Gaga Pan gaga5lala

Source : Learn to combine RxJs sequences with super intuitive interactive diagrams

Legend

Merge

Concat

Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

Stores data elements based on an sequential, most commonly 0 based, index.
Based on tuples from set theory.

	// SPDX-License-Identifier: UNLICENSED
	pragma solidity 0.8.14;

	import "https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-contracts/master/contracts/proxy/beacon/BeaconProxy.sol";
	import "https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-contracts/master/contracts/proxy/beacon/UpgradeableBeacon.sol";
	import {ImplementationV1, ImplementationV2} from "./Implementation.sol";

	contract Setup {
	address immutable public proxy1;
	address immutable public proxy2;

	# ref: https://blog.huli.tw/2017/09/03/moving-from-logdown-to-hexo/

	declare -a articles=(
	# public: "/account/posts/#{digit}-{title}"/raw
	# draft: "/account/posts/#{digit}"/raw
	"/account/posts/111111-title1/raw"
	"/account/posts/222222/raw"
	)

	declare -a unsaved_articles=()

	# reference: https://rlafranchi.github.io/2017/03/08/tree-traversal-for-rubyists/
	# http://alrightchiu.github.io/SecondRound/binary-tree-traversalxun-fang.html

	class Node
	attr_accessor :left, :right
	attr_reader :val
	def initialize(val)
	@val = val
	end
	end

	# vim ~/.zshrc
	prompt_context() {
	if [[ "$USER" != "$DEFAULT_USER" \|\| -n "$SSH_CLIENT" ]]; then
	prompt_segment black default "%(!.%{%F{yellow}%}.)$USER"
	fi
	}

	# 1. Backup image tags to text file.
	# $ docker images --format "{{.Repository}}:{{.Tag}} {{.ID}}" > img_id.txt
	#
	# 2. Execute clean-docker-for-mac script
	# $ bash clean-docker-for-mac.sh $(docker images --format "{{.ID}}" \| xargs)
	#
	# source: https://gist.github.com/MrTrustor/e690ba75cefe844086f5e7da909b35ce#file-clean-docker-for-mac-sh
	#
	# 3. Execute this script to restore tags from text file.