advantages of chatbots

Do you know the seven advantages of Nginx? Have you heard of LNMP? Where N refers to Nginx, which is a lightweight Web server/reverse proxy server and e-mail (IMAP/POP3) proxy server, and is released based on the BSD-like protocol, developed by Russian programmer Igor Sysoev, Rambler is used by Russia's large entry-level website and search engine Rambler (RUSSIAN: Russian. Nginx is well known for its low memory usage and strong concurrent capabilitie

Concepts, advantages, and syntax of SQL Stored procedures before learning program procedures, what is a stored procedure first? What advantages does stored procedure have? Definition: Store common or complex tasks in advance with SQL statements and a specified name, to enable the database to provide services with the same functions as the predefined stored procedure, you only need to call execute to automa

What are the advantages and disadvantages of associating data in an application (that is, executing multiple queries and associating the results) and directly using associated queries? In what scenarios can these two methods achieve better performance? What are the advantages and disadvantages of associating data in an application (that is, executing multiple queries and associating the results) and directl

We can use the agent service for SNMP protocol. The SNMP protocol proxy has many advantages, and there are also many disadvantages. Next we will explain the content in this regard. First, let's discuss the basic information. Many proxies on the network serve us. As long as we enable UDP/161,162 ports, these proxies will use the Management Information Base (MIB) if you are interested, you can find a bunch of Network Management software with the SNMP (S

Summary of the disadvantages and advantages of CSS framework layout many websites now use p + css to deploy the webpage structure. The advantage is that the speed is high and the negative impact can be seen. The following analysis I wrote an article "using CSS framework for efficient Site Development" in front-end time. Many of my friends asked me related questions. Very early on, 5key was working on the CSS framework architecture at the company, and

Advantages and disadvantages of ASP. NET WebForm and MVC, asp. netwebformmvc Posted on my personal website, please clickRead! Differences between aspnet mvc and WebForm MVC vertically splits the code in the development process from the server to the browser, and the coupling between layers is very low, because it is encapsulated along the underlying development context, therefore, developers can understand the entire process flow. However, MVC has a m

possible to put together the correlation, priority to use the combination of classes rather than inheritance, if you need to put the field in the View object is a large composite class, such as broker entities or listing entities, it is recommended to store separately in ViewBag. The purpose of these practices is more convenient to use these variables on the one hand, reducing the granularity of passing parameters when invoking a local view or function in a view, and improving the reusability o

Most of the information in this paper is a excerpt of the Internet, and only to do is to integrate the scattered resources on the Internet and add their own a little insight. The simple thing is that Apache httpd and Nginx are Web servers, but the two adapt to different scenarios, that is, the two focus on solving different problems. Apache httpd: Stable, strong dynamic request processing, but at the same time high concurrency performance is weak, consuming more resources. Nginx: High concurrenc

"Abstract" This paper gives a brief description of TCP congestion control algorithms, and points out their advantages and disadvantages, and their applicable environment."Keyword" TCP congestion control algorithm advantages and disadvantages of the application of environmental fairnessFair sexFairness is the ability to equitably share the same network resources (such as bandwidth, cache, and so on) at each

linked list is better than an array:1. Insert and DELETE operations. Assuming that an element is inserted in the middle of the array, the memory address of all the elements behind the element will be moved backwards. The same is the case with the deletion. Only when the last element of the data is inserted and deleted. It's quicker than that. The list simply needs to change the node information within the node that is necessary to change it. There is no need to change the memory address of the

Linux, MySQL, PHP The advantages of these frameworks have been introduced before, LNMP and lamp is different from the Web server Nginx, then nginx compared to what advantages of Apache?Nginx is a small and efficient Linux under the Web server Software, has been in some large sites for many years, many domestic and foreign portals, industry sites are in use Nginx, quite stable.Nginx's main features are stabl

types are "invisible conversions" during execution. developers do not know the implicit conversion rules, it is easy to produce unpredictable results. This feature is completely different from what you see is what you get. However, there is a reason why they can develop and stand out. Weak types and other language features reduce the barrier of programming languages. Programming language is a bridge between humans and machines. the ultimate pursuit is actually to "reduce the communication cost

Functional Organization Advantages:1, strong technical support, easy to exchange, 2, clear career promotion route; 3, straight line communication, simple communication, responsibility and authority is clear; 4. Facilitate repetitive work-oriented process managementThe disadvantages of functional organization:1, the intelligent benefit takes precedence over the project, has the narrow nature, 2, the organization horizontal connection is weak, the inter

The advantages and disadvantages of coffeeSOURCE https://zhuanlan.zhihu.com/p/21757772Coffee is with the non has been arguing for many years, some people say coffee good, some people say coffee bad. Good people just found the beauty of it, said the bad person is nothing more than a little bit of understanding of the impact of coffee on the human body, then the advantages and disadvantages of drinking coffee

When talking about Microsoft's core CLR runtime environment specifically packaged for Silverlight, we have to talk about the whole. net Framework advantages, many people will. net Clr and JRE, both of which have powerful basic class library support, can be said to provide the foundation for enterprise development, and Silverlight enjoys such a basic class library, to reduce the file size during running and improve the user's download and installation

Advantages of lithium battery related structures and Protection Circuit Analysis Scheme Reprinted from: http://news.cecb2b.com/info/20120314/33451.html Lithium ionBatteryWith its excellent features, it is widely used in:Mobile phones, video recorders, laptops, cordless phones, power tools, remote control, electric toys, cameras, and other portable electronic devices. 1. Lithium Battery It can be charged with nickel-cadmium or nickel-mh Batt

Several advantages of WPSSeveral advantages of WPS1, WPS very small, wps2009 source file 27M, after installation 114m,wps2010 158M, toolbar, program settings, templates can be saved in a file, re-installed with \wps Office personal\office6\ Wpscfgio.exe program One-click Restore configuration, directly copied to another computer can run, it is easy to make green version. The office2003 and Compatibility Pac

------- Android Training , Java training , look forward to communicating with you! ----------First, the synchronization ofarraylist,linkedlist are not synchronized, while vestor are synchronous. So if thread safety is not required, you can use ArrayList or LinkedList to save the overhead of synchronizing. But in the case of multithreading, sometimes you have to use vectors.Of course, there are some ways to package arraylist,linkedlist, so that they can also be synchronized, but the efficiency ma

Introduction: This is PHP fastcgi the advantages of the detailed page, introduced and php,fcgi, CGI, fork, PHP php fastcgi The advantages of knowledge, skills, experience, and some PHP source code and so on. class= ' pingjiaf ' frameborder= ' 0 ' src= ' http://biancheng.dnbcw.info/pingjia.php?id=357913 ' scrolling= ' no ' > FCGI Advantages:1 do not fork for each

Event Description: Since the beginning of August, there was a huge amount of coding. I was excited by various symbols. So I found the layout of Dvorak on the keyboard of human body engineering on the Internet, what is the distribution of left and right hands and so on, and there is a dedicated programmer layout, so the download exercise, the typing time is about an hour every day, it is 5-6 days, it is still very painful, originally, the English typing speed was about 250 keys per minute, and no