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Adding a directory to the PATH environment variable in Windows
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Explain the use of a bit vector for determining if all characters are unique
...or allows writing a little bit less cryptic code instead plus it can store more flags.
For future reference: bit vector is also known as bitSet or bitArray. Here are some links to this data structure for different languages/platforms:
CPP: BitSet
Java: BitSet
C#: BitVector32 and BitArray
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Why are static variables considered evil?
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Git Symlinks in Windows
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@flungo There are more portable ways to print the fourth column than using GNU awk. For example: git ls-files -s | grep '^12' | cut -f2 (second tab-delimited column; other columns are space-delimited)
– Zenexer
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How do I loop through a date range?
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Java optional parameters
...n varargs or explain the serious disadvantage caused by the possibility of more than one return value.
– Andreas Vogl
Dec 26 '19 at 11:05
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Are Databases and Functional Programming at odds?
... just for fun, I thought I'd mention datalog which attempts to be a more stateless database. it records all actions, such as "user likes post 1233." These actions resolve to the true state of the database. The key is that queries are just facts rather than mutation...
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Difference between static class and singleton pattern?
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Guards vs. if-then-else vs. cases in Haskell
...l of a function, and this should generally be preferred, since you can add more cases more easily then:
abs n
| n < 0 = -n
| otherwise = n
case..of is for when you have multiple code paths, and every code path is guided by the
structure of a value, i.e. via pattern matching. You very...