siscia

User authentication system

Your task is now to create a user authentication system.

This document will guide you through all the features and implication of such system, so that you don't have to search them yourself.

We will focus on web/browser-technologies, however similar concept can be widely applied. This guide, is a work in progress, feel free to comment and provide feedbacks.

Expected Workflows

cb372

(This is a translation of the original article in Japanese by moratorium08.)

(UPDATE (22/3/2019): Added some corrections provided by the original author.)

Writing your own OS to run on a handmade CPU is a pretty ambitious project, but I've managed to get it working pretty well so I'm going to write some notes about how I did it.

justinian

x64 NASM cheat sheet

Registers

	64 bit	32 bit	16 bit	8 bit
A (accumulator)	RAX	EAX	AX	AL
B (base, addressing)	RBX	EBX	BX	BL
C (counter, iterations)	RCX	ECX	CX	CL
D (data)	RDX	EDX	DX	DL

baymaxium

原文：CSDN大数据

本文来自作者在GitChat（ID：GitChat_Club）上的精彩分享，CSDN独家合作发布。

申明：本文旨在为普通程序员（Java程序员最佳）提供一个入门级别的大数据技术学习路径，不适用于大数据工程师的进阶学习，也不适用于零编程基础的同学。

前言

baymaxium

原文：Docker

现在网络上流传很多Kubernetes的部署和搭建的文档，其中比较出名就是Kubernetes The Hard Way

（https://github.com/kelseyhightower/kubernetes-the-hard-way），还有基于这个翻译和衍生的版本follow-me-install-kubernetes-cluster

（https://github.com/opsnull/follow-me-install-kubernetes-cluster），这两篇文章带我走过了Kubernetes的搭建的童年，我第一搭建成功就是抄袭的张俊的follow-me-install-kubernetes-cluster，然后随着新版的发展，越来越多的配置参数存在各种各样的问题，最大的问题是在CNI产生后，两篇文章的配置参数和系统默认或者CNI配置参数有稍微的冲突导致很多人在利用CNI做网络方案的时候会出现很多问题，这篇文章目的第一是向两位前辈致敬，第二是共享下在Flanneld和Calico部署过程中遇到挫折和问题。

andigu

import React, {Component} from "react";
import {Animated, Dimensions, Platform, Text, TouchableOpacity, View} from "react-native";
import {Body, Header, List, ListItem as Item, ScrollableTab, Tab, TabHeading, Tabs, Title} from "native-base";
import LinearGradient from "react-native-linear-gradient";

const {width: SCREEN_WIDTH} = Dimensions.get("window");
const IMAGE_HEIGHT = 250;
const HEADER_HEIGHT = Platform.OS === "ios" ? 64 : 50;
const SCROLL_HEIGHT = IMAGE_HEIGHT - HEADER_HEIGHT;
const THEME_COLOR = "rgba(85,186,255, 1)";

geoffreydhuyvetters

What is React Fiber? And how can I try it out today?

what?

React Fiber is an ongoing reimplementation of React's core algorithm. It is the culmination of over two years of research by the React team.

• Andrew Clark: What's Next for React — ReactNext 2016
• React Fiber Architecture

why?

jeffkreeftmeijer

require 'socket'
require 'rack'
require 'rack/lobster'

app = Rack::Lobster.new
server = TCPServer.new 5678

while session = server.accept
  request = session.gets
  puts request

alekseykulikov

Recently CSS has got a lot of negativity. But I would like to defend it and show, that with good naming convention CSS works pretty well.

My 3 developers team has just developed React.js application with 7668 lines of CSS (and just 2 !important). During one year of development we had 0 issues with CSS. No refactoring typos, no style leaks, no performance problems, possibly, it is the most stable part of our application.

Here are main principles we use to write CSS for modern (IE11+) browsers:

• SUIT CSS naming conventions + SUIT CSS design principles;
• PostCSS + CSSNext. Future CSS syntax like variables, nesting, and autoprefixer are good enough;
• Flexbox is awesome. No need for grid framework;
• Normalize.css, base styles and variables are solid foundation for all components;

alanthird

"use strict";

function lexer(input) {
  let pos = 0

  /* A couple of functions to help us grab the characters. */
  function next() {
    if (pos < input.length) {
      return input.charAt(pos++)
    }