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Cycles in family tree software

... has many issues, such as incompatibility with same sex relations, incest, etc... Which in real life happens more often than you'd imagine (especially when going back in time to the 1700-1800). We have modeled our family tree to what happens in the real world: Events (for example, births, weddings,...
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Are static class variables possible in Python?

... if it's a subclass. A static method lacks this information, so it cannot call an overridden method, for example. – Seb Oct 2 '12 at 15:58 ...
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How to invoke the super constructor in Python?

In all other languages I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work. ...
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Base64 length calculation?

...ubles because we don't want to use the floating point ops, rounding errors etc. They are just not necessary. For this it is a good idea to remember how to perform the ceiling division: ceil(x / y) in doubles can be written as (x + y - 1) / y (while avoiding negative numbers, but beware of overflow)...
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Insert line after first match using sed

...to escape everything first using ${var//} before, or another sed statement etc. This solution is a little less messy in scripts (that quoting and \n is not easy to read though), when you don't want to put the replacement text for the a command at the start of a line if say, in a function with inden...
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Correct approach to global logging in Golang

...put to stderr or stdout as well as file. Standard log levels (Debug, Info, etc.) as well as freely-configurable multi-level logging. On demand logging of caller info (file, line number, function). Ability to set different log levels for different source files. It is very small, has no external dep...
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Why is String immutable in Java?

...ring in network connections, database connection urls, usernames/passwords etc. If it were mutable, these parameters could be easily changed. Synchronization and concurrency: making String immutable automatically makes them thread safe thereby solving the synchronization issues. Caching: when compi...
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How to create the most compact mapping n → isprime(n) up to a limit N?

Naturally, for bool isprime(number) there would be a data structure I could query. I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant. Just an example of what I am looking for: I could rep...
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Check if $_POST exists

...sts and if it does, print it inside another string, if not, don't print at all. 14 Answers ...
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Where does git config --global get written to?

... it may not be clear what location this corresponds to. But if you look at etc/profile (in C:\Program Files\Git), you'll see: HOME="$HOMEDRIVE$HOMEPATH" Meaning: C:\Users\MyLogin (on Windows 7) That means the file is in C:\Users\MyLogin\.gitconfig for Git in Windows 7. ...