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CPU power status (c-States)

performance, the increase in power consumption has become a headache. High power consumption will not only consume a large amount of energy, but also lead to an increase in the chip heat, affecting the stability and life of the electronic chip. So how can we reduce the power consumption of chips and achieve energy saving? From the perspective of hardware manufacturers, on the one hand, they can reduce energy consumption and heat consumption by improving the chip process. On the other hand, by c

Open-source 3D is the first test of strategic game glest.

This is a well-known 3D game in mainstream groups. It is rare and valuable. It supports win/Linux. So, if you are a Linux player, thank you! Official Address download: http://www.glest.org/en/index.html The game background, settings, and source code are also there. Note: 1. There is no culture in the game. I can solve this problem if I have time to work :) 2. The game requires support from opengl1.3 and later versions .. Therefore, make sure that your video card supports OpenGL and installs

PostgreSQL Stored Procedure return dataset instance

) values ('platinum member ', 6.5, 10000 );Insert into member_category (name, discount_rate, base_integral) values ('Senior members', 7.5, 1000 );Insert into member_category (name, discount_rate, base_integral) values ('intermediate members', 8.5, 100 );Insert into member_category (name, discount_rate, base_integral) values ('ordinary members', 9.5, 10 ); Insert into member (member_num, name, category_id, account, integral, phone, birthday, qq, email, onaccount, status, address, tip, start_date,

Oracle functions: lpad nvl upper replace

LpadIn Oracle/PLSQL, the lpad function fills the string on the left with some specific characters,The syntax format is as follows:Lpad (string1, padded_length, [pad_string])String1 is the string to be pastedPadded_length is the number of returned strings. If the number is shorter than the length of the original string, the lpad function splits the string into padded_length; Pad_string is an optional parameter. This string is to be pasted to the left of string1. if this parameter is not written,

thinkphp the difference between Select and find (RPM)

Do ordinary PHP project to thinkphp, the field automatically complete match, Ajax when the foreground data is not available, after the discovery is the select and find return data sets are different, refer to the following method modification.$this->ajaxreturn ($msg [0]); Select returns a two-dimensional array, and find returns a one-dimensional array.Thinkphp is a good PHP development framework, can be more rapid development of the MVC architecture Management System, we need to use the Select (

PostgreSQL partition table (partitioning) application examples detailed _postgresql

range: CREATE OR REPLACE FUNCTION sys_log_insert_trigger () RETURNS trigger as $$ BEGIN IF ( NEW. Operation_ Time >= date ' 2016-09-01 ' and NEW. Operation_time Finally, create a trigger to perform the function you just made: CREATE TRIGGER Sys_log_insert_trigger before insert on T_sys_log_main for each ROW EXECUTE PROCEDURE sys_log_ Insert_trigger (); Here is the complete creation, the final test to see the results. To confirm that our triggers did trigger, we

Introduction to Oracle Lpad and RPAD functions

The Lpad function fills the string with the specified character from the leftbasic Syntax: Lpad (String, Padded_length, [pad_string])String : Preparing the filled stringsPadded_length: The length of the string after padding, that is, the length of the string returned by the function, if the number is shorter than the length of the original string, the Lpad function will intercept the string as a left-to-right n characterpad_string: Fills the string, is an optional argument, the string is to be p

How to add a custom node in the Rancher 2.0 TP2 kubernetes cluster

Rancher is an open-source full-stack enterprise container management platform, the user in the rancher visual interface in a single click to complete all the container infrastructure (network, storage, load balancing, etc.) docking and deployment, to ensure that the container on any infrastructure (public and private cloud, virtual machine, The physical machine, etc.) runs seamlessly. All the work of using containers in a production environment can be done with simple, intuitive operation.?start

Recommended ten foreign It websites

1, Cnet: The world's largest it portal, focus on industry news.URL is: http://www.cnet.com/The slogan is "Tech news First". Highlighting the journalistic nature, first here has the speed, also has the depth intrinsic meaning. The industry's major news and dynamics are basically able to maintain the fastest, and in-depth coverage.The content of the website is divided into six major sections: Enterprise (Enterprises), e-commerce (e-business), communicat

SEO: A number of problems affecting site rankings

some measures friends, the world does not have a free lunch, Register your own domain name, good horse also have to match good saddle, not only more easily be indexed by search engine, to rank also have benefit. 8. For English words, whether the keywords use singular or plural? Should the title, meta tags, etc. be used at the same time? A: If you want people to have more opportunities to find you, you need to use both. For some search engines, when you use a singular word, it can automatically

Oracle developer Java Stored procedures

Procedures)", which can be found in the following locations: otn.oracle.com/tech/java/java_db/pdf/ Ow_30820_java_stored_proc_paper. Pdf New Pl/sql features in the 2nd edition of Oracle9i Database otn.oracle.com/tech/pl_sql/pdf/ Paper_30720_doc.pdf Resolver Spec otn.oracle.com/docs/products/oracle9i/ Doc_library/release2/java.920/a96659.pdf ORACLEJVM and Java 2 security otn.oracle.com/docs/products/oracl

HBASE Common shell commands, additions and deletions to search

First give the data of this operation Create ' student ', ' info ', ' address ' put ' student ', ' 1 ', ' info:age ', ' Put ' student ', ' 1 ', ' info:name ', ' Wang ' put ' student ', ' 1 ', ' info:class ', ' 1 ' put ' student ', ' 1 ', ' address:city ', ' Zhengzhou ' put ' student ', ' 1 ', ' Address:area ', ' high-tech zone ' put ' student ', ' 2 ', ' info:age ', ' Put ' student ', ' 2 ', ' info:name ', ' Yang ' put ' student ', ' 2 ', ' Info:class

Learn Exchange (vii) Recovery Storage Group for backup and restore of Exchange messaging systems

Project background: Xian Lingyun High-tech is a 300 employees of High-tech Enterprises, headquartered in Xian. There are branch offices in Shanghai and Beijing respectively. Xian Lingyun High-Tech Co., Ltd. 's mail system is very important to the success of the company, sales pay depends on the rapid and reliable customer contact, the other departments are also

MySQL master-slave replication principle, master-slave replication (asynchronous), semi-synchronous replication, SSL-based Replication

/cakey.pem)# openssl req -new -x509 -key private/cakey.pem -out cacert.pem Country Name (2 letter code) [GB]:CN State or Province Name (full name) [Berkshire]:GD Locality Name (eg, city) [Newbury]:ZS Organization Name (eg, company) [My Company Ltd]:NEO Organizational Unit Name (eg, section) []:tech Common Name (eg, your name or your server's hostname) []:station01.neo.com# mkdir newcerts certs crl# touch index.txt# echo 01 >serial 2

Program Ape must know the learning site, suggested collection

explained using Venn diagram Frequently asked SQL Query interview Questions Get ready to learn sql:8. Database Normalization explained in simple english-essential SQL Programming Language Concepts:lecture Notes: The concept of object-oriented programming and the concept of programming language We Help Coders Get hired: This site provides courses on system design, interviewing strategies, soft skills, and more Checkcheckzz/system-design-interview How to break into the

Configuration and management of Web servers

domain name resolution by modifying the client's Hosts file.) Then we set the hostname www.ytvc.com.cn for the YTVC site and put its port number back to 80.The host name of the default Web site is then set to Www.coolpen.net.So that the client can enter a different URL to access different sites, which is the most often used in practice is the most recommended way, but in this way can not be accessed through the IP address of the corresponding site (many of the actual sites can be accessed by th

Foreign well-known it website (reprint)

Transferred from: http://supportopensource.iteye.com/blog/780566===========================================1.Cnet: The world's largest it portal, focusing on industry news.The slogan is "Tech news First". Highlighting the journalistic nature, first here has the speed, also has the depth intrinsic meaning. The industry's major news and dynamics are basically able to maintain the fastest, and in-depth coverage.The content of the website is divided into

StackOverflow Programmer Recommendation: 30 books that every programmer should read

books, and there is no Chinese version. There is also an electronic version on the Northeastern University website.25. The road of Interactive design English name: "The inmates is Running the asylum:why high Tech products drive Us Crazy and how to Restore the sanity" The book Alan Cooper, the Father of Visual Basic, is the father of interactive design.This book is based on a number of business cases that describe how to create better, high customer l

Programmer must read 30 books-turn

Rosol24. "The Little schemer" and "The Seasoned schemer" NmirandaThese two are Lisp's English books, and there is no Chinese version. There is also an electronic version on the Northeastern University website.25. The road of Interactive design English name: "The inmates is Running the asylum:why high Tech products drive Us Crazy and how to Restore the sanity" The book Alan Cooper, the Father of Visual Basic, is the father of interactive design.This b

What books a qualified programmer should have read

! 》 Although this book may be a little tricky, believe it or not, this book has been on the reading list of computer science majors.A good character model, a good book about curiosity. –mike511 22, "Effective Java Chinese Version" The second edition of this book teaches you how to write beautiful and efficient code, although this is a Java book, but there are many cross-language ideas. –marcio Aguiar 23, "Patterns of enterprise Application Architecture/Business applic

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