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@gaearon
gaearon / modern_js.md
Last active April 14, 2025 19:22
Modern JavaScript in React Documentation

If you haven’t worked with JavaScript in the last few years, these three points should give you enough knowledge to feel comfortable reading the React documentation:

  • We define variables with let and const statements. For the purposes of the React documentation, you can consider them equivalent to var.
  • We use the class keyword to define JavaScript classes. There are two things worth remembering about them. Firstly, unlike with objects, you don't need to put commas between class method definitions. Secondly, unlike many other languages with classes, in JavaScript the value of this in a method [depends on how it is called](https://developer.mozilla.org/en-US/docs/Web/Jav
@rbtsolis
rbtsolis / middleware.py
Created May 3, 2018 02:46
Django Access the Request or User Object Inside the Models and Signals
# 1) Create a middlewares/middlewares.py file and copy this:
import threading
class RequestMiddleware:
def __init__(self, get_response, thread_local=threading.local()):
self.get_response = get_response
self.thread_local = thread_local
# One-time configuration and initialization.
@loilo
loilo / split-pull-requests.md
Last active March 18, 2025 00:29
Split a large pull request into two
@Everlanders
Everlanders / LightMonitor.py
Created March 13, 2018 14:47
Headlight and Reverse Lights monitor for YouTube Commenters - UNTESTED but should work fine.
#!/usr/bin/python
# A quick hack of my button monitor script to monitor headlights and reverse lights to
# Dim the screen and switch to the reverse camera.
# I have not tested this...
# Remember, the switch or opto is switching to ground, so the logic is inverted... 0 = on 1 = off
# Also, you would run only one of these "Monitor" scripts. you can't be running RearviewMonitor.py AND LightMonitor.py
import RPi.GPIO as GPIO
import time
import subprocess, os
@Everlanders
Everlanders / backlight.sh
Created March 6, 2018 15:16
Script to Change the Backlight brightness on the Official Raspberry Pi 7" display.
#!/bin/bash
level=$1
#echo "level given is $level"
if [ $# != 1 ]; then
echo "USAGE: $0 brightness_level (0 to 255)"
exit 1
fi
@Everlanders
Everlanders / ButtonMonitor.py
Last active May 8, 2024 05:09
Python Script to monitor GPIO button presses and call the Camera and Backlight.
#!/usr/bin/python
import RPi.GPIO as GPIO
import time
import subprocess, os
import signal
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
RearView_Switch = 14 # pin 18
Brightness_Switch = 15 # pin 16
@mort3za
mort3za / git-auto-sign-commits.sh
Last active February 5, 2025 18:58
Auto sign your git commits
# Generate a new pgp key: (better to use gpg2 instead of gpg in all below commands)
gpg --gen-key
# maybe you need some random work in your OS to generate a key. so run this command: `find ./* /home/username -type d | xargs grep some_random_string > /dev/null`
# check current keys:
gpg --list-secret-keys --keyid-format LONG
# See your gpg public key:
gpg --armor --export YOUR_KEY_ID
# YOUR_KEY_ID is the hash in front of `sec` in previous command. (for example sec 4096R/234FAA343232333 => key id is: 234FAA343232333)
@Brainiarc7
Brainiarc7 / build-tensorflow-from-source.md
Last active September 9, 2024 22:48
Build Tensorflow from source, for better performance on Ubuntu.

Building Tensorflow from source on Ubuntu 16.04LTS for maximum performance:

TensorFlow is now distributed under an Apache v2 open source license on GitHub.

On Ubuntu 16.04LTS+:

Step 1. Install NVIDIA CUDA:

To use TensorFlow with NVIDIA GPUs, the first step is to install the CUDA Toolkit as shown:

@sagivo
sagivo / gist:3a4b2f2c7ac6e1b5267c2f1f59ac6c6b
Last active April 5, 2025 21:54
webRTC stun / turn server list
to check if the server works - https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice
stun:
stun.l.google.com:19302,
stun1.l.google.com:19302,
stun2.l.google.com:19302,
stun3.l.google.com:19302,
stun4.l.google.com:19302,
stun.ekiga.net,
stun.ideasip.com,
@steinwaywhw
steinwaywhw / One Liner to Download the Latest Release from Github Repo.md
Last active April 18, 2025 13:48
One Liner to Download the Latest Release from Github Repo
  • Use curl to get the JSON response for the latest release
  • Use grep to find the line containing file URL
  • Use cut and tr to extract the URL
  • Use wget to download it
curl -s https://api.github.com/repos/jgm/pandoc/releases/latest \
| grep "browser_download_url.*deb" \
| cut -d : -f 2,3 \
| tr -d \" \