2014-09-22 Kun Ren
Twelve days after the initial commit, pipeR tutorial is released! If you want to write R code fluently and process data elegantly, I strongly recommend that you read this tutorial which is designed to serve as a complete guide to pipeR package, including how it works with dplyr, rlist, and rvest with vivid examples. 继续阅读 »
2014-05-31 Kun Ren
Gitbook is rather a relatively new concept on the web. It provides a user-friendly framework for authors to write and produce online books with beautiful illustrations and responsive interactions. It allows authors to write in Markdown syntax, which is very easy to learn and use, so that they can focus more on the cont 继续阅读 »
2016-11-24 demon7452
Creature Mod Tutorial 1 - "Creating a Mod" In this tutorial we're going to learn how to create our very own mod for 'Don't Starve'. Mods are a way for players to add their own content to the game. Creating a mod is really easy. All we need is two files and a folder and we're good to go. Let's get started! 继续阅读 »
2017-02-01 张炎泼
文字版: Erasure-Code: 工作原理, 数学解释, 实践和分析 more 继续阅读 »
2017-02-01 张炎泼
mdtoc start 内容简介 分布式系统的可靠性问题: 冗余和多副本 EC的基本原理 栗子🌰1: 实现k+1的冗余策略, 大概需要小学3年级的数学知识 栗子🌰2: 实现k+m的冗余策略, 大概需要初中2年级的数学知识 增加1个校验块, 变成k+2 实现k+m 的冗余 EC编码矩阵的几何解释 k=2, 为2个数据块生成冗余校验块 k=3, 4, 5...时的数据块的冗余 通过高次曲线生成冗余数据 从曲线方程得到的系数矩阵 EC解码过程: 求解n元一次方程组 [Vandermonde] 矩阵保证方程组有解 新世界: 伽罗华域 [Galois-Field] GF(7) EC在计算机里的实现: 基于 伽罗华域 [Galois-Fiel 继续阅读 »
2016-07-26 令狐葱
前言 在上一篇文章中,葱哥从零开始创建了一个react的boilerplate,并使用webpack进行build,使其支持ES6,同时使用karma+mocha等进行单元测试。虽然单元测试有了,但是代码中哪些写了测试,哪些没写呢?本文就将在上一篇文章的基础上为其增加生成代码覆盖率的功能。 代码 本文的最终代码可以在react_boilerplate_v8中查看。 准备工作 react boilerplate代码 首先拿到上一篇文章的代码: ``` git clone https://github.com/jiji262/react_boilerplate.git cd tutorial/react_boilerp 继续阅读 »
2016-06-28 zzyhappyzzy
本文主要记录下常用的IOS学习资源 more 网站列表 文章 英文 objc.io iOS Goodies NSHipster Ray Wenderlich Apple's Swift Blog AppCoda IOSDevWeekly Medium Ry's Cocoa Tutorial NSScreencast Use Your Loaf OleBegemann little bites of cocoa Toptal 中文 objc.io Cocoa China Code4App 文档 Apple Developer 社区 Stackoverflow 源码 Github 算法 Codefights 视频 继续阅读 »
2016-04-11 Renfei Yu
Push 推送技术说明 [TOC] Java NIO 使用说明 参考资料 Java NIO Tutorial 简介 Java NIO (New IO) is an alternative IO API for Java (from Java 1.4), meaning alternative to the standard Java IO and Java Networking API's. Java NIO offers a different way of working with IO than the standard IO API's. 继续阅读 »
2017-02-15 Lu Huang
来源于 tensorflow.org,源码在 这里。这是为 TensorFlow 和机器学习初学者定制的 tutorial。 继续阅读 »