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How to URL encode a string in Ruby
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str = "\x12\x34\x56\x78\x9a\xbc\xde\xf1\x23\x45\x67\x89\xab\xcd\xef\x12\x34\x56\x78\x9a".force_encoding('ASCII-8BIT')
puts CGI.escape str
=> "%124Vx%9A%BC%DE%F1%23Eg%89%AB%CD%EF%124Vx%9A"
share
|...
Compile time string hashing
...c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xab...
Why 0 is true but false is 1 in the shell?
...n of chained shell commands.
Here is an example mkdir deleteme && cd $_ && pwd. Because the shell interprets 0 as true this command conveniently works as expected. If the shell were to interpret 0 as false then you'd have to invert the interpreted exit status for each operation.
In...
Hosting Git Repository in Windows
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#!/bin/bash
echo "Creating main git repo ..."
mkdir -p /git/testapp.git
cd /git/testapp.git
git init --bare
touch git-daemon-export-ok
echo "Creating local repo ..."
cd
mkdir testapp
cd testapp
git init
echo "Creating test file ..."
touch testfile
git add -A
git commit -m 'Test message'
echo "Pus...
How can I setup & run PhantomJS on Ubuntu?
...m installing on Ubuntu server Natty Narwhal.
This is exactly what I did.
cd /usr/local/share
sudo wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-1.9.7-linux-x86_64.tar.bz2
sudo tar xjf phantomjs-1.9.7-linux-x86_64.tar.bz2
sudo ln -s /usr/local/share/phantomjs-1.9.7-linux-x86_64/bin...
Specifying rails version to use when creating a new application
...rails. e.g. to make a new Rails 4.2.9 projects the steps are:
mkdir myapp
cd myapp
echo "source 'https://rubygems.org'" > Gemfile
echo "gem 'rails', '4.2.9'" >> Gemfile
bundle install
bundle exec rails new . --force --skip-bundle
bundle update
...
How to loop over directories in Linux?
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cd /tmp
find . -maxdepth 1 -mindepth 1 -type d -printf '%f\n'
A short explanation:
find finds files (quite obviously)
. is the current directory, which after the cd is /tmp (IMHO this is more flexible than having /tmp di...
How to download a branch with git?
...ject on Github):
$ git clone https://github.com/lukeredpath/LRResty.git
$ cd LRResty
Check what branch you are using at this point (it should be the master branch):
$ git branch
* master
Check out the branch you want, in my case it is called 'arcified':
$ git checkout -b arcified origin/...
zsh compinit: insecure directories
...
This fixed it for me:
$ cd /usr/local/share/zsh
$ sudo chmod -R 755 ./site-functions
Credit: a post on zsh mailing list
EDIT: As pointed out by @biocyberman in the comments. You may need to update the owner of site-functions as well:
$ sudo ch...
How to merge YAML arrays?
...re is nothing in the question stating that the OP wishes to use this in CI/CD. Finally, when this is used in CI/CD, logging only depends on the particular CI/CD used, not on the yaml declaration. So, if anything, the CI/CD that you are referring to is the one doing a bad job. The yaml in this answer...