kfei

#!/bin/bash

docker run -it --rm --privileged --net host \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -v $PWD:$HOME/workspace \
    -v $HOME/.Xauthority:$HOME/.Xauthority \
    -e HOME=$HOME \
    -e DISPLAY=$DISPLAY \
    --entrypoint /usr/sbin/ffmpeg \
    kfei/ffmpeg $*

kfei

# File Transfer model #3
#
# In which the client requests each chunk individually, using
# command pipelining to give us a credit-based flow control.

import os
import sys
from threading import Thread

import zmq

kfei

# Use ffmpeg to decode input video (GIF in this case)
ffmpeg -i input.gif decode/%d.png

# Use ImageMagick to crop, format: (W)x(H)+(W_SFHIT)+(H_SHIFT)
# Note the {from..to..skip} usage of Bash
convert decoded/{1..759..5}.png -crop 315x172+20+40 resized/%d.png

# An resize option
# convert decoded/{1..759..5}.png -crop 315x172+20+40 -resize 30% resized/%d.png

kfei

Keybase proof

I hereby claim:

• I am kfei on github.
• I am kfei (https://keybase.io/kfei) on keybase.
• I have a public key ASBqABPMn4hnjXBn2PWO0agEIH4aBQoD7rqrykOtLG576go

To claim this, I am signing this object:

kfei

import java.io.IOException;
import java.io.InputStream;

import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;

public class Exec {

kfei

def get_interface_name
  interfaces = {}
  puts 'Valid network interfaces detected are:'
  interfaces_with_mac = `ifconfig -a | grep -i hwaddr | awk '{ if( match($1, /^eth/) ) {print $1, $5} }'`.lines.map(&:chomp)
  interfaces_with_mac.each_with_index do |x, index|
    interfaces[index] = x.split[0]
    puts "  #{index}) #{x.split[0]} ( #{x.split[1]} )"
  end

  print 'Please choose an interface to configure: '

kfei

// With naturalWidth, naturalHeight
myImage.addEventListener('onload', function() {
	console.log('My width is: ', this.naturalWidth);
	console.log('My height is: ', this.naturalHeight);
});

// Without naturalWidth, naturalHeight
function realImgDimension(img) {
    var i = new Image();
    i.src = img.src;

kfei

# Create new array
mdadm --zero-superblock /dev/sd{a,b}
mdadm -C --level 1 /dev/md1 -n 2 /dev/sda2 /dev/sdb2

# Save to mdadm.conf since it will be used in initramfs for assembling arrays
mdadm --detail --scan >> /etc/mdadm.conf

# Make new file system and then migrate data
rsync -avxHAXS -P / /mnt/md1

kfei

# -*- coding: utf-8 -*-

# Define here the models for your scraped items
#
# See documentation in:
# http://doc.scrapy.org/en/latest/topics/items.html

import scrapy

kfei

(pprof) top10
130ms of 130ms total (  100%)
Showing top 10 nodes out of 11 (cum >= 80ms)
      flat  flat%   sum%        cum   cum%
      60ms 46.15% 46.15%       60ms 46.15%  math.Sqrt
      20ms 15.38% 61.54%       80ms 61.54%  github.com/kfei/sshcam/img2xterm.cie94
      20ms 15.38% 76.92%       20ms 15.38%  runtime.usleep
      10ms  7.69% 84.62%       10ms  7.69%  retake
      10ms  7.69% 92.31%       10ms  7.69%  runtime.cas64
      10ms  7.69%   100%       10ms  7.69%  runtime.nanotime