Discover gists

Based on this blogpost.

To sign Git commits, you need a gpg key. GPG stands for GNU Privacy Guard and is the de facto implementation of the OpenPGP message format. PGP stands for ‘Pretty Good Privacy’ and is a standard to sign and encrypt messages.

Setting up

Install with Homebrew:

$ brew install gpg

Namespace

Por padrão toda biblioteca deve conter um nome padrão em seu namespace. Ex.: MinhaEmpresa.SeuNameSpace (padrão PascalCase).

Classes

As classes devem começar com letra maiúscula e para cada palavra, a primeira letra também deve ser maiúscula (padrão PascalCase).

C#

Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

General rules

Follow standard conventions.
Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
Boy scout rule. Leave the campground cleaner than you found it.
Always find root cause. Always look for the root cause of a problem.

Design rules

Some hosting providers like scaleway allows to remove the IPv4 from the VPS in order to save 1€/month but doing this will result in losing connectivity to the "IPv4 world".
Or you may have ordered a VPS that only has IPv6 connectivity and you want to access to a resource only accessible from the "IPv4 world".
Here is how to gain your access back to the "IPv4 world".

Change your name servers(s) to DNS64 name servers(s)

Note: You may deploy your own DNS64 & NAT64 server on a separate server by following this tutorial (untested): https://packetpushers.net/nat64-setup-using-tayga/.
Note²: You may find a explanation of what is NAT64 and DNS64 on Wikipedia.

Choose a/multiple DNS64 public server(s) that has/have its own NAT64 public service from this list:

SIMPLE PHP MYSQL ADMIN PANEL

https://code-boxx.com/simple-php-admin-panel/

IMAGES

NOTES

Create a database and import 1-users.sql.
Open 2-lib-admin.php, change the database settings to your own.
Access 3a-login.php. The default user is joy@doe.com, and the password is 123456.

数字

# 全て数値（全角）
/^[０-９]+$/

# 全て数値（半角）
/^[0-9]+$/

# 全て数値（全角,半角）

Create Bridge interface on the host and give internet access

sudo ip link add name br0 type bridge
sudo ip addr add 172.20.0.1/24 dev br0
sudo ip link set dev br0 up
sudo sysctl -w net.ipv4.ip_forward=1
sudo iptables --table nat --append POSTROUTING --out-interface enp3s0 -j MASQUERADE
sudo iptables --insert FORWARD --in-interface br0 -j ACCEPT

Create a tap device and link to the bridge

	const compose = (...fs) => (...args) => fs.reduce((arg, f) => f.apply(null, [].concat(arg)), args);

	const addOne = x => x + 1;
	const divide = (x, y) => x / y;

	console.log(compose(divide, addOne, addOne)(8, 2));

	#! /usr/bin/env python
	# -- coding: utf-8 --
	"""This module's docstring summary line.

	This is a multi-line docstring. Paragraphs are separated with blank lines.
	Lines conform to 79-column limit.

	Module and packages names should be short, lower_case_with_underscores.
	Notice that this in not PEP8-cheatsheet.py

	import SwiftUI
	import UniformTypeIdentifiers

	struct FileDragProvider: NSViewRepresentable {
	var filePromise: FilePromise
	var preview: PlatformImage

	class NSViewType: NSView, NSFilePromiseProviderDelegate, NSDraggingSource {
	var filePromise: FilePromise
	var preview: PlatformImage