textbook's People
textbook's Issues
笔记
今天遇到的一些不懂的难题:
1.spring有哪些配置方式,简要说明 将Spring配置到应用开发中有以下三种方式: 基于XML的配置 基于注解的配置 基于Java的配置 http://www.codeceo.com/article/spring-top-25-interview.html#spring_framework 2.设计异常抛出机制,让异常逐层抛出,并且在最外面接受到异常输出到日志中 http://blog.csdn.net/z69183787/article/details/18811347 3.一个大的文件如何解析,并且存入到数据库中,比如4GB的txt文件 目前暂定使用FileInputStream将文件从TXT文件中取出,由于文件过大,需要对读取部分进行分页截取后,分页保存进入数据库 4.表A中有a表B中有a的索引,找出表B中在表A中没有的a的a。 使用notin 5.序列化有什么作用 序列化就是一种用来处理对象流的机制,所谓对象流就是将对象的内容进行流化。可以对流化后的对象进行读写操作,也可将流化后的对象传输于网络之间。序列化就是为了解决在对对象流进行读写操作时所引发的问题。 6.Android的生命周期 http://kb.cnblogs.com/page/70125/
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