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set http or socks proxy environment variables

# set http proxy
export http_proxy=http://PROXYHOST:PROXYPORT

# set http proxy with user and password
export http_proxy=http://USERNAME:PASSWORD@PROXYHOST:PROXYPORT

# set http proxy with user and password (with special characters)

Ruby: The future of frozen string literals

What is a literal?

In programming languages, literals are textual representations of values in the source code. This is a syntactical concept.

Some examples:

7 # integer literal

Activate Windows 8, 8.1, 10 and 11 Pro for Free

A guide how to get and activate Windows 8, 8.1, 10 and 11 Pro for free!

NOTE

If you see the Windows keyboard button in this guide; and you can't find it on your keyboard, you likely have/had Windows 10 which has the button . If you can't find that one, you likely have a PC that has been upgraded to Windows 8/8.1/10/11 from Windows 8.1/8/7/Vista/XP and other ones. If you have one of those, refer the Windows key button to as yours. A list of them is below:

Windows key buttons

- Windows 11

- Windows 10

Soft hack to open telnet

You need gateway 3(mgl03) connected to MiHome. And also ip and gateway token.

1 way (recommended)

Via XiaomiGateway3 component.

You must input in the 'Open Telnet command' field(as it is without changing anything):

{"method":"set_ip_info","params":{"ssid":"\"\"","pswd":"123123 ; passwd -d admin ; echo enable > /sys/class/tty/tty/enable; telnetd"}}

Linux 命令行编辑快捷键

初学者在Linux命令窗口（终端）敲命令时，肯定觉得通过输入一串一串的字符的方式来控制计算是效率很低。但是Linux命令解释器（Shell）是有很多快捷键的，熟练掌握可以极大的提高操作效率。下面列出最常用的快捷键，这还不是完全版。

命令行快捷键：
- 常用：
  - Ctrl L ：清屏
Ctrl M ：等效于回车



	## Different ways to Sort
	# ========================

	# a) via Array class and the .Sort() method
	# b) via LINQ and the OrderBy() method
	# c) via the Sort-Object function
	# d) via Comparer class for
	# d1) List & SortedSet

	REM Delete eval folder with licence key and options.xml which contains a reference to it
	for %%I in ("WebStorm", "IntelliJ", "CLion", "Rider", "GoLand", "PhpStorm", "Resharper", "PyCharm") do (
	for /d %%a in ("%USERPROFILE%\.%%I*") do (
	rd /s /q "%%a/config/eval"
	del /q "%%a\config\options\other.xml"
	)
	)

	REM Delete registry key and jetbrains folder (not sure if needet but however)
	rmdir /s /q "%APPDATA%\JetBrains"

	# CLI
	sudo apt update -y
	sudo apt install -y \
	git curl btop \
	docker.io docker-buildx \
	build-essential pkg-config autoconf bison rustc cargo clang \
	libssl-dev libreadline-dev zlib1g-dev libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev libjemalloc2 \
	libvips imagemagick libmagickwand-dev mupdf mupdf-tools \
	redis-tools sqlite3 libsqlite3-0 libmysqlclient-dev \
	rbenv apache2-utils

	# coding=utf-8

	import logging

	def rewrite_wait_to_busy(comm_instance, line, args, *kwargs):
	if line == "wait" or line.startswith("wait"):
	return "echo:busy processing"
	else:
	return line