Skip to content

Instantly share code, notes, and snippets.

@maitrungduc1410
maitrungduc1410 / create-vod-hls.sh
Last active April 12, 2025 01:00
Bash scripts to create VOD HLS stream with ffmpeg (Extended version)
#!/usr/bin/env bash
START_TIME=$SECONDS
set -e
echo "-----START GENERATING HLS STREAM-----"
# Usage create-vod-hls.sh SOURCE_FILE [OUTPUT_NAME]
[[ ! "${1}" ]] && echo "Usage: create-vod-hls.sh SOURCE_FILE [OUTPUT_NAME]" && exit 1
# comment/add lines here to control which renditions would be created
renditions=(
@yegappan
yegappan / VimScriptForPythonDevelopers.MD
Last active June 30, 2025 14:54
Vim script for Python Developers

Vim Script for Python Developers

This is a guide to Vim Script development for Python developers. Sample code for the various expressions, statements, functions and programming constructs is shown in both Python and Vim Script. This is not intended to be a tutorial for developing Vim scripts. It is assumed that the reader is familiar with Python programming.

For an introduction to Vim Script development, refer to usr_41.txt, eval.txt and Learn Vimscript the Hard Way

For a guide similar to this one for JavaScript developers, refer to Vim Script for the JavaScripter

This guide only describes the programming constructs that are present in both Python and Vim. The constructs that are unique to Vim (e.g. autocommands, [key-mapping](https://vimhelp.org/map.txt.html#key-m

@bbqtd
bbqtd / macos-tmux-256color.md
Last active June 4, 2025 17:47
Installing tmux-256color for macOS

Installing tmux-256color for macOS

  • macOS 10.15.5
  • tmux 3.1b

macOS has ncurses version 5.7 which does not ship the terminfo description for tmux. There're two ways that can help you to solve this problem.

The Fast Blazing Solution

Instead of tmux-256color, use screen-256color which comes with system. Place this command into ~/.tmux.conf or ~/.config/tmux/tmux.conf(for version 3.1 and later):

@romainl
romainl / tags.md
Last active March 16, 2025 13:28
Tags

Tags

Setup

Tell Vim to look for tags files:

  • in the directory of the current file,
  • in the working directory,
  • and in every parent directory, recursively,
@miglen
miglen / osx_wifi_strenght_command_line.sh
Created January 14, 2018 18:46
Mac OS X Wifi Signal strength meter command line
#!/bin/bash
# Simple command to display the wireless strenght signal
#
clear
while x=1
do /System/Library/PrivateFrameworks/Apple*.framework/Versions/Current/Resources/airport -I \
| grep CtlRSSI \
| sed -e 's/^.*://g' \
| xargs -I SIGNAL printf "\rWifi dBm: SIGNAL"
sleep 0.5
@Lewiscowles1986
Lewiscowles1986 / rPi3-ap-setup.sh
Last active March 31, 2025 15:46
Raspberry Pi 3 access-point-setup
#!/bin/bash
#
# This version uses September 2017 august stretch image, please use this image
#
if [ "$EUID" -ne 0 ]
then echo "Must be root"
exit
fi
@martinsik
martinsik / circle_detection.py
Last active April 22, 2023 09:50
Circle detection with OpenCV 3.0
import cv2
import time
import math
import numpy as np
capture = cv2.VideoCapture(0)
print capture.get(cv2.CAP_PROP_FPS)
t = 100
w = 640.0
@gboudreau
gboudreau / install-ffmpeg-amazon-linux.sh
Last active August 2, 2024 19:25
How to compile ffmpeg on Amazon Linux (EC2)
#!/bin/sh
# Based on instructions found here: http://wiki.razuna.com/display/ecp/FFMpeg+Installation+on+CentOS+and+RedHat#FFMpegInstallationonCentOSandRedHat-InstallX264
if [ "`/usr/bin/whoami`" != "root" ]; then
echo "You need to execute this script as root."
exit 1
fi
cat > /etc/yum.repos.d/centos.repo<<EOF
@martinsik
martinsik / MyCalendar.h
Created March 8, 2013 09:47
Example of using EventKit on iOS 6+
#import <Foundation/Foundation.h>
@interface MyCalendar : NSObject
+ (void)requestAccess:(void (^)(BOOL granted, NSError *error))success;
+ (BOOL)addEventAt:(NSDate*)eventDate withTitle:(NSString*)title inLocation:(NSString*)location;
@end
@jgranick
jgranick / MineHX.hx
Created February 7, 2012 21:24
How to switch graphics based on screen density (NME recipe)
package com.eclecticdesignstudio.minehx;
import nme.display.Sprite;
import nme.system.Capabilities;
import nme.Assets;
/**
* ...