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how to solve “ruby installation is missing psych” error?
...http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz. Open the tarball and cd into the resulting folder. Then:
./configure --prefix=/usr/local
make
sudo make install
You are now ready to build ruby. Download ruby from http://ftp.ruby-lang.org/pub/ruby/. Open the tarball and cd into the resulting ...
bower command not found windows
...add in a new library that I wanted to use (in my case angular-sanitize)
I CD to the location of my project
cd myProjectPath
Then to run bower, I actually used npm install:
npm install
This seems to to run bower as a node package, which in turn scans bower.json and installs any missing bower p...
What is the difference between __dirname and ./ in node.js?
..."."));
console.log("__dirname = %s", path.resolve(__dirname));
and you do
cd /dir1/dir2
node pathtest.js
you get
. = /dir1/dir2
__dirname = /dir1/dir2
Your working directory is /dir1/dir2 so that's what . resolves to. Since pathtest.js is located in /dir1/dir2 that's what __dirname resolves to as...
On EC2: sudo node command not found, but node without sudo is ok
...mlinks, or require root:
$ git clone https://github.com/joyent/node.git
$ cd node
$ mkdir ~/opt
$ export PREFIX=~/opt; ./configure
$ make
$ make install
$ echo 'export PATH=~/opt/bin:${PATH}' >> ~/.bashrc
Then I did:
$ git clone https://github.com/isaacs/npm.git
$ cd npm
$ make install
T...
Eclipse add Tomcat 7 blank server name
...x it either.
This is what worked for me:
run the following in terminal:
cd ~/workspace/.metadata/.plugins/org.eclipse.core.runtime/.settings/
rm org.eclipse.jst.server.tomcat.core.prefs
rm org.eclipse.wst.server.core.prefs
cd /usr/share/tomcat7
sudo service tomcat7 stop
sudo update-rc.d t...
Extract source code from .jar file
...r linux box where java works (if u like the terminal way of doing things)
cd ~
mkdir decompiled_code && cd decompiled_code
wget https://bitbucket.org/mstrobel/procyon/downloads/procyon-decompiler-0.5.36.jar
java -jar procyon-decompiler-0.5.36.jar /Path/to/your/jar -o .
NOTE : as @Richard ...
Sound alarm when code finishes
...u may need to do the following (from QO's comment):
in a terminal, type 'cd /etc/modprobe.d' then 'gksudo gedit blacklist.conf'
comment the line that says 'blacklist pcspkr', then reboot
check also that the terminal preferences has the 'Terminal Bell' checked.
...
Can I use require(“path”).join to safely concatenate urls?
...uire('url-join');
var fullUrl = urljoin('http://www.google.com', 'a', '/b/cd', '?foo=123');
console.log(fullUrl);
Prints:
'http://www.google.com/a/b/cd?foo=123'
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...
Recursively remove files
...
cd /var/www/html && find . -name '.DS_Store' -print0 | xargs -0 rm
cd /var/www/html && find . -name '._*' -print0 | xargs -0 rm
shar...
Tomcat: How to find out running tomcat version
...
Though this is not recent, I thought, my answer can still help others:
cd tomcat/lib
java -cp catalina.jar org.apache.catalina.util.ServerInfo
and that's it.
Server version: Apache Tomcat/7.0.30
Server built: May 23 2013 02:54:10
Server number: 7.0.30.0
OS Name: Linux
OS Version: ...