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DCI - Data Context Interaction A New Role-Based Paradigm for specifying collaborating objects The essence of object orientation is that networks of collaborating objects work together to achieve a common goal. The common sense of object oriented programming should reflect this essence with code that specifies how the objects collaborate. Our industry has, unfortunately, chosen differently and code
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Methods Are Affordances, Not Abilities
Software developer, author, and host of Full Stack Radio. January 24, 2017 In one of my current projects, I needed to be able to broadcast email announcements to all of the users in the system. Here's what my AnnouncementsController looks like: class AnnouncementsController extends Controller { // ... public function store() { $this->validate(request(), [ 'subject' => 'required', 'message' => 'req
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ThoughtWorks アンソãƒã‚¸ãƒ¼ã®5ç« ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘エクササイズã‹ã‚‰ 9ã¤ã®ãƒ«ãƒ¼ãƒ«ã‚’å¦ã‚“ã ã®ã§ãƒ¡ãƒ¢ã—ã¾ã™ 1. 1ã¤ã®ãƒ¡ã‚½ãƒƒãƒ‰ã«ã¤ãインデントã¯1段階ã¾ã§ 巨大ãªãƒ¡ã‚½ãƒƒãƒ‰ã«ãªã‚Œã°ãªã‚‹ã»ã©å‡é›†åº¦ãŒä½Žããªã‚‹ã€‚ メソッドãŒ1ã¤ã®ä»•äº‹ã‚’è¡Œã†å ´åˆã€åˆ¶å¾¡æ§‹é€ ã¯ã‚ã£ã¦1ã¤ã€‚ åˆ¶å¾¡æ§‹é€ ãŒè¤‡æ•°ã‚る時点ã§ãƒ¡ã‚½ãƒƒãƒ‰ã«å¯¾ã—ã¦ä»•äº‹ãŒè¤‡æ•°ã‚る。 ã ã‹ã‚‰ã€åˆ¶å¾¡æ§‹é€ ã‚’1ã¤ã«æŠ‘ãˆã‚‹ 下記ã¯æ›¸ç±ã‹ã‚‰å¼•ç”¨ ãƒªãƒ•ã‚¡ã‚¯ã‚¿ãƒªãƒ³ã‚°å‰ class Board { String board() { StringBuffer buf = new StringBuffer(); for (int i = 0; i < 10; i++) { for (int j = 0; j < 10; j++) { buf.append(data[i][j]); } buf.append("\n"); } return buf.toString();
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SOLID Principles Cheatsheet [Printable PDF]
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