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MySQL indexes - what are the best practices?
I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
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Git: Find the most recent common ancestor of two branches
How to find the most recent common ancestor of two Git branches?
4 Answers
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Is it possible to create static classes in PHP (like in C#)?
I want to create a static class in PHP and have it behave like it does in C#, so
6 Answers
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writing some characters like '
since the beginning of my programmation, I used some special character like "
3 Answers
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How do I pass a string into subprocess.Popen (using the stdin argument)?
...t to send data to
the process’s stdin, you need to
create the Popen object with
stdin=PIPE. Similarly, to get anything
other than None in the result tuple,
you need to give stdout=PIPE and/or
stderr=PIPE too.
Replacing os.popen*
pipe = os.popen(cmd, 'w', bufsize)
# ==>...
How can I write data in YAML format in a file?
I need to write the below data to yaml file using Python:
2 Answers
2
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Avoid synchronized(this) in Java?
Whenever a question pops up on SO about Java synchronization, some people are very eager to point out that synchronized(this) should be avoided. Instead, they claim, a lock on a private reference is to be preferred.
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Using custom std::set comparator
...am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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Throw keyword in function's signature
What is the technical reason why it is considered bad practice to use the C++ throw keyword in a function signature?
7 An...
What is the memory consumption of an object in Java?
Is the memory space consumed by one object with 100 attributes the same as that of 100 objects, with one attribute each?
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