eristoy

Command Editing Shortcuts

Ctrl + a – go to the start of the command line
Ctrl + e – go to the end of the command line
Ctrl + k – delete from cursor to the end of the command line
Ctrl + u – delete from cursor to the start of the command line
Ctrl + w – delete from cursor to start of word (i.e. delete backwards one word)
Ctrl + y – paste word or text that was cut using one of the deletion shortcuts (such as the one above) after the cursor
Ctrl + xx – move between start of command line and current cursor position (and back again)
Alt + b – move backward one word (or go to start of word the cursor is currently on)

shafik

What is the Strict Aliasing Rule and Why do we care?

(OR Type Punning, Undefined Behavior and Alignment, Oh My!)

What is strict aliasing? First we will describe what is aliasing and then we can learn what being strict about it means.

In C and C++ aliasing has to do with what expression types we are allowed to access stored values through. In both C and C++ the standard specifies which expression types are allowed to alias which types. The compiler and optimizer are allowed to assume we follow the aliasing rules strictly, hence the term strict aliasing rule. If we attempt to access a value using a type not allowed it is classified as undefined behavior(UB). Once we have undefined behavior all bets are off, the results of our program are no longer reliable.

Unfortunately with strict aliasing violations, we will often obtain the results we expect, leaving the possibility the a future version of a compiler with a new optimization will break code we th

EvieePy

"""
Please understand Music bots are complex, and that even this basic example can be daunting to a beginner.

For this reason it's highly advised you familiarize yourself with discord.py, python and asyncio, BEFORE
you attempt to write a music bot.

This example makes use of: Python 3.6

For a more basic voice example please read:
    https://github.com/Rapptz/discord.py/blob/rewrite/examples/basic_voice.py

Pulimet

adb help // List all comands

== Adb Server
adb kill-server
adb start-server 

== Adb Reboot
adb reboot
adb reboot recovery 
adb reboot-bootloader

peteristhegreat

Miscellaneous Linux Commands

Introduction

Linux users are expected to interact with the Linux systems quickly and efficiently.

A bare minimum number of commands will get you by, but if you are interested in sharing what works for you, or common/favorite one-liners or pieces of your bash script continue reading.

General Links

Jinmo

/*
 * Copyright (c) 1996, 1998, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *

wojteklu

Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

---

General rules

1. Follow standard conventions.
2. Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
3. Boy scout rule. Leave the campground cleaner than you found it.
4. Always find root cause. Always look for the root cause of a problem.

Design rules

jduck

#!/bin/sh

IMG=zImage
[ -n "$1" ] && IMG="$1"

binwalk -y gzip -e "$IMG"
mv _"$IMG".extracted/* piggy && rmdir _"$IMG".extracted
if [ -f piggy ]; then
    ls -l piggy
	[ -f piggy ] && ( strings piggy | grep 'Linux version' )

cyphunk

Useful Commands

Some of it related to embedded analysis, some of it not.

Table of Contents

• Dump or copy via nc
• Dump or copy via ssh
• Dump or copy via serial

demoive

# use:
# .bash_profile		- only gets executed for login bash shells
# .bashrc			- only gets executed for NON-login bash shells for only NON-login shells
# .profile			- gets executed for ANY login shell
# .bash_logout		- only gets executed for bash shells after logout


# Sets the prompt:
#PS1='\h:\w \u\$ '
#PS2='> '