91嫩草国内在线,韩国理论电影免费看,6969精品视频在线观看,1024在线视频精品免费,色中色污,饭冈佳奈子在线

Activiti analyses

The Activiti framework is one of the workflow frameworks that have developed rapidly in recent years with its open source features.Another workflow framework, JBPM5, is currently a very popular workflow framework.While these two frameworks are two different companies, the two frameworks have a lot to do with it.Tom Baeyens, the director of the Activiti workflow framework, has previously worked for jBoss, currently the publisher of JBPM5, as the chief architect of the previous JBPM4 workflow engine.But it was speculated that Tom Baeyens left jBoss to work for Alfresco because of internal contradictions within jBoss and a serious disagreement over the future version of the workflow engine.However, for months, Tom Baeyens has launched Activiti, an open-source workflow system based on the JBPM4 workflow engine.

(中文) RPC框架技術初窺

(中文)

RPC是什么

RPC（Remote Procedure Call Protocol）——遠程過程調用協議，它是一種通過網絡從遠程計算機程序上請求服務，而不需要了解底層網絡技術的協議。
RPC采用客戶機/服務器模式。請求程序就是一個客戶機，而服務提供程序就是一個服務器。首先，客戶機調用進程發送一個有進程參數的調用信息到服務進程，然后等待應答信息。在服務器端，進程保持睡眠狀態直到調用信息到達為止。當一個調用信息到達，服務器獲得進程參數，計算結果，發送答復信息，然后等待下一個調用信息，最后，客戶端調用進程接收答復信息，獲得進程結果，然后調用執行繼續進行。
以上是百度百科對RPC的解釋。
一個通俗的描述是：客戶端在不知道調用細節的情況下，調用存在于遠程計算機上的某個對象，就像調用本地應用程序中的對象一樣。

(中文) 深入解析jquery實現原理第一章

JQuery is a very good JavaScript library, which greatly enhances the development experience of the front end js, so I recently looked at the source code of JQuery and wanted to share some of my understanding with you.

How to Improve APP Retention Rate?

The sole purpose of business is to create and retain customers

Our APP marketers are always better at getting more and more people to use our products and become our users. But how do you keep them when you have them? It may not be hard for a new app to attract hundreds of millions of users. But it’s never easy to keep these users and increase the number of users to 100 million.
Although users retention needs us to spend a long time to complete the work, we can still take some measures to improve it in the short term and can improve user activity, such as some marketing activities or according to the user’s usage of history to their push precise related news. This is a good way to interact with the users to let them participate, users can be obtained from these activities and news to get more valuable things. Therefore, the app retention rate will be increased.

ORA 4031 error depth parsing

To fully understand the cause of the 4301 error is to understand the execution of the SQL statement and the structure of the Oracle Shared memory.

The communication process diagram between the client and Oracle