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Why is \r a newline for Vim?
From question How to replace a character for a newline in Vim? . You have to use \r when replacing text for a newline, like this
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Eclipse IDE for Java - Full Dark Theme
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Moonrise is the best dark theme I have ever seen for Eclipse!
Just follow the steps on the website and Enjoy!
https://github.com/guari/eclipse-ui-theme
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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
...work - but a few other scenarios will.
Firstly, it will only be supported for interfaces and delegates.
Secondly, it requires the author of the interface/delegate to decorate the type parameters as in (for contravariance) or out (for covariance). The most obvious example is IEnumerable<T> wh...
Git: How to diff two different files in different branches?
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Sidenote: no need for full paths, you can start with ./ for relative paths. It can be handy sometimes.
git diff branch1:./relative/path/to/foo.txt branch2:./relative/path/to/foo-another.txt
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How to compare two dates?
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This works for timezone-aware values as well, if anyone was wondering.
– Mat Gessel
Mar 8 '16 at 1:52
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Backporting Python 3 open(encoding=“utf-8”) to Python 2
I have a Python codebase, built for Python 3, which uses Python 3 style open() with encoding parameter:
6 Answers
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Scala @ operator
...ables one to bind a matched pattern to a variable. Consider the following, for instance:
val o: Option[Int] = Some(2)
You can easily extract the content:
o match {
case Some(x) => println(x)
case None =>
}
But what if you wanted not the content of Some, but the option itself? That wo...
How to update maven repository in Eclipse?
...right-click on your project then Maven > Update Project..., then select Force Update of Snapshots/Releases checkbox then click OK.
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How do I revert master branch to a tag in git?
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You can do
git checkout master
git reset --hard tag_ABC
git push --force origin master
Please note that this will overwrite existing history in the upstream repo and may cause problems for other developers who have this repo checked out.
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Return first match of Ruby regex
I'm looking for a way to perform a regex match on a string in Ruby and have it short-circuit on the first match.
5 Answers
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