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Write to file, but overwrite it if it exists
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The >> redirection operator will append lines to the end of the specified file, where-as the single greater than > will empty and overwrite the file.
echo "text" > 'Users/Name/Desktop/TheAccount.txt'
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Java and SQLite [closed]
I'm attracted to the neatness that a single file database provides. What driver/connector library is out there to connect and use SQLite with Java.
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Java 8 Streams - collect vs reduce
... vs reduce() ? Does anyone have good, concrete examples of when it's definitely better to go one way or the other?
7 Ans...
Why use Abstract Base Classes in Python?
Because I am used to the old ways of duck typing in Python, I fail to understand the need for ABC (abstract base classes). The help is good on how to use them.
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How to add two strings as if they were numbers? [duplicate]
I have two strings which contain only numbers:
20 Answers
20
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Pimpl idiom vs Pure virtual class interface
I was wondering what would make a programmer to choose either Pimpl idiom or pure virtual class and inheritance.
10 Answers...
How to handle WndProc messages in WPF?
In Windows Forms, I'd just override WndProc , and start handling messages as they came in.
9 Answers
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How can I unit test a GUI?
The calculations in my code are well-tested, but because there is so much GUI code, my overall code coverage is lower than I'd like. Are there any guidelines on unit-testing GUI code? Does it even make sense?
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PHP filesize MB/KB conversion [duplicate]
... This answer is more efficient than the others below. It avoids using the log function or successive division statements to identify the unit.
– Ali Gangji
May 25 '13 at 2:34
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Should I learn C before learning C++? [closed]
I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...