*****/usr/sbin/ntpdate 172.16.0.1 >/dev/null [root @ node2 ~] # Hostname slave [root @ slave ~] # Crontab-e */1 *****/usr/sbin/ntpdate 172.16.0.1 >/dev/null
2. Create a user with the copy permission on the master node and use the authorized user on the slave node to connect to the test;
[Root @ master ~] # MysqlWelcome to the MySQL monitor. Commands end with; or \ g. Your MySQL connection id is 3 Server version: 5.5.33-log MySQL Community Server (GP
to 7, the number of elements in the stack is set to 7, that is, deleting an element is the top element of the stack. This is a positive number, that is, it is set relative to the bottom element of the stack. If it is relative to the top element of the stack, a negative value is required; that is to say, if the index is set to-2 (index =-2), it is also equivalent to deleting the top element of the stack, set a macro:# Define lua_pop (L, n) lua_settop (L,-(n)-
When I first started to work on Android, I had to encounter some simple problems for the experts, but I was a newbie, here we will save some technical notes that I am engaged in Android development and hope they will be helpful to future users.This article is original. Do not use it for commercial purposes. If you need to reprint the record, please keep the copyright information and notify me to request the right to reprint the record.1. the following
When I first started to work on Android, I had to encounter some simple problems for the experts, but I was a newbie, here we will save some technical notes that I am engaged in Android development and hope they will be helpful to future users.
This article is original. Do not use it for commercial purposes. If you need to reprint the record, please keep the copyright information and notify me to request the right to reprint the record.
1. the followi
9.7.2 heap Sorting AlgorithmHeap Sort is a method of sorting by Heap (assuming that a large top Heap is used. The basic idea is to construct the sequence to be sorted into a large top heap. At this point, the maximum value of the entire sequence is the root node of the heap. Remove it (in fact, it is to swap it with the end element of the heap array, at this time the end element is the maximum value), and then re-construct the remaining n-1 sequences
1. Oracle introduction Oracle is the first word for English translation of Oracle (oracleboneinscriptions) Unearthed from Yin Yu. Oracle is the world's largest supplier of information management software and services. Founded in 1977, Oracle is headquartered in Redwoodshore, California. Oracle is famous for its complex relational database products. Oracle
1. Oracle introduction Oracle is the first word for
xxx_deleted, xxx_tmp to XXX;
Import raw data
Insert into XXX select * From xxx_deletedxxx_deleted;
OK, everything is done. The entire process is 50 minutes. After the mmm failover is switched, the outline operation table structure changes and data import. The actual downtime does not include the time for modifying the table structure partition field, only the Failover switching time is 30 seconds.
MySQL partition: the official English documents. The
Org.apache.commons.dbcp.DelegatingPreparedStatement.execute (delegatingpreparedstatement.java:172) at Org.apache.commons.dbcp.DelegatingPreparedStatement.execute (delegatingpreparedstatement.java:172) at SUN.REFLECT.NATIVEMETHODACCESSORIMPL.INVOKE0 (Native Method) at Sun.reflect.NativeMethodAccessorImpl.invoke ( nativemethodaccessorimpl.java:57) at Sun.reflect.DelegatingMethodAccessorImpl.invoke ( delegati
aa = get set ji = final) else set aa = discard set ji = beforeIf "% shu :~ 0, 1% "="-"set shu = % shu :~ 1%Set str1 = % var :~ % 1% % num %Set str2 = % aa % var % ji % shu % bit % nums %Call set str3 = % var :~ % 1% % num %Call echo % str1 :~ 0, 15% % str2 :~ 0, 30% % str
simple and easy-to-understand image, a clear contrast color, and a large font, so it is clear and easy to distinguish, a glance to know its meaning.
This is what Metro wants to achieve. In the real world, we take the metaphor that everyone is used to into the mobile phone interface. When creating a Windows Phone 7 Application, we should put availability and UI first, in addition, we should follow the design principles of Metro:
Clean, lightweight, open, fast, enthusiastic, and lively
Focus
Welcome everyone to punch in every day ~Training camp Rules
Every day an exercise, please do your own coding
The next day's article will tell you one or several classic solutions
Complete the practice of the students, welcome to put the code in the message
If there is a problem, please leave a message, I will find the opportunity to focus on the answer
Hopefully this hands-on approach will help you master C programming as quickly as possible.
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