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Shell - How to find directory of some command?
...g.:
tcsh% where python
/usr/local/bin/python
/usr/bin/python
tcsh% where cd
cd is a shell built-in
/usr/bin/cd
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Phonegap Cordova installation Windows
...h. In my case it is C:\Users\binaryuser\AppData\Roaming\npm\cordova so use cd C:\Users\binaryuser\AppData\Roaming\npm\ and type cordova. There it is, it finally works.
Since the -g key value isn't working you have set the Environment Variables path:
Press Win + Pause|Break or right click on Comput...
How to URL encode a string in Ruby
...
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"
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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...
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...
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...
京东天天果园与“褚橙”从合作演变成打假 - 资讯 - 清泛网 - 专注C/C++及内核技术
...近日，褚橙在京东、天天果园中掀起一阵阵口水仗，上演了“真假之辩”的反转剧情，引发了一场不大不小的“打假”风波。
京东、天天果园与“褚橙”
从“合作”演变成“打假”
事件追溯到11月20日，京东集团CEO刘强东在...
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?
...
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...