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The ability to create groups of reports, and grant users access to reports by group. The ability to generate reports as PDF, XLS, HTML, and CSV files. The ability to generate bar, pie and xy charts for inclusion in reports. The ability to schedule and email PDF, XLS, and CSV reports. The ability to define reusable report parameters. Available parameter types include Date, Text, and Query Parameters. The ability to create multiple DataSources for use in generating reports. Support for JNDI DataSources and internal connection pooling via Commons-DBCP is included. The ability to upload and hot deploy new reports. Web based administration of users, groups, reports, parameters, and datasources. Cross platform database support via Hibernate based persistence layer. Available in a preconfigured bundle with Apache Tomcat. - The ability to create groups of reports, and grant users access to reports by group. The ability to generate reports as PDF, XLS, HTML, and CSV files. The ability to genera

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用java实现浮点数加减乘除四则混合运算，矩阵加法，减法，与数乘，与数除，两个矩阵相乘，转置，逆阵，产生单位阵，操作数与变量的转换，操作数取反，栈的一些基本操作。-achieve float with the arithmetic four mixed computing, matrix addition, subtraction, multiplication, with the exception of a few, two matrix multiplication, to home, a reverse Front, RUF units produced, the number of operational variables change from the anti-operand, stack some basic operations.

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用JXTA实现的P2P应用程序，该应用程序主要时完成是，对HungryPeer对等体的建立的安全机制的实现-using JXTA P2P application, the application procedures will be completed, HungryPeer right to the body, such as the establishment of a security mechanism for the realization of

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一次一密系统，用户进入系统的密码均为一次性。用一次做废，算法也包括了一个随机数生成器-once a dense system, users access to the system were a one-time password. Once done with waste, the algorithm also includes a random number generator

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