Go in Action

出版者:Manning

作者:Brian Ketelsen

页数:300

出版时间:2015-11-26

价格:USD 39.99

装帧:平装

isbn号码:9781617291784

具体描述

Many of the normal concerns you face as an application developer are amplified by the challenges of web-scale concurrency, real-time performance expectations, multi-core support, and efficiently consuming services without constantly managing I/O blocks. Although it's possible to solve most of these issues with existing languages and frameworks, Go is designed to handle them right out of the box, making for a more natural and productive coding experience. Developed at Google for its own internal use, Go now powers dozens of nimble startups, along with name brands like Canonical, Heroku, SoundCloud, and Mozilla, who rely on highly performant services for their infrastructure.

Go in Action introduces the Go language, guiding you from inquisitive developer to Go guru. The book begins by introducing the unique features and concepts of Go. (We assume you're up to speed with another programming language already, so don't expect to spend a lot of time rehearsing stuff you already know.) Then, you'll get hands-on experience writing real-world applications including web sites and network servers, as well as techniques to manipulate and convert data at speeds that will make your friends jealous. In the final chapters, you'll go in-depth with the language and see the tricks and secrets that the Go masters are using to make their applications perform. For example, you'll learn to use Go's powerful reflection libraries and work with real-world examples of integration with C code.

作者简介

Brian Ketelsen and Erik St. Martin are the organizers of GopherCon an annual conference for Go developers and coauthors of the Go-based Skynet framework.Both Brian and Eric work with Go daily in a high-stakes production setting. William Kennedy is a seasoned software developer, author of the blog GoingGo.Net, and organizer for the Go-Miami and Miami MongoDB meetups.

目录信息

1. Introducing Go - FREE
2. Go Quick Start - AVAILABLE
3. Packaging and Tooling
4. Data Structures
5. Understanding Go's Type System
6. Putting Your Computer to Work With Concurrency
7. Using the Go Standard Library
8. Writing Network Applications in Go
9. Debugging and Testing Go Programs
10. Reflection
11. Making Your Applications More Performant
12. Interoperating with C Libraries
13. Using Go for Devops
· · · · · · (收起)

读后感

Many of the normal concerns you face as an application developer are amplified by the challenges of web-scale concurrency, real-time performance expectations, multi-core support, and efficiently consuming services without constantly managing I/O blocks. Alt...  

Many of the normal concerns you face as an application developer are amplified by the challenges of web-scale concurrency, real-time performance expectations, multi-core support, and efficiently consuming services without constantly managing I/O blocks. Alt...  

Many of the normal concerns you face as an application developer are amplified by the challenges of web-scale concurrency, real-time performance expectations, multi-core support, and efficiently consuming services without constantly managing I/O blocks. Alt...  

用户评价

坦白说，我对技术书籍的期待值通常不高，很多都是堆砌知识点，读起来味同嚼蜡。但这本书完全颠覆了我的认知。它的叙事节奏控制得极其精准，不会让人感到拖沓或信息过载。每一章的过渡都衔接得如同行云流水，仿佛有一个经验丰富的老前辈在旁边耐心地为你解疑释惑。我尤其欣赏作者对设计模式在Go语言中如何“Go语言式”地体现的探讨。它没有生搬硬套其他语言的教条，而是展现了Go如何以其简洁和高效的哲学来构建优雅的软件架构。那种对语言特性的深度挖掘和巧妙运用，让我开始反思自己过去编程习惯中的许多“旧疾”。阅读过程中，我常常需要停下来，不是因为看不懂，而是因为被某个巧妙的实现所震撼，不得不亲自敲一遍代码，感受那种流畅的执行效率。这本书对上下文切换和接口设计的论述，简直是精准打击了我代码库中一些历史遗留问题的痛点。

这本书的深度和广度令人惊叹，但最让我赞叹的是它的“人文关怀”。作者在介绍复杂的并发原语时，没有采用那种冷冰冰的数学模型描述，而是用生活化的比喻和清晰的图示，将那些看似抽象的同步机制变得可视化、可触摸。我过去在处理分布式事务或消息队列集成时，总是被竞态条件和死锁问题折磨得夜不能寐。这本书中的错误处理哲学，特别是对`defer`和`panic/recover`机制的深入剖析，提供了一种系统性的、优雅的应对方案，极大地提升了我对程序健壮性的信心。阅读过程中，我甚至觉得作者在与我进行一场深度的、不带偏见的学术探讨，他既展示了Go语言的强大能力，也坦诚地指出了其局限性，这种平衡的视角非常难得，让人感觉是在阅读一位真正掌握了这门语言的大家之作。

我是一个偏爱动手实践的工程师，纯理论对我来说就像是空中楼阁，难以落地生根。这本书的优势就在于，它从一开始就将理论与实际项目紧密结合起来。它没有冗长地铺垫那些基础到令人发指的语法，而是迅速地将我们带入构建真实世界应用的核心场景。我特别喜欢它在网络编程部分的处理方式，从TCP/IP的底层握手到HTTP/2的帧结构，讲解得层层递进，既有高度又不失细节。我曾尝试用其他教材搭建一个高性能的微服务骨架，但总感觉力不从心。自从参考这本书中的实践案例后，我发现构建和调试的效率有了质的飞跃。它提供的那套脚手架和部署思路，简直是为现代云原生环境量身定做的。读完后，我不再仅仅是“会写”Go代码，而是真正开始“理解”如何用Go来“构建”可靠、可维护的生产级系统。

这本编程领域的“圣经”着实让我眼前一亮，尤其是它那种深入骨髓的实战精神。我记得有一次，我正在为一个棘手的并发问题焦头烂额，试了各种看似高深的理论模型，结果都像是空中楼阁。后来偶然翻到书中关于Goroutines和Channels的章节，那讲解的清晰度和案例的贴切性简直是教科书级别的。它不是简单地告诉你“怎么做”，而是耐心地引导你理解“为什么这么做”。作者似乎非常懂得初学者的困惑，总能在关键时刻抛出最精辟的见解。特别是对内存管理和垃圾回收的剖析，以前那些晦涩难懂的概念，经过作者的妙手点拨，立刻变得逻辑严密、易于接受。读完那一章，我感觉自己对底层机制的理解上了一个大台阶，那种豁然开朗的体验，是很多其他资料无法给予的。那种手把手带着你构建复杂系统的感觉，让原本枯燥的理论学习过程变得像一场激动人心的冒险。

说实话，在接触这本书之前，我对Go语言的印象还停留在“简单、快速的后端胶水语言”这个层面。这本书彻底重塑了我的技术观。它不满足于教你如何写出能跑的程序，而是致力于培养你成为一个“Go范儿”的架构师。其中关于测试和性能调优的部分，简直是一本实战手册。特别是那些关于基准测试（Benchmarking）和火焰图分析的章节，让我第一次系统地理解了如何量化代码的性能瓶颈，而不是凭感觉去优化。作者在介绍工具链和生态集成时，展示了一种面向未来的开发思维，让我意识到，选择一门语言，不仅是选择语法，更是选择其背后的工具和社区哲学。这本书的内容，我敢说，足以支撑一个有经验的开发者在接下来的几年内，持续深化对高性能系统构建的理解和实践。

结构组织得还不错但是好多东西感觉都没讲透，某些语言特色夸上天了也不讲讲滥用带来的弊端。还有我想吐槽都201x年了为什么单字母变量命名法还这么流行？？！！

1-7章不错，后面感觉充数的。

內容樸實，結構簡明，節奏輕快。 要開始寫很多很多 go 了

chapter 3-6语法部分写的还是很不错的，图文并茂，对类型的实现说的也算是到位，可以加深对go类型的理解。但7-9感觉一般般吧。chapter 7中用一些图表达一下pattern效果是不是会更好呢。

前几章不错