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More #pixelblog‘ing - today wotking on fixing all the semi-hardcoded paths an moving them to config.php

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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)```

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他来了，他来了，GopherChina 2022 带着邀请走来了

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一年一度的 GopherChina 大会 is coming～

GopherChina 2022 今年举办地依旧选在了我们的首都北京，大会现场还是那个熟悉的地方

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时间：北京市海淀区丰智东路 13 号 (朗丽兹西山花园酒店)
地点：2022.06.11 - 2022.06.12

选址虽然还是那个老地方，但是近几年，Go … ⌘ Read more

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[47°09′04″S, 126°43′13″W] Dosimeter fixed

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Netflix Raises Monthly Subscription Prices in US, Canada
Netflix has raised its monthly subscription price by $1 to $2 per month in the United States depending on the plan, the company said on Friday, to help pay for new programming to compete in the crowded streaming TV market. From a report: The standard plan, which allows for two simultaneous streams, now costs $15.49 per month, up from $13.99, in the Unite … ⌘ Read more

[47°09′13″S, 126°43′23″W] Transponder still failing

GoCN 每日新闻（2022-01-14）

1. 《Go 组件设计与实现》-netpoll 的总结https://www.cnblogs.com/codexiaoyi/p/15798780.html
   
2. Uber 對 Golang GC 的調整https://blog.gslin.org/archives/2022/01/13/10503/uber-%e5%b0%8d-golang-gc-%e7%9a%84%e8%aa%bf%e6%95%b4/
   
3. 基于 etcd 实现大规模服务治理应用实战https://mp.weixin.qq.com/s/zOZrCNZ9X6IyKxzRMeReWg
   
4. 勒索软件正在用 Go 重写，用于联合攻击 Window … ⌘ Read more

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Top-rated entries from Game Off 2021
Here are the top games created in our annual game jam as rated and reviewed by the developers that made them. Game On! 🤘🏻 ⌘ Read more

How five open source communities are using GitHub Discussions
From answering questions about a new release to fielding feature requests, here’s how five open source communities use GitHub Discussions. ⌘ Read more

** ** ⌘ Read more

The Open Source Software Security Summit: securing the world’s code together
My colleague Stormy Peters and I are proud to represent GitHub at the White House’s Open Source Software Security Summit to share how securing open source begins by empowering developers. ⌘ Read more

GoCN 每日新闻 (2022-01-13)
GoCN 每日新闻 (2022-01-13)

1. Golang《基于 MIME 协议的邮件信息解析》部分实现https://gocn.vip/topics/20948
   
2. 泛型可以拯救 Golang 笨拙的错误处理吗？https://blog.dnmfarrell.com/post/can-generics-rescue-golangs-clunky-error-handling/
   
3. 更多的并行,并不等同更高的性能https://convey.earth/conversation?id=44
   
4. 为什么 Go 有两种声明变量的方式,有什么区别,哪种好？ [https://mp.weixin.qq.com/s/ADwEhSA1kFOFqzIyWvAqsA](https://mp.weixin.q … ⌘ Read more

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Dilbert by Scott Adams for Thu, 13 Jan 2022

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GoCN 每日新闻 (2022-01-08)

1. Go 1.17.6/1.16.13 版本发布https://groups.google.com/g/golang-announce/c/95ZD3rKn4DI/m/93cyN8F1BAAJ
   
2. 高效的 Go 错误处理https://earthly.dev/blog/golang-errors/
   
3. 从零实现一个 RedisClient 了解 Redis 协议https://mauricio.github.io/2022/01/07/redis-protocol.html
   
4. Golang 简洁架构实战[https://zh … ⌘ Read more

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[47°09′13″S, 126°43′01″W] Not enough data – sampling finished

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「央视网」武汉洪山关山哪 sn《手机新浪网》
武汉洪山关山哪 sn[電维√I73-433O-3I64√]，更多关于武汉洪山关山哪 sn 资讯如下：
B 集团持有的 2.06 亿股股份将被解禁，解禁市值超 120 亿元。在此之前，“公募一哥” 张坤已于近期大规模减持其股份。
这一减持数据的披露源自于 12 月 14 日苏泊尔发布的 “每股 1 元” 的股权激励计划。按照最新发布数据，截至 12 月 13 日，张坤管理的易方达优质精选已不在苏 … ⌘ Read more

「2021 央视新闻」武汉汉口武昌哪家喝茶吧 sn《手机搜狐网》
武汉汉口武昌哪家喝茶吧 sn[十维√I73-433O-3I64√]，更多关于武汉汉口武昌哪家喝茶吧 sn 资讯如下：

丰园二期临时核酸采样点。
12 月 16 日，08：00 小区楼下菜市场、家生活超市（长丰园店）。
12 月 17 日，02：00 被管控。
确诊病例 4 张某
12 月 10 日—11 日，偶尔在雁塔区便民菜市场及附近店铺购物。
12 月 12 日，13：30—15：00，文艺路珠�� … ⌘ Read more

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GitHub’s response to Log4j vulnerability CVE-2021-44228
On Thursday, December 9, 2021, GitHub was made aware of a vulnerability in the Log4j logging framework, CVE-2021-44228. ⌘ Read more

What’s new from GitHub Changelog? November 2021 recap
We shipped a ton of updates in November, from the push notification for PR review activities on the go, to an easy way to create Markdown links. ⌘ Read more

GitHub at the UN Internet Governance Forum
Last week, GitHub joined the Internet Governance Forum to spread awareness of developers’ initiatives and public policy interests. ⌘ Read more

GoCN 每日新闻（2021-12-13）
GoCN 每日新闻（2021-12-13）

1. 尝鲜 Go 1.18 范型版本的 map 和 slice！https://juejin.cn/post/7040800455349239822
   
2. Go 实现可序列化的 Roaring Bitmapshttps://dgraph.io/blog/post/serialized-roaring-bitmaps-golang/
   
3. Go 使用 Github Actions 做 CI[https://www.alexedwards.net/blog/ci-with-go-and-github-actions](https://www.alexedwards.net/blog/ci-with-go-and-github … ⌘ Read more

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Dilbert by Scott Adams for Mon, 13 Dec 2021

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[47°09′03″S, 126°43′13″W] Transfer aborted

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[47°09′13″S, 126°43′03″W] Automatic systems disengaged due to blizzard

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[47°09′55″S, 126°43′13″W] Transponder malfunction

[47°09′15″S, 126°43′13″W] Storm recedes – back to normal work

「央视网」武汉洪山哪家品茶安排_搜狐网
武汉洪山哪家品茶安排 [十叩√2655IO99OI√]，更多关于武汉洪山哪家品茶安排资讯如下：
印尼塞梅鲁火山喷发 # 浓烟冲上万米高空,12 月 4 日，印度尼西亚塞梅鲁火山剧烈喷发。火山灰冲上万米高空，遮天蔽日。当地官员表示，火山喷发已致 13 死 41 伤。数千居民被紧急疏散，当地还降下暴雨，形成火山泥流淹没道路。 ⌘ Read more

[47°09′13″S, 126°43′03″W] Transponder jammed

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[47°09′13″S, 126°43′38″W] Weather forecast alert – storm from S

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[47°09′13″S, 126°43′42″W] Bad satellite signal – switching to analog communication

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I missed the exact day, but now it’s been over a year since I switched to my completely custom blogging system. And still I am very happy with it! It has all the features I need, and if I have a new idea, I can usually implement it quickly right away. ⌘ Read more

Nobody can deny that the year will soon be over… ⌘ Read more

On the blog: Free Culture Book Club — if then else, part 1 https://john.colagioia.net/blog/2021/11/13/else.html #freeculture #bookclub

Dilbert by Scott Adams for Sat, 13 Nov 2021

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[47°09′13″S, 126°43′21″W] Working impossible due to thunderstorm

[47°09′13″S, 126°43′58″W] Working impossible due to blizzard

[47°09′13″S, 126°43′00″W] Resetting dosimeter

[47°09′15″S, 126°43′13″W] Automatic systems disengaged due to heavy rain

13 short and scary games plus source to play (or hack) this Halloween 🎃
It’s that time of year again where I like to share seasonally spooktacular games plus source code—a goldmine of material for (a) those looking for coffee-break entertainment, (b) those interested in learning more about game ⌘ Read more

[47°09′13″S, 126°43′04″W] Wind speed: 42kph – batteries low

Apple Event for 18 October 2021, 10:00 PDT, 13:00 EDT begins. Commentary will stream as replies to this twt. I might miss things here and there, as I will also be on a work meeting from 13:00 to 14:00 EDT.

Sometimes I am a perfectionist. Having previously made my private diary blog available via a Tailscale sidecar container in my Tailnet, I have now integrated Tailscale directly into GoBlog. Both Tailscale and Tailscale’s Let’s Encrypt certificates can be configured directly in GoBlog. No sidecar container is needed anymore. A much simpler solution! (And Tailscale rocks!) ⌘ Read more

On the blog: Using git to Count Changed Words https://john.colagioia.net/blog/2021/10/13/words-changed.html #programming #techtips #blog #git

Dilbert by Scott Adams for Wed, 13 Oct 2021

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[47°09′13″S, 126°43′54″W] Reading: 1.81 Sv

13 tiny and terrific entries from the js13kGames competition
If you think about it, 13kB isn’t really a lot. The image above is 81kB. This page weighs over 3MB (waaay more if you include the videos). That’s why it’s so incredibly impressive that the ⌘ Read more

[47°09′13″S, 126°43′48″W] Reading: 0.37000 PPM

[47°09′14″S, 126°43′13″W] Storm recedes – back to normal work