andineck

var assert = require('assert');
var buf, buf2;

buf = new Buffer([0x00, 0x41, 0x7f]);
buf2 = new Buffer(buf.toString());

//console.log(buf, buf2);
// -> <Buffer 00 41 7f> <Buffer 00 41 7f>
assert(buf2.equals(buf), 'buffer with normal acii chars can be converted to string and back');
assert.equal(buf2.length, 3);

andineck

$filePath = "test.txt"


# write append to file
echo 'halloo' >> $filePath

# write empty file
echo $null > $filePath

andineck

# email-subscribers.dat is a file with email adresses separated by newline
# SmtpServer must be provided

$emails = Get-Content email-subscribers.dat

foreach($email in $emails) {
  Send-MailMessage -From "me@you.com" -To $email -Subject "howzit" -Body "long time no see" -SmtpServer "smtp.google.com"
}

andineck

javascript member variables

know the difference between shared and instance specific member variables in javascript.

andineck

//  patch:  "path-to-regexp": "git://github.com/pillarjs/path-to-regexp.git#asterisk-match"
var patch = require('./patch/node_modules/path-to-regexp');

//  old:  "path-to-regexp": "^0.1.3"
var old = require('./0.1.3/node_modules/path-to-regexp');
var assert = require('assert');

// routes: 0: route, 1: path, 2: param
var routes = [
  ['*', '/test/route/aA/bB/cC', '/test/route/aA/bB/cC'],

andineck

badass-grid

play

badass-grid

by Andi Neck on CodePen.

license

andineck

node.js module hickups

modules in node are great. sharing them in npm is even better.

• make sure you understand, that module when you require the same module from within the same directory, you get the reference to the same thing.
• if you require the same module in files wich are located in different directories, you get two new module instances.

run

node b.js

andineck

understand javascript variables

run:

node variables.js

andineck

sudo apt-get update        # Fetches the list of available updates
sudo apt-get upgrade       # Strictly upgrades the current packages
sudo apt-get dist-upgrade  # Installs updates (new ones)

andineck

github cmd

1. how to create and init a git repository
2. how to create and init a git repository for an organization