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What is a stream?
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read several bytes from the stream into an array
seek (move your current position in the stream, so that next time you read you get bytes from the new position)
write one byte
write several bytes from an array into the stream
skip bytes from the stream (this is like read, but you ignore the data. O...
Best practice for nested fragments in Android 4.0, 4.1 (
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Limitations
So nesting fragments inside another fragment is not possible with xml regardless of which version of FragmentManager you use.
So you have to add fragments via code, this might seem like a problem, but in the long run makes your layouts superflexible.
So nesting without using ...
Should I use SVN or Git? [closed]
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SVN is one repo and lots of clients. Git is a repo with lots of client repos, each with a user. It's decentralised to a point where people can track their own edits locally without having to push things to an external server.
SVN is designed to be more central where Git is based on each user havin...
What is the smallest possible valid PDF?
Out of simple curiosity, having seen the smallest GIF , what is the smallest possible valid PDF file?
4 Answers
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Is it a good practice to use try-except-else in Python?
...ent in some of the "look-before-you-leap" constructs. For example, testing os.path.exists results in information that may be out-of-date by the time you use it. Likewise, Queue.full returns information that may be stale. The try-except-else style will produce more reliable code in these cases.
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What are MVP and MVC and what is the difference?
...ilding user interfaces that many tools encourage you are likely to come across three design patterns called Model-View-Controller , Model-View-Presenter and Model-View-ViewModel . My question has three parts to it:
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Is it better to use std::memcpy() or std::copy() in terms to performance?
...o go against the general wisdom here that std::copy will have a slight, almost imperceptible performance loss. I just did a test and found that to be untrue: I did notice a performance difference. However, the winner was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings us...
What is the meaning of the term arena in relation to memory?
...nd don't need to worry about tracking individual deallocations.
Each of those techniques is very specialized and generally only comes in handy if you know exactly what you're doing and why the normal library allocation is not good enough. Note that a good memory allocator will already do lots of ma...
Why aren't variable-length arrays part of the C++ standard?
...ry much in the last few years. When I read this question today I came across some C syntax which I wasn't familiar with.
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javac is not recognized as an internal or external command, operable program or batch file [closed]
...H. Remove old Java paths.
Add the new Java path to PATH.
Edit JAVA_HOME.
Close and re-open console/IDE.
Welcome!
You have encountered one of the most notorious technical issues facing Java beginners: the 'xyz' is not recognized as an internal or external command... error message.
In a nutshell...