NanoDano

Clojure Basics

Install Java from https://www.java.com/en/download/ Download lein or lein.bat from http://leiningen.org/

lein self-install
lein new <project>
cd <project>
vim project.clj # and add the following:

NanoDano

Crystal

https://crystal-lang.org is just like Ruby, but it compiles and has threads.

Install

Download the .tar.gz from https://github.com/crystal-lang/crystal/releases/ Extract and add bin/ to PATH. Adds crystal and shards to PATH.

NanoDano

Dart Language Basics

Build from source

Follow the instructions on https://github.com/dart-lang/sdk/wiki/Building

Then run:

sudo apt-get install g++-multilib git python curl

NanoDano

Sample MongoDB commands

show dbs
use <db>  # also creates
show collections
db.getCollectionNames()
db.showCollections()
db.domains.getIndexes()
db.domains.stats()

NanoDano

nasm Net Assembler Assembly

Compile and link

Compile with:

nasm -f elf64 file.asm
# or -f elf for 32 bit

NanoDano

Windows PowerShell

Network wake on lan packet http://www.adminarsenal.com/admin-arsenal-blog/powershell-sending-a-wake-on-lan-wol-magic-packet/

System.Net.WebRequest -

$req = [System.Net.WebRequest]::Create('http://www.devdungeon.com') $req.Method ="GET" $req.ContentLength = 0

NanoDano

if [[ $EUID -ne 0 ]]; then
    echo "This script must be run as root. Exiting"
    exit 1
fi

NanoDano

Colors

Black       0;30     Dark Gray     1;30
Blue        0;34     Light Blue    1;34
Green       0;32     Light Green   1;32
Cyan        0;36     Light Cyan    1;36
Red         0;31     Light Red     1;31
Purple      0;35     Light Purple  1;35
Brown 0;33 Yellow 1;33

NanoDano

# Specific number of iterations
for i in $(seq 1 10)
do
  echo $i
done

# Specify list
for x in test.txt misc.txt other.txt
do
	rm $x

NanoDano

# Define a function
hello() {
	echo "Hello, world!"
}

# Run the function
hello

# Using function arguments
hello() {