apwan

Keybase proof

I hereby claim:

• I am apwan on github.
• I am wuyj (https://keybase.io/wuyj) on keybase.
• I have a public key ASAgLnFoCB8WAkAkPr_KCUz2keFstldIzD2iz_pFcDTb6Ao

To claim this, I am signing this object:

apwan

#!/usr/bin/env bash
# simply test localhost https, set {rejectUnauthorized: false} when make requests to bypass certificate checking

node -e 'const app=require("https-localhost")(); app.get("/", (req, res)=>{console.log(req.headers); res.send("Hello");}); app.listen(443);'

apwan

# rearrange pages
def gen(n4):
  n = n4//4
  a1 = [[4*n-2*i, 2*i+1, 2*i+2, 4*n-2*i-1] for i in range(n)]
  return [str(k) for x in a1 for k in x]

'''
Example: ','.join(gen(44))
Output: '44,1,2,43,42,3,4,41,40,5,6,39,38,7,8,37,36,9,10,35,34,11,12,33,32,13,14,31,30,15,16,29,28,17,18,27,26,19,20,25,24,21,22,23'
'''

apwan

#!/usr/bin/env bash
# batch_grading.sh for COMP3270
# by Yijie
# example: 
# (1) ZIP_DIR=folder_of_decompressed_submissions STUDENT_ROOT=output_folder PROJECT=a1 timelimit=60s ./batch_grading.sh
# (2) ./batch_grading.sh summary time_60s.txt > error_ids.txt

CMD="$0"
ZIP_DIR=${ZIP_DIR:-../a1_zip} # download all submitted files and decompress into this directory
STUDENT_ROOT=${STUDENT_ROOT:-student_code}

apwan

vicmd() {
  [ "$#" -lt 1 ] && echo "Usage: $0 [CMD_name]" >&2 && return 1;

  # check alias
  #echo "type $(type -t $1)"
  [[ "$(type -t $1)" =~ ("alias"|"builtin"|"function") ]] && echo "$1 is $(type -t $1), not a valid cmd! " >&2 && return 1
  local CMD_="$(which $1 2>/dev/null)"
  [ -x "$CMD_" ] && vi "$CMD_" || vi "$MY_SHARE_HOME/bin/$1"

}

apwan

# check if git/pypi http servers fail # crontab -e
*/20 * * * * root /usr/bin/bash -c ". ~/.bashrc; svgits.sh --check >/dev/null 2>&1"
*/30 * * * * root /usr/bin/bash -c ". ~/.bashrc; svpypis.sh --check >/dev/null 2>&1"

apwan

# source: https://superuser.com/questions/277642/how-to-merge-audio-and-video-file-in-ffmpeg

# merge with audio re-encoding
ffmpeg -i video.mp4 -i audio.wav -c:v copy -c:a aac -strict experimental output.mp4

# merge without audio re-encoding
ffmpeg -i video.mp4 -i audio.wav -c copy output.mkv

# replace audio stream
ffmpeg -i video.mp4 -i audio.wav -c:v copy -c:a aac -strict experimental \

apwan

#!/usr/bin/env python

import urllib.request
def get_img(img_src, img_name):
    contents = urllib.request.urlopen(img_src).read()
    with open(img_name, 'wb') as f
        f.write(contents)

apwan

const fs = typeof require != 'undefined'? require('fs'): {};

function catFile(path){
	return fs.readFileSync(path).toString()
}

function CSVToArray(strData, strDelimiter) {
    // Check to see if the delimiter is defined. If not,
    // then default to COMMA.
    strDelimiter = (strDelimiter || ",");

apwan

#!/usr/bin/env node
//app.js

var http = require('http');

server = http.createServer(function(req, res){
    res.writeHead(200, {'Content-Type': 'text/html'});
    res.write('<h1>Node.js</h1>');
    res.end('<p>Hello World</p>');
}).listen(process.env.PORT||4321);