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spark作为apache旗下顶级项目之一，在2015年火得一塌糊涂，在2016年更是势不可挡，下面两图可见一斑：对于spark的学习，掌握其API的使用仅仅只是皮毛，我们要深入源码研究其本质，能够做到源码级别的修改和定制，才是真正掌握了它，也才能更好地使用它。从今天起，我们将踏上这一征程。Spark的子框架有若干, 我们将从Spark

Description: Information System Practice Notes series is the author in peacetime research and development has encountered the size of the problem, perhaps simple and subtle, but often is often encountered problems. The author is more typical of

Today, many email clients and services provide built-in anti-spam tools, such as Yahoo! Emails, Hotmail, and Microsoft Outlook 2003. In fact, the Built-in anti-spam functions of some products (especially Hotmail and Oddpost) seem to be no worse than

The Linux administrator must pay attention to the security concerns. The fact that Linux is hacked is the least acceptable to the Administrator. How to check whether the system managed by the Administrator is secure, can I check if my Linux is

http://www.infoq.com/cn/articles/agile-version-control/Version control between multiple agile teamsIf we have multiple Agile teams working on the same code base, how can we minimize the risk of conflicting code with each other? How do you ensure

Requirements 1, after starting the program, enter the user name password, if it is the first time to log in, let the user enter wages, and then print the product list 2. Allow users to purchase goods according to the product number 3, the user

Linux system security and optimization configuration 1. openssh security configuration this section focuses on SSH-related security configuration 1. 1. prohibit the root user from logging on only to normal users, and then switch to the root user

Linux under Configuration Squid1. What is squidSquid cache (squid) is a popular free software (GNU General Public License) proxy server and Web cache server. Squid has a wide range of uses, from caching related requests as Web server cache servers

Experience the powerful functions of myie2. Internet Changyou application tipsNumber of visits:6050 Author:Wu yubiao Li LiliSource:China Computer Education News Myie2 (Internet Changyou)

1. Reload windowsxp no re-activation required If you need to reload the windowsxp, you will usually have to reactivate it. In fact, as long as the first activation, back up the WindowsSystem32 directory in the Wpa.dbl file, there is no need to