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@ocean90
ocean90 / box-shadow.html
Last active September 3, 2024 16:56
CSS3 Box Shadow, only top/right/bottom/left and all
<!DOCTYPE html>
<html>
<head>
<title>Box Shadow</title>
<style>
.box {
height: 150px;
width: 300px;
margin: 20px;
@diorahman
diorahman / client.html
Created December 26, 2011 03:34
Ajax, call jQuery POST to node.js expressjs
<html>
<head>
<title>jsonp test</title>
<script src="http://code.jquery.com/jquery-1.6.2.min.js"></script>
<script type="text/javascript">
$(function(){
$('#select_link').click(function(e){
e.preventDefault();
console.log('select_link clicked');
@earthgecko
earthgecko / bash.generate.random.alphanumeric.string.sh
Last active November 9, 2024 08:57
shell/bash generate random alphanumeric string
#!/bin/bash
# bash generate random alphanumeric string
#
# bash generate random 32 character alphanumeric string (upper and lowercase) and
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1
@nirenjan
nirenjan / bishop.c
Created January 4, 2013 06:34
Simulate a drunken bishop walk to produce OpenSSL random art.
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#define XLIM 17
#define YLIM 9
#define ARSZ (XLIM * YLIM)
#define DEBUG 0
@etes
etes / pi_mount_usb.md
Last active September 2, 2024 15:02
How to setup mount / auto-mount USB Hard Drive on Raspberry Pi

How to setup mount / auto-mount USB Hard Drive on Raspberry Pi

Follow the simple steps in the order mentioned below to have your USB drive mounted on your Raspberry Pi every time you boot it.

These steps are required especially if your are setting up a Samba share, or a 24x7 torrent downloader, or alike where your Raspberry Pi must have your external storage already mounted and ready for access by the services / daemons.

Step 0. Plug in your USB HDD / Drive to Raspberry Pi If you are using a NTFS formatted drive, install the following

@jgravois
jgravois / _webserver.md
Last active November 17, 2024 12:32
a simple guide for getting a local web server set up

Do I have a web server running?


having a web server turned on doesn't necessarily mean you are serving pages on the world wide web. its what allows you to load your own static files (.html, .js etc.) in a browser via http://.

if you're not sure whether or not you have a web server running, no problem! its easy to confirm.

what happens when you visit http://localhost/?

@AgentOak
AgentOak / youtube_formats.md
Last active November 15, 2024 12:26
Youtube Format IDs

Last updated: April 2021

Also known as itag or format codes and way back they could be specified with the fmt parameter (e.g. &fmt=22). Depending on the age and/or popularity of the video, not all formats will be available.

DASH video

Resolution AV1 HFR High AV1 HFR AV1 VP9.2 HDR HFR VP9 HFR VP9 H.264 HFR H.264
MP4 MP4 MP4 WebM WebM WebM MP4 MP4
@wildrun0
wildrun0 / compile-ffmpeg.sh
Last active May 23, 2024 09:36
Compiling ffmpeg for Raspberry Pi 4 (script only works fine on RPi OS 32bit). x64 does not support mmal (see https://github.com/raspberrypi/userland/issues/688)
#!/bin/bash
# Note that there's no libdrm because this lib cause errors
sudo apt update -y && sudo apt upgrade -y
sudo apt-get -y install \
autoconf \
automake \
build-essential \
@karolzlot
karolzlot / tqdm_cpu_ram.py
Last active November 12, 2024 04:02
Monitoring real time cpu and ram usage with tqdm. If you like it please upvote this answer: https://stackoverflow.com/a/69511430/8896457
from tqdm import tqdm
from time import sleep
import psutil
with tqdm(total=100, desc='cpu%', position=1) as cpubar, tqdm(total=100, desc='ram%', position=0) as rambar:
while True:
rambar.n=psutil.virtual_memory().percent
cpubar.n=psutil.cpu_percent()
rambar.refresh()
cpubar.refresh()