Go言語ã®ä¾¿åˆ©æƒ…å ± - ゆã†ã†ãブãƒã‚°
ã“ã“1å¹´ãらã„åŽé›†ã—ãŸä¾¿åˆ© Go è¨€èªžæƒ…å ±ã‚’ä¸¦ã¹ãŸã ã‘ã§ã™ã€‚ http://b.hatena.ne.jp/y_uuki/golang/ https://github.com/stars?language=go オフィシャル 言語機能解説をä¸å¿ƒã«ãƒ”ックアップ。 Effective Go - The Go Programming Language Go's Declaration Syntax - The Go Blog Share Memory By Communicating - The Go Blog Defer, Panic, and Recover - The Go Blog Go Concurrency Patterns: Timing out, moving on - The Go Blog Go Slices: usage and internals - The Go Blog
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golangã«ã¯pprof用ã®ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ãƒ¼ã‚¿ã‚’出力ã§ãるライブラリãŒæ¨™æº–ã§ã¤ã„ã¦ãã‚‹ã®ã§ã€ãれらを使ã†ã“ã¨ã§ãƒ¡ãƒ¢ãƒªã®ä½¿ç”¨çŠ¶æ³ã‚’調ã¹ã‚‹ã“ã¨ãŒã§ãる。ä¸ã§ã‚‚ã€net/http/pprofãŒæ‰‹è»½ã§ä¾¿åˆ©ã ã£ãŸã€‚ net/http/pprofをプãƒã‚°ãƒ©ãƒ ã«çµ„ã¿è¾¼ã‚€ã“ã¨ã§ãƒ€ã‚¤ãƒŠãƒŸãƒƒã‚¯ãªãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«æƒ…å ±ã‚’Webブラウザã§è¡¨ç¤ºã—ã¦ã¿ã‚‹ã“ã¨ãŒã§ãる。使ã„æ–¹ã¯ã€ãƒ©ã‚¤ãƒ–ラリã®è§£èª¬ãƒšãƒ¼ã‚¸ã«ã‚ã‚‹ã¨ãŠã‚Šãªã‚“ã ã‘ã©ã€ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«ã‚’å–ã‚ŠãŸã„プãƒã‚°ãƒ©ãƒ 㧠import _ "net/http/pprof" ã¨importã—ãŸã‚ã¨ã€main関数ãªã©ã§ go func() { log.Println(http.ListenAndServe("localhost:6060", nil)) }() ã¨æ›¸ã„ã¦ãŠãã¨è‰¯ã„。 ã“ã®çŠ¶æ…‹ã§ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’buildã—ã¦å®Ÿè¡Œã™ã‚‹ã€‚プãƒã‚°ãƒ©ãƒ ã®å®Ÿè¡Œä¸ã«ã€http://localhost:606
Open Sourcing Our Go Libraries
Dropbox owes a large share of its success to Python, a language that enabled us to iterate and develop quickly. However, as our infrastructure matures to support our ever growing user base, we started exploring ways to scale our systems in a more efficient manner. About a year ago, we decided to migrate our performance-critical backends from Python to Go to leverage better concurrency support and
Raft
2. 自己紹介 ï¬ ä¹…ä¿ç”°å±•è¡Œ (@nobu_k) ï¬ Preferred Infrastructure America, Inc. å–ç· å½¹ ï¬ æœ¬æ—¥ã® NG ワード「ã„ã¤ã‚¢ãƒ¡ãƒªã‚«è¡Œãã®ï¼Ÿã€ ï¬ MessagePack for C,C++ メンテナ ï¬ åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã€ DB ã€æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ ï¬ æœ€è¿‘ golang ã«å¤¢ä¸ 2 3. 今日ã®è©±ï¼š Raft ï¬ Raft ã¨ã¯ ï¬ è¤‡è£½ã•ã‚ŒãŸãƒã‚°ã‚’管ç†ã™ã‚‹ãŸã‚ã®ã‚³ãƒ³ã‚»ãƒ³ã‚µã‚¹ ( åˆæ„ ) アルゴリズ ãƒ ï¬ Raft ã¯ã‚ã‹ã‚Šã‚„ã™ã•ã‚’é‡è¦–ã—ã¦ä½œã‚‰ã‚ŒãŸ ï¬ æ—¢å˜ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã¯é›£ã—ã™ãŽã¦æ£ã—ã実装ã™ã‚‹ã®ãŒå›°é›£ ï¬ ã‚‚ã—ãã¯ã€é›£ã—ã„部分を簡å˜ã«ã—よã†ã¨ã—ã¦å®‰å…¨ã§ã¯ãªããªã£ãŸã‚Š ï¬ ã“ã®å…ˆç”Ÿãã®ã“ã‚‹ã«ã¯åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã®ç†è§£ãŒå¿…é ˆ ï¬ ã‚³ãƒ³ã‚»ãƒ³ã‚µã‚¹ã¯å®‰å…¨ãªåˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ を構築ã™ã‚‹ä¸Šã§å¿…é ˆã®ãƒˆãƒ”ック ï¬ ãƒ„ãƒ¼ãƒ«ã¨ã—ã¦ä½¿ã†ã«ã—ã¦ã‚‚ã€ä¸èº«ã‚„特性ã¯ç†è§£ã—ã¦ãŠãã¹ã
高速ã«Go言語ã®CLIツールをã¤ãã‚‹cli-initã¨ã„ã†ãƒ„ールをã¤ãã£ãŸ
高速ã«Go言語ã®CLIツールをã¤ãã‚‹cli-initã¨ã„ã†ãƒ„ールをã¤ãã£ãŸ tcnkms/cli-init・GitHub cli-initを使ãˆã°ï¼ŒGo言語コマンドラインツール作æˆæ™‚ã®ãŠæ±ºã¾ã‚Šãƒ‘ターンをテンプレートã¨ã—ã¦è‡ªå‹•ç”Ÿæˆã—，コア機能ã®è¨˜è¿°ã«é›†ä¸ã™ã‚‹ã“ã¨ãŒã§ãる． デモ 以下ã¯ç°¡å˜ãªå‹•ä½œä¾‹ï¼Ž 上ã®ãƒ‡ãƒ¢ã§ã¯ï¼Œaddã¨list，deleteã¨ã„ã†ã‚µãƒ–コマンドをもã¤todoアプリケーションを生æˆã—ã¦ã„る．生æˆçµæžœã¯ï¼Œtcnksm/sample-cli-initã«ã‚る． 背景 Go言語ã§ä½œã‚‰ã‚ŒãŸã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ールを見ã¦ã„ã‚‹ã¨ï¼Œcodegangsta/cliã¨ã„ã†ãƒ‘ッケージãŒã‚ˆã使ã‚ã‚Œã¦ã„る． ã“ã‚Œã¯ï¼Œã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ールã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã‚’定義ã™ã‚‹ãŸã‚ã®ãƒ©ã‚¤ãƒ–ラリã§ï¼Œã“れを使ãˆã°ï¼Œã‚µãƒ–コマンドをもã¤ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ールを簡å˜ã«ã¤ãã‚‹ã“ã¨ãŒã§ãる（Usageを自動ã§ç”Ÿæˆã—ã¦ãã‚ŒãŸã‚Šï¼Œbash
Go by Example
Go is an open source programming language designed for building scalable, secure and reliable software. Please read the official documentation to learn more. Go by Example is a hands-on introduction to Go using annotated example programs. Check out the first example or browse the full list below. Unless stated otherwise, examples here assume the latest major release Go and may use new language fea
ʕ　 ﾟ皿ﾟ Ê” Golangã®Web Application Frameworkを色々試ã—ã¦ã¿ã¦ã‚‚ã„ã„ã‹ã—ら？ - ( ꒪⌓꒪) ゆるよã‚日記
ã†ã¡ã®ãƒ¡ãƒãƒ³ã¡ã‚ƒã‚“ã¯Lv.117ã§ã™ã€‚ Golangã§ã€ç°¡å˜ãªWebアプリケーションをã„ãã¤ã‹ã®ãƒ•ãƒ¬ãƒ¼ãƒ ワークを用ã„ã¦ä½œæˆã—ã¦ã¿ãŸã€‚ サンプルアプリケーションã¯ã€ã“ã‚“ãªæ„Ÿã˜ã®Photoギャラリーアプリケーションã§ã€ç”»åƒURLを入力ã™ã‚‹ã¨è¿½åŠ ã•ã‚Œã‚‹ã€‚ Pureã¨ã„ã†CSSフレームワークã®ã‚µãƒ³ãƒ—ルã‹ã‚‰æ‹å€Ÿã—ãŸã€‚ Photo Gallery – Layout Examples – Pure ソースコードã¯Githubã§å…¬é–‹ã—ã¦ã„る。 yuroyoro/golang_webapp_framework_samples · GitHub 今回試ã—ãŸã®ã¯ã€net/httpパッケージã€Martini〠Revel ã®3ã¤ã€‚ net/httpç·¨ ã¾ãšã¯åŸºæœ¬ã®net/http編。ソースコードã¯ã“ã¡ã‚‰ã€‚ http - The Go Programming Language net/httpパッケージã§ã‚µãƒ¼ãƒãƒ¼ã‚’
Go Conference 2014 springを開催ã—ã¾ã—㟠#gocon - YAMAGUCHI::weblog
ã¯ã˜ã‚ã« ã“ã‚“ã«ã¡ã¯ã€Goç•Œã®ãƒ¦ã‚¢ãƒ³ãƒ»ãƒžã‚¯ãƒ¬ã‚¬ãƒ¼ã§ã™ã€‚5月最終日ã«ãƒªã‚¯ãƒ«ãƒ¼ãƒˆãƒ©ã‚¤ãƒ•ã‚¹ã‚¿ã‚¤ãƒ«ã•ã‚“ã®ä¼šå ´ã‚’ãŠå€Ÿã‚Šã—ã¦Go Conference 2014 springを開催ã—ã¦ãã¾ã—ãŸã€‚ Go Conference 2014 spring - connpass GoCon/2014spring.rst at master · GoCon/GoCon · GitHub å‰å›žã¯ã€Œæ–°å¹¹ç·šã‚’使ã£ã¦å‚åŠ ã—ã¦ãã‚ŒãŸäººã‚‚ã„ã¾ã—ãŸã€ã¨æ›¸ã„ã¦ã„ã¾ã—ãŸãŒã€ä»Šå›žã¯åƒ•ãŒå‘¼ã‚“ã Brad Fitzpatrik以外ã«ã€å›½å†…ã§ã‚‚飛行機を使ã£ã¦ç¦å²¡ã‹ã‚‰æ¥ã¦ç™ºè¡¨ã—ã¦ãれ㟠@monochromegane ã‚„ã€ãªã‚“ã¨ã‚·ãƒ‰ãƒ‹ãƒ¼ã‹ã‚‰Dave CheneyãŒå‚åŠ ã—ã¦ãã‚ŒãŸã‚Šã¨ã€æœ¬å½“ã«è¦æ¨¡ã®å¤§ãã„イベントã«ãªã£ã¦ããŸãªã¨å®Ÿæ„Ÿã—ã¦ã„ã¾ã™ã€‚ ç™ºè¡¨è€…ã‚¹ãƒ©ã‚¤ãƒ‰ï¼ˆç™ºè¡¨é †ï¼‰ 「ã‚ã¨ã§ã€ã¨ãªã£ã¦ã„ã‚‹ã‚‚ã®ã¯å…¬é–‹ã•ã‚Œæ¬¡ç¬¬è¿½åŠ ã—ã¾ã™ã€‚ Keynote: Br
Go in Production at Mackerel.io
Go Conference 2014 spring http://connpass.com/event/6370/
Go言語ã§ag(The Silver Searcher)ライクãªé«˜é€Ÿæ¤œç´¢ãƒ„ールをã¤ãã£ãŸã€‚EUC-JP/Shift-JISも検索ã§ãマス。
ã„ã¾ã‚„高速パターン検索ã¨ã„ãˆã°ag(The Silver Searcher)ã§ã™ãŒã€æ¤œç´¢å¯¾è±¡ãŒUTF-8ã®ãƒ†ã‚ストをå‰æã¨ã—ã¦ã„ã‚‹ãŸã‚ã€EUC-JPã‚„Shift-JISã¨ã„ã£ãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚’検索ã™ã‚‹ã®ã«èª²é¡ŒãŒã‚ã‚Šã¾ã™ã€‚ ã“ã‚Œã¾ã§ã€ãれらã®æ—¥æœ¬èªžæ–‡å—セットを検索ã§ãるよã†ã«ã™ã‚‹ãŸã‚ã€è‰²ã€…ã¨agã®æ”¹é€ ã€å…¬é–‹ã‚’è¡Œã£ã¦ã„ã¾ã—ãŸã€‚ ag(The Silver Searcher)ã§EUC-JP/Shift-JISã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚‚検索ã§ãるよã†ã«ã—ã¦ã¿ãŸ 日本語åœç‰¹åŒ–åž‹ag -白金- ã®é…å‚™ãŒå®Œäº†ã—ã¾ã—㟠ã—ã‹ã—ã€ç‰¹å®šã®å›½ã®æ–‡å—コードã ã‘ã«ç‰¹åŒ–ã—ãŸä¿®æ£ã¨ã„ã†ã®ã‚’masterã«å–り込んã§ã‚‚らã†ã‚ã‘ã«ã‚‚ã„ã‹ãšã€æ´¾ç”Ÿãƒ–ランãƒã¨ã—ã¦è¿½éšã™ã‚‹ã®ã‚‚ã€ã‚„ã¯ã‚Šé¢å€’… ãã“ã§å¹´å§‹ã«Go言語を触ã£ãŸã®ã‚’ãã£ã‹ã‘ã«ã€Go言語ã§ãƒ‘ターン検索ツールをã¤ãã£ã¦ã¿ã¾ã—ãŸã€‚ ã›ã£ã‹ããªã®ã§ãƒã‚¹ãƒˆagを目指ã—ã¦ã€ãƒ—ラãƒãƒŠã‚µãƒ¼ãƒãƒ£ãƒ¼(The Pl
Docker and Go: why did we decide to write Docker in Go?
Docker and Go: why did we decide to write Docker in Go? Docker is currently one of the most popular Go projects. After a (quick) Docker intro, we will discuss why we picked Go, and how it turned out for us. We tried to list all the drawbacks and minor inconveniences that we met while developing Docker; not to complain about Go, but to give the audience an idea of what to expect. Depending on your
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ãªã‚“ã‹ã”ã一部ã«è£œè¶³ã•ã‚Œã¦ã„ã‚‹ã®ã§ã€å¿µã®ãŸã‚軽ã説明ã—ã¦ãŠãã¾ã™ã€‚ masahiro nagano@kazeburoæŸæ‰€ã®lestrratã•ã‚“ã®golangãªã‚¢ãƒ—リã¯hot-deployãŒå¯èƒ½ã«ãªã£ã¦ã‚‹ã€‚サーãƒã¯server_starter経由ã§èµ·å‹•ã•ã‚Œã¦ã„ã¦ã€ãƒã‚¤ãƒŠãƒªæ¶ˆã—ã¦HUPã‚’é€ã‚‹ã¨è‡ªå‹•ã§ãƒ“ルドã—ãªãŠã—ã¦ãƒ—ãƒã‚»ã‚¹ã‚’入れ替ãˆã¦ãれる。便利 2014/04/30 12:18:31 ã“ã‚Œã€ãƒ™ã‚¹ãƒˆãªæ–¹æ³•ã ã¨ã¯æ€ã£ã¦ã„ãªã„ã‚“ã ã‘ã©ã€æœ€åˆã«ã“れを書ã„ãŸå½“時ã®è€ƒãˆæ–¹ã¯ä»¥ä¸‹ã®é€šã‚Šï¼š ã“ã‚Œã¯è‡ªåˆ†ã®éƒ¨ç½²ã§åˆã‚㦠本番ã«è¨ç½®ã™ã‚‹goアプリã§ã‚る一次対応をã™ã‚‹äººã¯è‡ªåˆ†ã¨ã¯é™ã‚‰ãªã„ç´°ã‹ã„コード内容ã®ä¿®æ£ã¯ã¨ã‚‚ã‹ãã€æ˜Žã‚‰ã‹ãªãƒã‚°ã£ã½ã„ã‚‚ã®ã®ä¿®æ£ï¼ˆä¾‹ï¼šSQLæ–‡ã®å¤‰æ›´ï¼‰ãªã©ã‚’自分以外ã®äººé–“ãŒæ–½ã—ãŸå¾Œã«ã‚µãƒ¼ãƒãƒ¼ã‚’ç°¡å˜ã«å†ã‚³ãƒ³ãƒ‘イル＋å†èµ·å‹•ã™ã‚‹ã™ã‚‹æ–¹æ³•ãŒãªã„ã¨æ¤…åãŒé™ã£ã¦ãる事ãŒå®¹æ˜“ã«äºˆæƒ³ã•ã‚Œã‚‹ Apache::Log
Goji - A web microframework for Golang
What is Goji? Goji is a HTTP request multiplexer, similar to net/http.ServeMux. It compares incoming requests to a list of registered Patterns, and dispatches to the Handler that corresponds to the first matching Pattern. Goji also supports Middleware (composable shared functionality applied to every request) and uses the standard context to store request-scoped values. Quick Start Install Goji by
Go development environment for Vim
Go development environment for Vim The reason for creating vim-go Go has a very versatile toolchain and commands that makes Go programming fun. One of the famous tools is gofmt, which automatically reformats the code according to some predefined rules. However there are many other tools like goimports, oracle, godef, etc.. which help to provide a more productive workflow. There are many independen
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