lin

1. All things we do, we only update the pixels on pages.

2. If it is updating base on time, we say it's an animation.

3. the stage one is to create an image.

Let's consider this react comp.

function Comment(props) {
 return (

lin

1. install xcode
2. install homebrew ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
3. install node brew install node

lin

one: how to assign different priorities. two:

===========

1, createdb
2, dropdb
3, psql \h (help) \q (quit)

lin

0, install electron from terminal

npm install -g electron
npm install --save-dev electron

1, create package.jsonfile

2, simple app:

lin

D3 Simple Examples for Basic Graph Drawing

---

1, Line Chart

http://bl.ocks.org/mbostock/3883245

2, Area Chart

lin

Based on this article.

1, backup database using:

pg_dump -U ubuntu app_development -f ~/Downloads/app.sql

2, upload to the server.

lin

Based on this article

Also this article

apt-get update

Install pptpd

sudo apt-get install pptpd

lin

Last update, 04-08-2016

sudo apt-get update

RVM

sudo apt-get install curl

lin

1, connect to a db

psql postgres
psql database_name

In order to connect to a database you need to know the name of your target database, the host name and port number of the server and what user name you want to connect as.

lin

# rails

find . \( -iname '*.rb' -o -iname '*.css' -o -iname '*.js' -o -iname '*.erb' -o -iname '*.html' -o -iname '*.haml'  -o -iname '*.sass' -o -iname '*.scss' -o -iname '*.coffee' \) -exec wc -l {} + | sort -n

# ios

find . "(" -name "*.m" -or -name "*.mm" -or -name "*.cpp" -or -name "*.swift" ")" -print0 | xargs -0 wc -l