prologic

Learn Go in ~5mins

This is inspired by A half-hour to learn Rust and Zig in 30 minutes.

Basics

Your first Go program as a classical "Hello World" is pretty simple:

First we create a workspace for our project:

rcmagic

Readme: In the following pseudo code, [] indicates a subroutine.
Sometimes I choose to write the subroutine inline under the [] in order to maintain context. 
One important fact about the way rollbacks are handled here is that we are storing state for every frame. 
In any real implementation you only need to store one game state at a time. Storing a game 
state for every frame allows us to only rollback to the first frame where the predicted inputs don't match the true ones.


==Constants==
MAX_ROLLBACK_FRAMES     := Any Positive Integer         # Specifies the maximum number of frames that can be resimulated
FRAME_ADVANTAGE_LIMIT   := Any Positive Integer         # Specifies the number of frames the local client can progress ahead of the remote client before time synchronizing. 

zonia3000

Android USB tethering with static IP address (fix broken tethering)

On the custom ROM I'm using (James Rom D500) there is something broken with DHCP setup, so, even if the USB tethering is active from phone settings, the computer will never receive a valid IP address.

These steps worked for me for setting up a static IP address:

Laptop configuration (from GUI)

• Address: 192.168.42.121

wilm0x42

The heck is this?

Gecko Patch File format, or GPF, is a feature of Gecko OS that the internet seems to have overlooked. (A google search yields just short of anything meaningful) This document aims to explain how to use this feature without the need to reverse engineer the source code.

But what's it DO?

GCT files, which you should be quite familiar with, contain code for Gecko OS to interpret and execute during gameplay. GPF files, on the other hand, simply contain chunks of data for Gecko OS to write out over specified places in memory, before the game boots. Here's how the format describes this information:

inamiy

React & Elm inspired frameworks in Swift

This is a curated list of iOS (Swift & ObjC) frameworks which are inspired by React and Elm.

Swift frameworks

React-inspired

• ReactSwift by @ColinEberhardt
• https://github.com/ColinEberhardt/ReactSwift

chrisob

#!/bin/bash

# Based on the scripts written by class101 of xda-developers.com:
# http://forum.xda-developers.com/showpost.php?p=57490025&postcount=205
#
# This script enables a secure tunnel for your android phone to "reverse tether"
# and access the internet/a private network via the following steps:
#
# 1. Establish a level 3 (TAP) tunnel from your local host to a remote server via SSH (tap0)
# 2. Establish a level 3 interface between your local host and your android phone via USB (usb0)

0xabad1dea

Abadidea's Index of Weird Machines in Video Games

A "weird machine" is when user-supplied input is able to create an arbitrary new program running within an existing program due to Turing-completeness being exposed. Sometimes such functionality was deliberately included but it is often the result of exploitation of memory corruption. You can learn more at the langsec site. There is a good argument for weird machines being inherently dangerous, but this index is just for fun.

It is broken into two categories: intentional gameplay features which may be used as weird machines, and exploit-based machines which can be triggered by ordinary player input (tool-assisted for speed and precision is acceptable). Games with the sole purpose of programming (such as Core Wars) are not eligible and plugin APIs don't count. If you know of more, feel free to add a comment to this gist.

Intentional Gameplay Mechanics

luca-bernardi

//
//  AVAsset+VideoOrientation.h
//
//  Created by Luca Bernardi on 19/09/12.
//  Copyright (c) 2012 Luca Bernardi. All rights reserved.
//
#import <AVFoundation/AVFoundation.h>

typedef enum {
  LBVideoOrientationUp,               //Device starts recording in Portrait

robinsloan

require "rubygems"
require "twitter"
require "json"

# things you must configure
TWITTER_USER = "your_username"
MAX_AGE_IN_DAYS = 1 # anything older than this is deleted

# get these from dev.twitter.com
CONSUMER_KEY = "your_consumer_key"

mikeabdullah

//
//  KSPowerAssertion.h
//  Sandvox
//
//  Created by Mike on 04/08/2012.
//  Copyright (c) 2012 Karelia Software. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <IOKit/pwr_mgt/IOPMLib.h>