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DDD - the rule that Entities can't access Repositories directly

...ample: Chatroom user is not allowed to change their name to a name thats already been used by someone else. I'd like that rule to be built into by ChatUser entity, but its not very easy to do if you can't hit the repository from there. So what should I do? – codeulike ...
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Is it bad practice to return from within a try catch finally block?

... No, it's not a bad practice. Putting return where it makes sense improves readability and maintainability and makes your code simpler to understand. You shouldn't care as finally block will get executed if a return statement is encountered. ...
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Ruby off the rails

... this purpose. I highly recommend Googling "ruby dsl" for some excellent reading, but I would like to leave you with one post in particular. Russ Olsen wrote a two part blog post on DSLs. I saw him give a presentation on DSLs and it was very good. I highly recommend reading these posts. I also fo...
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What is the difference between a web API and a web service?

...terfacing directly with an application whereas a Web service is a ... Read more: Difference Between API and Web Service | Difference Between | API vs Web Service http://www.differencebetween.net/technology/internet/difference-between-api-and-web-service/#ixzz3e3WxplAv See the above link for th...
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When to use RSpec let()?

...ective, but as Mike Lewis pointed out, I think it makes the spec easier to read. I like the organization of defining all my dependent objects with let and keeping my it block nice and short. A related link can be found here: http://www.betterspecs.org/#let ...
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How to set the environmental variable LD_LIBRARY_PATH in linux

... /usr/local/lib is usually already there, so there's no need to edit any files, just sudo ldconfig. – nyuszika7h Sep 16 '14 at 15:28 1...
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Difference between Java SE/EE/ME?

...ng intellisense and autocompletion is an invaluable aid for a programmer already knowing other ecosystems to became familiar with the new environment. – Felice Pollano Mar 22 '15 at 7:29 ...
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App Inventor 2 云数据库配置教程 - Firebase/云数据库1/自建后台 · App Inventor 2 中文网

...ebase数据库1 网络微数据库1(自建后台) Google Spreadsheet 底层技术 Redis服务器 Google Firebase Realtime DB 自定义Web服务API Google Sheets API 默认服务器 MIT提供默认服务器 需...
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Switch statement: must default be the last case?

...Labeled statements. Especially interesting is 6.8.1.4, which enables the already mentioned Duff's Device: Any statement may be preceded by a prefix that declares an identifier as a label name. Labels in themselves do not alter the flow of control, which continues unimpeded across them. ...
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Best way to store time (hh:mm) in a database

... a small disadvantage is the lack of readability in the database – Jowen Dec 17 '13 at 14:37 ...