IndexedDB ã®ä½¿ç”¨ - Web API | MDN
IndexedDB ã¯ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ã®ãƒ–ラウザー内ã«ãƒ‡ãƒ¼ã‚¿ã‚’永続的ã«ä¿å˜ã™ã‚‹æ‰‹æ®µã§ã™ã€‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®çŠ¶æ…‹ã«ã‹ã‹ã‚らãšé«˜åº¦ãªå•ã„åˆã‚ã›æ©Ÿèƒ½ã‚’æŒã¤ã‚¦ã‚§ãƒ–アプリケーションを作æˆã§ãã¾ã™ã®ã§ã€ã‚¢ãƒ—リケーションãŒã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã¨ã‚ªãƒ•ãƒ©ã‚¤ãƒ³ã®ä¸¡æ–¹ã§å‹•ä½œã™ã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ ã“ã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã§ã¯ã€IndexedDB ã®éžåŒæœŸ API ã®ä½¿ã„方を見ã¦ã„ãã¾ã™ã€‚IndexedDB ã«ã¤ã„ã¦è©³ã—ããªã„å ´åˆã¯ã€å§‹ã‚ã« IndexedDB ã®ä¸»ãªç‰¹å¾´ã¨åŸºæœ¬ç”¨èªžã‚’ãŠèªã¿ãã ã•ã„。 IndexedDB API ã®ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ãƒ‰ã‚ュメントã¨ã—ã¦ã€IndexedDB API ã®è¨˜äº‹ã¨ãã®ã‚µãƒ–記事をã”覧ãã ã•ã„。ã“ã®è¨˜äº‹ã§ã¯ã€IndexedDB ã§ä½¿ç”¨ã•ã‚Œã‚‹ã‚ªãƒ–ジェクトã®ç¨®é¡žã¨ã€éžåŒæœŸ API ã®ãƒ¡ã‚½ãƒƒãƒ‰ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ (åŒæœŸ API ã¯ä»•æ§˜ã‹ã‚‰å‰Šé™¤ã•ã‚Œã¾ã—ãŸ)。 IndexedDB ã§æŽ¨å¥¨ã•ã‚Œã‚‹åŸºæœ¬ãƒ‘ターンã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ã«
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WebSQL先輩… localStorageã®ã‚ˆã†ãªã‚·ãƒ³ãƒ—ルãªkvsã˜ã‚ƒãªãã¦ã€æ¤œç´¢ã‚’ä¼´ã†ã‚ˆã†ãªãƒ–ラウザã§æ°¸ç¶šåŒ–ã§ãるストレージã‚ã‚‹ã‹ãªã€ãã†ã„ãˆã°WebSQLã£ã¦ã©ã†ãªã£ã¦ã‚‹ã‚“ã ã‚ã†ï¼Ÿã¨æ€ã£ã¦èª¿ã¹ãŸã‚‰ã€ Developer's blog | HTML5ã®Web SQL DatabaseãŒW3Cã®ä»•æ§˜ç–定ã®ç¯„囲ã‹ã‚‰å¤–ã‚Œã¦ã„㟠W3Cã€ã€ŒWeb SQL Databaseã€ã®ä»•æ§˜ç–定をæ£å¼ã«æ–念 - builder by ZDNet Japan ã‚らã¾ã‚ Migrating your WebSQL DB to IndexedDB - HTML5 Rocks 代ã‚ã‚Šã«IndexedDBを使ãˆã¨ã„ã†ã“ã¨ã‚‰ã—ã„. ãªã«ãれ食ãˆã‚“ã®. IndexedDBã¨ã¯ï¼Ÿ ã©ã†ã‚„ら検索ã‚ーを指定ã—ã¦ãƒ‰ã‚ュメントをã¤ã£ã“ã‚るストレージã£ã½ã„. IndexedDB is a way for you to persis
FileSaver.js＋File APIã§ä½œã‚‹ã€ãƒ–ラウザーã®ã¿ã§ç”»åƒãƒ•ã‚¡ã‚¤ãƒ«è£…飾アプリ
FileSaver.js＋File APIã§ä½œã‚‹ã€ãƒ–ラウザーã®ã¿ã§ç”»åƒãƒ•ã‚¡ã‚¤ãƒ«è£…飾アプリ：HTML5アプリ作ã‚ã†ãœï¼ï¼ˆ7）（2/2 ページ） 今回ã®ã‚µãƒ³ãƒ—ルアプリを作æˆã™ã‚‹ãŸã‚ã®ä¸»è¦ãªæŠ€è¡“è¦ç´ 今回ã®ã‚µãƒ³ãƒ—ルアプリを作æˆã™ã‚‹ãŸã‚ã®ä¸»è¦ãªæŠ€è¡“è¦ç´ ã§ã‚ã‚‹ã€File APIã¨FileSaver.jsを紹介ã—ã¾ã™ã€‚ File API HTML5ã§å®šç¾©ã•ã‚ŒãŸãƒ•ã‚¡ã‚¤ãƒ«æ“作ã«é–¢ã™ã‚‹APIã§ã™ã€‚File APIã®Fileオブジェクトを利用ã™ã‚‹ã“ã¨ã§ã€ãƒãƒ¼ã‚«ãƒ«ã«ã‚るファイルã®æƒ…å ±ã«ã‚¢ã‚¯ã‚»ã‚¹ã§ãã¾ã™ï¼ˆãƒ†ã‚ストファイルã€ç”»åƒãƒ•ã‚¡ã‚¤ãƒ«ãªã©ï¼‰ã€‚ File APIã«ã¤ã„ã¦ã¯ã€ä»¥ä¸‹ã®è¨˜äº‹ã‚‚å‚考ã«ã—ã¦ãã ã•ã„。 JavaScriptã§ãƒ•ã‚¡ã‚¤ãƒ«æ“作ï¼ï¼Ÿ File APIを使ã„ã“ãªãㆠJavaScriptã§ç›´æŽ¥ãƒãƒ¼ã‚«ãƒ«ã«ã‚るファイルã®ãƒ‡ãƒ¼ã‚¿ã‚’処ç†ã—ã¦çµæžœã‚’ユーザーã«æ示ã§ãã‚‹ã®ã§ã€ãƒ–ラウザー上ã®JavaScriptã®ã¿ã§å®Œ
Raphaël—JavaScript Library
What is it? Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web. If you want to create your own specific chart or image crop and rotate widget, for example, you can achieve it simply and easily with this library. Raphaël ['ræfeɪəl] uses the SVG W3C Recommendation and VML as a base for creating graphics. This means every graphical object you create i
Snap.svg - The JavaScript SVG library for the modern web.
Why SVG (and Snap)? SVG is an excellent way to create interactive, resolution-independent vector graphics that will look great on any size screen. And the Snap.svg JavaScript library makes working with your SVG assets as easy as jQuery makes working with the DOM. Modern features for modern browsers Snap.svg is designed for modern browsers and therefore supports the newest SVG features like masking
JPAã¨N+1å•é¡Œ - 記憶ã®ããšã‹ã”
JPAã¨ã¯ JPA（Java Persistence API）ã¨ã¯JavaEEã®ãŸã‚ã«å®šç¾©ã•ã‚ŒãŸæ°¸ç¶šåŒ–（persistence）ã«é–¢ã™ã‚‹API仕様ã§ã™ã€‚JPAã¯API仕様ãªã®ã§JPAå˜ä½“ã§ã¯å‹•ãã¾ã›ã‚“。JPAを実装ã—ãŸHibernateã‚„EclipseLinkãªã©ã®O/R MapperãŒå¿…è¦ã«ãªã‚Šã¾ã™ã€‚ N+1å•é¡Œã¨ã¯ N+1å•é¡Œã¨ã¯O/R Mapperを利用ã—ãŸéš›ã«SQLæ–‡ãŒæ„図ã›ãšå¤§é‡ã«ç™ºè¡Œã•ã‚Œã¦ã—ã¾ã†å•é¡Œã§ã™ã€‚ã“ã®å•é¡Œã¯O/R Mapperã«ã‚ˆã‚‹SQLæ–‡ã®è‡ªå‹•ç”Ÿæˆã«èµ·å› ã—ã¾ã™ã€‚Objectå´ã®é–¢é€£ã‚‚å«ã‚ã¦ãƒ‡ãƒ¼ã‚¿ã‚’å–å¾—ã™ã‚‹å ´åˆã«ã€O/R Mapperã¯ä¸‹è¨˜ã®ã‚ˆã†ã«N+1回SELECT文を発行ã—ã¦ã—ã¾ã„ã¾ã™ã€‚ Tableã‹ã‚‰N個ã®Recordã‚’å–å¾—ã™ã‚‹ãŸã‚ã«SELECT文を1回発行 N個ã®RecordãŒé–¢é€£ã™ã‚‹ãƒ‡ãƒ¼ã‚¿ã‚’å–å¾—ã™ã‚‹ãŸã‚ã«SELECT文を1回ãšã¤ã€è¨ˆN回発行 N+1å•é¡Œã®è§£æ±ºç–
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