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Regex Named Groups in Java
...Java 7, the constructs to support the named capturing group are:
(?<name>capturing text) to define a named group "name"
\k<name> to backreference a named group "name"
${name} to reference to captured group in Matcher's replacement string
Matcher.group(String name) to return ...
How to get a specific version of a file in Mercurial?
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I think you want hg revert -r<rev> <file> (this will change that file to be as it was at the given revision).
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How can I center a div within another div? [duplicate]
...ing: 5px;
background: blue;
color: white;
}
HTML
<div class="container">
<div class="centered-div">
<b>Enjoy</b>
</div>
</div>
sha...
Move cursor to end of file in vim
...line before doing a, use A;
Append text at the end of line [count] times
<ESC>GA
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Java: convert List to a String
...in a Collection of Strings you can use the new String.join() method:
List<String> list = Arrays.asList("foo", "bar", "baz");
String joined = String.join(" and ", list); // "foo and bar and baz"
If you have a Collection with another type than String you can use the Stream API with the joinin...
Spring Boot Remove Whitelabel Error Page
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Glad you found it useful! Although I haven't tried it, I am pretty sure that you can use the principles found in Spring Boot's BasicErrorController (see github.com/spring-projects/spring-boot/blob/…) to accomplish what you want
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What Product Flavor does Android Studio build by default in build.gradle?
...hichever variant you want to work on. This will impact which variant is built but also the enabled source folders, which will drive completion in code and resources editors.
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Find out a Git branch creator
...metadata like "who created me." See for yourself. Try cat .git/refs/heads/<branch> in your repository.
That written, if you're really into tracking this information in your repository, check out branch descriptions. They allow you to attach arbitrary metadata to branches, locally at least.
A...
Any reason not to start using the HTML 5 doctype? [closed]
...it comes down to using the shortest doctype that triggers standards mode (<!DOCTYPE html>) and using HTML markup that produces the correct result in browsers.
The rest is about conforming, validation and markup prerference.
With that said, using <!DOCTYPE html> now and trying to make y...
Can't specify the 'async' modifier on the 'Main' method of a console app
...nc-compatible.
If you have a machine with the Async CTP, you can use GeneralThreadAffineContext from My Documents\Microsoft Visual Studio Async CTP\Samples(C# Testing) Unit Testing\AsyncTestUtilities. Alternatively, you can use AsyncContext from my Nito.AsyncEx NuGet package.
Here's an example using...