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posted @ 2022-10-19 13:14
AngDH
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package main import ( "fmt" "sync" ) var n int var lock sync.RWMutex func main() { wg := sync.WaitGroup{} wg.Add(1000) for i:=0; i<1000; i++ { go func 阅读全文
posted @ 2022-10-16 19:42
AngDH
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posted @ 2022-10-16 18:46
AngDH
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package main func main() { defer println("defer 1") level1() } func level1() { defer println("defer 2") defer func() { if err := recover(); err != nil 阅读全文
posted @ 2022-10-16 18:38
AngDH
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package main import "fmt" import "sync" import "time" var oc sync.Once var a int = 5; func main() { go func(){ oc.Do(func(){ a++ }) }() go func(){ oc. 阅读全文
posted @ 2022-10-16 00:40
AngDH
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posted @ 2022-10-14 18:08
AngDH
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posted @ 2022-10-14 18:06
AngDH
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//go:generate go env -w GO111MODULE=on //go:generate go env -w GOPROXY=https://goproxy.cn,direct //go:generate go mod tidy //go:generate go mod downlo 阅读全文
posted @ 2022-10-14 15:33
AngDH
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import linecache def get_line_count(filename): count = 0 with open(filename, 'r') as f: while True: buffer = f.read(1024 * 1) if not buffer: break cou 阅读全文
posted @ 2022-10-14 10:52
AngDH
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