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# 4.x
curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash -
sudo apt-get install -y nodejs

# 6.x
curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -
sudo apt-get install -y nodejs

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# Reference https://wroot.org/posts/quick-and-dirty-tcpdump-credential-usernamepassword-sniffer/
tcpdump -i wlan1 port http or port ftp or port smtp or port imap or port pop3 -l -A | egrep -i 'pass=|pwd=|log=|logi
n=|user=|username=|pw=|passw=|passwd=|password=|pass:|user:|username:|password:|login:|pass |user '

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1. 无限循环。万一条件不符合，这段代码就会一直跑了，直到耗尽资源。

for (var i = 0; ; i++) {
  ...
  if(...){
    break;
  }
}

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sudo apt-get install apt-transport-https ca-certificates
sudo apt-key adv \
               --keyserver hkp://ha.pool.sks-keyservers.net:80 \
               --recv-keys 58118E89F3A912897C070ADBF76221572C52609
# Ubuntu version	Repository
# Precise 12.04 (LTS)	deb https://apt.dockerproject.org/repo ubuntu-precise main
# Trusty 14.04 (LTS)	deb https://apt.dockerproject.org/repo ubuntu-trusty main
# Wily 15.10	deb https://apt.dockerproject.org/repo ubuntu-wily main
# Xenial 16.04 (LTS)	deb https://apt.dockerproject.org/repo ubuntu-xenial main
echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" | sudo tee /etc/apt/sources.list.d/docker.list

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# https://www.eclipse.org/che/getting-started/download/
curl -sL https://raw.githubusercontent.com/eclipse/che/master/che.sh > /usr/local/bin/che
chmod +x /usr/local/bin/che
che start

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# http://expressjs.com/en/api.html

var app = require('express')();
var bodyParser = require('body-parser');
var multer = require('multer'); // v1.0.5
var upload = multer(); // for parsing multipart/form-data

app.use(bodyParser.json()); // for parsing application/json
app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded

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# REF http://stackoverflow.com/questions/27898805/how-to-load-all-the-columns-from-a-csv-into-neo4j-nodes

LOAD CSV WITH HEADERS FROM "file:///data.csv" AS line FIELDTERMINATOR ',' CREATE (n:MyLabel) SET n += line

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If you got error like "RangeError: Invalid string length" "SyntaxError: Unexpected end of JSON input" with npm "json2csv" "json2csv-stream" "write-json-file",
try write-csv instead.

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npm config set registry https://registry.npm.taobao.org

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sudo apt-get install software-properties-common

sudo apt-add-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer


// Download teamcity file
// https://download-cf.jetbrains.com/teamcity/TeamCity-2017.1.2.tar.gz
// https://download-cf.jetbrains.com/charisma/youtrack-2017.2.33766.jar