Skip to content

Instantly share code, notes, and snippets.

View leepro's full-sized avatar
🏠
Working from home

DW Lee leepro

🏠
Working from home
View GitHub Profile
@leepro
leepro / graceful.go
Created November 15, 2018 06:33 — forked from peterhellberg/graceful.go
*http.Server in Go 1.8 supports graceful shutdown. This is a small example.
package main
import (
"context"
"log"
"net/http"
"os"
"os/signal"
"time"
)
@leepro
leepro / ARMDebianUbuntu.md
Created August 2, 2018 04:07 — forked from Liryna/ARMDebianUbuntu.md
Emulating ARM on Debian/Ubuntu

You might want to read this to get an introduction to armel vs armhf.

If the below is too much, you can try Ubuntu-ARMv7-Qemu but note it contains non-free blobs.

Running ARM programs under linux (without starting QEMU VM!)

First, cross-compile user programs with GCC-ARM toolchain. Then install qemu-arm-static so that you can run ARM executables directly on linux

@leepro
leepro / default.conf
Created May 8, 2018 20:22 — forked from flox1an/default.conf
nginx config that uses the oauth2-proxy (via auth_request) to authenticate against gitlab and then proxies all requests to a backend service while setting the auth headers X-User and X-Email
server {
listen 80;
server_name localhost;
location /oauth2/ {
proxy_pass http://oauth-proxy:4180;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Scheme $scheme;
proxy_set_header X-Auth-Request-Redirect $request_uri;
@leepro
leepro / stream_to_youtube.sh
Created April 25, 2018 01:01 — forked from olasd/stream_to_youtube.sh
Stream video to youtube via ffmpeg
#! /bin/bash
#
# Diffusion youtube avec ffmpeg
# Configurer youtube avec une résolution 720p. La vidéo n'est pas scalée.
VBR="2500k" # Bitrate de la vidéo en sortie
FPS="30" # FPS de la vidéo en sortie
QUAL="medium" # Preset de qualité FFMPEG
YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2" # URL de base RTMP youtube
@leepro
leepro / stream_to_youtube.sh
Created April 25, 2018 01:01 — forked from olasd/stream_to_youtube.sh
Stream video to youtube via ffmpeg
#! /bin/bash
#
# Diffusion youtube avec ffmpeg
# Configurer youtube avec une résolution 720p. La vidéo n'est pas scalée.
VBR="2500k" # Bitrate de la vidéo en sortie
FPS="30" # FPS de la vidéo en sortie
QUAL="medium" # Preset de qualité FFMPEG
YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2" # URL de base RTMP youtube
@leepro
leepro / stream_to_youtube.sh
Created April 25, 2018 01:01 — forked from olasd/stream_to_youtube.sh
Stream video to youtube via ffmpeg
#! /bin/bash
#
# Diffusion youtube avec ffmpeg
# Configurer youtube avec une résolution 720p. La vidéo n'est pas scalée.
VBR="2500k" # Bitrate de la vidéo en sortie
FPS="30" # FPS de la vidéo en sortie
QUAL="medium" # Preset de qualité FFMPEG
YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2" # URL de base RTMP youtube
@leepro
leepro / reader.go
Created February 28, 2018 18:27 — forked from jedy/reader.go
processes communicate with shared memory in golang
package main
// #include <stdlib.h>
// #include "wrapper.c"
import "C"
import "unsafe"
import "fmt"
func read(filename string) string {
f := C.CString(filename)
@leepro
leepro / Global keyboard hook for OSX
Created February 26, 2018 19:45 — forked from quietcricket/Global keyboard hook for OSX
OSX global keyboard hook. Requires root privileges.
// alterkeys.c
// http://osxbook.com
//
// Complile using the following command line:
// gcc -Wall -o alterkeys alterkeys.c -framework ApplicationServices
//
// You need superuser privileges to create the event tap, unless accessibility
// is enabled. To do so, select the "Enable access for assistive devices"
// checkbox in the Universal Access system preference pane.
@leepro
leepro / latency.txt
Created January 23, 2018 23:33 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers
--------------------------
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
@leepro
leepro / latency.txt
Created January 23, 2018 23:33 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers
--------------------------
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