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How to create named and latest tag in Docker?
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Here is my bash script
docker build -t ${IMAGE}:${VERSION} .
docker tag ${IMAGE}:${VERSION} ${IMAGE}:latest
You can then remove untagged images if you rebuilt the same version with
docker rmi $(docker images | grep "^<none>" | awk ...
JavaScript: how to change form action attribute value based on selection?
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Simple and easy in javascipt
<script>
document.getElementById("selectsearch").addEventListener("change", function(){
var get_form = document.getElementById("search-form") // get form
get_form.action = '/search/' + this.value; // assign val...
XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
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If you are doing something like writing HTML and Javascript in a code editor on your personal computer, and testing the output in your browser, you will probably get error messages about Cross Origin Requests. Your browser will render HTML and run Javascript, jQuery, angularJs...
Is there a regular expression to detect a valid regular expression?
...upport much more than basic regular expressions.
using this with shell script in the grep command , it shows me some error.. grep: Invalid content of {} . I am making a script that could grep a code base to find all the files that contain regular expressions
This pattern exploits an extension ...
Installing Python 3 on RHEL
...rtualenv using pyvenv:
python3.6 -m venv /tmp/foo
If you use the pyvenv script, you'll get a WARNING:
$ pyvenv-3.6 /tmp/foo
WARNING: the pyenv script is deprecated in favour of `python3.6 -m venv`
Solution 2: IUS Community repositories
The IUS Community provides some up-to-date packages for R...
Git file permissions on Windows
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+1: exactly what I needed to make sure the shell scripts I commit from Windows (where I have core.filemode set to false) actually have the execute bit set.
– tomlogic
Oct 24 '13 at 22:00
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Start ssh-agent on login
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This script worked for me when I put it in my ~/.bashrc file (not my ~/.profile or ~/.bash_profile). The first time I open a local console it prompts for the passphrase, everything works from that point on without further promptin...
Is Python interpreted, or compiled, or both?
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Alright, this means that a python script is first compiled to bytecode and then it is implemented by an interpreter like CPython, Jython or IronPython etc.
– Pankaj Upadhyay
Jul 31 '11 at 13:54
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Stop setInterval
...you acn't clear on this, since this is not a time interval. If you use TypeScript you would got in trouble: No overload matches this call.Overload 1 of 2, '(intervalId: Timeout): void', gave the following error: Argument of type 'this' is not assignable to parameter of type 'Timeout'.
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git pull while not in a git directory
...; git svn rebase); done
The methods shown above are acceptable for scripting but are too cumbersome for quick command line invocations.
With this new option, the above can be done with fewer keystrokes:
git -C ~/foo status
git -C ../.. grep foo
for d in d1 d2 d3; do git -C $...