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Java Byte Array to String to Byte Array

I'm trying to understand a byte[] to string, string representation of byte[] to byte[] conversion... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client. ...
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Why does a function with no parameters (compared to the actual function definition) compile?

...'m confused as to why it is compiling. There are two points I don't understand. 10 Answers ...
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How do I compile C++ with Clang?

I have installed Clang by using apt-get in Ubuntu, and I can successfully compile C files using it. However, I have no idea how to compile C++ through it. What do I need to do to compile C++? ...
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Installing pip packages to $HOME folder

...This should result in the hg script being installed in $HOME/.local/bin/hg and the rest of the hg package in $HOME/.local/lib/pythonx.y/site-packages/. Note, that the above is true for Python 2.6. There has been a bit of controversy among the Python core developers about what is the appropriate di...
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JFrame in full screen Java

I will be doing a project soon and I will have to use full screen mode in it. 13 Answers ...
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Java: How to convert List to Map

...gue about what would be the optimal way to convert List to Map in Java and if there any specific benefits of doing so. ...
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Finding all possible combinations of numbers to reach a given sum

...])=15 This type of algorithms are very well explained in the following Standford's Abstract Programming lecture - this video is very recommendable to understand how recursion works to generate permutations of solutions. Edit The above as a generator function, making it a bit more useful. Require...
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javascript i++ vs ++i [duplicate]

In javascript I have seen i++ used in many cases, and I understand that it adds one to the preceding value: 8 Answers ...
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How to convert a factor to integer\numeric without loss of information?

...actor: In particular, as.numeric applied to a factor is meaningless, and may happen by implicit coercion. To transform a factor f to approximately its original numeric values, as.numeric(levels(f))[f] is recommended and slightly more efficient than as.numeric(as.character(f)). ...
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What does “Object reference not set to an instance of an object” mean? [duplicate]

I am receiving this error and I'm not sure what it means? 8 Answers 8 ...