Skip to content

Instantly share code, notes, and snippets.

Ján Sáreník jsarenik

Block or report user

Report or block jsarenik

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
@trey
trey / happy_git_on_osx.md
Last active Aug 20, 2019
Creating a Happy Git Environment on OS X
View happy_git_on_osx.md

Creating a Happy Git Environment on OS X

Step 1: Install Git

brew install git bash-completion

Configure things:

git config --global user.name "Your Name"
git config --global user.email "you@example.com"
@myusuf3
myusuf3 / delete_git_submodule.md
Created Nov 3, 2014
How effectively delete a git submodule.
View delete_git_submodule.md

To remove a submodule you need to:

  • Delete the relevant section from the .gitmodules file.
  • Stage the .gitmodules changes git add .gitmodules
  • Delete the relevant section from .git/config.
  • Run git rm --cached path_to_submodule (no trailing slash).
  • Run rm -rf .git/modules/path_to_submodule (no trailing slash).
  • Commit git commit -m "Removed submodule "
  • Delete the now untracked submodule files rm -rf path_to_submodule
@gavinandresen
gavinandresen / BlockPropagation.md
Last active Aug 16, 2019
O(1) block propagation
View BlockPropagation.md

O(1) Block Propagation

The problem

Bitcoin miners want their newly-found blocks to propagate across the network as quickly as possible, because every millisecond of delay increases the chances that another block, found at about the same time, wins the "block race."

@pezz
pezz / crypto-pi-root.md
Last active Aug 16, 2019
Archlinux ARM encrypted root
View crypto-pi-root.md

Intro

Just some FYI, to get started:

  • I'm using a 16 GB Sandisk SD card.
  • I have a model B Pi, 512 MB RAM (not really relevant, thought I'd mention it).
  • Monitor and keyboard connected to the Pi itself, for now.
  • Network working, internet access.
@johntyree
johntyree / getBlockLists.sh
Last active Aug 13, 2019
Make one large blocklist from the bluetack lists on iblocklist.com
View getBlockLists.sh
#!/usr/bin/env sh
# Download lists, unpack and filter, write to stdout
curl -s https://www.iblocklist.com/lists.php \
| sed -n "s/.*value='\(http:.*=bt_.*\)'.*/\1/p" \
| xargs wget -O - \
| gunzip \
| egrep -v '^#'
@JakubVanek
JakubVanek / Framebuffer to PNG
Last active Aug 10, 2019
Convert raw BGRA framebuffer to RGB png file
View Framebuffer to PNG
This program can be used to convert raw BGRA 8888 framebuffer to standard PNG file.
@gavinandresen
gavinandresen / TransactionFeeProposal.md
Created Jun 20, 2012
Transaction Fee rework proposal
View TransactionFeeProposal.md

Reworking Bitcoin Transaction Fees

Transaction fees as they are currently implemented in the original Bitcoin code suffer from a few problems:

  • The rules are complicated and ad-hoc
  • Fees are hard-coded and do not reflect real costs
  • Adding fees to a transaction doesn't necessarily make it more likely the transaction will be confirmed more quickly.

I'm proposing changing the rules miners use to decide what transactions to include in their blocks, and changing the way clients tell users whether or not any particular transaction "needs" a fee to be confirmed in a reasonable amount of time.

@eatnumber1
eatnumber1 / renameat2.c
Last active Jul 21, 2019
Command-line tool to call renameat2(2)
View renameat2.c
#define _GNU_SOURCE
#include <stdlib.h>
#include <fcntl.h>
#include <stdio.h>
#include <getopt.h>
#include <stddef.h>
#include <stdbool.h>
#include <stdarg.h>
#include <errno.h>
#include <unistd.h>
@rofl0r
rofl0r / init.c
Created Aug 6, 2013
minimal init daemon by rich felker, author of musl libc
View init.c
#define _XOPEN_SOURCE 700
#include <signal.h>
#include <unistd.h>
int main()
{
sigset_t set;
int status;
if (getpid() != 1) return 1;
@CoinWhisperer
CoinWhisperer / burn-btc
Last active Jun 28, 2019
A simple python program to create bitcoin burn addresses.
View burn-btc
#! /usr/bin/env python
"""
burn-btc: create a bitcoin burn address
By James C. Stroud
This program requries base58 (https://pypi.python.org/pypi/base58/0.2.1).
Call the program with a template burn address as the only argument::
You can’t perform that action at this time.