An Introduction to Go (CERN)A three-parts talk, each of one hour, covering the basic aspects of Go including type system, concurrency, standard library, and tooling. There was a…
A visual guide to Go Memory Allocator from scratch (Golang)
[ 00000000000000000000000000000000 ] — low memory address. [ 11111111111111111111111111111111 ] — high memory address. 4. Since we have a 32-bit address for each byte, so our address space consists of ²³² addressable bytes (4 GB) (in the above Illustrative representation). So the addressable bytes depends upon the total address line, so for 64 address line (x86–64 CPUs) ²â¶â´ bytes of addressable by
:-): SSL ルート証明書をインストールã™ã‚‹, go(golang) ã® NetBSD ã§ã® SSL ルート証明書ã®ä½ç½®, lang/go をインストールã™ã‚‹, NetBSD 㧠mackerel-agent を使ㆠ- ヨタã®æ—¥ã€…(2016-08-16)
_ [NetBSD][SSL][ルート証明書]SSL ルート証明書をインストールã™ã‚‹ % cd /usr/pkgsrc/security/mozilla-rootcerts % make install clean clean-depends % mozilla-rootcerts install ã“ã“ã«å…¥ã‚‹ /etc/ssl/certs/ca-certificates.crt ref. Installing CA certificates on NetBSD - Frederic Cambus NetBSDã‚ã‚‹ã‚ã‚‹ - isiharaï¼ ã‚‹ã‚‹ã‚‹.ãŠãƒ¼ãã®ãºãƒ¼ã˜ _ [NetBSD][go][golang][SSL][ルート証明書]go(golang) ã® NetBSD ã§ã® SSL ルート証明書ã®ä½ç½® コードã§æ±ºã‚打ã¡ã•ã‚Œã¦ã„ã‚‹ã®ã§ /usr/pkgsrc/lang/go/work/go/
Go ãŒä»–ã®å¤šãã®è¨€èªžã§ã®éžåŒæœŸãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚ˆã‚Šã‚‚優れã¦ã„ã‚‹ç†ç”± - Qiita
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Go言語感想文 - ãªã‚‹ã›ã«ã£ã
åº æœ€è¿‘ã€æ•µæƒ…視察を兼ããŸä»•äº‹ã¨ã¨ã—ã¦Goã§ã‚¢ãƒ—リケーションを書ã„ã¦ã„ãŸã€‚ã“ã®ã‚¢ãƒ—リケーションãŒã©ã‚“ãªã‚‚ã®ã‹ã¯ãã®ã†ã¡id:tagomorisã•ã‚“ãŒã©ã“ã‹ã§è©±ã™ã¨æ€ã†ã‘ã‚Œã©ã€ã“ã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆãŒOSS化ã•ã‚Œã‚‹äºˆå®šã¯ã„ã¾ã®ã¨ã“ã‚ãªã„ã®ã§ã€ãã“ã§å¾—ãŸçŸ¥è¦‹ã‚’ã“ã“ã«ã¾ã¨ã‚ã¦ãŠãã“ã¨ã«ã™ã‚‹ã€‚ Goroutineã¨Channel ã•ã¦ã€Goã¨ã„ãˆã°Goroutineã¨Channelã§ã™ã。 Goroutineã¯ã‚ˆã†ã™ã‚‹ã«ã‚¹ãƒ¬ãƒƒãƒ‰ãªã‚“ã§ã™ãŒã€æ–‡æ³•ã¨å®Ÿè£…ã®æ”¯æ´ã§ã‚ˆã‚Šæ°—軽ã«ä½¿ãˆã‚‹ã®ãŒä»–ã®è¨€èªžã¨ã®é•ã„ã§ã—ょã†ã‹ã€‚ãªã®ã§ã€Goroutineã‚’ã©ã‚Œã ã‘ã»ã„ã»ã„使ã†ã¹ãã‹ã¨ã„ã†ã‚³ã‚¹ãƒˆæ„Ÿè¦šã‚’身ã«ã¤ã‘ã‚‹ã“ã¨ãŒã¨ã¦ã‚‚大事ãªæ°—ãŒã—ã¾ã™ã€‚Rubyãªã©ã¨ã¯æ°—æŒã¡ã‚’切り替ãˆã¦ã„ãå¿…è¦ãŒã‚ã‚‹ã§ã—ょã†ã€‚ã¼ãã¯ã¾ã 切り替ãˆãã‚Œã¦ã„ã¾ã›ã‚“。 ã‚‚ã†ä¸€ã¤ãŒChannelã§ã™ã。ã“ã‚Œã¯ç«¯çš„ã«ã¯ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚ューã§ã™ã€‚ Goã¯å‰è¿°ã®é€šã‚ŠåŒæ™‚ã«å‹•ã
Go言語ã®ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ GC　ç†è«–ã¨å®Ÿè·µ | POSTD
(編注：誤訳ã€æ„味ã®åˆ†ã‹ã‚Šã¥ã‚‰ã„訳を修æ£ã—ã¾ã—ãŸã€‚リクエストã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚) 毎日ã€Pusherã¯æ•°åå„„ã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’リアルタイムã€ã¤ã¾ã‚Šé€ã‚Šå…ƒã‹ã‚‰å®›å…ˆã¾ã§100ms未満ã§é€ä¿¡ã—ã¦ã„ã¾ã™ã€‚ã©ã®ã‚ˆã†ã«ã—ã¦ãれをå¯èƒ½ã«ã—ã¦ã„ã‚‹ã®ã§ã—ょã†ã‹ã€‚é‡è¦ã¨ãªã‚‹è¦å› ã¯Goã®ä½Žãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ã®ã‚¬ãƒ™ãƒ¼ã‚¸ã‚³ãƒ¬ã‚¯ã‚¿ã§ã™ã€‚ ガベージコレクタã¯ãƒ—ãƒã‚°ãƒ©ãƒ を一時åœæ¢ã•ã›ã‚‹ã‚‚ã®ã§ã‚ã‚Šã€ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ システムã®æ‚©ã¿ã®ç¨®ã§ã™ã€‚ãã®ãŸã‚ã€æ–°ã—ã„メッセージãƒã‚¹ã‚’è¨è¨ˆã™ã‚‹éš›ã«ã¯æ…Žé‡ã«è¨€èªžã‚’é¸ã³ã¾ã—ãŸã€‚Go㯠低レイテンシを強調ã—ã¦ã„ã‚‹ ã‚‚ã®ã®ã€ç§ãŸã¡ã¯æ‡ç–‘çš„ã§ã—ãŸã€‚「本当ã«Goを使ãˆã°å®Ÿç¾ã§ãã‚‹ã®ã‹ï¼Ÿã€€ã‚‚ã—ã§ãã‚‹ãªã‚‰ã©ã†ã‚„ã£ã¦ï¼Ÿã€ ã“ã®ãƒ–ãƒã‚°è¨˜äº‹ã§ã¯Goã®ã‚¬ãƒ™ãƒ¼ã‚¸ã‚³ãƒ¬ã‚¯ã‚¿ã‚’ã€ã©ã®ã‚ˆã†ã«æ©Ÿèƒ½ã—（トリコãƒãƒ¼ãƒ«ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ）ã€ãªãœæ©Ÿèƒ½ã—（ã“ã‚“ãªã«çŸã„GCã«ã‚ˆã‚‹ä¸€æ™‚åœæ¢æ™‚é–“ã®å®Ÿç¾ï¼‰ã€ãã—ã¦ä½•ã‚ˆã‚Šã‚‚ã€ãã‚ŒãŒæ©Ÿèƒ½ã™ã‚‹ã®ã‹ã©ã†ã‹ï¼ˆGCã«ã‚ˆã‚‹
Developing for Multiple Platforms With Go
The Go language was designed to be a systems language usable across multiple platforms. It has a number of built-in language and build features that make it ideal for easy cross-platform development. This post covers how we do and do not use these features, with some examples, and some things we’ve found on the way that still aren’t perfect. This post is adapted from a presentation I made at a Go
What's in a name?
What's in a name? October 2014 Andrew Gerrand Google Inc. Names matter Readability is the defining quality of good code. Good names are critical to readability. This talk is about naming in Go. 2 Good names A good name is: Consistent (easy to guess), Short (easy to type), Accurate (easy to understand). 3 A rule of thumb The greater the distance between a name's declaration and its uses, the longer
Big Sky :: golang ã® channel を使ã£ãŸãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚ã‚Œã“ã‚Œ
golang ã® channel ã¯ä»–ã®è¨€èªžã«è¦‹ãªã„独特ã®ãƒ‘ラダイムを開発者ã«æä¾›ã—ã¾ã™ã€‚ å˜ç´”ã«ã‚¹ãƒ¬ãƒƒãƒ‰é–“ã§ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãƒ³ã‚°ã‚’ã™ã‚‹ã ã‘ã§ã‚‚C言語ã§æ›¸ã‘ã°ãã“ãã“ã®é‡ã«ãªã£ãŸã‚Šã€æ…£ã‚Œã¦ã„ãªã„人ã§ã‚ã‚Œã°ã©ã†å®Ÿè£…ã™ã‚Œã°ã„ã„ã‹åˆ†ã‹ã‚‰ãªã„ãªã‚“ã¦äº‹ã‚‚ã‚ã£ãŸã¨æ€ã„ã¾ã™ã€‚ã—ã‹ã— golang ã® goroutine/channel ã¯ã€ã‚„ã£ã¦ã„る内容ã®å‰²ã«ã¨ã¦ã‚‚容易ã«ã‚¹ãƒ¬ãƒƒãƒ‰é–“通信やã‚ューイングã€å‡¦ç†ã®å—ã‘å¾…ã¡ç‰ã‚’実装ã§ãる様ã«ãªã£ã¦ã„ã¾ã™ã€‚å°šã€channel ã‚’ã©ã®æ§˜ã«é©ç”¨ã—ãŸã‚‰è‰¯ã„ã‹ã«ã¤ã„ã¦ã¯ä»¥ä¸‹ã‚’å‚照下ã•ã„。 Big Sky :: Golang ã® channel ã®ä½¿ã„所 golang ã®ç‰¹å¾´ã¨è¨€ãˆã° goroutine 㨠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® grout... http://mat
golang 㯠ゆるãµã‚ã« JSON を扱ãˆã¾ãã™! — KaoriYa
以下ã®ãƒ„イートã«ã‚‚ã‚る通りã€ä¸€è¦‹ golang 㯠struct を定義ã—ãªã„㨠JSON を扱ãˆãªã„よã†ã«è¦‹ãˆã¾ã™ã€‚ä»–ã«ã‚‚ä¼¼ãŸã‚ˆã†ãªãƒ„イートをãƒãƒ©ãƒ›ãƒ©ã¨è¦‹ã‹ã‘ã¾ã—ãŸãŒã€ãれらã¯å…¨éƒ¨èª¤è§£ã§ã™ã€‚ãã“ã§ã“ã®è¨˜äº‹ã§ã¯ã€golang ã§ã‚†ã‚‹ãµã‚ (structを定義ã›ãš) ã« JSON を扱ã†æ–¹æ³•ã‚’紹介ã—ã¾ã™ã€‚ golang。rubyã®ã‚ˆã†ã«ã‚†ã‚‹ãµã‚ã«JSONã¯æ‰±ãˆãªã„? https://t.co/olsryDHc5G — bamchoh (@bamchoh) 2016å¹´6月24æ—¥ ã“ã®è¨˜äº‹ã§ã¯å…¥åŠ›ã® json.Unmarshal() ã‚’å–り扱ã„ã¾ã™ãŒã€å‡ºåŠ›ã® json.Marshal() ã«ã‚‚応用ã§ãã¾ã™ã€‚ TL;DR json.Unmarshal() ã«ã¯ *interface{} を渡ã›ã¾ã™ interface{} 㯠dproxy を使ã†ã¨ã€å€¤ã®ã‚¢ã‚¯ã‚»ã‚¹ã§æ¥½ãŒã§ãã¾ã™ json.Unmar
NetBSD/earm 7.0ã§goãƒã‚¤ãƒŠãƒªã‚’å‹•ã‹ã™ãŸã‚ã®æ‚ªæˆ¦è‹¦é—˜ã®è¨˜éŒ²
ã•ã¦ã€ã€Œå‹•ã‹ãªã„ã€å‹•ããŒå¤‰ã ã€ã ã‘ã§ã¯ä½•ã‚‚ã‚ã‹ã‚Šã¾ã›ã‚“。ã¾ãšã¯ä½•ãŒå•é¡Œã‹ã‚’把æ¡ã—ãªã‘ã‚Œã°ãªã‚Šã¾ã›ã‚“。今回ã®ç¾è±¡ã¯æ¬¡ã®æ§˜ã«ãªã‚Šã¾ã™ã€‚ NetBSD/arm 7.0環境ã§Goã®ã‚»ãƒ«ãƒ•ãƒ“ルドを行ã†ã¨ã€æœ€åˆã«ä½œã‚‰ã‚Œã‚‹Go実行ãƒã‚¤ãƒŠãƒª(※注3) ã§ã‚ã‚‹go_bootstrapã®åˆã‚ã¦ã®å®Ÿè¡Œã§ã‚·ã‚¹ãƒ†ãƒ ãŒãƒãƒ³ã‚°ã‚¢ãƒƒãƒ—ã™ã‚‹ã€‚ NetBSD/arm 6.x環境ã§å‹•ä½œã™ã‚‹ã‚ˆã†ã«ãªã£ãŸGo言語環境ã§ã‚³ãƒ³ãƒ‘イル(go build)ã—ãŸæœ€ä½Žé™ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã‚ã‚‹helloãƒã‚¤ãƒŠãƒª(※注4) ã‚’NetBSD/arm 7.0環境(OABI)ã§å®Ÿè¡Œã™ã‚‹ã¨ã€Abort Trapã¨ãªã‚Šæ£å¸¸ã«å®Ÿè¡Œã•ã‚Œãªã„。 ã¾ãšgo_bootstrapã§OSãŒç„¡å¿œç”ã«ãªã‚‹ç¾è±¡ã‚’調ã¹ã¾ã™ã€‚コマンドやCntl-Cã€æ–°è¦ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‹ã‚‰ã®sshセッションã¯ç„¡å¿œç”ã§ã—ãŸã®ã§ã€ã‚·ã‚¹ãƒ†ãƒ コンソールã§ã‚«ãƒ¼ãƒãƒ«ãƒ‡ãƒãƒƒã‚¬ã«å…¥ã£ã¦ã¿ã¾ã™ã€‚Raspberry Pi
logger ã®ãƒ‘フォーマンスã«ã¤ã„㦠[Go] - methaneã®ãƒ–ãƒã‚°
Go ã® logging ライブラリã€ä»Šã¯ã¨ã‚Šã‚ãˆãšæ¨™æº–ライブラリ㮠log ã‹ google/glog を使ã£ã¦ã„ã‚‹ã‚“ã ã‘ã©ã€ log ã¯æ©Ÿèƒ½ä¸è¶³ãŒã€ glog 㯠Google 標準ライブラリãªã®ã§ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã‚’調整ã—ãŸã‚Š flag 以外ã§ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã™ã‚‹ãŸã‚ã« fork ã—ãªã„ã¨ã„ã‘ãªã‹ã£ãŸã‚Šã™ã‚‹ã®ã§ã€ä»–ã®ãƒã‚®ãƒ³ã‚°ãƒ©ã‚¤ãƒ–ラリã©ã‚ŒãŒè‰¯ã„ã‹æ™‚々話題㮠logger を覗ã„ã¦ã¿ã¦ã„ãŸã€‚ çµæžœã€ã‚‚ㆠlogrus ã§è‰¯ã„ã‹ãªãƒ¼ã¨æ€ã£ã¦ã„ã‚‹ã‚“ã ã‘ã©ãã‚Œã¯ã„ã£ãŸã‚“ç½®ã„ã¦ãŠã„ã¦ã€é¸å®šåŸºæº–ã®1ã¤ã®ãƒ‘フォーマンスã«ã¤ã„ã¦æ›¸ã„ã¦ãŠã。 logger ã®ãƒ‘フォーマンスã§ä¸€ç•ªé‡è¦ãªã®ã¯ã€ãƒã‚°ã‚’書ã‹ãªã„時ã®ãƒ‘フォーマンスã 。 デãƒãƒƒã‚°ç”¨ã®è©³ç´°ãªãƒã‚°ã‚’ã„ãŸã‚‹ã¨ã“ã‚ã«æ•£ã‚Šã°ã‚ã¦ã„るアプリケーションã§ã‚‚ã€ãƒã‚°ãƒ¬ãƒ™ãƒ«ã‚’ WARN ã«ã—ã¦ãŠã‘ã°ã€ DEBUG レベルã®ãƒã‚°ãŒãƒ‘フォーマンスã«ä¸Žãˆã‚‹å½±éŸ¿ã‚’最低é™ã«ã§ãã‚‹ã¹ã
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Goã§Web APIを作る - JSON Hyper-Schemaã‹ã‚‰ã„ã‚ã„ã‚生æˆã™ã‚‹
2015.08.24 リブセンス様社内勉強会LT資料
GOPATH ã¯é©å½“ã«æ±ºã‚ã¦å•é¡Œãªã„ - Qiita
TL;DR go get 㯠Ruby ã§ã„ㆠgem ã¿ãŸã„ãªã‚‚ã‚“ $GOPATH ã¯è‡ªåˆ†ã®ç’°å¢ƒã«åˆã‚ã›ã¦å¥½ãã«æŒ‡å®šã—ã¦ã‚ˆã„ 例ãˆã° $HOME/.go ã¨ã‹ $HOME/go ã¨ã‹ 好ãã«è¨å®šã—ã¦ã‚‚ã„ã„ã‘ã©ã€ä¸€åº¦è¨å®šã—ãŸã‚‰ãれをãšã£ã¨ä½¿ã„続ã‘ãŸæ–¹ãŒãŸã¶ã‚“ã„ã„ ç¾åœ¨ã§ã¯ã€GOPATHを明示的ã«è¨å®šã—ãªã„å ´åˆã¯è‡ªå‹•çš„ã«è¨å®šã•ã‚Œã‚‹ã€‚ Wikiより If no GOPATH is set, it is assumed to be $HOME/go on Unix systems and %USERPROFILE%\go on Windows. ã“ã¨ã®å§‹ã¾ã‚Š homebrewã§Goをインストールã—ãŸã‚‰ã®ã£ã‘ã‹ã‚‰ Go 1.1 ã‹ã‚‰ go get コマンド㯠$GOROOT をパッケージダウンãƒãƒ¼ãƒ‰å…ˆã¨ã—ã¦ä½¿ã‚ãªããªã‚Šãªã‚Šã¾ã—ãŸã€‚ go get 使ã†ã«ã¯ $GOPATH ãŒå¿…è¦ã§ã™ã€‚ ã¨è¨€ã‚ã‚Œã¦ã€
ダウンタイム・ゼãƒã‚’支ãˆã‚‹æŠ€è¡“ in Go 2015.04.23 Fukuoka.go#7 @monochromegane | Stobo
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