[B! golang] love0hateã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

love0hate id:love0hate

golangã«é–¢ã™ã‚‹love0hateã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (39)

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Goè¨€èªžã®GCã«ã¤ã„ã¦ - LINE ENGINEERING
ãªãœGoè¨€èªžã¯ã‚³ãƒ³ãƒ‘ã‚¯ã‚·ãƒ§ãƒ³ã‚’æŽ¡ç”¨ã—ã¦ã„ãªã„ã®ã‹ Googleã®Rick Hudsonæ°ã«ã‚ˆã‚‹ISMM 2018 Keynote â€œGetting To Goâ€ã‚’å‚ç…§ã™ã‚‹ã¨ã€ä»¥ä¸‹ã®ã“ã¨ãŒã‚ã‹ã‚Šã¾ã™ã€‚ 2014å¹´ã®æ™‚ç‚¹ã§ã¯â€Read barrier free concurrent copying GCâ€ã‚’è¨ˆç”»ã—ã¦ã„ãŸ ã—ã‹ã—æœŸé–“çš„ãªåˆ¶ç´„ã‹ã‚‰æ–å¿µã—ã€CMSã«èˆµã‚’åˆ‡ã£ãŸï¼ˆã“ã®æ™‚æœŸã«å½¼ã‚‰ã¯ã€ãƒ©ãƒ³ã‚¿ã‚¤ãƒ ã‚’Cã‹ã‚‰Goã«æ›¸ãæ›ãˆã‚‹ä½œæ¥ã‚‚è¡Œã†å¿…è¦ãŒã‚ã‚Šã¾ã—ãŸã€‚Changes to the runtimeï¼‰ TCMallocã‚’ãƒ™ãƒ¼ã‚¹ã¨ã—ãŸãƒ¡ãƒ¢ãƒªã‚¢ãƒã‚±ãƒ¼ã‚¿ãƒ¼ã‚’æŽ¡ç”¨ã™ã‚‹ã“ã¨ã§ã€æ–ç‰‡åŒ–ãŠã‚ˆã³ã‚¢ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®é€Ÿåº¦ã®å•é¡Œã‚’è§£æ±ºã—ãŸ Goè¨€èªžã®ãƒ¡ãƒ¢ãƒªã‚¢ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«ã¤ã„ã¦ã¯ã€ãƒ©ãƒ³ã‚¿ã‚¤ãƒ ã®ã‚³ãƒ¼ãƒ‰ã®ã‚³ãƒ¡ãƒ³ãƒˆã«ã‚‚è©³ã—ãè¨˜è¼‰ã•ã‚Œã¦ã„ã¾ã™ã€‚ malloc.go This was originally based on tcmal
love0hate 2018/08/09
golang
ãƒªãƒ³ã‚¯
Essential Go
Essential Go is a free book about Go programming language. It's part of Essential Programming Books. It's written to provide clear and concise explanation of topics for both beginner and advanced programmers. Most examples are linked to online playground that allows you to change the code and re-run it. You can also quickly navigate to desired content using table of content on the left and search
love0hate 2018/03/05
golang
ãƒªãƒ³ã‚¯
Goãƒ„ãƒ¼ãƒ«ã®ãƒªãƒªãƒ¼ã‚¹ã«ãŠã‘ã‚‹ãƒãƒ¼ã‚¸ãƒ§ãƒ‹ãƒ³ã‚°ã«ã¤ã„ã¦ | ãŠãã‚‰ãã¯ãã‚Œã•ãˆã‚‚å¹³å‡¡ãªæ—¥ã€…
Goã®ãƒ„ãƒ¼ãƒ«ã‚’ãƒªãƒªãƒ¼ã‚¹ã™ã‚‹æ™‚ã€å€‹äººçš„ã«ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªæ‰‹é †ã‚’è¸ã‚“ã§ã„ã‚‹ã€‚ã‚‚ã¡ã‚ã‚“ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§ä¸€æ’ƒã§ã§ãã‚‹ã‚ˆã†ã«ã¯ã—ã¦ã„ã‚‹ã€‚ä»Šå›žã¯1.ã®è©±ã€‚ã‚»ãƒžãƒ³ãƒ†ã‚£ãƒƒã‚¯ãƒãƒ¼ã‚¸ãƒ§ãƒ‹ãƒ³ã‚°ã®è©±ã¯å‡ºã¦ãã¾ã›ã‚“ã€‚ versionã‚’bumpã™ã‚‹ CHANGELOGã‚’æ›´æ–°ã™ã‚‹ 1,2ã§ã®å¤‰æ›´ã‚’gitã«åæ˜ ã—ã¦ã‚¿ã‚°ã‚’æ‰“ã¤ ãƒ“ãƒ«ãƒ‰ã™ã‚‹ ãƒ“ãƒ«ãƒ‰ã‚’ã‚¢ãƒƒãƒ—ãƒãƒ¼ãƒ‰ã™ã‚‹ versionã¯ -ldflags ã‚’ä½¿ã£ã¦å‹•çš„ã«åŸ‹ã‚è¾¼ã‚€æ–¹æ³•ãŒã‚ã‚‹ãŒã€æœ€è¿‘ã¯æ˜Žç¤ºçš„ã«ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã«æ›¸ã„ãŸæ–¹ãŒè‰¯ã„ã¨æ€ã†ã‚ˆã†ã«ãªã£ã¦ãã†ã—ã¦ã„ã‚‹ã€‚ ç†ç”±ã¨ã—ã¦ã¯ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒ go get/build ã§å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ã‚’å–å¾—ã—ãŸå ´åˆã§ã‚‚ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯è¡¨ç¤ºã•ã‚Œã¦æ¬²ã—ã„ã¨ã„ã†ã®ãŒä¸€ã¤ã€‚ -ldflags ã§å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ã«è‰²ã€…ãªå€¤ã‚’åŸ‹ã‚ã‚‹ã“ã¨ã¯ã§ãã¾ã™ãŒã€åŸºæœ¬åŽŸå‰‡ã¨ã—ã¦ã€ãã‚Œã‚‰ã‚’åŸ‹ã‚ã¦ãªã„çŠ¶æ…‹ã§ã‚‚ã¡ã‚ƒã‚“ã¨å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ãŒæ£å¸¸ã«å‹•ãã‚ˆã†ã«ã™ã‚‹ã“ã¨ã‚’æ„è˜ã—ãŸæ–¹ãŒè‰¯ã„ã€‚ ã‚‚ã†ä¸€ã¤ã®ç†ç”±ã¨
love0hate 2017/10/10
ã¾ã•ã«ã“ã®æ‰‹ã®è©±ã§æœ€è¿‘æ‚©ã‚“ã ã¨ã“ã ã£ãŸ

go

golang
ãƒªãƒ³ã‚¯
Don't defer Close() on writable files
Update: Another approach suggested by the inim itable Ben Johnson has been added to the end of the post. Update 2: Discussion about fsync() added to the end of the post. Itâ€™s an idiom that quickly becomes rote to Go programmers: whenever you conjure up a value that implements the io.Closer interface, after checking for errors you immediately defer its Close() method. You see this most often when ma
love0hate 2017/06/24
golang
ãƒªãƒ³ã‚¯
ã€ŒéžåŒæœŸã¨ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚°ã¨ã‚ã¨ä½•ã‹ã€ã«ã¤ã„ã¦ Â· Issue #1 Â· KeenS/KeenS.github.io
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love0hate 2017/05/21
golang
ãƒªãƒ³ã‚¯
Go1.7ã®contextãƒ‘ãƒƒã‚±ãƒ¼ã‚¸
Go1.7ã§ã¯golang.org/x/net/contextãŒcontextãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¨ã—ã¦æ¨™æº–ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã«ä»²é–“å…¥ã‚Šã™ã‚‹ï¼Žãã—ã¦ã„ãã¤ã‹ã®æ¨™æº–ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã§ã¯contextãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ä½¿ã£ãŸãƒ¡ã‚½ãƒƒãƒ‰/é–¢æ•°ã‚‚æ–°ãŸã«ç™»å ´ã™ã‚‹ï¼Žcontextãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¯ä»Šå¾Œã•ã‚‰ã«é‡è¦ãªï¼ŒGopherã¯æ™®é€šã«æ‰±ã†ã¹ãï¼Œãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã«ãªã‚‹ã¨è€ƒãˆã‚‰ã‚Œã‚‹ï¼Žæœ¬è¨˜äº‹ã§ã¯ãã‚‚ãã‚‚contextãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¨ã¯ä½•ã‹ï¼Ÿãªãœç™»å ´ã—ãŸã®ã‹ï¼Ÿãªãœé‡è¦ãªã®ã‹ï¼Ÿã©ã®ã‚ˆã†ã«ä½¿ã†ã¹ãã‹ï¼Ÿã«ã¤ã„ã¦ã¾ã¨ã‚ã‚‹ï¼Ž contextãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ãŒåˆã‚ã¦ç´¹ä»‹ã•ã‚ŒãŸã®ã¯2014å¹´ã®The Go Blogã®è¨˜äº‹ â€œGo Concurrency Patterns: Contextâ€ã§ã‚ã‚‹ï¼Žã“ã®è¨˜äº‹ã§ã¯ãªãœGoogleãŒcontextãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’é–‹ç™ºã—ãŸã®ã‹ï¼Œã©ã®ã‚ˆã†ã«ä½¿ã†ã®ã‹å…·ä½“çš„ãªæ¤œç´¢ã‚¿ã‚¹ã‚¯ã‚’ä¾‹ã«è§£èª¬ã•ã‚Œã¦ã„ã‚‹ï¼Žã¾ã èªã‚“ã ã“ã¨ãŒãªã„äººã¯ãã¡ã‚‰ã‚’å…ˆã«èªã‚€ã¨è‰¯ã„ï¼Ž co
love0hate 2017/02/26
golang
ãƒªãƒ³ã‚¯
golang ãƒ—ãƒã‚»ã‚¹ã®ãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚°ã£ã¦ã¿ã‚“ãªã©ã†ã—ã¦ã‚‹ã‚“ã§ã™ã‹ãã€ã¨ã„ã†è©± - tokuhirom's blog
golang ãƒ—ãƒã‚»ã‚¹ã®ãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚°ã£ã¦ã¿ã‚“ãªã©ã†ã—ã¦ã‚‹ã‚“ã§ã™ã‹ãã€ã¨ã„ã†è©± [9:43 AM] tokuhirom plack ã®ã‚¢ãƒ—ãƒªã ã¨ Plack::Middleware::ServerStatus::Lite ã¨ã‹ã§ç›£è¦–ã—ãŸã‚Šã—ã¾ã™ã‘ã©ã€go ã ã¨ãã†ã„ã†ã®ã£ã¦ã©ã†ã‚„ã‚‹ã®ãŒä¸€èˆ¬çš„ãªã‚“ã§ã—ã‚‡ã†ã‹ï¼Ÿ [9:47 AM] macopy https://github.com/fukata/golang-stats-api-handler github.com GitHub - fukata/golang-stats-api-handler: Golang cpu, memory, gc, etc information api handler. golang-stats-api-handler - Golang cpu, memory, gc, etc information api h
love0hate 2017/02/22
golang

Monitoring
ãƒªãƒ³ã‚¯
go - Pointers vs. values in parameters and return values - Stack Overflow
In Go there are various ways to return a struct value or slice thereof. For individual ones I've seen: type MyStruct struct { Val int } func myfunc() MyStruct { return MyStruct{Val: 1} } func myfunc() *MyStruct { return &MyStruct{} } func myfunc(s *MyStruct) { s.Val = 1 } I understand the differences between these. The first returns a copy of the struct, the second a pointer to the struct value cr
love0hate 2017/02/05
golang
ãƒªãƒ³ã‚¯
ãªãœGoè¨€èªž (golang) ã¯ã‚ˆã„è¨€èªžãªã®ã‹ãƒ»Goã§ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ãã¹ãç†ç”± | yunabe.jp
çµè«–ã¨ã—ã¦ã¯Goè¨€èªžã«ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªã„ãã¤ã‹ã®é•·æ‰€ãŒã‚ã‚Šã€ç¾å®Ÿè·¯ç·šã§éžå¸¸ã«ãƒãƒ©ãƒ³ã‚¹ãŒã¨ã‚ŒãŸè¨€èªžã ã¨æ€ã„ã¾ã™ã€‚ ã“ã‚Œã‚‰ã®é•·æ‰€ã®ãŸã‚ã«å¤±ã‚ã‚ŒãŸãƒ¡ãƒªãƒƒãƒˆã‚‚å½“ç„¶ã„ãã¤ã‚‚ã‚ã‚Šã¾ã™ãŒã€ä¸€å®šç¨‹åº¦ä»¥ä¸Šã®è¦æ¨¡ã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§åˆ©ç”¨ã™ã‚‹è¨€èªžã®é¸æŠžè‚¢ã¨ã—ã¦ã¯ç¾å˜ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®ä¸ã§ã¯ä¸€ç•ªã‹äºŒç•ªç›®ã«ã‚ˆã„ã®ã§ã¯ãªã„ã‹ã¨æ€ã„ã¾ã™ã€‚ ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ãŒé€Ÿã„ (vs. C++) GCã¨ãƒ¡ãƒ¢ãƒªå®‰å…¨æ€§ (vs. C++) å¦¥å½“ã§ç¾å®Ÿçš„ãªãƒ¬ãƒ™ãƒ«ã®åž‹å®‰å…¨æ€§ (vs. Python/Ruby) å®Ÿè¡Œæ™‚ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãŒè‰¯ã• (vs. Python/Ruby) ç¾å®Ÿå•é¡Œã€ã‚ã‚‹ç¨‹åº¦ã®è¦æ¨¡ã¨æœŸé–“ã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«ãªã‚‹ã¨åž‹æ¤œè¨¼ãŒã‚ã‚‹ã¨ãƒªãƒ•ã‚¡ã‚¯ã‚¿ãƒªãƒ³ã‚°ãªã©ãŒã ã„ã¶æ¥½ã«ãªã‚‹ã®ã§ã‚ã‚ŠãŒãŸã„ã€‚ åž‹ãŒã‚ã‚‹ã®ã§è‡ªç„¶ã¨å®Ÿè¡Œæ™‚ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚‚è‰¯ã„ æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãŒæ•´å‚™ã•ã‚Œã¦ã„ã‚‹ (vs. C++) ã‚€ã—ã‚æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã«jsonã®parserã™ã‚‰å˜åœ¨ã—ãªã„C
love0hate 2017/01/17
ã§ã‚‚ã‚„ã£ã±ã‚Šgenericsã¯æ—©ãå…¥ã£ã¦ã»ã—ã„

go

golang
ãƒªãƒ³ã‚¯
Go1.7ã‹ã‚‰SSAãŒå°Žå…¥ã•ã‚ŒãŸ - flyhigh
åˆã‚ã« Go 1.7ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã‚‹ã€‚ç›®çŽ‰ã®ä¸€ã¤ã¯ã€SSA-IRãŒå°Žå…¥ã•ã‚ŒãŸã“ã¨ã ã‚ã†ã€‚Go1.7ã§SSAãŒå…¥ã‚‹ã‚“ã ã‘ã©ã€SSAã£ã¦ä½•ï¼Ÿã¨å±…é…’å±‹ã§èžã‹ã‚ŒãŸã“ã¨ãŒæœ¬ç¨¿ã®ç™ºç«¯ã ã£ãŸã€‚ç§ã®çŸ¥è˜ã ã‘ã§ã¯åŒ…æ‹¬çš„ãªèª¬æ˜Žã«ãªã‚‰ãªã‹ã£ãŸã®ã§ã€ã„ã‚ã„ã‚èª¿ã¹ã¤ã¤ãã‚Œã‚’ã¾ã¨ã‚ãŸã€‚ ä»¥ä¸‹ã€ä¸€èˆ¬çš„ãªè©±ã§ã¯ãªãã€ãªã‚‹ã¹ãGoã«çµžã£ã¦è©±ã‚’é€²ã‚ã¦ã„ã‚‹ï¼ˆã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã®ã‚³ãƒ¼ãƒ‰ã¯ã¯ cmd/compile/internal/gc ã‚ãŸã‚Šã«ã‚ã‚‹ï¼‰ã€‚ã‚ˆã‚Šä¸€èˆ¬çš„ãªè©±ã¯ã€å‚è€ƒæ–‡çŒ®ç‰ã‚’ç¤ºã—ãŸã®ã§ãã¡ã‚‰ã‚’å‚è€ƒã«ã—ã¦ã»ã—ã„ã€‚ã„ã‚ã„ã‚èª¿ã¹ã¦ã€Goã«è¿½åŠ ã•ã‚ŒãŸSSAã«ã¤ã„ã¦çŸ¥ã‚‹ã¹ãã“ã¨ã¯ã€SSAãŒä½•ã‹ï¼Ÿã‚ˆã‚Šã‚‚ã€SSAå°Žå…¥ã—ãŸGoãŒã©ã†ãªã£ãŸã‹ã€ã§ã‚ã‚‹ã¨æ€ã£ãŸã€‚ SSAã¨ã¯ä½•ã‹ SSA ã¨ã¯ Static Single Assignmentã®ç•¥ã ã€‚ä¸€ã¤ã®å¤‰æ•°ã¸ã®ä»£å…¥ã¯ä¸€åº¦ã—ã‹è¡Œã‚ã‚Œã¦ãªã„äº‹ãŒç¢ºç´„ã§ãã‚‹å½¢å¼ã®ã‚³ãƒ¼ãƒ‰ã ã€‚ã“ã®å½¢å¼ã®ã‚³ãƒ¼ãƒ‰ã¯ã€æœ€é©åŒ–ãŒè¡Œã„
love0hate 2016/12/26
golang

go

compiler
ãƒªãƒ³ã‚¯
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love0hate 2016/12/22
go

golang
ãƒªãƒ³ã‚¯
golang ã¯ ã‚†ã‚‹ãµã‚ã« JSON ã‚’æ‰±ãˆã¾ãã™! â€” KaoriYa
ä»¥ä¸‹ã®ãƒ„ã‚¤ãƒ¼ãƒˆã«ã‚‚ã‚ã‚‹é€šã‚Šã€ä¸€è¦‹ golang ã¯ struct ã‚’å®šç¾©ã—ãªã„ã¨ JSON ã‚’æ‰±ãˆãªã„ã‚ˆã†ã«è¦‹ãˆã¾ã™ã€‚ä»–ã«ã‚‚ä¼¼ãŸã‚ˆã†ãªãƒ„ã‚¤ãƒ¼ãƒˆã‚’ãƒãƒ©ãƒ›ãƒ©ã¨è¦‹ã‹ã‘ã¾ã—ãŸãŒã€ãã‚Œã‚‰ã¯å…¨éƒ¨èª¤è§£ã§ã™ã€‚ãã“ã§ã“ã®è¨˜äº‹ã§ã¯ã€golang ã§ã‚†ã‚‹ãµã‚ (structã‚’å®šç¾©ã›ãš) ã« JSON ã‚’æ‰±ã†æ–¹æ³•ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ golangã€‚rubyã®ã‚ˆã†ã«ã‚†ã‚‹ãµã‚ã«JSONã¯æ‰±ãˆãªã„? https://t.co/olsryDHc5G â€” bamchoh (@bamchoh) 2016å¹´6æœˆ24æ—¥ ã“ã®è¨˜äº‹ã§ã¯å…¥åŠ›ã® json.Unmarshal() ã‚’å–ã‚Šæ‰±ã„ã¾ã™ãŒã€å‡ºåŠ›ã® json.Marshal() ã«ã‚‚å¿œç”¨ã§ãã¾ã™ã€‚ TL;DR json.Unmarshal() ã«ã¯ *interface{} ã‚’æ¸¡ã›ã¾ã™ interface{} ã¯ dproxy ã‚’ä½¿ã†ã¨ã€å€¤ã®ã‚¢ã‚¯ã‚»ã‚¹ã§æ¥½ãŒã§ãã¾ã™ json.Unmar
love0hate 2016/06/26
Go

golang

JSON
ãƒªãƒ³ã‚¯
Peter Bourgon Â· Go best practices, six years in
(This article was originally a talk at QCon London 2016. Video and slides here.) In 2014, I gave a talk at the inaugural GopherCon titled Best Practices in Production Environments. We were early adopters at SoundCloud, and by that point had been writing, running, and maintaining Go in production in one form or another for nearly 2 years. We had learned a few things, and I tried to distill and conv
love0hate 2016/05/02
go

golang
ãƒªãƒ³ã‚¯
Goè¨€èªžã®ä¸¦è¡Œæ€§ã‚’æ˜ åƒåŒ–ã™ã‚‹ | POSTD
Goã¨ã„ã†ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®å¼·ã¿ã®ï¼‘ã¤ã¯ã€ Tony Hoareè€ƒæ¡ˆã®CSP ã«åŸºã¥ããƒ“ãƒ«ãƒˆã‚¤ãƒ³ã®ä¸¦è¡Œæ€§(Concurrency)ã§ã™ã€‚Goã¯ä¸¦è¡Œæ€§ã‚’å¿µé ã«ãƒ‡ã‚¶ã‚¤ãƒ³ã•ã‚Œã¦ã„ã‚‹ãŸã‚ã€è¤‡é›‘ã«ä¸¦è¡Œã—ãŸãƒ‘ã‚¤ãƒ—ãƒ©ã‚¤ãƒ³ã®æ§‹ç¯‰ã‚’å¯èƒ½ã«ã—ã¦ã„ã¾ã™ã€‚ã§ã‚‚ã€ãã‚Œãžã‚Œã®ä¸¦è¡Œæ€§ãƒ‘ã‚¿ãƒ¼ãƒ³ãŒã©ã®ã‚ˆã†ã«è¦‹ãˆã‚‹ã‚‚ã®ãªã®ã‹æ°—ã«ãªã£ãŸã“ã¨ã¯ã‚ã‚Šã¾ã›ã‚“ã‹ã€‚ ã‚‚ã¡ã‚ã‚“ã€æ°—ã«ãªã£ãŸã“ã¨ã¯ã‚ã‚‹ã¨æ€ã„ã¾ã™ã€‚æã‚‰ããã‚Œãžã‚Œå½¢ã¯é•ã£ã¦ã‚‚ã€èª°ã‚‚ãŒé ã«æã„ã¦ã„ã‚‹ã®ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚ã‚‚ã—ã€ã€Œ1ã‹ã‚‰100ã¾ã§ã®æ•°å—ã€ã«ã¤ã„ã¦èžã‹ã‚ŒãŸã‚‰ã€ç„¡æ„è˜ã«é ã®ä¸ã§æ•°å—ã®ã‚¤ãƒ¡ãƒ¼ã‚¸ã‚’æ€ã„æµ®ã‹ã¹ã‚‹ã¨æ€ã„ã¾ã™ã€‚ä¾‹ãˆã°ã€ç§ã®å ´åˆã€è‡ªåˆ†ã®å‰ã‹ã‚‰1ã‹ã‚‰20ã¾ã§ãŒã¾ã£ã™ãã«ä¸¦ã³ã€21ä»¥é™ã¯90åº¦å³ã«æ›²ãŒã‚Š1000ä»¥é™ã¾ã§ç¶šãã‚¤ãƒ¡ãƒ¼ã‚¸ãŒæµ®ã‹ã³ã¾ã™ã€‚ã“ã‚Œã¯å¤šåˆ†ç§ãŒå¹¼ç¨šåœ’ã®æ™‚ã«æ•™å®¤ã®å£ã«æ²¿ã£ã¦æ•°å—ãŒè²¼ã‚‰ã‚Œã¦ã„ã¦ã€ã¡ã‚‡ã†ã©è§’ã«æ•°å—ã®20ãŒã‚ã£ãŸã‹ã‚‰ãªã®ã ã¨æ€ã„ã¾ã™ã€‚åˆ¥ã®ä¾‹ãˆã‚’ã™
love0hate 2016/03/01
golang
ãƒªãƒ³ã‚¯
Big Sky :: Goãƒ—ãƒã‚°ãƒ©ãƒžã§ã‚ã‚‹ã‹ã‚’è¦‹åˆ†ã‘ã‚‹10ã®è³ªå•
ä¸‹è¨˜è³ªå•ã«ãã‚Œãžã‚Œ50æ–‡å—ä»¥å†…ã‚’ç›®å®‰ã«ç°¡å˜ã«èª¬æ˜Žã™ã‚‹ã“ã¨ã€‚ ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸å†…ã«å®šç¾©ã—ãŸé–¢æ•°ã‚’å¤–éƒ¨ã«å…¬é–‹ã™ã‚‹ã«ã¯ã©ã†ã™ã‚Œã°è‰¯ã„ã‹ï¼Ÿ éžåŒæœŸã«å‡¦ç†ã‚’è¡Œã†ç‚ºã®å‘½ä»¤ã¯ï¼Ÿ é–¢æ•°ã‚’æŠœã‘ãŸéš›ã«å‡¦ç†ã‚’å®Ÿè¡Œã™ã‚‹ã«ã¯ã©ã†ã™ã‚‹ã‹ï¼Ÿ goroutineã®åŒæ™‚å®Ÿè¡Œæ•°ã‚’å¤‰æ›´ã™ã‚‹ã«ã¯ã©ã†ã™ã‚‹ã‹ï¼Ÿ ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã‚„ãƒªãƒ³ã‚«ãŒ8g/6g/5gã€8l/6l/5lã¨ã„ã†åå‰ã«ãªã£ã¦ã„ã‚‹ç†ç”±ã¯ï¼Ÿ Goã®ã‚¬ãƒ™ãƒ¼ã‚¸ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ã®å®Ÿè£…ã¯ä¸€èˆ¬çš„ã«ä½•ã¨å‘¼ã°ã‚Œã¦ã„ã‚‹é¡žã‹ï¼Ÿ ãƒ¬ã‚·ãƒ¼ãƒãŒnilã®å ´åˆã«ãƒ¡ã‚½ãƒƒãƒ‰ã‚’å‘¼ã³å‡ºã™ã¨ä½•ãŒèµ·ãã‚‹ã‹ï¼Ÿ å¯å¤‰å€‹å¼•æ•°ã¯ã©ã®æ§˜ã«å®šç¾©ã™ã‚‹ã‹ï¼Ÿ é–¢æ•°å†…ã§å®šç¾©ã•ã‚Œã‚‹ãƒãƒ¼ã‚«ãƒ«å¤‰æ•°ã®ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’æˆ»ã‚Šå€¤ã¨ã—ã¦å¤–éƒ¨ã‹ã‚‰å‚ç…§ã™ã‚‹ã¨ã©ã†ãªã‚‹ã‹ï¼Ÿ interfaceã¨structã®é•ã„ã¯ä½•ã‹ï¼Ÿ panicã‚’è£œè¶³ã—ã¦å¼·åˆ¶çµ‚äº†ã•ã›ãªã„ç‚ºã«ã¯ã©ã†ã™ã‚‹ã‹ï¼Ÿ ç”ãˆ ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸å†…ã«å®šç¾©ã—ãŸé–¢æ•°ã‚’å¤–éƒ¨ã«å…¬é–‹ã™ã‚‹ã«ã¯ã©ã†ã™ã‚Œã°è‰¯ã„ã‹ï¼Ÿ é–¢æ•°åã®å…ˆé ã‚’å¤§æ–‡å—ã«ã—ã¾ã™
love0hate 2016/01/24
go

golang

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

è¨€èªž

ãŠã£ã±ã„ãŠã£ã±ã„
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æœ¬ç‰©ã® golang ã‚’... æœ¬ç‰©ã® Gopher ã‚’ã€ãŠè¦‹ã›ã—ã¾ã™ã‚ˆã€‚ - Qiita
äº‹ã®å§‹ã¾ã‚Š ãã‚Œã¯Dè¨€èªžãã‚“ã¸ã®å«‰å¦¬ã‹ã‚‰å§‹ã¾ã£ãŸã€‚ Dè¨€èªžãã‚“ã®ç¹æ®–ã«ã¤ã„ã¦ã®ä»®èª¬ lsã‚’é–“é•ãˆã¦dlã¨å…¥åŠ›ã—ã¦ã—ã¾ã£ãŸã¨ãã«ã€Dè¨€èªžãã‚“ãŒé€šã‚ŠéŽãŽã‚‹ã‚³ãƒžãƒ³ãƒ‰ ãã£æ‚”ã—ã„... ãã—ã¦ã‚·ãƒ§ãƒœã„AAã§2ç•ªç…Žã˜ã€‚ lsã‚’é–“é•ãˆã¦golã¨å…¥åŠ›ã—ã¦ã—ã¾ã£ãŸã¨ãã«ã€GopherãŒé€šã‚ŠéŽãŽã‚‹ã‚³ãƒžãƒ³ãƒ‰æ›¸ã„ãŸã€‚ ã“ã‚“ãªã¯ãšã˜ã‚ƒãªã„ï¼ åƒ•ã‚‰ã® Gopher å›ã¯ã“ã‚“ãªãƒãƒ¼ãƒ—ã˜ã‚ƒãªã„ï¼ æ˜Žæ—¥æ¥ã¦ãã ã•ã„ã€‚æœ¬ç‰©ã® Gopher ã‚’ãŠè¦‹ã›ã—ã¾ã™ã‚ˆã€‚ â€” mattn (@mattn_jp) December 15, 2015 (æœ¬å½“ã¯ã‚‚ã†ã¡ã‚‡ã£ã¨å‰ã‹ã‚‰ä½œã£ã¦ã¾ã—ãŸãŒ) æœ¬ç‰©ã®Gopherå›ã¨ã¯ ãã—ã¦ä»Šå›žã€ã“ã‚Œã‚’å…¬é–‹ã™ã‚‹ã«è‡³ã£ãŸã€‚ ã¾ãšã¯ã“ã‚Œã‚’ã”è¦§é ‚ããŸã„ã€‚ ï¼ï¼ï¼ï¼ï¼ï¼ï¼ï¼ï¼ï¼ï¼ï¼ï¼‘ ã“ã„ã¤ãƒ»ãƒ»ãƒ»ã€€å‹•ããžãƒ»ãƒ»ãƒ» golang ã§æ›¸ã„ãŸãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—ãƒžã‚¹ã‚³ãƒƒãƒˆã§ã™ã€‚èµ·å‹•ã™ã‚‹ã¨ç”»é¢ã®ã‚¿ã‚¹ã‚¯ãƒãƒ¼ã®ä¸Šã‚’ã‚¦ãƒã‚¦ãƒã—ã¾ã™ã€‚ãŸã¾
love0hate 2015/12/17
ãƒã‚¿

golang
ãƒªãƒ³ã‚¯
Vim ã§å¼•ãç± ã‚‹ - Qiita
2015å¹´ç·æ‹¬ ä»Šå¹´ã‚‚æ²¢å±±ã€è‰¯ã„ Vim ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ãŒèª•ç”Ÿã—ã¾ã—ãŸã€‚ ã¾ãŸçš†ã•ã‚“ã‹ã‚‰ã‚‚å¹¾åº¦ã‹ vim-jp ã« vim ã®ä¸å…·åˆå ±å‘Šã‚’é ‚ãã€vim-dev ã«ãƒ‘ãƒƒãƒã¨ã—ã¦é‚„å…ƒã™ã‚‹äº‹ãŒå‡ºæ¥ã¾ã—ãŸã€‚æœ¬å½“ã«ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚ã•ã‚‰ã«å€‹äººçš„ã«ã¯æŠ€è¡“è©•è«–ç¤¾å‡ºç‰ˆã®ã€ŒSoftware Designã€ã§é€£è¼‰è¨˜äº‹ã€ŒVim ã®ç´°é“ã€ã‚’åŸ·ç†ã•ã›ã¦é ‚ãäº‹ã«ãªã‚Š1ã€è‡ªä»–å…±ã«ãƒ“ãƒ ãƒ“ãƒ ã—ã„1å¹´ã ã£ãŸã¨æ€ã„ã¾ã™ã€‚ ã—ã‹ã—ä»Šå¾Œã‚‚çš†ã•ã‚“ãŒä½¿ã†ãƒ†ã‚ã‚¹ãƒˆã‚¨ãƒ‡ã‚£ã‚¿ã¯çš†ã•ã‚“è‡ªèº«ãŒè€ƒãˆã¦è‰¯ãã—ã¦ã„ãã€ãã†ã„ã†æ°—æŒã¡ã‚’æŒã¡ãªãŒã‚‰å¼•ãç¶šã Vim æ´»å‹•ã‚’ç¶šã‘ã¦è¡ŒããŸã„ã¨æ€ã„ã¾ã™ã€‚ ã•ã¦ 2015å¹´ã¯å¦‚ä½•ã ã£ãŸã§ã—ã‚‡ã†ã‹ã€‚Vimmer ã«ãªã‚ŠãŸã„ã¨æ€ã£ã¦ã„ã‚‹äººãŸã¡ã¯ Vimmer ã«ãªã‚ŒãŸã§ã—ã‚‡ã†ã‹ã€‚Vimmer ã®ä¸–é–“ä¸€èˆ¬ã®ã‚¤ãƒ¡ãƒ¼ã‚¸ã¨è¨€ãˆã° vimrc ã°ã‹ã‚Šå¼„ã£ã¦ã„ã‚‹ ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã°ã‹ã‚Šä½œã£ã¦ã„ã‚‹ ç¾ä»£ã§ã‚‚ vim ãŒæœ€å¼·ã ã¨æ€ã£ã¦ã‚‹
love0hate 2015/12/14
golang
ãƒªãƒ³ã‚¯
Go è¨€èªžã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆæ§‹æˆ - fugafuga.write
Go ã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªæ§‹æˆãªã©ã«ã¤ã„ã¦ ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆæ§‹æˆ ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’go_workã¨ã™ã‚‹ã€‚ go_work â”œâ”€â”€ bin -> go install æ™‚ã«ãƒã‚¤ãƒŠãƒªãŒæ ¼ç´ã•ã‚Œã‚‹ â”œâ”€â”€ pkg -> ä¾å˜ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆãƒ•ã‚¡ã‚¤ãƒ«æ ¼ç´å ´æ‰€ â””â”€â”€ src -> ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰æ ¼ç´å ´æ‰€ ä¸Šè¨˜3ã¤ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªãŒã‚ã‚‹ã“ã¨ãŒå‰æã€‚ ç’°å¢ƒå¤‰æ•°$GOPATHã«ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’æŒ‡å®šã™ã‚‹ã“ã¨ã§ã€ä¾å˜ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã®è§£æ±ºãŒè‡ªå‹•çš„ã«è¡Œã‚ã‚Œã‚‹ã€‚ % cd go_work % export GOPATH=`pwd` ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã«ã¤ã„ã¦ Go ã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¯ã€Ruby ã§è¨€ã†ã¨ã“ã‚ã® gem ã«ã‚ãŸã‚‹ã€‚ ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¯è‡ªåˆ†ã§ä½œã£ãŸã‚Šã€Git ãªã©ã§ãƒªãƒã‚¸ãƒˆãƒªãŒå…¬é–‹ã•ã‚Œã¦ã„ã‚Œã°ã€ãã‚Œã‚’go get ã‚³ãƒžãƒ³ãƒ‰ã§ã‚³ãƒ”ãƒ¼ã—ã¦åˆ©ç”¨ã§ãã‚‹ã€‚ ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã®ä½œæˆ gosample ã¨ã„ã†ãƒ‘ãƒƒã‚±
love0hate 2015/11/03
GoLang
ãƒªãƒ³ã‚¯
gb Â· A project based build tool for Go
A project based build tool for the Go programming language. Install gb today go get github.com/constabulary/gb/... Features Project based workflow Automatic project detection Zero configuration files Backwards compatible with other Instagram platforms Benefits Reliable, reproducible, builds without import rewriting No environment variables to set Multiple working copies without changing environmen
love0hate 2015/08/23
golang
ãƒªãƒ³ã‚¯
Goè¨€èªžãŒãƒ€ãƒ¡ãªç†ç”± | POSTD
ç§ã¯Goè¨€èªžãŒæ°—ã«å…¥ã£ã¦ã„ã¾ã™ã—ã€å¤šãã®å ´é¢ã§ä½¿ç”¨ã—ã¾ã™ã€‚ç¾ã«ã“ã®ãƒ–ãƒã‚°ã‚‚Goã§æ›¸ã„ã¦ã„ã¾ã™ã€‚Goã¯ä¾¿åˆ©ãªè¨€èªžã§ã™ãŒã€å„ªã‚ŒãŸè¨€èªžã¨ã¯è¨€ãˆã¾ã›ã‚“ã€‚ã¤ã¾ã‚Šã€æ‚ªãã¯ãªã„ã‘ã‚Œã©ã€ååˆ†ã§ã¯ãªã„ã¨ã„ã†ã“ã¨ã§ã™ã€‚ æº€è¶³ã§ããªã„è¨€èªžã‚’ä½¿ç”¨ã™ã‚‹éš›ã¯æ³¨æ„ãŒå¿…è¦ã§ã™ã€‚æ³¨æ„ã‚’æ€ ã‚‹ã¨ã€ãã®è¨€èªžã‚’æ¬¡ã®20å¹´é–“ä½¿ã„ç¶šã‘ã‚‹ç¾½ç›®ã«ãªã‚‹ã‹ã‚‚ã—ã‚Œãªã„ã‹ã‚‰ã§ã™ã€‚ ç§ã®Goã«å¯¾ã™ã‚‹ä¸»ãªä¸æº€ã‚’æœ¬æ–‡ã«ã¾ã¨ã‚ã¾ã—ãŸã€‚æ—¢ã«ä½•åº¦ã‚‚æŒ‡æ‘˜ã•ã‚Œã¦ã„ã‚‹ã“ã¨ã‚‚å«ã¾ã‚Œã¦ã„ã¾ã™ãŒã€ä¸ã«ã¯ã“ã‚Œã¾ã§ã»ã¨ã‚“ã©è©±é¡Œã«ãªã£ã¦ã„ãªã„æŒ‡æ‘˜ã‚‚ã‚ã‚Šã¾ã™ã€‚ ã“ã‚Œã‹ã‚‰åˆ—æŒ™ã™ã‚‹å…¨ã¦ã®èª²é¡Œã«ã¯æ—¢ã«è§£æ±ºç–ãŒã‚ã‚‹ã“ã¨ã‚’ç¤ºã™ãŸã‚ã€ç§ãŒå„ªè‰¯ãªè¨€èªžã¨è€ƒãˆã‚‹Rustã‚„Haskellã¨æ¯”è¼ƒã—ã¦èª¬æ˜Žã—ã¾ã™ã€‚ æ±Žç”¨ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° èª²é¡Œ èª°ã§ã‚‚ã•ã¾ã–ã¾ãªäº‹æŸ„ã«å¹…åºƒãå¯¾å¿œã§ãã‚‹ã‚³ãƒ¼ãƒ‰ã‚’è¨˜è¿°ã—ãŸã„ã¨è€ƒãˆã¾ã™ã€‚ä¾‹ãˆã°æ•°ã®ãƒªã‚¹ãƒˆã®åˆè¨ˆã‚’æ±‚ã‚ã‚‹ãŸã‚ã«å®šç¾©ã—ãŸé–¢æ•°ãŒã€å°æ•°ã€æ•´æ•°ã€ã¾ãŸãã®ä»–ã®åˆè¨ˆã‚’æ±‚ã‚ã‚‰ã‚Œã‚‹ã‚‚ã®
love0hate 2015/01/06
golang

Haskell

rust
ãƒªãƒ³ã‚¯
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