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What is a good Java library to zip/unzip files? [closed]

I looked at the default Zip library that comes with the JDK and the Apache compression libs and I am unhappy with them for 3 reasons: ...
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Python assigning multiple variables to same value? list behavior

I tried to use multiple assignment as show below to initialize variables, but I got confused by the behavior, I expect to reassign the values list separately, I mean b[0] and c[0] equal 0 as before. ...
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Why does sun.misc.Unsafe exist, and how can it be used in the real world?

I came across the sun.misc.Unsafe package the other day and was amazed at what it could do. 16 Answers ...
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How do I create a custom Error in JavaScript?

For some reason it looks like constructor delegation doesn't work in the following snippet: 23 Answers ...
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How are msys, msys2, and msysgit related to each other?

I've been searching around, but I can't find a thorough description of what's going on with these 3 versions of MSYS. (It's entirely possible I just don't know what to look for.) I do understand that MSYS is a minimal port of Linux tools to support development using MinGW, but I'm not clear on the r...
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How do I do a case-insensitive string comparison?

How can I do case insensitive string comparison in Python? 9 Answers 9 ...
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Common elements comparison between 2 lists

Got that so far, but can't seem to get it to work! 13 Answers 13 ...
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting

I have a set of data and I want to compare which line describes it best (polynomials of different orders, exponential or logarithmic). ...
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Generating v5 UUID. What is name and namespace?

I've read the man page, but I do not undestand what name and namespace are for. 3 Answers ...