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As devs in late 2018, we’ve got lots of programming language choices. Mainstream ones alone, there’s about a dozen or so of them. They’re all awesome. As you wander a bit further down the obscurity path, you’ll find languages like elm, elixir, purescript, and reason. And just past those, you’ll find nim. I found out about nim by accident. I was looking at a library for ui development and it said,
関連リンク: スライド(Rabbit Slide Show) スライド(SlideShare) リポジトリー 内容 去年は「MySQL・PostgreSQLだけで作る高速でリッチな全文検索システム」というタイトルで話しました。去年はMySQL(Mroonga)・PostgreSQL(PGroonga)で次のことを実現するための具体的なSQLを紹介しました。 全文検索 キーワードハイライト 周辺テキスト表示 入力補完 同義語展開 関連文書の表示 構造化データ(オフィス文書・HTML・PDFなど)対応 今年は「MySQL・PostgreSQLだけで作る高速あいまい全文検索システム」というタイトルで話しました。今年も話の流れは同じにしました。あることを実現する具体的なSQLを紹介するというスタイルです。今年はMySQL(Mroonga)・PostgreSQL(PGroonga)で次のことを実現す
Running periodic jobs such as vacuuming or removing old data is a common requirement in PostgreSQL. A simple way to achieve this is to configure cron or another external daemon to periodically connect to the database and run a command. However, with databases increasingly running as managed services or stand-alone containers, running and configuring a separate deamon is often impractical. It is al
Running a database on EC2? Your clock could be slowing you down. We recently found that our database machines were spending a lot of CPU time getting the time. This post is a look at what was causing it, how you can check if your machines are affected, and how to fix it. The tl;dr is that a single command to change the Linux clocksource on our database machines cut execution times for distributed
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