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How can I change the color of my prompt in zsh (different from normal text)?
...lor, to being able to change the title bar of your window, and so on.
For more on escape sequences, see the wikipedia entry on ANSI escape codes
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How can I use Homebrew to install both Python 2 and 3 on Mac?
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Are memory leaks ever ok? [closed]
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Ruby: Easiest Way to Filter Hash Keys?
... The counterpart to .select is .reject, if that makes your code more idiomatic.
– Joe Atzberger
Aug 20 '16 at 1:23
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How many threads is too many?
... no way to determine the "optimal" number from this. Indeed you will find more threads cause more resource contention and thus the number of active threads will increase.
– Andrew Grant
Jan 27 '09 at 1:34
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Why should casting be avoided? [closed]
...he answers are really quite different between the three. Discussion of C++ more or less implies discussion of C casts as well, and that gives (more or less) a fourth answer.
Since it's the one you didn't mention explicitly, I'll start with C. C casts have a number of problems. One is that they can ...
Covariance and contravariance real world example
...ult for the methods that take an IEnumerable<Person>, substituting a more derived type for a less derived (more generic) type. Contravariance, counter-intuitively, allows you to use a more generic type, where a more derived type is specified.
See also Covariance and Contravariance in Generi...
Why do some websites add “Slugs” to the end of URLs? [closed]
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The slugs make the URL more user-friendly and you know what to expect when you click a link. Search engines such as Google, rank the pages higher if the searchword is in the URL.
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Convert boolean to int in Java
...case where myBoolean stands for a boolean expression, using parenthesis is more readable.
– rsp
Sep 25 '10 at 12:33
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Regular expression to match a line that doesn't contain a word
... will do that only once, so it is wrapped in a group, and repeated zero or more times: ((?!hede).)*. Finally, the start- and end-of-input are anchored to make sure the entire input is consumed: ^((?!hede).)*$
As you can see, the input "ABhedeCD" will fail because on e3, the regex (?!hede) fails (th...