ptr technologies

of the nginx principle, which can be considered as an in-depth professional in the nginx direction.3. Mysql/mongodb:In the second stage of the foundation, in the MySQL application, in addition to the previous basic SQL optimization, but also in the completion of a number of complex operations, such as the import and export of large quantities of data, a large number of online data change table structure or delete index fields and other high-risk operations; In addition to the installation confi

With the rapid development and popularization of the Internet, a new industry and new jobs are rising to the technical level: Web front-end development engineer. What is a web front-end engineer for many 0-based web front-end beginners? What does a web front-end engineer do? What can I do to learn the Web front end? Just touching the web front end will be plagued by a variety of problems. Below, thousands of small series for everyone to dispel doubts.1. What is a web front end engineer?Web front

Xen,vmware the principles of virtualization technologies such as ESXI,HYPER-V and KVMApril 03, 2018 13:51:55 read: 936 XEN compared to VMware esxi,hyper-v and KVM features:XEN has simplified virtual mode, does not need device driver, can ensure that each virtual user system is independent of each other, relying on service domains to complete some functions;VMware ESXI is similar to XEN and includes basic elements such as device drivers and management

The 2005 Java World is the birth of a number of new technologies and new products, small series from the selection of the best 10 new technologies and new products, the 10 product selection criteria only one: the future of Java development and application has a significant impact. If you have a different opinion, please write to me. 　　 One, Java EE 5 Java EE 5 is not simply renamed by Java, Sun has made

Gigabit Ethernet, the technical updates meet the demands of a new generation of Internet technologies for high-speed bandwidth growth and a new generation of applications. Let's take a look at the next generation of technology in the Gigabit Ethernet switch. A distributed Exchange system Users invest in Gigabit Ethernet switches because they need to be able to process packet forwarding in any case, need to be able to handle a new generation of Int

When you look at this book, you may have learned most of the techniques needed to implement Ajax in your application. Again, we want to emphasize that Ajax is a client technology that uses AJAX regardless of the server-side technology you're using, regardless of whether you're using Java,. NET, Ruby, PHP, or CGI. In fact, we don't consider the server side in this book, and suppose you already know how to combine the server-side technologies used in yo

(Alexander Scheidt, vice president of Automotive industry, IBM Global Enterprise Consulting Services)In traditional business, mobile phones and cars are not the intersection of hardware, but in the intelligent connected business ecosystem has the possibility of full integration. IBM further believes that the new technology represented by cognitive computing will change the relationship between people and cars, and that the future is not just a vehicle, but a mobile data center and a cognitive ce

New technologies and new products are emerging every day. Even technical experts in a single field can hardly grasp all the new technologies in the field. How can we understand and report new technologies and new products as far as possible as technical editors away from the front line of practice and provide readers with the most valuable information? According

Before officially designing a website, you should have a preliminary understanding of the various technologies developed by the existing website to avoid blind use of various technologies. = Why do we need to use various development technologies? development technologies are used to solve problems, but they are not use

technologies and information in your field today, only in this way can we keep up with the pace of technological development. In order to keep yourself undefeated.This article lists the top 10 key technologies in today's computer software development and application fields. If you want to ensure that you are not unemployed now and in the next few years, you 'd better keep up with these

What new technologies are available in Android Development ?, New android technology Here we will record the new Android development technologies in zhihu. Here is the link to zhihu. The original problem is as follows: What new technologies are available in Android development?You can start with the uidesign or some core algorithms. This is my original answer

Sports Technology World Cup The World Cup has already reached the semi-finals, a holiday for fans and fake fans all over the world. This World Cup is a wonderful and exciting event. Of course, the latest sports technologies are indispensable, the latest technologies that appeared in this World Cup are like technology fairs that people can see and cannot see. Below we will list some of the more

Mobile data is one of the most promising Telecom businesses. It can meet the needs of various mobile terminal users to access the Internet anytime, anywhere, it can also meet the needs of data and multimedia communication between them. Mobile IP is one of the key technologies to implement mobile data services. It supports mobile terminals with fixed IP addresses to move freely on the Internet and keep communication uninterrupted during the mobile proc