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Open Source Thoughts

EJB or Without EJB. 我既做过使用EJB 进行开发的项目，也采用过轻量级方式开发的项目，在没有经验的时候使用EJB是应为EJB看上去能给一个项目提供更宽阔的扩展空间和可靠保障。有经验的时 候就会根据实际项目的规模，时间，人员等众多因素和需要来选择是否使用EJB，什么类型的EJB。首先需要明晰的一个概念就是 EJB! J2EE EJB之只是J2EE中的一个部分而已。 J2EE包含很多的技术，JSP, Servlet, JMS, JDBC, JAAS, JMX, 和EJBs. J2EE同时也包括了如何一起使用这些技术来构建解决方案的指导和模式(如J2EE Core Design Pattern). 所以使用J2EE本身对开发人员是由一定的技术要求的。 如果你在不需要EJB的地方使用它， 它往往会对你的应用的性能带来一定的损耗。由于本身的额外损耗，它会与你的应用进行资源的竞争，包括CPU, 内存等等。 Controller - Business Services Layer (POJOs) - Data Access Layer. 参考: JPetstore 4.0. Linux内核是一个单...

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osthroveceylon.com

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I welcome you to my beautiful Island, Sri Lanka.The Island’s proud history of over 2500 years and the Breathtaking diversity of scenery Will capture your heart and soul like no other destination. May the time you spend in our Island be filled with exciting Experiences- memories of which you Will carry long after you leave our shores. 520, Jude Road,. Star Cresent, Kattuwa, Negombo. Tel : 0094 31 4912700, 0094 11 3122308. E-mail : travel@osthroveceylon.com.

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Osthrove Ceylon

osthroveceylontravel.com

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I welcome you to my beautiful Island, Sri Lanka.The Island’s proud history of over 2500 years and the Breathtaking diversity of scenery Will capture your heart and soul like no other destination. May the time you spend in our Island be filled with exciting Experiences- memories of which you Will carry long after you leave our shores. 520, Jude Road,. Star Cresent, Kattuwa, Negombo. Tel : 0094 31 4912700, 0094 11 3122308. E-mail : travel@osthroveceylon.com.

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in a world of magnets and miracles

In a world of magnets and miracles. We are spirits in the material world. Fire and water must have made you their daughter (part 2). Jun 21st, 2012 at 12:02 PM. Fire and water must have made you their daughter (Part 1b). May 23rd, 2012 at 9:13 PM. Fire and water must have made you their daughter (Derek/Stiles, R). May 23rd, 2012 at 8:58 PM. Fire and water must have made you their daughter. Derek/Stiles (side pairings include Allison/Scott and Lydia/Jackson). PG-13 for now, eventually R. Nothing Im going ...

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Publicerades: 2014-03-06 Kl: 11:32:17 Allmänt. Designen gjord av Keilys.org. Går kort dag i dag i skolan, 9-kvart i 12. Ska hem direkt efter lektionen, ska käka,städa och ta det lungt tills träningen är ikväll vid sju. Och imorgon är det också kort dag börjar 8 och slutar 10.40 så himla skönt, sen väntar 5 veckors praktik och 1 vecka påsklov! Publicerades: 2014-03-05 Kl: 07:29:13 Allmänt. Designen gjord av Keilys.org. Kom precis till skolan. Publicerades: 2014-03-04 Kl: 10:30:59 Allmänt. Känner att jag h...