在分页查询的情况下，前端或者移动如何处理后端数据的实时更新。

类似于Twitter的这种网站的在浏览的过程中原来的数据已经增加了，如果是采取分页的方式获取数据，这里的数据源已经发生改变了，直接获取的方式应该数据获取重复的，但是并没有发生发生错误的。请问这样的后端api应该如何设计。...

From [Javadiscussion group] 2016-11-09 15:59:27 0  2  1049

web - spring 4 纯javaconfig配置的项目：注解@Pattern 里面的regexp如何引入properties的值 ？

我使用的是spring 4 javaconfig配置没有任何的xml。下面的代码： {代码...} 我在这个通过 @PropertySource 引入了properties文件 虽然可以通过@Value 来获取到prop...

From [Javadiscussion group] 2017-04-18 09:29:30 0  1  1048

java - request.getsession().getattribute() garbled problem

1. Pass the value in the address bar 2. Accept the value 3. The printed username is garbled 4. Even if the enc...

From [Javadiscussion group] 2017-06-23 09:13:39 0  2  1047

java - Configuring tomcat installation-free version, unable to start, returning error code 4

JDK was installed two years ago, so I installed tomcat directly today, and then the following prompt popped up...

From [Javadiscussion group] 2017-06-12 09:21:32 0  2  1047

java - Partial thread SessionException: Session is closed! when Hibernate adds operation under high concurrency conditions.

Servlet + hibernate will cause org.hibernate.SessionException: Session is closed! in some threads under high c...

From [Javadiscussion group] 2017-06-12 09:22:23 0  2  1046

java - Image verification code implementation principle

**Test website: http://con.monyun.cn:9960/acc... There is a verification code on this page. The url of this ve...

From [Javadiscussion group] 2017-05-27 17:41:18 0  4  1046

java - @Component重新给bean命名后，为什么@Resource找不到？

CompactDisc有多个实现类，我想要注入其中的一个 {代码...} 用默认的bean可以 但是我把bean id改成其他，比如 {代码...} 怎么就找不到了？ 3月10号更新，今天又可以了，真是奇怪，还是没找到出...

From [Javadiscussion group] 2017-04-18 10:49:10 0  2  1046

java - Senior masters, please give me some methods or learning experience for learning source code.

Now most technical teams are required to see the source code of the basic framework and understand the princip...

From [Javadiscussion group] 2017-06-30 09:52:33 0  4  1045

java - How does the Netty server detect that the client network is abnormally disconnected? ?

The client is javaswing netty and the server uses Springnetty. When the server does not use heartbeat detectio...

From [Javadiscussion group] 2017-05-17 10:00:58 0  2  1045

为什么要实现Xstream中的shouldSerializeMember

请问这两块代码是什么意思, 能详细的说下吗,谢谢        xstream = new XStream(n...

From [Javadiscussion group] 2016-10-27 11:06:19 0  1  1045

How to get the time of last week's Monday and Sunday using LocalDate in JAVA

As in the title, for example, today is 2017.6.21. How do I get the Monday of last week? 2017-06-12

From [Javadiscussion group] 2017-06-23 09:13:25 0  4  1043

java - for循环中异步转同步如何改造？

代码结构描述如下： {代码...} for循环中的两个线程，前者是生产者，后者是消费者，他们通过定义一个：public static BlockingQueue<Object> taskQue...

From [Javadiscussion group] 2017-04-18 10:09:30 0  3  1043

java - 微信退款，公账号向个人转账SSL验证失败

1.微信公众号向个人转款，代码在本地main方法执行没问题，加载到项目中不执行。没有异常提示。 红圈勾出部分，每次执行到这里就停止。本地main 方法执行时候是没有问题 能够退款成功。

From [Javadiscussion group] 2017-04-18 10:48:52 0  1  1042

java - Why do multiple threads access the same resource?

As the title states, multi-threading is essentially a reasonable scheduling and allocation of CPU time slices ...

From [Javadiscussion group] 2017-06-12 09:27:45 0  2  1041

java方法传String类型的参数时，为啥方法对值的修改没有在方法之外生效？

1、问题描述java方法传String类型的参数时，为啥方法对值的修改没有在方法之外生效？假设是其他类型的对象，那么方法对对象的数据的修改是会在方法之外生效的啊，可是String类型也是对象类型啊，为啥就没有在方法...

From [Javadiscussion group] 2017-04-18 09:13:32 0  8  1041