advantages of chatbots

Differences and advantages of Native Development hybrid development in web Development Some people have recently discussed whether native development is good or hybrid development is good. Here is the reference data: Recently, the names of native, Web, and hybrid applications have become quite familiar to us. Now we will evaluate the advantages and disadvantages of various applications to further look at th

Why is it so hard to clear CSS floats?Because floating causes the current label to float, it affects both the front and back labels, the position of the parent label, and the width height property.And the same code, in a variety of browsers display the effect may also be different, so that the removal of floating more difficult.There are several ways to solve problems caused by floating, but there are some methods that have problems with browser compatibility.I summarize 8 ways to clear the floa

First, inside the container　　　　1 . Center-container{2 position:relative;3}4 5 . Absolute-center{6 width:50%;7 Height:50%;8 Overflow:Auto;9 margin:Auto;Ten position:Absolute; One Top:0; Left:0;Bottom:0; Right:0; A}Second, negative margin. Is-negative{width:300px;Height:200px;padding:20px;position:Absolute;Top:50%; Left:50%;Margin-left:-170px;/*(width + padding)/2*/Margin-top:-120px;/*(height + padding)/2*/}Advantages:1. Good cross-browser features, c

Nginx/lvs/haproxy is currently the most widely used three load balancing software, the general use of load balancing with the increase in the size of the site according to different stages of the use of different technologies, specific application needs to be specific analysis. if it is a small and medium-sized Web application, such as the day PV less than 10 million, with Nginx can be completely, if a lot of machines, you can use DNS polling, LVS, the cost of the machine is more than a large we

Inner join/left Join JOIN Join multiple tables SQL Execution Plan/view the specific execution process of SQL statements, working principle Advantages and Disadvantages of SQL usage View 10:56:43 | category: SQL | Tag: | large or small subscription sizeThe advantages of using views in database development include: 1. You can access the subset of columns in the table. Some columns in the table are sensitive

. Generally, the use of soap encoding in applications focuses on remote process calls and later RPC message styles. Literal text? If the value of use is "literal", useElementAttribute (for simple snippets) orTypeAttribute (for composite fragments) to reference a specific architecture. For example, data is serialized Based on the specified architecture, which is usually expressed using the W3C XML architecture. Four binding models are formed based on different combinations. In addition, it is al

1.strutsThe struts framework has the advantages of modularity, flexibility, and reusability of components, while simplifying the development of MVC-based Web applications.Advantages:Struts, like Tomcat, turbine and many other Apache projects, is open source software, which is one of its great advantages. Enables developers to gain a deeper understanding of their internal implementation mechanisms.In additio

Commonly used EJB, RMI, Web Service, as well as Hessian, NIO, and so on, their advantages and disadvantages compared to the following: 1:ejb Advantages: Good scalability, strong security, support distributed transaction processing. Disadvantage: Can not cross language, configuration is relatively complex, different Java container is difficult to do seamless migration. 2:rmi

Can a layer-3 Switch completely replace a router? This has always been the focus of debate. We can see that layer-3 switches are powerful, but only in a special environment can layer-3 switches replace routers. In the layer-7 Reference Model of IOS, the layer-2 data link layer is used for exchange and the layer-3 network layer is used for routing. However, the layer-3 switch is very popular recently, what the hell is going on? We analyze the working principle,

The content of this section: The advantages and disadvantages of Nginx and Apache The advantages of nginx in relation to Apache:Lightweight, similarly web service, consumes less memory and resources than Apache serversAnti-concurrency, nginx in processing requests is asynchronous non-blocking, and Apache is blocking type, in high concurrency, nginx can keep low resource consumption and high performanceHigh

This article describes the advantages and disadvantages of three Linux server monitoring technologies, including SNMP proxy (client), SSH, and private proxy (client) installation. The powerful functions and beautiful interfaces of the linux system make many enterprises use the linux system as the server. below are three types of introduction... This article describes the advantages and disadvantages of thre

Summary: The advantages and disadvantages of Apache vs. Nginx 1, Nginx compared to Apache advantage: Lightweight, the same Web services, more than Apache occupy less memory and resources anti-concurrency, Nginx processing requests are asynchronous non-blocking, and Apache is blocking type, In high concurrency, nginx can keep low ... Comparison of the advantages and disadvantages between Apache and Nginx1,

Edit comments:A stackable switch connects several dedicated stack modules of a vswitch to increase the port density of the network access layer exponentially. Some switches can be managed as network elements after being stacked, And the stackable switch simplifies the network structure. In fact, the stackable machine is also useful, and it has many advantages. This article focuses on the exchange advantages

balancer software, which is implemented at the software level, so the cost is very low. Currently, the website architecture is generally reasonable and popular: The Web Front-end uses nginx/haproxy + keepalived as the Load balancer, And the backend uses the MySQL database for master-slave and read-write separation, use the LVS + keepalived architecture. Of course, you must develop a scheme based on the specific needs of the project.Next we will talk about their respective characteristics and a

PHP is also a commonly used advanced computer language. We will introduce the advantages and disadvantages of the PHP framework in this article and share it with you as a reference. The main reference PHP frameworks include: codeigniter, CakePHP, zendframework, and symfony. I have not used many frameworks seriously, but I just tried it for a while. Many ideas may be immature or incorrect. please correct me and grow together. Codeigniter

to your strengths, rather than making up for weaknesses in vain. The main approach is to discover advantages-use advantages-achieve success-enhance self-confidence. Galop: Strengths consist of talents (the subject of your talents is evaluated by the advantage identifier), skills, and knowledge. The core is talent. Talents are inherited and formed in the early stages. They are exclusive to individuals thro

Sing Xing interprets the advantages and disadvantages of mysql stored procedures, Xin Xing mysql Common SQL statements must be compiled and executed before execution. stored procedures are a set of SQL statements to complete specific functions, it is directly compiled and stored in the database. You can call the stored procedure by specifying the name of the stored procedure. The advantages of stored proced

Embedded systems have already penetrated into many industries. They were initially used to control Electromechanical telephone switches. However, this article describes the advantages of Embedded Linux and Linux as embedded operating systems, many advantages of Linux are that it has been widely used in the embedded field, and a considerable number of Embedded Linux systems have emerged. Linux is a mature an

Website construction is no longer a rare task for enterprises or individuals. It is a headache for many people to buy or rent servers. Although it is only a simple alternative, but it is often tangled. The following describes the advantages of renting a server: 1. Out-of-the-box. Users can purchase server space based on their own configurations. When the demand is relatively simple, they can choose not to purchase, without generating any hardware spam