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#ifdef #ifndef in Java
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@pacerier, I have no idea if this is guaranteed by the JLS, but it's been true for every java compiler I've come across since the 90's, with the possible exception of prior to 1.1.7, and only because I didn't test it then.
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Return all enumerables with yield return at once; without looping through
...ollection must be created per call, returning a collection is a really bad idea.
Most collections can be modified when returned.
The collection is of finite size.
Sequences
Can be enumerated - and that is pretty much all we can say for sure.
A returned sequence itself cannot be modified.
Each ...
Getting the name of the currently executing method
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@shrini1000 the idea is to use this snippet where the information is needed, and not put it in a library routine.
– Thorbjørn Ravn Andersen
Apr 15 '13 at 8:54
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Can I make a user-specific gitignore file?
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For example, you want ignore ~/some/path/.idea folder:
# 1. Add .idea to user specific gitignore file
echo .idea > ~/.gitignore
# 2. Add gitignore file to gitconfig
git config --global core.excludesfile ~/.gitignore
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How do I programmatically determine operating system in Java?
...ll the properties provided by your Java implementations. It'll give you an idea of what you can find out about your Java environment via properties. :-)
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How to exit an if clause
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Ideally you can achieve both, but there are times when you must trade good code for good performance. Those times are rare, especially when you are considering using Python. In other words: don't worry so much about functio...
How to set input type date's default value to today?
...e digits and prefix them with the extra zero...but this should give you an idea.
EDIT: Added check for the extra zero
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How to round up the result of integer division?
...verting ints to doubles just for Math.ceiling and then back again is a bad idea in performance sensitive code.
– Cogwheel
Feb 25 '15 at 1:54
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How do you see recent SVN log entries?
...g spits out an incredibly long, useless list on a command line. I have no idea why that is the default. If I wanted to read (or even could read) 300 entries on the terminal, I wouldn't mind typing svn log --full or something similar.
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How to log out user from web site using BASIC authentication?
...to change the server's authentication method. This article gives some good ideas: http://www.peej.co.uk/articles/http-auth-with-html-forms.html
– Stijn de Witt
Apr 1 '14 at 11:12
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