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@MohamedAlaa
MohamedAlaa / tmux-cheatsheet.markdown
Last active May 12, 2025 10:08
tmux shortcuts & cheatsheet

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname
@erikh
erikh / hack.sh
Created March 31, 2012 07:02 — forked from DAddYE/hack.sh
OSX For Hackers
#!/usr/bin/env sh
##
# This is script with usefull tips taken from:
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# install it:
# curl -sL https://raw.github.com/gist/2108403/hack.sh | sh
#
@jboner
jboner / latency.txt
Last active May 12, 2025 05:04
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@JeffPaine
JeffPaine / i3-cheat-sheet.md
Last active April 14, 2025 15:08
i3 Window Manager Cheat Sheet

i3 Window Manager Cheat Sheet

$mod refers to the modifier key (alt by default)

General

  • startx i3 start i3 from command line
  • $mod+<Enter> open a terminal
  • $mod+d open dmenu (text based program launcher)
  • $mod+r resize mode ( or to leave resize mode)
  • $mod+shift+e exit i3
@dnagir
dnagir / rspec-syntax-cheat-sheet.rb
Created November 5, 2010 09:29
RSpec 2 syntax cheat sheet by example
# RSpec 2.0 syntax Cheet Sheet by http://ApproachE.com
# defining spec within a module will automatically pick Player::MovieList as a 'subject' (see below)
module Player
describe MovieList, "with optional description" do
it "is pending example, so that you can write ones quickly"
it "is already working example that we want to suspend from failing temporarily" do
pending("working on another feature that temporarily breaks this one")
(defun vulpea-project-p ()
"Return non-nil if current buffer has any todo entry.
TODO entries marked as done are ignored, meaning the this
function returns nil if current buffer contains only completed
tasks."
(seq-find ; (3)
(lambda (type)
(eq type 'todo))
(org-element-map ; (2)
@mcvarer
mcvarer / cuda-11.2_installation_on_Ubuntu-18.04
Last active February 14, 2025 06:01
CUDA 11.2 Installation on Ubuntu 18.04
#!/bin/bash
## This gist contains instructions about cuda v11.2 and cudnn 8.1 installation in Ubuntu 18.04 for PyTorch
#############################################################################################
##### forked by : https://gist.github.com/Mahedi-61/2a2f1579d4271717d421065168ce6a73 ########
#############################################################################################
### steps ####
# verify the system has a cuda-capable gpu
@MidSpike
MidSpike / readme.md
Last active January 29, 2025 18:02
CVE-2022-23812 | RIAEvangelist/node-ipc is malware / protest-ware
import re
from txtai import Embeddings, LLM
# Prompt courtesy of the following link: https://github.com/codelion/optillm/blob/main/cot_reflection.py
def cot(system, user):
system = f"""
{system}
You are an AI assistant that uses a Chain of Thought (CoT) approach with reflection to answer queries. Follow these steps:
@mikhailov
mikhailov / installation.sh
Created November 23, 2010 15:18
nginx+passenger (real production config)
# NOTICE: to get Nginx+Unicorn best-practices configuration see the gist https://gist.github.com/3052776
$ cd /usr/src
$ wget http://nginx.org/download/nginx-1.2.1.tar.gz
$ tar xzvf ./nginx-1.2.1.tar.gz && rm -f ./nginx-1.2.1.tar.gz
$ wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.30.tar.gz
$ tar xzvf pcre-8.30.tar.gz && rm -f ./pcre-8.30.tar.gz
$ wget http://www.openssl.org/source/openssl-1.0.1c.tar.gz