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How to check sbt version?
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$ sbt sbtVersion
This prints the sbt version used in your current project, or if it is a multi-module project for each module.
$ sbt 'inspect sbtVersion'
[info] Set current project to jacek (in build file:/Users/jacek/)
[info] Setting: java.la...
How to check if multiple array keys exists
...the original question), it's probably easy enough to just call array_key_exists() twice to check if the keys exists.
if (array_key_exists("story", $arr) && array_key_exists("message", $arr)) {
// Both keys exist.
}
However this obviously doesn't scale up well to many keys. In that sit...
How can I force browsers to print background images in CSS?
This question was asked before but the solution is not applicable in my case. I want to make sure certain background images are printed because they are integral to the page. (They are not images directly in the page because there are several of them being used as CSS sprites.)
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How to remove all line breaks from a string
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This is probably a FAQ. Anyhow, line breaks (better: newlines) can be one of Carriage Return (CR, \r, on older Macs), Line Feed (LF, \n, on Unices incl. Linux) or CR followed by LF (\r\n, on WinDOS). (Contrary to another answe...
Get nth character of a string in Swift programming language
...ut you should only do that if
you plan to keep the substring around. Otherwise, it's more
efficient to keep it a Substring.
It would be great if someone could figure out a good way to merge
these two extensions into one. I tried extending StringProtocol
without success, because the index method doe...
Renaming branches remotely in Git
If there is a repository that I only have git:// access to (and would usually just push+pull), is there a way to rename branches in that repository in the same way that I would do locally with git branch -m ?
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Location of my.cnf file on macOS
I'm trying to follow along this tutorial to enable remote access to MySQL. The problem is, where should my.cnf file be located? I'm using Mac OS X Lion.
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Place a button right aligned
I use this code to right align a button.
11 Answers
11
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C# Linq Group By on multiple columns [duplicate]
Given the two classes above, I would like to use LINQ to create a List from the List, grouped by the School, Friend and FavoriteColor properties. Is this possible with LINQ?
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javascript: recursive anonymous function?
... declaration" statement. In other words:
(function foo() { foo(); })();
is a stack-blowing recursive function. Now, that said, you probably don't may not want to do this in general because there are some weird problems with various implementations of Javascript. (note — that's a fairly old com...