over a TreeMap? 8 Answers 8 ...
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Regular Expression to reformat a US phone number in Javascript

I'm looking to reformat (replace, not validate - there are many references for validating) a phone number for display in Javascript. Here's an example of som>mem> of the data: ...
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Mismatch Detected for 'Runtim>mem>Library'

...Studio Express 2012 to build all the projects inside (as instructed in readm>mem>), and everything was built successfully. Then I made a test project in som>mem> other folder and added cryptolib as a dependency. After that, I added the include path so I can easily include all the headers. When I tried to co...
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How do I turn a python datetim>mem> into a string, with readable format date?

... The datetim>mem> class has a m>mem>thod strftim>mem>. The Python docs docum>mem>nts the different formats it accepts: Python 2: strftim>mem>() Behavior Python 3: strftim>mem>() Behavior For this specific example, it would look som>mem>thing like: my_datetim>mem>...
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How do you load custom UITableViewCells from Xib files?

The question is simple: How do you load custom UITableViewCell from Xib files? Doing so allows you to use Interface Builder to design your cells. The answer apparently is not simple due to m>mem>mory managm>mem>nt issues. This thread m>mem>ntions the issue and suggests a solution, but is pre NDA-release and...
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How far can m>mem>mory leaks go?

I've run into m>mem>mory leaks many tim>mem>s. Usually when I'm malloc -ing like there's no tomorrow, or dangling FILE * s like dirty laundry. I generally assum>mem> (read: hope desperately) that all m>mem>mory is cleaned up at least when the program terminates. Are there any situations where leaked m>mem>mory won't ...
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How to get UTC tim>mem>stamp in Ruby?

How to get UTC tim>mem>stamp in Ruby? 9 Answers 9 ...
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Regular expression to match DNS hostnam>mem> or IP Address?

...anyone have a regular expression handy that will match any legal DNS hostnam>mem> or IP address? 21 Answers ...
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How do I allow HTTPS for Apache on localhost?

... I've just attempted this - I needed to test som>mem> developm>mem>nt code on my localhost Apache on Windows. This was WAAAY more difficult than it should be. But here are the steps that managed to work after much hairpulling... I found that my Apache install com>mem>s with openss...
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LISTAGG in Oracle to return distinct values

...t distinct the_column from the_table ) t If you need more columns, som>mem>thing like this might be what you are looking for: select col1, listagg(col2, ',') within group (order by col2) from ( select col1, col2, row_number() over (partition by col1, col2 order by col1) as rn...