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How to delete and replace last line in the terminal using bash?
...iously \r is much simpler. Also invisible-island.net/xterm/ctlseqs/ctlseqs.html gives more details than Wikipedia and is from xterm developer.
– jamadagni
Mar 4 '16 at 11:09
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How can I make Flexbox children 100% height of their parent?
...late the percentage height of the child, just like setting height: 100% to html makes it possible to calculate the percentage height of body in CSS 2.1.
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Show which git tag you are on?
...p://git-blame.blogspot.com/2013/06/checking-current-branch-programatically.html
Instead, I used:
git name-rev --tags --name-only $(git rev-parse HEAD)
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Easiest way to copy a single file from host to Vagrant guest?
...rror vagrant scp /vagrant/www/koushik.php ubuntu/trusty64:/usr/share/nginx/html I am trying to copy files into the nginx root directory. It says, The machine with the name 'C' was not found configured for this Vagrant environment. The directory and everything is fine.
– Koushik...
Simplest way to wait some asynchronous tasks complete, in Javascript?
...uhammadUmer Lots of detail at bluebirdjs.com/docs/api/promise.promisifyall.html
– Nate
Mar 21 '16 at 19:17
It's been a...
Can I see changes before I save my file in Vim?
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...as documented at vimdoc.sourceforge.net/htmldoc/diff.html#:DiffOrig. Advantage of this over w !diff % - is that it works over remote sources too (for example: vim sftp://example.com/foo.txt)
– Lekensteyn
Aug 27 '15 at 16:56
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How should I validate an e-mail address?
...EMAIL_ADDRESS
http://developer.android.com/reference/android/util/Patterns.html
So you can use it to validate yourEmailString:
private boolean isValidEmail(String email) {
Pattern pattern = Patterns.EMAIL_ADDRESS;
return pattern.matcher(email).matches();
}
returns true if the email is va...
What is trunk, branch and tag in Subversion? [duplicate]
...f the repository, usually things like "this was released as 1.0".
See the HTML version of "Version Control with Subversion", especially Chapter 4: Branching and Merging or buy it in paper (e.g. from amazon) for an in-depth discussion of the technical details.
As others (e.g. Peter Neubauer below) ...
I forgot the password I entered during postgres installation
...at pg_hba file: http://www.postgresql.org/docs/9.1/static/auth-pg-hba-conf.html
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How to delete a folder with files using Java
...ttp://fahdshariff.blogspot.ru/2011/08/java-7-deleting-directory-by-walking.html)
In JDK 6 one possible way is to use FileUtils.deleteQuietly from Apache Commons which will remove a file, a directory, or a directory with files and sub-directories.
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