Yevhen Matasar matasarei

Live coding: Simple User Management System

Suggested level: Middle

Task Overview: Building a Simple User Management System

The challenge is divided into three steps, each increasing in complexity. The goal is to evaluate problem-solving skills, OOP understanding, and ability to refactor code.

Step 1

git clone https://github.com/php/php-src.git
cd php-src

./buildconf

./configure \
  --prefix=/opt/php/dev \
  --enable-cli \
  --enable-fpm \

HOWTO: Switch layout with Super + Space and fix keyboard layout lag on Juno

sudo wget https://gist.githubusercontent.com/matasarei/579991cfab9f5e7f966c7a424e5fa4c3/raw/87037b9776a86ffd3dd2b32432bed9d5509da2d8/switch-layout.sh -O /usr/bin/switch-layout
sudo chmod +x /usr/bin/switch-layout
Go to keyboard settings
Add custom keyboard shortcut switch-layout and set any combination, like Super + Spase.

HOWTO: replace protected codesign file (or any other system file)

Reboot in recovery mode (poweroff, hold Command + R and powerup)
Open terminal
Mount disk in write mode

mount -uw /

HOWTO: Setup OpenWRT (LEDE) WiFi repeater

First of all, you need to install relayd package:

opkg install relayd
/etc/init.d/relayd enable

Edit DHCP configuration

file: /etc/config/dhcp

HOWTO: Use diff MS Office versions on same system

Install MS Office from oldest to newest versions.
Run Office apps you want to use by default.
Run next command to prevent MS Office run configuration scipts (for each installed version):

reg add HKCU\Software\Microsoft\Office\<office version>\Word\Options /v NoReReg /t REG_DWORD /d 1

Replace `` with next values:

Easy way to set up personal home FTP server with OpenWRT (LEDE) router

You will need:

Router with USB port;
OpenWRT or LEDE (recommended) firmware;
USB stick or USB hard drive.

Install USB support packages

opkg update
opkg install kmod-usb-ohci kmod-usb2 usbutils kmod-usb-storage kmod-fs-ext4 block-mount

	# The general procedure here is adapted from the 7->8 guide here. https://www.tecmint.com/upgrade-centos-7-to-centos-8/
	#
	# It is a curated list of my bash history. I entered other commands so hopefully I got the right ones here.

	yum upgrade
	reboot
	dnf install epel-release
	dnf install rpmconf
	dnf install yum-utils
	rpmconf -a # answer "n" to both things

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	$(window).on('scroll resize', () => {
	const scrollTop = $(window).scrollTop();

	if (scrollTop > offsetTop) {
	panel.css({
	'position': 'absolute',