OrpheusDB
With the increasing number of individuals performing data science, in every organization and team, there is a proliferation of dataset versions at various stages of data analysis. More often than not, these dataset versions are stored in an ad-hoc manner in shared file systems, leading to massive redundancy and duplication, and making it impossible to keep track of and find specific versions. Orph
Scalaã®ãƒ†ã‚¹ãƒˆä¸ã«Joda-Timeã®nowã®æ™‚刻を固定ã™ã‚‹ - $shibayu36->blog;
今回ã¯Scalaã®ãƒ†ã‚¹ãƒˆã®è©±ã€‚時刻ã¾ã‚ã‚ŠãŒé–¢ã‚る実装をテストã—ãŸã„時ã€ãƒ†ã‚¹ãƒˆä¸ã ã‘ç¾åœ¨æ™‚刻を固定ã—ãŸã‚Šã€ç¾åœ¨æ™‚刻をéŽåŽ»ã«ã—ãŸã‚Šãªã©ã¨ã„ã£ãŸã“ã¨ã‚’ã‚„ã‚ŠãŸã„ã“ã¨ã¯ã‚ˆãã‚る。Joda-Timeã®DateTime.nowを使ã£ã¦ç¾åœ¨æ™‚刻をå–å¾—ã—ã¦ã„ã‚‹å ´åˆã€æ™‚刻をfakeã—ã¦å›ºå®šã™ã‚‹ã“ã¨ãŒå‡ºæ¥ãŸã®ã§ãƒ¡ãƒ¢ã€‚ 固定ã™ã‚‹ã«ã¯org.joda.time.DateTimeUtilsã®setCurrentMillisFixedã‚„setCurrentMillisProviderを利用ã™ã‚‹ã€‚例ãˆã°ã€ä»¥ä¸‹ã®ã‚ˆã†ã«æ™‚間を固定ã™ã‚‹ã“ã¨ãŒã§ãる。 DateTimeUtils.setCurrentMillisFixed(15147648t00000L) // 2018-01-01ã«å›ºå®š println(DateTime.now) // 2018-01-01T09:00:00.000+09:00 DateTimeUtils.s
Concurrency Utilitiesã®ã€Œå†ã€ã¾ã¨ã‚ - Java8対応版 - argius note
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