golang - 随笔分类(第13页) - papering

摘要：入 Go 必读：大型Go工程的项目结构及实战思考原创毛剑 QCon 今天阅读全文

posted @ 2020-01-08 23:17 papering 阅读(828) 评论(0) 推荐(0)

https://github.com/golang/go/wiki/CommonMistakes

摘要：CommonMistakes https://golang.org/doc/faq#closures_and_goroutines Why is there no goroutine ID? ¶ Goroutines do not have names; they are just anonymou 阅读全文

posted @ 2020-01-08 23:16 papering 阅读(498) 评论(0) 推荐(0)

goroutines inside of goroutines

摘要：goroutines inside of goroutines 阅读全文

posted @ 2020-01-08 15:16 papering 阅读(179) 评论(0) 推荐(0)

Advanced Go Concurrency Patterns

摘要：https://talks.golang.org/2013/advconc.slide#5 It's easy to go, but how to stop? Long-lived programs need to clean up. Let's look at how to write progr 阅读全文

posted @ 2019-12-25 19:15 papering 阅读(314) 评论(0) 推荐(0)

Go Concurrency Patterns: Pipelines and cancellation

摘要：https://go.dev/blog/pipelines Go Concurrency Patterns: Pipelines and cancellation Sameer Ajmani13 March 2014 Introduction Go's concurrency primitives 阅读全文

posted @ 2019-12-25 17:41 papering 阅读(242) 评论(0) 推荐(0)

Go Concurrency Patterns: Context At Google, we require that Go programmers pass a Context parameter as the first argument to every function on the call path between incoming and outgoing requests.

摘要：小结： 1、 Background is the root of any Context tree; it is never canceled: 2、 https://blog.golang.org/context Sameer Ajmani29 July 2014 Introduction In 阅读全文

posted @ 2019-12-25 15:47 papering 阅读(331) 评论(0) 推荐(0)

Select 并发阻塞心跳不能被垃圾回收 Ticker cannot be recovered by the garbage collector channel 通道

摘要：tick := time.NewTicker(4000 * time.Millisecond) select { case i := <-data2send: log.Println(i) s := convertMsg(i) producer.Produce(&kafka.Message{ Top 阅读全文

posted @ 2019-12-24 17:02 papering 阅读(424) 评论(0) 推荐(0)

Go1.13 标准库的 http 包爆出重大 bug，你的项目中招了吗？原创：王亚楼 Go语言中文网今天

摘要：Go1.13 标准库的 http 包爆出重大 bug，你的项目中招了吗？原创：王亚楼 Go语言中文网今天阅读全文

posted @ 2019-12-14 14:53 papering 阅读(337) 评论(0) 推荐(0)

【Go】高效截取字符串的一些思考

摘要：【Go】高效截取字符串的一些思考 | thinkeridea博客 https://blog.thinkeridea.com/201910/go/efficient_string_truncation.html 【Go】高效截取字符串的一些思考 2019-10-31 最近我在 Go Forum 中发现阅读全文

posted @ 2019-11-25 20:20 papering 阅读(159) 评论(0) 推荐(0)

逃逸分析与栈、堆分配分析 escape_analysis escapes to heap moved to heap

摘要：实践： 1、 package main func main() { var a string = func() string { return "a" }() var b string = "b" f := func() string { return "c" } f1 := func() stri 阅读全文

posted @ 2019-11-20 09:32 papering 阅读(380) 评论(0) 推荐(0)

detect data races The cost of race detection varies by program, but for a typical program, memory usage may increase by 5-10x and execution time by 2-20x.

摘要：小结： 1、 conflicting access 2、性能危害优化 The cost of race detection varies by program, but for a typical program, memory usage may increase by 5-10x and ex 阅读全文

posted @ 2019-07-04 02:13 papering 阅读(188) 评论(0) 推荐(0)

词典扩容 cpython golang

摘要：实践： 1、 var f1 func(map[int]int) = func(m map[int]int) { m[1] = 123 for i := 3; i < 1025; i++ { break m[i] = i + 10000 } m[2] = 2 } m := map[int]int{1: 阅读全文

posted @ 2019-05-15 21:29 papering 阅读(331) 评论(0) 推荐(0)

GC 卡顿优化三色标记优势

摘要：小结： 1、三色标记的一个明显好处是能够让用户程序和 mark 并发的进行 Go GC 卡顿由秒级降到毫秒级以下：到底做了哪些优化？ https://mp.weixin.qq.com/s/2BMGGt31pvnPM363GZw6aA 原创 guyan0319 Go语言中文网 2019-10-12 阅读全文

posted @ 2019-05-12 17:12 papering 阅读(643) 评论(0) 推荐(0)

papering

随笔分类 - golang