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1. Close SELinux [root@ds-vm-node83 ~]# sed-i ' s/^selinux=.*/#&/;s/^selinuxtype=.*/#&/;/selinux=.*/a SELINUX=disabled '/etc/ Sysconfig/selinux[Root@ds-vm-node83 ~]# Setenforce 0Setenforce:selinux is disabled[Root@ds-vm-node83 ~]# 2. Install Epel

I. Use sqldataadapter. Update (Dataset DS) to update the database.1. When dbdataadapter calls the update method, dataadapter analyzes the changes and runs the corresponding commands (insert, update, or delete ). When dataadapter encounters a change

/** Date: 2006-08-14* Ver: 0.1*/ # Ifndef _ ln_h# DEFINE _ ln_h# Include # Define string_length 100 Typedef Enum{None_type = 0,Hex_type = 1,Bcd_type = 2} Data_string_type; Class ln{Public:Ln (): DT (none_type), sign (0) {memset (DS, 0, string_length

Let's talk about several common problems of DS series storage today, 1, Multiple Drive failed This problem should be the biggest headache for all administrators. Once multiple disks break down, the application system will not be able to access the

DS & A 2. Linked List   Define prototype Prototype Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> ///   /// Define initialize Node object ///   Public   Class Worker

For beginners, the compilation of many commands is too complex, often learning for a long time can not write a beautiful program, so as to hinder our interest in learning compilation, many people give up. Therefore, I personally read the legal

ASP. NET provides three powerful list controls: DataGrid, DataList, and Repeater controls, but only the DataGrid control provides paging functionality. Relative datagrid,datalist and repeater controls have a higher style customization, so many times

Why spark SQL goes far beyond the MPP SQLObjectiveThis is not about performance, because I didn't try to compare it (as explained below), but instead try to look at a higher level, why Spark SQL is far beyond the MPP SQL.　　 Spark SQL and MPP

An XML file (Bookstore.xml) is known as follows: Corets, Eva 5.95 1. Insert Node To insert a node into a node: Copy Code code as follows: XmlDocument xmldoc=new XmlDocument (); Xmldoc.load ("Bookstore.xml"); XmlNode Root=xmldoc.

Program generates XML documentThis approach is to use a C # program to generate an XML file and place the data in it for processing. Here are a few different ways to achieve the same goal. Simple example of using the XmlWriter class to edit data: