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yujiorama 2023/09/17
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yujiorama 2023/01/29
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Goã®HTTPã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆãŒAWS NLBé…ä¸‹ã«ã‚ã‚‹ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã¨é€šä¿¡ã™ã‚‹ã¨ãã«5-tupleãŒåˆ†æ•£ã—ãªã„ã®ã§ç‰¹å®šã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã«ã—ã‹è² è·åˆ†æ•£ã•ã‚Œãªã„ã¨ã„ã†è©±é¡Œ - ãã®æ‰‹ã®å¹³ã¯å°»ã‚‚ã¤ã‹ã‚ã‚‹ã•
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yujiorama 2023/01/18
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go
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Nintendo Switchâ„¢ ãƒã‚¤ãƒ†ã‚£ãƒ–ãƒã‚¤ãƒŠãƒªã¸ã® Go ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã‚’æˆåŠŸã•ã›ãŸè©±
æœ¬è¨˜äº‹ã¯ã€ŒGo Advent Calenderã€25 æ—¥ç›®ã®æŠ•ç¨¿ã§ã™ã€‚ Happy Holidays! EDIT (2022-01-03): There is an English version of this article. tl;dr ã„ã¾ã¾ã§ã¯ Go ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ Nintendo Switch ä¸Šã§å‹•ã‹ã™ãŸã‚ã« WebAssembly ã«ä¸€åº¦å¤‰æ›ã—ã€ãã‚Œã‚’ C++ ã«å¤‰æ›ã—ã¦ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã¨ã„ã†ã“ã¨ã‚’è¡Œã£ã¦ãã¾ã—ãŸã€‚ä»Šå›žã€ Go ã® Nintendo Switch å‘ã‘ãƒã‚¤ãƒ†ã‚£ãƒ–ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã«æˆåŠŸã—ã€å®Ÿéš›ã«æ‰‹å…ƒã§ã‚²ãƒ¼ãƒ ã‚’å‹•ã‹ã™ã“ã¨ãŒã§ãã¾ã—ãŸã€‚æ‰‹æ³•ã¨ã—ã¦ã€ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«å‘¼ã³å‡ºã—ã‚’ C ã®é–¢æ•°å‘¼ã³å‡ºã—ã«ç½®ãæ›ãˆã‚‹ã‚ˆã†ã« -overlay ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æŒ‡å®šã—ã¦ãƒ“ãƒ«ãƒ‰ã—ã¾ã—ãŸã€‚ã¾ãŸã€ -overlay ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã«æŒ‡å®šã™ã‚‹ JSON ã‚’ç”Ÿæˆã™ã‚‹ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ Hitsumabushi ã‚’é–‹
yujiorama 2021/12/25
"æœ¬ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆãŒã»ã¼æˆåŠŸã—ãŸã“ã¨ã«ã‚ˆã‚Šã€ Go Conference ã§ç™ºè¡¨ã—ãŸæ‰‹æ³•ã¯éŽåŽ»ã®ã‚‚ã®ã«ãªã‚Šã¤ã¤ã‚ã‚Šã¾ã™ã€‚" ã•ã‚‰ã«å…ˆã¸é€²ã‚“ã§ã¦ã™ã”ã„

go
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all: gofmt -w -r 'interface{} -> any' src Â· golang/go@2580d0e
And then revert the bootstrap cmd directories and certain testdata. And adjust tests as needed. Not reverting the changes in std that are bootstrapped, because some of those changes would appear in API docs, and we want to use any consistently. Instead, rewrite 'any' to 'interface{}' in cmd/dist for those directories when preparing the bootstrap copy. A few files changed as a result of running gof
yujiorama 2021/12/18
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go
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ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒ©ã‹ã‚‰å¦ã¶Goãƒ©ãƒ³ã‚¿ã‚¤ãƒ ã€œcode reading of runtime pkgã€œ
21/11/13 Go Conference 2021 Autumnã«ã¦ç™ºè¡¨ https://gocon.jp/2021autumn/ https://gocon.connpass.com/event/213865/
yujiorama 2021/11/13
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go
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A visual guide to Go Memory Allocator from scratch (Golang)
When I first started trying to understand the memory allocator of Go, it was maddening. Everything seemed like a mystical black box. As almost every technical wizardry is hidden beneath abstractions, you need to peel off those layers one by one to understand it. In this blog post, we will exactly do that. Do you want to learn everything about Go memory allocator? Youâ€™re reading the right article.
yujiorama 2021/10/12
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go
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ãã®å¾Œã®golangã¨(Dockerã¨)OOM â€” KaoriYa
å‰ã®è¨˜äº‹:golangã¨Dockerã¨OOM ã‚’æ›¸ã„ãŸå¾Œã§ Goå´ã®äº‹æƒ…ã«å¤‰åŒ–ãŒã‚ã£ãŸãŸã‚ã€ ã‚ã®è¨˜äº‹ã«æ›¸ã‹ã‚ŒãŸæ–¹æ³•ã¯ç¾å®Ÿçš„ãªé¸æŠžè‚¢ã§ã¯ãªããªã£ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ ã“ã®è¨˜äº‹ã§ã¯ç§ãŒä½¿ã£ã¦ã„ã‚‹Go 1.14ä»¥é™ã§ã®OOMå¯¾ç–ã¨ã€ ã©ã†ã—ã¦ãã†ã›ã–ã‚‹ã‚’å¾—ãªã‹ã£ãŸã®ã‹è§£èª¬ã‚’ãŠå±Šã‘ã—ã¾ã™ã€‚ TL;DR Goã®64ãƒ“ãƒƒãƒˆç‰ˆã¯VSZã®æœ€å°è¦æ±‚é‡ãŒå¤§å¹…ã«æ‹¡å¤§ã—ãŸ (500MBè¶…) å‰ã®è¨˜äº‹ã§ç´¹ä»‹ã—ãŸæ–¹æ³•ãŒç¾å®Ÿçš„ã§ã¯ãªããªã£ãŸ VSZã®åˆ¶é™ã‚’RSSã«è»¢ç”¨ã™ã‚‹=æœ€ä½Žã§ã‚‚500MBã®RSSã‚’è¨å®šã™ã‚‹ã“ã¨ã«ãªã‚‹ ä»£ã‚ã‚Šã«è‡ªãƒ—ãƒã‚»ã‚¹ã®RSSã‚’ç›£è¦–ã—ã¦é–¾å€¤ã‚’è¶…ãˆãŸã‚‰ã‚¢ãƒãƒˆãƒ¼ã‚·ã‚¹ã™ã‚‹ã‚ˆã†ã«ã—ãŸ RSSå–å¾—ç”¨ã®koron-go/phymemãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ä½œæˆã—ãŸ Background ã‚ã®è¨˜äº‹ã‚’æ›¸ã„ãŸç¿Œæœˆæœ«ã«Go 1.14ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸã€‚ ãã®å¤‰æ›´ç‚¹ã®ä¸ã«ä»¥ä¸‹ã®è¨˜è¿°ãŒã‚ã‚Šã¾ã™ã€‚ The page allocator
yujiorama 2021/07/23
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go
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Goã¯ã„ã¤GCã™ã‚‹ã®ã‹?
TL;DR Go(ã®ãƒ©ãƒ³ã‚¿ã‚¤ãƒ )ã¯ä»¥ä¸‹ã®ã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§è‡ªå‹•çš„ã«GCã‚’å®Ÿè¡Œã™ã‚‹ å‰å›žã®GCå¾Œã«å æœ‰ã—ã¦ã„ãŸãƒ¡ãƒ¢ãƒªã¨åŒé‡ã‚’æ–°ãŸã«ç¢ºä¿ã—ãŸã¨ã å‰å›žã®GCã‹ã‚‰2åˆ†å¾Œ cgroupãªã©ã§ãƒ¡ãƒ¢ãƒªåˆ¶é™ã—ã¦ã„ã‚‹ã¨ãã¯ã€ãƒ¡ãƒ¢ãƒªä½¿ç”¨é‡ãŒåˆ¶é™ã®50%ä»¥ä¸Šã«ãªã£ãŸã‚‰runtime.GC()ã‚’å‘¼ã³æ‰‹å‹•ã§GCã™ã¹ãã§ã‚ã‚‹ å‰ç½®ã: Goã¨OOMã®ã“ã‚Œã¾ã§ ä»¥ä¸‹ã¯Go 1.16ã§ã®èª¿æŸ»çµæžœã§ã™ã€‚Goã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒç•°ãªã£ãŸå ´åˆã¯äº‹æƒ…ãŒç•°ãªã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ Goã§ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ãéš›ã«ã€ä½¿ç”¨ãƒ¡ãƒ¢ãƒªé‡ã‚’æ°—ã«ã—ãªã‘ã‚Œã°ãªã‚‰ãªã„ã‚·ãƒ¼ãƒ³ã¯GCã®ãŠã‹ã’ã§ãã†å¤šãã¯ã‚ã‚Šã¾ã›ã‚“ã€‚å®Ÿéš›ãã‚Œã¯é–“é•ã„ã§ã¯ãªã„ã®ã§ã™ãŒã€é‹ç”¨ã¾ã§è¦–é‡Žã«å…¥ã‚Œã‚‹ã¨ãã†ã¯è¨€ã£ã¦ã‚‰ã‚Œãªã„ã“ã¨ãŒã‚ã‚‹ã®ã‚‚ã¾ãŸç¾å®Ÿã§ã™ã€‚æ˜¨ä»Šã¯ã‚³ãƒ³ãƒ†ãƒŠã®åˆ©ç”¨ãŒå½“ãŸã‚Šå‰ã«ãªã£ãŸã“ã¨ã«ä¼´ã„ã€OOMã«ã‚ˆã‚Šãƒ—ãƒã‚»ã‚¹ãŒå¼·åˆ¶çš„ã«çµ‚äº†ã•ã›ã‚‰ã‚Œã‚‹ã“ã¨ã‚‚ã‚ã‚Šã€ãã‚Œã‚’é¿ã‘ã‚‹ãŸã‚ã«ä¸€å®šé‡ä»¥ä¸‹ã®ãƒ¡ãƒ¢ãƒªã§å‹•ãã“ã¨ãŒé‡
yujiorama 2021/07/21
RSSãŒOOMã®ç™ºç”Ÿæ¡ä»¶ã«ãªã£ã¦ã‚‹ç’°å¢ƒã§ã¯ç©æ¥µçš„ã«runtime.GC()ã—ãŸã»ã†ãŒã„ã„ã¿ãŸã„ã€‚åœæ¢æ™‚é–“ã¯10msãã‚‰ã„ã§æ¸ˆã‚€ã®ã‹ãª https://deeeet.com/writing/2016/06/29/toc/

go
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How does Go know time.Now?
I thought about this just before I went to sleep the other day, and the answer was more interesting than Iâ€™d imagined! This post may be a little longer than usual, so grab your coffees, grab your teas and without further ado, letâ€™s dive in and see what we can come up with. All code snippets point to a stable reference; in this case to release-branch.go1.16. About time.Time First off, itâ€™s useful t
yujiorama 2021/04/05
time.Timeã®æ§‹é€ (walltimeã¨å˜èª¿å¢—åŠ ã‚¯ãƒãƒƒã‚¯ã‚’ä¸¡æ–¹æŒã£ã¦ã‚‹)ã€ã‚¢ã‚»ãƒ³ãƒ–ãƒ©å®Ÿè£…ã®runtime.walltime1é–¢æ•°ã€ãƒã‚±ãƒ¼ãƒ«ã®å®Ÿè£…ã€‚ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ãƒªãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã ãªã

go
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netaddr.IP: a new IP address type for Go
WireGuard is a registered trademark of Jason A. Donenfeld. Tailscale needed a better IP address type Tailscale is a networking application so naturally we need to work with and manipulate IP addresses and sets of IP addresses often. Being written almost entirely in Go, the obvious choice would be for Tailscale to use the Go standard libraryâ€™s net.IP address type for individual IPs and net.IPNet ty
yujiorama 2021/03/15
go
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sq
sq is a free/libre open-source data wrangling swiss-army knife to inspect, query, join, import, and export data. You could think of sq as jq for databases and documents, facilitating one-liners like:
yujiorama 2021/03/08
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go

sql

database
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Compile SQL to type-safe code
Compile SQL to type-safe code; catch failures before they happen. You write SQL queries You run sqlc to generate code that presents type-safe interfaces to those queries You write application code calling the methods sqlc generated. Seriously, it's that easy. You don't have to write any boilerplate SQL querying code ever again. See the current list of supported programming languages and databases.
yujiorama 2021/03/08
RESTful API ã‚‚ç”Ÿæˆã§ããã†ã ãªâ€¦â€¦

go
ãƒªãƒ³ã‚¯
GitHub - fogleman/gg: Go Graphics - 2D rendering in Go with a simple API.
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yujiorama 2021/03/08
go
ãƒªãƒ³ã‚¯
Learn Go with tests
Pï¿½ ï¿½ï¿½
yujiorama 2021/03/08
Go Genericsã®åŸºç¤Žã®åŸºç¤Žã€‚æ±Žç”¨ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã§ãªã‘ã‚Œã°ãƒ¦ãƒ¼ã‚¶ãƒ¼å®šç¾©åž‹ã‚’ä½œã‚‹ã»ã†ãŒè¡¨ç¾åŠ›ã‚ã‚Šãã†ã ãªã

go
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Contexts and structs - The Go Programming Language
Introduction In many Go APIs, especially modern ones, the first argument to functions and methods is often context.Context. Context provides a means of transmitting deadlines, caller cancellations, and other request-scoped values across API boundaries and between processes. It is often used when a library interacts â€” directly or transitively â€” with remote servers, such as databases, APIs, and the
yujiorama 2021/03/01
go
ãƒªãƒ³ã‚¯
ã‚»ã‚ãƒ¥ã‚¢ã«Goã‚’æ›¸ããŸã‚ã®ã€Œã‚¬ãƒ¼ãƒ‰ãƒ¬ãƒ¼ãƒ«ã€ã‚’ç½®ã“ã† - å®‰å…¨ãªGoãƒ—ãƒãƒ€ã‚¯ãƒˆé–‹ç™ºã«å‘ã‘ãŸæŒç¶šå¯èƒ½ãªã‚¢ãƒ—ãƒãƒ¼ãƒ - GMO Flatt Security Blog
The Go gopher was designed by Renee French. (http://reneefrench.blogspot.com/) The design is licensed under the Creative Commons 3.0 Attributions license. ç¨®ã€…ã® linter ãŒæ§˜ã€…ãªãƒ—ãƒãƒ€ã‚¯ãƒˆã®å“è³ªã‚’é«˜ã‚ã¦ããŸã€ã¨ã„ã†ã®ã¯ç–‘ã†ä½™åœ°ã®ãªã„äº‹å®Ÿã§ã™ã€‚å®Ÿè£…ã®åˆæ©çš„ãªå•é¡Œã‚’ã‚¨ãƒ‡ã‚£ã‚¿å†…ã‚„ CI/CD ãƒ‘ã‚¤ãƒ—ãƒ©ã‚¤ãƒ³ä¸ã§æ©Ÿæ¢°çš„ã«æ¤œå‡ºã§ãã‚‹ç’°å¢ƒã‚’ä½œã‚Œã°ã€é–‹ç™ºè€…ã¯ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã‚„ã‚³ãƒ¼ãƒ‰ãƒ¬ãƒ“ãƒ¥ãƒ¼ã®é‚ªé”ã«ãªã‚‹äº›æœ«ãªå•é¡Œã‚’æ—©æœŸã«é ã‹ã‚‰è¿½ã„å‡ºã—ã€æœ¬è³ªçš„ãªå•é¡Œã«é›†ä¸ã§ãã¾ã™ã€‚ ã¾ãŸã€ãã®ã‚ˆã†ãªç’°å¢ƒã¥ãã‚Šï¼ˆe.g. linter ã®ãƒ«ãƒ¼ãƒ«ã‚»ãƒƒãƒˆã®å®šç¾©ã€çµ„ç¹”ç‹¬è‡ªã®ãƒ«ãƒ¼ãƒ«ã®ä½œæˆã€â€¦ï¼‰ã¯ã€ã¾ã•ã«é–‹ç™ºçµ„ç¹”ã®ãƒ™ãƒ¼ã‚¹ãƒ©ã‚¤ãƒ³ã‚’å®šç¾©ã™ã‚‹ä½œæ¥ã¨ã—ã¦æ‰ãˆã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ä¸€åº¦èª°ã‹ãŒå®šç¾©
yujiorama 2021/02/24
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go

security
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Go 1.16é€£è¼‰ãŒå§‹ã¾ã‚Šã¾ã™ | ãƒ•ãƒ¥ãƒ¼ãƒãƒ£ãƒ¼æŠ€è¡“ãƒ–ãƒã‚°
VSCodeã‚‚1.53ã§Insiderã§ãªã„å®‰å®šæ¿ã‚‚M1å¯¾å¿œã«ãªã‚Šã¾ã™ã—ã€GoLandã‚‚ãƒã‚¤ãƒ†ã‚£ãƒ–ç‰ˆãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸã€‚Rosetta2ã§ã‚‚å¿«é©ã ã£ãŸç’°å¢ƒã¯ã¾ã™ã¾ã™å¿«é©ã«ãªã£ã¦ã„ã¾ã™ã€‚ ãã‚Œä»¥å¤–ã ã¨linux/riscv64å¯¾å¿œãŒæ”¹è‰¯ã•ã‚Œã¦ã„ã¦ã€å€‹äººçš„ã«ã¯æ°—ã«ãªã£ã¦ã„ã¾ã™ã€‚ ãƒ©ãƒ³ã‚¿ã‚¤ãƒ ã®å¤‰åŒ–runtime/metricsãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ãŒå°Žå…¥ã•ã‚Œã¾ã—ãŸã€‚runtimeã¨ã‹debugã¨ã‹ã•ã¾ã–ã¾ãªå ´æ‰€ã«æ•£ã£ã¦ã„ã£ãŸãƒ¡ãƒˆãƒªãƒƒã‚¯ã‚¹åŽé›†æ©Ÿèƒ½ãŒé›†ç´„ã•ã‚Œã¾ã—ãŸã€‚ä»Šã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹ã®ã¯GCé–¢é€£ã®ãƒ¡ãƒˆãƒªãƒƒã‚¯ã‚¹ã¨ã€ãƒ¡ãƒ¢ãƒªé–¢é€£ã®ãƒ¡ãƒˆãƒªãƒƒã‚¯ã‚¹ã€goroutineæ•°ã§ã™ãã€‚ ã‚ã¨ã¯ã€GODEBUGç’°å¢ƒå¤‰æ•°ã«inittrace=1ã‚’è¨å®šã™ã‚‹ã¨ã€å„ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã®initã§æ¶ˆè²»ã—ã¦ã„ã‚‹æ™‚é–“ã‚„ãƒ¡ãƒ¢ãƒªã®æƒ…å ±ãŒæ¨™æº–å‡ºåŠ›ã«è¡¨ç¤ºã•ã‚Œã¾ã™ã€‚Google App Engineã‚„ã‚‰Cloud Runã‚„ã‚‰Cloud Functionsã‚„ã‚‰AW
yujiorama 2021/02/16
go
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Go1.16ã‹ã‚‰ã®io/ioutilãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ | ãƒ•ãƒ¥ãƒ¼ãƒãƒ£ãƒ¼æŠ€è¡“ãƒ–ãƒã‚°
ã“ã‚“ã«ã¡ã¯ã€TIGã®è¾»ã§ã™ã€‚Go 1.16é€£è¼‰ã®3è¨˜äº‹ç›®ã§ã™ã€‚ Go1.16ã§ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆãŒã‚ã£ãŸ io/ioutil ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ãŒ "deprecated" ã«ãªã‚‹è©±é¡Œã®ã¾ã¨ã‚ã§ã™ã€‚ ã‚µãƒžãƒª Go1.16ã‹ã‚‰ io/ioutil ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã®æ©Ÿèƒ½ãŒ os ã¨ io ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã«ç§»è¡Œã—ãŸ ã“ã‚Œã‹ã‚‰æ–°ã—ãå®Ÿè£…ã™ã‚‹ã‚³ãƒ¼ãƒ‰ã¯ io ã‚„ os ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã®æ–°ã—ã„é–¢æ•°ã‚’ä½¿ã†ã“ã¨ãŒæŽ¨å¥¨ã•ã‚Œã‚‹ io/ioutil ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ãŒ "deprecated" ã«ãªã‚‹ãŒ "deprecated" ã¨ã„ã£ã¦ã‚‚å°†æ¥å£Šã‚Œã‚‹ã€ã¨ã„ã†ã“ã¨ã§ã¯ãªã„ æ—¢å˜ã®ã‚³ãƒ¼ãƒ‰ã¯å‹•ä½œã—ç¶šã‘ã‚‹ go fix ã‚³ãƒžãƒ³ãƒ‰ã¯æœªå¯¾å¿œ å†…å®¹Go1.16ã‹ã‚‰ io/ioutil ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã«å«ã¾ã‚Œã‚‹é–¢æ•°ãŒ "deprecated" ã«ãªã‚Šã¾ã™ã€‚é–¢é€£ã™ã‚‹ãƒ—ãƒãƒãƒ¼ã‚¶ãƒ«ã¯ #40025 ã¨ #42026 ã§ã™ã€‚Package names ã§è‰¯ããªã„ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸
yujiorama 2021/02/16
"å°‘ãªãã¨ã‚‚Go1ã®é–“ã¯ã‚½ãƒ¼ã‚¹ãƒ¬ãƒ™ãƒ«ã®å¾Œæ–¹äº’æ›æ€§ãŒä¿ãŸã‚Œã¾ã™"

go
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GitHub - naoina/migu: Database schema migration tool for Go
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yujiorama 2021/02/05
"Migu is inspired by Ridgepole." information_schema ã‹ã‚‰å–å¾—ã—ãŸ DDL ã¨ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‹ã‚‰ç”Ÿæˆã—ãŸ DDL ã‚’æ¯”è¼ƒã—ã¦ä¸€è‡´ã•ã›ã‚‹ãŸã‚ã® DDL ã‚’ç”Ÿæˆã™ã‚‹

go
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