[B! go_lang] xai1981ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

xai1981 id:xai1981

go_langã«é–¢ã™ã‚‹xai1981ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (50)

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ã€Œæœ€é€Ÿã€ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯Webãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã€Œrevelã€ã®ç´¹ä»‹ - Qiita
#é€Ÿã•ã¯æ£ç¾©ï¼ ã‚„ã¯ã‚Šã€Œæœ€é€Ÿã€ã¨ã„ã†è¨€è‘‰ã¯èƒ¸ã‚’ç†±ãã™ã‚‹ã‚‚ã®ãŒã‚ã‚Šã¾ã™ã€‚ ä½¿ã†Webãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã®ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãŒé€Ÿã‘ã‚Œã°é€Ÿã„ã»ã©ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒ“ãƒªãƒ†ã‚£ã¯ã‚ˆããªã‚‹ä¸Šã«ã€å¿…è¦ãªã‚µãƒ¼ãƒãƒ¼å°æ•°ã‚‚æ¸›ã‚‰ã›ã‚‹ãªã©ã€ã„ã„ã“ã¨ã¥ãã‚ã§ã™ã€‚ ãŸã ã€ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã®é€Ÿã•ã ã‘ã‚’è¿½ã„æ±‚ã‚ã¦æ©Ÿèƒ½ã‚’å‰Šã£ãŸã‚‚ã®ã¯ã€é–‹ç™ºã®é€Ÿåº¦ã‚’é…ãã—ã¾ã™ã€‚ Webé–‹ç™ºã«é€šå¸¸å¿…è¦ãªæ©Ÿèƒ½ã¯å…¨ã¦ç”¨æ„ã—ãŸä¸Šã§ã€ãªãŠé€Ÿã„ã€ãã‚“ãªéƒ½åˆã®ã„ã„ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ãŒæ±‚ã‚ã‚‰ã‚Œã¾ã™ã€‚ ãã“ã§ã€æœ€è¿‘çŸ¥ã£ãŸã€Œrevelã€ã¨ã„ã†ã€Œæœ€é€Ÿã€ã«ã—ã¦ã€Œãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ã€ã®Webãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã«ã¤ã„ã¦ã€èª¿ã¹ãŸã“ã¨ã‚’è¨˜è¼‰ã—ã¦ã„ãã¾ã™ã€‚ ä»Šå›žã¯ã€ é€Ÿã•ã®è¨ˆæ¸¬æ–¹æ³•è§£èª¬ revelã®æ¦‚è¦ Goè¨€èªžã®æ¦‚è¦ revelã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ãƒ»å®Ÿè¡Œã¾ã§ã®æ‰‹é † ãªã©ã«ã¤ã„ã¦è¨˜è¼‰ã—ã¾ã™ã€‚ â€» ã“ã“ã§è¨€ã£ã¦ã„ã‚‹ã€Œæœ€é€Ÿã€ã¨ã¯ã€ä¸€ç§’é–“ã«ä½•ãƒ¬ã‚¹ãƒãƒ³ã‚¹è¿”ã›ã‚‹ã‹ã€ã¨ã„ã†ã‚ˆã†ãªã€ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯çš„ãªæ„å‘³ã§ã™ã€‚ â€» ã“ã“ã§è¨€ã£ã¦ã„ã‚‹ã€Œãƒ•ãƒ«
xai1981 2016/08/24
qiita

go_lang

performance
ãƒªãƒ³ã‚¯
Erlangã¨Golangã‚’æ¯”è¼ƒã—ã¦ã¿ã‚‹
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xai1981 2016/08/24
qiita

go_lang

erlang

difference
ãƒªãƒ³ã‚¯
Go ã§ API ã‚µãƒ¼ãƒãƒ¼ã‚’é–‹ç™ºã—ã¦ãã¦1å¹´ãŒéŽãŽã¾ã—ãŸ | ã‚«ãƒ¡ãƒªã‚ªé–‹ç™ºè€…ãƒ–ãƒã‚°
ç™½ãƒ¤ã‚®ã®é–‹ç™ºè€…ã®æ£®æœ¬ã§ã™ã€‚ ç™½ãƒ¤ã‚®ã§ã¯ Go è¨€èªžã§ãƒ‹ãƒ¥ãƒ¼ã‚¹è¨˜äº‹ã®ã‚ãƒ¥ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ã™ã‚‹ ã‚«ãƒ¡ãƒªã‚ª API ã¨ã„ã†ã‚µãƒ¼ãƒ“ã‚¹ã‚’é–‹ç™ºã—ã¦ã„ã¾ã™ã€‚ç´„1å¹´2ãƒ¶æœˆå‰ã€Go ã‚’ä½¿ã£ã¦é–‹ç™ºã—å§‹ã‚ãŸã¨ãã«å½“æ™‚èª¿ã¹ãŸå†…å®¹ã‚’æ•´ç†ã—ã¦ä»¥ä¸‹ã®è¨˜äº‹ã‚’æ›¸ãã¾ã—ãŸã€‚ Goè¨€èªžã§ API ã‚µãƒ¼ãƒãƒ¼ã‚’é–‹ç™ºã™ã‚‹ 1å¹´ä»¥ä¸Šã«æ¸¡ã‚Šé–‹ç™ºã‚’ç¶™ç¶šã—ã¦ãã¦å¤‰ã‚ã£ãŸã“ã¨ã€å¤‰ã‚ã£ã¦ãªã„ã“ã¨ãªã©ã‚’ã–ã£ãã°ã‚‰ã‚“ã«ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ãŸã¾ãŸã¾éŽåŽ»ã®è¨˜äº‹ã®ã¯ã¦ãƒ–ã‚³ãƒ¡ãƒ³ãƒˆã‚’è¦‹è¿”ã—ã¦ã„ã¦ ä»¥ä¸‹ã®ã‚³ãƒ¡ãƒ³ãƒˆ ã‚’è¦‹ã¤ã‘ã¾ã—ãŸã€‚ æœ€è¿‘ golang å°Žå…¥äº‹ä¾‹å¢—ãˆã¦æ¥ãŸã‘ã©ã€å°Žå…¥å¾Œä¸€å¹´ãã‚‰ã„ã®ãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹ãƒ•ã‚§ãƒ¼ã‚ºãªäº‹ä¾‹ã«ã¤ã„ã¦èžã„ã¦ã¿ãŸã„ã€‚ç¶™ç¶šçš„ãƒ‡ãƒªãƒãƒªãƒ¼ã¿ãŸã„ãªã®ã€‚ã¾ã æ—©ã„ã®ã‹ãªï¼Ÿ ã¾ã ã¾ã ãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹ãƒ•ã‚§ãƒ¼ã‚ºã«ã¯ãªã£ã¦ã„ãªãã¦ç¾åœ¨ã‚‚æ´»ç™ºã«é–‹ç™ºä¸ã§ã™ãŒã€ç¶™ç¶šçš„ãƒ‡ãƒªãƒãƒªãƒ¼ã«ã¤ã„ã¦ç™½ãƒ¤ã‚®ã§ã¯ç‰¹åˆ¥ãªã“ã¨ã‚’ã—ã¦ãªãã€ansible ã‚’ä½¿ã£ã¦ãƒ‡ãƒ—ãƒã‚¤ã—ã¦ã„ã‚‹ã®ã¿ã§ã™ã€‚Go 1
xai1981 2016/08/11
go_lang
ãƒªãƒ³ã‚¯
Go è¨€èªžã® goroutine ã¨ channel ã«ã¤ã„ã¦ã®è€ƒå¯Ÿ - Qiita
channel ã‚’ä½¿ã†ã¨ã€ã‚ªãƒšãƒ¬ãƒ¼ã‚¿ <- ã‚’ä½¿ã£ã¦ goroutine é–“ã§å€¤ã®é€å—ä¿¡ãŒã§ãã¾ã™ã€‚channel ã«ã¯ã©ã†ã„ã†åž‹ã®å€¤ã‚’æ‰±ã†ã®ã‹ã€ã‚ãƒ¥ãƒ¼ã‚’ã„ãã¤è¨ã‘ã‚‹ã‹ã‚’æŒ‡å®šã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®é›£ç‚¹ã§ã‚ã‚‹æŽ’ä»–åˆ¶å¾¡ã‚„åŒæœŸåŒ–ã‚’ã€ç°¡å˜ãªæ§‹æ–‡ã§å®¹æ˜“ã«å®Ÿç¾ã§ãã¾ã™ã€‚ goroutine ã¨ã‚¹ãƒ¬ãƒƒãƒ‰ ã¾ãšã¯ã‚¹ãƒ¬ãƒƒãƒ‰ã¨ã®é•ã„ã«ã¤ã„ã¦è€ƒãˆã¦ã¿ã¾ã—ã‚‡ã†ã€‚FAQ ã« Why goroutines instead of threads? ã¨ã„ã†è³ªå•ãŒã‚ã‚Šã¾ã™ãŒã€è¦ç´„ã™ã‚‹ã¨ã€ŒOS ã®ã‚·ã‚¹ãƒ†ãƒ ã‚¹ãƒ¬ãƒƒãƒ‰ã‚ˆã‚Šã‚‚å°ã•ãªãƒ¡ãƒ¢ãƒªä½¿ç”¨é‡ã§æ¸ˆã‚€ã€ã¨æ›¸ã„ã¦ã‚ã‚‹ã‚ˆã†ã«è¦‹ãˆã¾ã™ã€‚å®Ÿéš›ã€ã‚¹ãƒ¬ãƒƒãƒ‰ã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã‚¹ã‚¿ãƒƒã‚¯ã‚µã‚¤ã‚ºã¯ Windows ã ã¨ 1 MBã€Linux ã ã¨ 2 MB ãªã®ã§ã€æ•°ã‚ãƒãƒã‚¤ãƒˆã§æ¸ˆã‚€ goroutine ã«æ¯”ã¹ã‚‹ã¨ã€10 KB ã ã¨ã—ã¦ã‚‚ 100 ã€œ 200 å€ã®é•ã„ãŒã‚ã‚Šã¾ã™ã€‚
xai1981 2016/08/11
go_lang

go_routine
ãƒªãƒ³ã‚¯
Pelletkachels | DÃ© Expert voor jou duurzame Pelletkachel in huis
Pelletkachels waren ooit eenvoudige apparaten voor verwarming, maar ze hebben een opmerkelijke evolutie doorgemaakt sinds hun bescheiden begin in de jaren â€™80 van de vorige eeuw. In dit artikel duiken we diep in de geschiedenis van pelletkachel, bespreken we de belangrijkste mijlpalen en ontwikkelingen op het gebied van subsidiemogelijkheden en werpen we een blik op de transf ormatie tot moderne en
xai1981 2016/04/27
print

go_lang
ãƒªãƒ³ã‚¯
Goè¨€èªžã®ã‚³ãƒ¼ãƒ‰ãƒ¬ãƒ“ãƒ¥ãƒ¼
SoundCloudãŒ2å¹´åŠã»ã©Goè¨€èªžã‚’åˆ©ç”¨ã—ãŸãƒ—ãƒãƒ€ã‚¯ãƒˆã‚’æœ¬ç•ªã§é‹ç”¨ã—ãŸçŸ¥è¦‹ã‚’GopherConã§ç™ºè¡¨ã—ã¦ã„ãŸï¼ˆâ€œGo: Best Practices for Production Environmentsâ€ï¼‰ï¼Žãã®ä¸ã§â€œCodeReviewCommentsã¨ã„ã†Googleã§ã®Goè¨€èªžã®ã‚³ãƒ¼ãƒ‰ãƒ¬ãƒ“ãƒ¥ãƒ¼ã«ãŠã„ã¦ã‚ˆãã‚ã‚‹ã‚³ãƒ¡ãƒ³ãƒˆã‚’ã¾ã¨ã‚ãŸã‚µã‚¤ãƒˆãŒç´¹ä»‹ã•ã‚Œã¦ã„ãŸï¼Ž æœ€è¿‘Goè¨€èªžã‚’æ›¸ãã‚ˆã†ã«ãªã‚Šï¼Œä½¿ãˆãã†ãªã®ã§ã–ã£ã¨æŠ„è¨³ã—ã¦ã¿ãŸï¼Žâ€œãƒªãƒ¼ãƒ€ãƒ–ãƒ«ã‚³ãƒ¼ãƒ‰â€çš„ãªè¦–ç‚¹ã‚‚å«ã¾ã‚Œã¦ãŠã‚Šï¼ŒGoä»¥å¤–ã®è¨€èªžã§ã‚‚ä½¿ãˆãã†ï¼Ž gofmtã§ã‚³ãƒ¼ãƒ‰ã®æ•´å½¢ã‚’ã™ã‚‹ã“ã¨ ã‚³ãƒ¡ãƒ³ãƒˆã¯æ–‡ç« ã§æ›¸ãã“ã¨ï¼ŽgodocãŒã„ã„æ„Ÿã˜ã«æŠœãå‡ºã—ã¦ãã‚Œã‚‹ï¼Žå¯¾è±¡ã¨ãªã‚‹é–¢æ•°ï¼ˆå¤‰æ•°ï¼‰åã§åˆã‚ã¦ï¼Œãƒ”ãƒªã‚ªãƒ‰ã§çµ‚ã‚ã‚‹ã“ã¨ // A Request represents a request to run a command. type Request str
xai1981 2016/04/27
go_lang

best_practice
ãƒªãƒ³ã‚¯
GO-MEMO:Golangã§æ–‡å—åˆ—ã®è¡Œåˆ†å‰² - Qiita
QiitaåˆæŠ•ç¨¿ã§ã™ã€‚ ä»Šç¾åœ¨ã§Golangæ´ã¯ç´„åŠå¹´ã¨ã„ã£ãŸã¨ã“ã‚ã§ã—ã‚‡ã†ã‹â€¦ã€‚ æœ€åˆã¯ç°¡å˜ãªã¨ã“ã‚ã‹ã‚‰å¾ã€…ã«ãƒ¬ãƒ™ãƒ«ã®é«˜ã„ã‚¨ãƒ³ãƒˆãƒªãŒæ›¸ã‘ã‚‹ã‚ˆã†ã«æ…£ã‚Œã°ã„ã„ãªã¨æ€ã£ã¦ã„ã¾ã™ã€‚ ä»Šå›žã¯è¤‡æ•°è¡Œã®æ–‡å—åˆ—ã‚’è¡Œã§åˆ†å‰²ã—ã¦æ–‡å—åˆ—é…åˆ—ã«ã—ãŸã„ã¨ãã®ãƒ¡ãƒ¢ã§ã™ã€‚(string ===> []string) æœ¬å½“ã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚„æ¨™æº–å…¥åŠ›ã‚’èªã‚€ã¨ãã«åˆ†å‰²ã—ã¦èªã¿è¾¼ã‚€æ–¹ãŒã‚¹ãƒžãƒ¼ãƒˆãªã‚“ã§ã™ãŒã€å¤§é‡ã®ãƒ‡ãƒ¼ã‚¿ã§ã‚‚ãªã„å ´åˆãªã‚‰ã°ä¸€æ°—ã«èªã¿è¾¼ã‚“ã§ã‹ã‚‰åˆ†å‰²ã—ã¦ã‚‚ã„ã„ã®ã‹ã‚‚æ€ã£ãŸã®ã§â€¦ã€‚ package main import ( "fmt" "io/ioutil" "log" "os" "regexp" ) func main() { var bytes []byte var err error if bytes, err = ioutil.ReadAll(os.Stdin); err != nil { log.Fatalln(
xai1981 2016/04/27
go_lang

qiita
ãƒªãƒ³ã‚¯
CodeReviewComments
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xai1981 2016/04/27
go_lang

best_practice

print
ãƒªãƒ³ã‚¯
Big Sky :: Golang ã® channel ã®ä½¿ã„æ‰€
golang ã®ç‰¹å¾´ã¨è¨€ãˆã° goroutine ã¨ channel ã§ã™ãŒã€ãã®ä½¿ã„ã©ã“ã‚ã«æ‚©ã‚€äººã‚‚ãŠã‚‰ã‚Œã‚‹æ§˜ã§ã™ã€‚ goroutine ã¯éžåŒæœŸã«å®Ÿè¡Œã•ã‚Œã‚‹å‡¦ç†ã€channel ã¯ãã® groutine ã¨é€šä¿¡ã™ã‚‹ç‚ºã®ä»•çµ„ã¿ã¨è€ƒãˆã‚‹ã¨åˆ†ã‹ã‚Šã‚„ã™ã„ã§ã™ã€‚ packageÂ main importÂ ( "fmt" "time" ) funcÂ main() { task :=Â make(chanÂ string) taskquit :=Â make(chanÂ bool) workerquit :=Â make(chanÂ bool) goÂ func() { loop: forÂ { selectÂ { caseÂ <-taskquit: workerquit <-Â true breakÂ loop caseÂ job := <-task: fmt.Println(job) } } }() goÂ func() {
xai1981 2016/04/27
go_lang

study
ãƒªãƒ³ã‚¯
Goè¨€èªžã®ã‚¹ãƒ©ã‚¤ã‚¹ã‚’ç†è§£ã—ã‚ˆã†
2. è‡ªå·±ç´¹ä»‹ â€¢ æ²³æœ¬ æ³°å @yasi_life â†’ @kwmt27 â€¢ ç§ã¨Goè¨€èªžã¨ã®é–¢ã‚ã‚Š â€¢ 2011å¹´ã®DevQuizã§åˆã‚ã¦è§¦ã£ãŸ â€¢ 2012å¹´1æœˆã®Goè¨€èªžå‹‰å¼·ä¼šã«å‚åŠ â€¢ 2012å¹´4æœˆã®æ±æµ·GTUGã•ã‚“ã®GAE å‹‰å¼·ä¼šã§Goã‚’ä½¿ã£ãŸ 3. è‡ªå·±ç´¹ä»‹ â€¢ æœ€è¿‘ã§ã¯å…¬å¼ã‚µã‚¤ãƒˆã® â€¢ Writing Web Applications â€¢ Go Slices ã‚’ç¿»è¨³ã—ã¦ã¿ãŸã‚Šã€‚ https://github.com/ kwmt/golangwiki/wiki
xai1981 2016/04/27
study

go_lang

slide_share
ãƒªãƒ³ã‚¯
golangã§Xxxåž‹ã‚’stringã«ã—ãŸã„ - virsalusã®æ—¥è¨˜
æ‚©ã‚“ã ã“ã¨ Int64åž‹ã§ã‚ã‚‹anaconda.Tweet.Idã‚’ã€map[String][]stringã§ã‚ã‚‹net/url.Valuesã«ä½¿ãŠã†ã¨ã—ã¦è©°ã¾ã£ãŸã€‚ ç”ãˆ fmt.Sprint(foo)ã™ã‚Œã°è‰¯ã„ ã‚¢ã‚«ãƒ³å¥´ strconvã«ã¯intåž‹ã‚’stringã«ã‚ãƒ£ã‚¹ãƒˆã™ã‚‹é–¢æ•°ã—ã‹ç„¡ã„ string()é–¢æ•°ã§ã‚ãƒ£ã‚¹ãƒˆã—ã‚ˆã†ã¨ã™ã‚‹ã¨ã€utf8ã§ã‚¨ãƒ³ã‚³ãƒ¼ãƒ‰ã•ã‚ŒãŸãƒã‚¤ãƒˆåˆ—ã ã¨ã¿ãªã•ã‚Œã¦æ»ã¬ ã‚³ãƒ¼ãƒ‰
xai1981 2016/04/27
go_lang

time
ãƒªãƒ³ã‚¯
Goè¨€èªžã§ã‚¨ãƒ©ãƒ¼ã‚’æ›¸ãã¨ãã«æ°—ã‚’ã¤ã‘ã‚‹ã“ã¨ - taknb2nchã®ãƒ–ãƒã‚°
Goè¨€èªžã§ã¯ä¾‹å¤–ã¨ã„ã†æ¦‚å¿µã¯ãªãã€ãƒ“ãƒ«ãƒˆã‚¤ãƒ³ã§erroråž‹ã¨ã„ã†ã®ãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ type error interface { Error() string } å‡¦ç†ã«å¤±æ•—ã—ãŸå ´åˆç‰ã¯ä¾‹å¤–ã‚’ç™ºç”Ÿã•ã›ã‚‹ã“ã¨ã¯ã§ããªãã€errorã‚’è¿”ã™ã¨ã„ã†å½¢ã‚’ã¨ã‚Šã¾ã™ã€‚ ã¾ãŸãã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚„é–¢æ•°ã‚’å®Ÿè¡Œã—ãŸå´ã¯ã€æˆ»ã‚Šå€¤ã«errorãŒå«ã¾ã‚Œã¦ã„ã‚‹å ´åˆã¯ãã®å€¤ãŒnilã‹ã©ã†ã‹ã‚’ç¢ºèªã™ã‚‹ã“ã¨ã§å‡¦ç†ãŒæˆåŠŸã—ãŸã®ã‹å¤±æ•—ã—ãŸã®ã‹ãŒåˆ†ã‹ã‚Šã¾ã™ã€‚ Javaã‚„C#ç‰ã§ã¯åŸºåº•ã‚¯ãƒ©ã‚¹ã®Exceptionç‰ã‚’ç¶™æ‰¿ã—ã¦ç‹¬è‡ªã®ä¾‹å¤–ã‚’å®šç¾©ã—ã¦ä½¿ç”¨ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã‚‚ã¡ã‚ã‚“Goè¨€èªžã§ã‚‚ä»¥ä¸‹ã®ã‚ˆã†ã«ã—ã¦ç°¡å˜ã«ç‹¬è‡ªã®ã‚¨ãƒ©ãƒ¼ã‚’è¿”ã™ã“ã¨ãŒã§ãã¾ã™ã€‚ errors.New("ç‹¬è‡ªã®ã‚¨ãƒ©ãƒ¼ã§ã™ã€‚") ãƒ€ãƒƒã‚¯ãƒ»ã‚¿ã‚¤ãƒ”ãƒ³ã‚°ã‚’æŽ¡ç”¨ã—ã¦ã„ã‚‹Goè¨€èªžã§ã¯Error()ãƒ¡ã‚½ãƒƒãƒ‰ã‚’å®Ÿè£…ã—ã¦ã„ã‚‹ã ã‘ã§erroråž‹ã¨ã—ã¦åˆ¤å®šã•ã‚Œã¾ã™ã€‚ã—ãŸãŒã£ã¦ä»¥ä¸‹ã®ã‚ˆã†ã«æ›¸ãæ–¹
xai1981 2016/04/26
go_lang

custom_error

error
ãƒªãƒ³ã‚¯
Goã§ä¹±æ•° - Qiita
package main import ( "fmt" "math/rand" "time" ) func main() { rand.Seed(time.Now().UnixNano()) fmt.Println("random number is", rand.Intn(15)) }
xai1981 2016/04/26
go_lang

qiita
ãƒªãƒ³ã‚¯
golang ã§å¤–éƒ¨ã‚³ãƒžãƒ³ãƒ‰ã‚’å®Ÿè¡Œã—ã¦æ¨™æº–å‡ºåŠ›ã‚’å–å¾—ã™ã‚‹ - tkuchikiã®æ—¥è¨˜
åŸ·ç†æ™‚ã«ä½¿ç”¨ã—ãŸ go version ã¯ã€go1.3 ã§ã™ã€‚ golang ã§å¤–éƒ¨ã‚³ãƒžãƒ³ãƒ‰ã‚’å®Ÿè¡Œã—ã¦ã€ æ¨™æº–å‡ºåŠ›ã®çµæžœã‚’å—ã‘å–ã‚‹æ–¹æ³•ã§ã™ã€‚ Go Playground ã§ã¯è©¦ã™ã“ã¨ãŒã§ãã¾ã›ã‚“ã®ã§ã”æ³¨æ„ãã ã•ã„ã€‚ â€»è¿½è¨˜1 id:mattn ã•ã‚“ã«ã”æŒ‡æ‘˜ã„ãŸã ã„ãŸã€Cmd.Output ã®ä¾‹ã‚’è¿½è¨˜ã—ã¾ã—ãŸã€‚ æ¨™æº–å‡ºåŠ›ã ã‘å–ã‚Œã‚Œã°è‰¯ã„ãªã‚‰ã€éžå¸¸ã«ç°¡æ½”ã«æ›¸ãã“ã¨ãŒã§ãã¾ã™ã€‚ ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚ â€»è¿½è¨˜2 ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’èªã¿ãªãŠã—ãŸã¨ã“ã‚ã€ Cmd.CombinedOutput ã¨ã„ã†ã€ æ¨™æº–å‡ºåŠ›ã¨æ¨™æº–ã‚¨ãƒ©ãƒ¼å‡ºåŠ›ä¸¡æ–¹ã¨ã‚Œã‚‹ã‚‚ã®ãŒã‚ã‚Šã¾ã—ãŸã®ã§ã€ è¿½è¨˜ã—ã¾ã—ãŸã€‚ â€»è¿½è¨˜3 æœ€åˆã«æ›¸ã„ãŸæ¨™æº–å‡ºåŠ›ä¸€æ‹¬å–å¾—ã¯ã€ãã‚Œã»ã©ä½¿ã‚ãªã•ãã†ã ã¨æ€ã„ã¾ã—ãŸã®ã§ã€ å‰Šé™¤ã—ã¦ã€æœ«å°¾ã«StdinPipe ã®ä¾‹ã‚’è¨˜è¼‰ã—ã¾ã—ãŸã€‚ â€»è¿½è¨˜4 id:id:hnakamur3 ã•ã‚“ã«æ•™ãˆã¦ã„ãŸã ãã¾ã—ãŸè¨˜äº‹ã¸ã®ãƒªãƒ³ã‚¯ã‚’è¿½åŠ
xai1981 2016/04/25
go_lang

command
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Golangã®ã‚¨ãƒ©ãƒ¼å‡¦ç†ã¨pkg/errors
GoConã§ã¯æ¯Žå›žã‚¨ãƒ©ãƒ¼å‡¦ç†ã«ã¤ã„ã¦é¢ç™½ã„çŸ¥è¦‹ãŒå¾—ã‚‰ã‚Œã‚‹ï¼ŽGo Conference 2014 autumn ã«ãŠã„ã¦ã¯ï¼ˆå®Ÿéš›ã®ãƒˆãƒ¼ã‚¯ã§ã¯ãªã„ãŒï¼‰å±…é…’å±‹ã«ã¦@Jxckã•ã‚“ãŒRob Pikeæ°ã‹ã‚‰ä»¥ä¸‹ã®ã‚ˆã†ãªãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚’ç´¹ä»‹ã—ã¦ã‚‚ã‚‰ã£ã¦ã„ãŸï¼Ž Errors are values - The Go Blog Golang Error Handling lesson by Rob Pike ã“ã‚Œã¯Writeï¼ˆã‚„Readï¼‰ã®ã‚¨ãƒ©ãƒ¼å‡¦ç†ãŒè¤‡æ•°ç¶šãå ´åˆã«errWriter ã‚’å®šç¾©ã—ã¦è¤‡æ•°ã®ã‚¨ãƒ©ãƒ¼å‡¦ç†ã‚’ä¸€ç®‡æ‰€ã«ã¾ã¨ã‚ã¦ã‚³ãƒ¼ãƒ‰ã‚’ã™ã£ãã‚Šã¨ã•ã›ã‚‹ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã§ã‚ã£ãŸï¼Ž ãã—ã¦ä»Šå›žã® Go Conference 2016 spring ã®keynoteã«ãŠã„ã¦ã‚‚Dave Cheneyæ°ã‹ã‚‰ï¼ˆåƒ•ã«ã¨ã£ã¦ã¯ï¼‰æ–°ãŸãªã‚¨ãƒ©ãƒ¼å‡¦ç†ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ãŒç´¹ä»‹ã•ã‚ŒãŸï¼Ž Gocon Spring 2016 å®Ÿéš›ã«ä½¿ã£ã¦ã¿ã¦/ã‚³ãƒ¼ãƒ‰ã‚’èªã‚“
xai1981 2016/04/25
go_lang

error
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Go ã®ä¸¦è¡Œå‡¦ç† - Block Rockinâ€™ Codes
intro å…ˆæ—¥ã® Go ã®ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ GoCon ã§ã€ Go ã®ä¸¦è¡Œå‡¦ç†å‘¨ã‚Šã«ã¤ã„ã¦ç™ºè¡¨ã•ã›ã¦é ‚ãã¾ã—ãŸã€‚ Go Conference 2013 spring - connpass å…·ä½“çš„ã«ã¯ Goroutine ã‚„ Channel ã®è©±ã§ã™ãŒã€ã“ã‚Œã‚‰ã®æ©Ÿèƒ½ã¯çµæ§‹é¢ç™½ãã¦ã€ã„ã˜ã£ã¦éŠã‚“ã§ã‚‹ã ã‘ã§ã‚‚ã‚ãã‚ãã—ã¾ã™ã€‚ Go ã®ä¸¦è¡Œå‡¦ç†ã¯ã€è¨è¨ˆæ–¹é‡ãŒã‚ã‚Šã¨ç‰¹æ®Šã ã¨æ€ã†ã®ã§ã™ãŒã€è¨è¨ˆãŒã‚·ãƒ³ãƒ—ãƒ«ãªã®ã§åˆ†ã‹ã‚‹ã¨ãã“ã¾ã§é›£ã—ãã¯ãªã„ã§ã™ã€‚ (ä½¿ã„ã“ãªã™ã®ã¯ã€çµŒé¨“ãŒå¿…è¦ãã†ã§ã™ãŒ) ä»Šå›žè©±ã™ã«ã‚ãŸã£ã¦è‰²ã€…èª¿ã¹ã¾ã—ãŸãŒã€ç™ºè¡¨æ™‚é–“ã®éƒ½åˆä¸Šçœã„ãŸã‚‚ã®ã‚‚ã‚ã‚‹ã—ã€è³ªç–‘å¿œç”ã§èžã‹ã‚Œã¦å¿œãˆã‚‰ã‚Œãªã‹ã£ãŸã“ã¨ã‚‚ã‚ã‚‹ã®ã§ã€ ã“ã“ã§ã¾ã¨ã‚ã¦ç½®ã“ã†ã¨æ€ã„ã¾ã™ã€‚ ç™ºè¡¨è³‡æ–™ ä»Šå›žã®ç™ºè¡¨è³‡æ–™ã¯ã“ã¡ã‚‰ã§ã™ã€‚ ã“ã®ãƒ–ãƒã‚°ã®å†…å®¹ã¯ã€ã“ã‚Œã‚’ãƒ™ãƒ¼ã‚¹ã«ã—ã¾ã™ã€‚ http://jxck.node-ninja.com/slides/gocon-
xai1981 2016/04/22
go_lang

go_routine

ä¸¦åˆ—å‡¦ç†
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Goè¨€èªžã®flagãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ä½¿ã† - ryochack.blog
Goè¨€èªžã§ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æ‰±ã† - ãã“ã¯ã‹ã¨ãªãæ›¸ãã‚ˆã‚“ã€‚ ã«è§¦ç™ºã•ã‚ŒãŸã®ã§ã€flagãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã«ã¤ã„ã¦è‡ªåˆ†ã§ä½¿ã£ã¦ã¿ã¦ãƒãƒžã£ãŸã¨ã“ã‚ã‚’æ›¸ã„ã¦ãŠãã€‚ ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã®ç•¥ç§°ã‚’ç™»éŒ²ã™ã‚‹ flag.IntVar()ãªã©ã®XxxVar()ã‚’ä½¿ã†ã€‚ ã“ã‚Œã§ -boolã§ã‚‚-bã§ã‚‚åŒã˜å¤‰æ•°ã«ãƒ•ãƒ©ã‚°ã®çµæžœãŒåæ˜ ã•ã‚Œã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ $ go run flag_shorthand.go -bool -int 100 -string hoge bool flag = true int flag = 100 string flag = hoge $ go run flag_shorthand.go -b -i 100 -s hoge bool flag = true int flag = 100 string flag = hoge ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æœ€å¾Œã¾ã§è§£æžã™ã‚‹ flag.P
xai1981 2016/04/22
go_lang

command_line
ãƒªãƒ³ã‚¯
Goã§webã‚µãƒ¼ãƒãƒ¼ä½œã‚‹ã¨ãã«è€ƒãˆãŸã“ã¨ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? Goã§webã‚µãƒ¼ãƒãƒ¼ã‚’ä½œã‚‹ã¨ãã«è€ƒãˆãŸã“ã¨ã‚’ã¾ã¨ã‚ã¦ãŠãã¾ã™ã€‚ dockerã‚³ãƒ³ãƒ†ãƒŠã§å‹•ã‹ã™å ´åˆã‚’å°‘ã—è€ƒæ…®ã—ã¦ã¾ã™ã€‚ ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã‹è»½é‡ç³»ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã‹ æœ€åˆã«çªãã¤ã‘ã‚‰ã‚Œã‚‹å•é¡Œã§ã™ã€‚ ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ revel beego è»½é‡ç³»ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ goji negroni ã©ã‚“ãªãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã‚‚ãã†ã§ã™ãŒã€ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ãªãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ãªã‚‰ã°ã€ ãã®é“ã«ä¹—ã£ã‹ã‚‹ã“ã¨ã§ä½™è¨ˆãªã“ã¨ã‚’è€ƒãˆãšã«ã™ã¿ã¾ã™ã€‚ ã ã‘ã©ãã®é“ã‹ã‚‰å¤–ã‚Œã‚‹ã“ã¨ã‚’ã™ã‚‹å ´åˆã«è‹¦åŠ´ãŒä¼´ã„ã¾ã™ã€‚ golangã®å ´åˆã€Goåˆå¿ƒè€…ãªã‚‰ã°ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ã§ã‚‚ã„ã„ã‘
xai1981 2016/04/22
go_lang

web_server
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Goã§è¦‹ã‹ã‘ã‚‹æ§‹é€ ä½“ãƒ‘ã‚¿ãƒ¼ãƒ³ - Qiita
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xai1981 2016/04/22
qiita

go_lang
ãƒªãƒ³ã‚¯
#golang é–¢æ•°ã®å¼•æ•°ã‚’ã‚ªãƒ—ã‚·ãƒ§ãƒ³çš„ã«æ‰±ã†ã«ã¯ï¼Ÿ
xai1981 2016/03/24
go_lang

method
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