Using a Redis as a Database
The Spike I was spiking on Redis recently. I wanted to use the redis-objects gem to simulate a shopping cart app even though the README specifically says Just use MySQL, k? I wanted to see what would happen if I tried it anyway. So the README and examples for the redis-objects gem are great so I’m not going to rehash what’s there. However, I will say though that the example has you hardcode the id
SQL上級者ã“ã知ã£ã¦æ¬²ã—ã„ã€ãªãœO/RマッパーãŒé‡è¦ã‹ï¼Ÿ
(PgDay2012発表資料) SQLã«ã¨ã£ã¦ã€ãªãœO/RマッパーãŒé‡è¦ã‹ã‚’説明ã—ãŸè³‡æ–™ã§ã™ã€‚Read less
ã¯ã¦ãªãƒ–ãƒã‚° | 無料ブãƒã‚°ã‚’作æˆã—よã†
æ¥å¹´ã‚‚作りãŸã„ï¼ãµãã®ã¨ã†æ–™ç†ã‚’満喫ã—ãŸã€€2024年春ã®è¨˜éŒ² 春ã¯è‡ªç‚ŠãŒæ¥½ã—ã„å£ç¯€ 1å¹´ã®ä¸ã§æœ€ã‚‚自炊ãŒæ¥½ã—ã„å£ç¯€ã¯æ˜¥ã ã¨æ€ã†ã€‚スーパーã®æ£šã«ã‚„ã‚らã‹ãªè‰²åˆã„ã®é‡ŽèœãŒä¸¦ã¶ã¨è‡ªç„¶ã¨ã“ã“ã‚ãŒå¼¾ã‚€ã€‚ ä¸ã§ã‚‚ã¨ãã‚ãã®ã¯å±±èœã 。早ã„ã¨2月下旬ã”ã‚ã‹ã‚‰ä¸¦ã³å§‹ã‚ã‚‹ãã‚Œã¯ã€ã‚¿ãƒ©ã®èŠ½ã€ãµãã®ã¨ã†ã¨ç¶šãã€æ¡œã®é ƒã«ã¯ã†ã‚‹ã„ã€ã‚¦ãƒ‰ã€ã“…
dm-validations-i18n - komagataã®ãƒ–ãƒã‚°
DataMapperã®validationエラーã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’国際化ã™ã‚‹dm-validations-i18nã¨ã„ã†gemを作りã¾ã—ãŸã€‚ komagata's dm-validations-i18n at master - GitHub require 'rubygems' require 'dm-core' require 'dm-migrations' require 'dm-validations' require 'dm-validations-i18n' DataMapper.setup(:default, 'sqlite::memory:') class Employee include DataMapper::Resource property :id, Serial property :name, String validates_presence_of :name end
DataMapper を使ㆠ- KrdLab's blog
ActiveRecord ã¯ã‹ãªã‚Šä¾¿åˆ©ãª O/R mapper ã§ã™ãŒï¼Œã•ã‚‰ã«ä¸Š(？)ãŒã‚ã‚Šã¾ã—ãŸï¼Ž DataMapper http://datamapper.org/ ãªãŠï¼Œã“ã®ã‚¨ãƒ³ãƒˆãƒªã¯ 0.9.11 をベースã«æ›¸ã„ã¦ã„ã¾ã™ï¼Ž ã“ã®ã‚¨ãƒ³ãƒˆãƒªã®ç›®æ¬¡ã¨ä»–エントリã¸ã®ãƒªãƒ³ã‚¯ æ¦‚è¦ [関連ã™ã‚‹ã‚¨ãƒ³ãƒˆãƒª] Why DataMapper? Getting Started With DataMapper 接続 マイグレーション Logger モデル定義 Property 定義 Validation 指定 [関連ã™ã‚‹ã‚¨ãƒ³ãƒˆãƒª] Properties Validations Index Single Table Inheritance Hook モデルæ“作 ä½œæˆ èªã¿å–ã‚Š æ›´æ–° 削除 [関連ã™ã‚‹ã‚¨ãƒ³ãƒˆãƒª] Finding トランザクション [関連ã™ã‚‹ã‚¨ãƒ³ãƒˆãƒª] Transactions アソシエーション
第14回　DataMapperã®ä½¿ã„æ–¹ | gihyo.jp
DataMapperã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã¯ã€åŸºæœ¬çš„ã«ã‚¯ãƒ©ã‚¹ã§ã¯ãªãモジュールã¨ã—ã¦æä¾›ã•ã‚Œã¦ã„ã‚‹ãŸã‚ã€ã‚¢ãƒ—リケーションã§åˆ©ç”¨ã™ã‚‹ãƒ¢ãƒ‡ãƒ«ã‚¯ãƒ©ã‚¹ã«ã‚¤ãƒ³ã‚¯ãƒ«ãƒ¼ãƒ‰ã—ã¦ä½¿ã„ã¾ã™ã€‚ Resourceモジュールをインクルードã™ã‚‹ã¨ã€è‡ªå‹•çš„ã«ModelモジュールãŒextendã•ã‚Œã€Personクラスã¯Modelクラスã¨ã—ã¦æŒ¯ã‚‹èˆžã†ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ã“ã‚Œã¯å›³1ã®Personã«ç›¸å½“ã—ã¾ã™ã€‚ 図1ã®Person Mapperã«ç›¸å½“ã™ã‚‹ä»•çµ„ã¿ã¯Repositoryã§ã™ã€‚Repositoryã¯ã€create, update, delete, read_one, read_manyãªã©ã®ã€ãƒ‡ãƒ¼ã‚¿ã‚¹ãƒˆã‚¢ã«å¯¾ã™ã‚‹åŸºæœ¬çš„ãªæ“作ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã‚’è¦å®šã—ã¾ã™ã€‚Modelクラスã¯ã€Repositoryã¸ã®å‚照をæŒã£ã¦ã„ã¦ã€ Modelクラスã«ã‚ˆã‚‹ãƒ‡ãƒ¼ã‚¿ã‚¹ãƒˆã‚¢ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ã¯ã€å…¨ã¦Repositoryを介ã—ã¦è¡Œã‚ã‚Œã¾ã™ã€‚ã“ã®éš›ã€ãƒ‡ãƒ¼ã‚¿ã‚¹
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