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oodavid

Backup MySQL to Amazon S3

This is a simple way to backup your MySQL tables to Amazon S3 for a nightly backup - this is all to be done on your server :-)

Sister Document - Restore MySQL from Amazon S3 - read that next

1 - Install s3cmd

this is for Centos 5.6, see http://s3tools.org/repositories for other systems like ubuntu etc

clarle

// Module dependencies

var express    = require('express'),
    mysql      = require('mysql');

// Application initialization

var connection = mysql.createConnection({
        host     : 'localhost',
        user     : 'root',

tonymtz

# first:
lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom | while read f; do  sudo rm /usr/local/${f}; done
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*

# To recap, the best way (I've found) to completely uninstall node + npm is to do the following:

# go to /usr/local/lib and delete any node and node_modules
cd /usr/local/lib
sudo rm -rf node*

Miserlou

[
    {
        "city": "New York", 
        "growth_from_2000_to_2013": "4.8%", 
        "latitude": 40.7127837, 
        "longitude": -74.0059413, 
        "population": "8405837", 
        "rank": "1", 
        "state": "New York"
    }, 

fisherwebdev

Lifecycle:                      |    Update: 
Mounting and Unmounting         |    New Props or State
--------------------------------+-----------------------------------
                                |
getDefaultProps()               |    componentWillReceiveProps()*
                                |
getInitialState()               |    shouldComponentUpdate()
                                |
componentWillMount()            |    componentWillUpdate()
                                |

jondlm

React introduced shallow rendering in 0.13. This is an excellent feature that I wish was included earlier in React. It aims to solve the problem of unit testing components without going through a real, or jsdom mocked, DOM. I couldn't find any info online about what lifecycle events it actually fires. So I did some testing of my own. To reproduce, put component.js and test.js into a folder and run node test.js.

TLDR; shallow rendering only invokes the following lifecycle hooks (in order):

1. getDefaultProps
2. getInitialState
3. componentWillMount stops here until re-render
4. componentWillReceiveProps
5. shouldComponentUpdate
6. componentWillUpdate

rondy

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

---

Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

honux77

===============================================================================
=    빔 길잡이 (VIM Tutor) 에 오신 것을 환영합니다    -      Version 1.5      =
===============================================================================

     빔(Vim)은 이 길잡이에서 다 설명할 수 없을 만큼 많은 명령을 가진
     매우 강력한 편집기입니다. 이 길잡이는 빔을 쉽게 전천후 편집기로 사용할
     수 있도록 충분한 명령에 대해 설명하고 있습니다.

     이 길잡이를 떼는 데에는 실습하는 데에 얼마나 시간을 쓰는 가에 따라서
     25-30 분 정도가 걸립니다.

falsy

NVM(Node Version Manager) Quick Start

맥OS에서 NVM 사용하기

NVM 설치

1. 설치

$ sudo curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.1/install.sh | bash