peterchang wahengchang
wahengchang
/ gist:089408735315e5337d37d410d468ed4c
Created
December 10, 2016 04:28
promise_function.js
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| var sleep = function(para) { | |
| return new Promise(function(resolve, reject) { | |
| setTimeout(function() { | |
| resolve(para * para) | |
| }, 1000) | |
| }) | |
| } |
wahengchang
/ async_function.js
Created
December 10, 2016 04:31
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| var sleep = function(para) { | |
| return new Promise(function(resolve, reject) { | |
| setTimeout(function() { | |
| resolve(para * para) | |
| }, 1000) | |
| }) | |
| } | |
| async function asyncSleep (para){ | |
| return await sleep(para) |
wahengchang
/ node-and-npm-in-30-seconds.sh
Created
February 28, 2017 05:47
— forked from isaacs/node-and-npm-in-30-seconds.sh
Use one of these techniques to install node and npm without having to sudo. Discussed in more detail at http://joyeur.com/2010/12/10/installing-node-and-npm/ Note: npm >=0.3 is *safer* when using sudo.
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| echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc | |
| . ~/.bashrc | |
| mkdir ~/local | |
| mkdir ~/node-latest-install | |
| cd ~/node-latest-install | |
| curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1 | |
| ./configure --prefix=~/local | |
| make install # ok, fine, this step probably takes more than 30 seconds... | |
| curl https://www.npmjs.org/install.sh | sh |
wahengchang
/ syncEC2ByPem.sh
Last active
April 30, 2017 07:30
A tool to sync file from local to AWS EC2 by pem key
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| # 2017/4/23 | |
| # To sync file from local to AWS EC2 by pem key | |
| # Exclude '/node_modules' | |
| # Check user name *******************/ | |
| if [ -z ${SYNC_USER} ]; then | |
| echo "Input your EC2 name (default user: ec2-user):." | |
| read _userName | |
| if [ -z ${_userName} ]; then |
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| var casper = require('casper').create(); | |
| casper.start('http://casperjs.org/'); | |
| casper.then(function() { | |
| this.echo('First Page: ' + this.getTitle()); | |
| }); | |
| casper.thenOpen('http://phantomjs.org', function() { | |
| this.echo('Second Page: ' + this.getTitle()); |
wahengchang
/ CloneDBToDB.sh
Last active
August 30, 2017 14:56
Shell script for backing up Mongo Databases on a given server. To dump and restore production MongoDB databases.
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| ##################################### | |
| ####### Config Your host here ##### | |
| ##################################### | |
| FROM_DB_HOST="abc.com:1024" | |
| TO_DB_HOST="def.mlab.com:1111" | |
| FROM_DB_NAME="peter" | |
| TO_DB_NAME="peter-dev" | |
| ##################################### |
wahengchang
/ gist:16ae5816367788f4ea33fbc4c0403f84
Created
September 29, 2017 03:36
Linux initial command
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| sudo yum upgrade | |
| sudo yum install git | |
| curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.4/install.sh | bash | |
| source ~/.bash_profile | |
| nvm install v6.9.5 |
wahengchang
/ gist:d24f7c280ce9d3719bbe3ed03b1e44a9
Created
September 29, 2017 06:04
docker-machine-install
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| curl -L https://github.com/docker/machine/releases/download/v0.12.2/docker-machine-`uname -s`-`uname -m` >/tmp/docker-machine && | |
| chmod +x /tmp/docker-machine | |
| sudo cp /tmp/docker-machine /usr/local/bin/docker-machine |
wahengchang
/ unit-test-connected-component.js
Created
February 1, 2018 09:46
unit-test-connected-component.js
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| import React from 'react' | |
| import { connect } from 'react-redux' | |
| import { mount, shallow } from 'enzyme' | |
| import ToastList from '../../../src/components/common/ToastList' | |
| jest.mock('../../../src/components/common/ToastList/ToastItem/index.js', () => | |
| (props) => <mock-toast-item id={props.id}> | |
| {props.msg} | |
| </mock-toast-item> | |
| ) |
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| window.addEventListener('scroll', function(){ | |
| console.log(window.pageYOffset) | |
| }) |
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