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Bookarmarked : 8 ways to speed up your Ansible playbooks | Enable Sysadmin ⌘ Read more

从 CPU 角度理解 Go 中的结构体内存对齐
大家好，我是 Go 学堂的渔夫子。今天跟大家聊聊结构体字段内存对齐相关的知识点。

原文链接： https://mp.weixin.qq.com/s/H3399AYE1MjaDRSllhaPrw

大家在写 Go 时有没有注意过，一个 struct 所占的空间不见得等于各个字段加起来的空间之和，甚至有时候把字段的顺序调整一下，struct 的所占空间又有不同的结果。

本文就从 cpu 读取内存的角度来谈谈内存对齐的原理。

01 结构体字段对齐示例

我们先从一个示例开始。T1 结构体，共有 3 个字段，类型分别为 int8,int64,int32。所以变量 t1 所属的类型占用的空间应该是 1+8+4=13 字节。但运行程序后，实际上是 24 字节。和我们计算的 13 字节不一样啊。如果我们把该结构体的字段调整成 T2 那样，结果是 16 字节。但和 13 字节还是不一样。这是为什么呢？

”`
type T1 struct {

f1 int8  // 1 byte
f2 int64 // ... ⌘ [Read more](https://gocn.vip/topics/20967)```

Anyone seen a pixel-addressed display (any tech; lcd, eink, oled, whatever) in the range of 8”x1”?

How to convert USB webcams to HDMI
There are a handful of interesting USB webcams out there, which naturally work great with a computer. But what if you want to combine video from a USB webcam with your HDMI cameras in a video switcher like the ATEM Mini? ⌘ Read more

v2.8.0 ⌘ Read more

v2.8.0 ⌘ Read more

潘娟：Keep open，Stay tuned 开源为我打开的全新世界 | TiDB Hackathon 2021 评委访谈
距离 2022.1.8-9 比赛日，已不到两周时间，想必各位参赛选手已经摩拳擦掌，开始准备自己的项目了。\
在等待最终比赛日的这段时间，TiDB 社区采访了本届 Hackathon 中的一位女性评委，她在数据库领域中耕耘多年，从 DBA 到创业者，具有着传奇色彩的人生经历。\
我们通过访谈记录了她对开源的理解与感悟，同时探讨 Hackathon 活动的� … ⌘ Read more

GinAdmin 后台管理模板

这个项目是以 Gin 框架为基础搭建的后台管理平台，虽然很多人都认为 go 是用来开发高性能服务端项目的，但是也难免有要做 web 管理端的需求，总不能再使用别的语言来开发吧。所以整合出了 GinAdmin 项目，请大家多提意见指正！欢迎 star ⭐⭐

Image

Image

• golang > 1.8
  
• Gin
  
• BootStrap
  
• LayUi
  
• WebUpload
  
• [Light Year Admin Using Ifra … ⌘ Read more

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More than 8 hours until midnight and some people are already lighting firecrackers. And this although there is an extra ban on the sale of firecrackers and fireworks because of Corona. 🤦‍♂️ ⌘ Read more

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GoCN 每日新闻 (2021-12-26)

1. Go 泛型的 facilitator 模式https://rakyll.org/generics-facilititators
   
2. Go 1.18 泛型: 好的、坏的、丑的https://itnext.io/golang-1-18-generics-the-good-the-bad-the-ugly-5e9fa2520e76
   
3. Go 调试器发布 Delve 1.8.0 版本，支持 1.18 泛型调试https://github.com/go-delve/delve/releases/tag/v1.8.0
   4 … ⌘ Read more

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The effect of large-scale anti-contagion policies on the COVID-19 pandemic | Nature ⌘ Read more

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GoCN 每日新闻（2021-12-15）
GoCN 每日新闻（2021-12-15）

1. Go 1.18beta1https://go.dev/blog/go1.18beta1
   
2. Go 中易于使用的 Raft 库，使您的应用程序具有分布式、高可用性和容错性https://github.com/ksrichard/easyraft
   
3. Go 实现的开源的、不可变的数据库 immudbhttps://github.com/codenotary/immudb/tree/v1.2.1
   
4. Rust vs Go：你应该知道的 8 大核心 … ⌘ Read more

蚂蚁 - 可信原生技术部 - 专用编程语言设计研发 (杭州 P7-8)

1. 从事云原生配置策略语言的设计研发工作，服务云原生基础设施管理场景
   
2. 从事区块链智能合约专用编程语言的设计及研发工作，服务区块链链智能合约场景
   
3. 深度参与开源社区项目
   

1. 熟练掌握 rust、golang、c/c++、java、python 中的一种或多种
   
2. 熟悉现代编程语言设计理念、技术及研发体系，熟悉编译技术�� … ⌘ Read more

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