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cat $FILE | sort --random-sort | head -n 1
# alternatively
rl -c 1 -n src/main/resources/and-feb10.csv

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OPS

• http://www.binarytides.com/linux-commands-hardware-info/

DEV

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• column: create columns from text input
• tr: translate/substitute/delete input
• join: like a database join but for text
• comm: file comparison like a db join
• paste: put lines in a file next to each other
• rs: reshape arrays
• jot: generate data
• expand: replace spaces and/or tabs
• time: track time and resourcing
• watch: execute something on a schedule in realtime

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Intro

Below a list of yeoman tools, generators that are very useful to scaffold front-end boilerplate code.

Also It can be very helpful in adding them into a docker container and share.

Generators

Envcheck makes sure that everything is installed properly in order to run yeoman smoothly

$ npm install -g envcheck

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1. Menu do not display

* Type : $ nano .local/share/applications/dart_editor.desktop
* Make sure you have the following lines in this file :
Icon=<your_path>/dart/icon.xpm
Path=<your_path>/dart
Exec=env UBUNTU_MENUPROXY= <your_path>/dart/DartEditor (!! space character important here !!)

2. Dartium can not be open b/c libudev.so.0 was not found

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$ lsb_release -a

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# cli
$ node --expose-gc test.js

# in .js source code
global.gc()

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1. Since we are using NVIDIA driver, we need to remove or disable XServer Nouveau Drivers
* Disable :
** sudo nano /etc/modprobe.d/blacklist-nouveau.conf
** Add the following two lines :
blacklist nouveau
options nouveau modeset=0
* Remove : sudo apt-get remove xserver-xorg-video-nouveau

2. Stop the display manager : sudo service lightdm stop
3. Install the drivers :

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# init a python project
pip install virtualenv
virtualenv --distribute <venv_dirname>
source <venv_dirname>/bin/activate

# install dependencies
pip install -r requirements.txt

# exit virtualenv mode
deactivate 

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npm update -S