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JASS 安全验证代码
JAAS, the Java Authentication and Authorization Service, has been a standard part of the Java security framework since version 1.4 version and was available as an optional package in J2SE 1.3. Before that time, the previous security framework provided a way to allow or disallow access to resources based on what code was executing. For example, a class loaded from another location on the Internet would have been considered less trustworthy and disallowed access to the local file system. By changing the security set tings, this restriction could be relaxed and a downloaded applet could modify local files. Viewed mainly as a tool for writing clients, early Java didn’t seem to need much more than this.
2012-12-05
Android 3D 游戏开发教程.doc
这几篇Android 3D游戏开发的文章原文出自一位德国人Martin 在droidnova.com写的文章,
第一部分首先介绍OpenGL相关的术语,并引导你开始3D开发的第一步。
这个关于3D游戏的系列的叫做 Vortex .
这个教程主要focus在3D编程上,其他的东西比如菜单和程序生命周期虽然是代码的一部分,但是在这里不会被提到。
2011-05-24
spark-sql 的sort by的坑
2021-12-13
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