blockchain advantages and disadvantages

What is an infinite scrolling page? You must not be unfamiliar. It's not clear, just brush up on Weibo and know. Would you like to know if your site is suitable for using an infinite scrolling page, see this article should be very helpful! The Endless scrolling page is a topic of fire that is now discussed. We say the Infinite scrolling page is a new type of navigation, when you slide the mouse to the bottom of the page, the page will automatically load the new content. We often use the

Advantages and disadvantages of stored procedures Stored Procedure benefits: 1. The T-SQL process code becomes more complex as the application changes over time, adding or deleting functionality, and StoredProcedure provides a replacement location for encapsulating this code. 2. Execution plan (the stored procedure is compiled the first time it is run, which produces an execution plan-is actually

implementation of LINQ to SQL is based on ado.net and c#2.0. It translates the SQL statement automatically and creates the result set as an object and returns. Here we can see that the SQL statements sent to the SQL Server side are generated automatically by LINQ to SQL. This is no doubt a boon to those who do not know SQL. Second, LINQ to SQL statements are checked during compilation. Rather than run-time checks. In this way, there is a problem and can be changed in time, rather than at runtim

When we format a USB disk, we can see three options in the Format option, are "Quick format", "Enable compression" and "Create a DOS boot disk", most of the time we choose to format quickly, very few people use the back two, today we will give you a specific introduction to the "Enable compression" option. Look at what it does and what the pros and cons are. Enabling compression is NTFS-formatted to compress the disk (compress the files inside your hard drive to save hard disk space).

Method One : Modify the server.xml fileAdvantages :Configuration is fast, just add tags to the server.xml file , where you configure the path virtual path and docBase the real path and start the Tomcat ServerDisadvantages :Need to configure two paths if path is an empty string, default configurationRestart the Tomcat server after each modification of the server.xml file , redeployMethod Two : create a virtual host under the Catalina folder and configure the virtual hostAdvantages :Configure th

speed than the single-server mode speed can be faster.E) low cost: different from the HTTP mode, the server does not necessarily put a high-quality computer room, can only a small number of room. Many servers can be used in the United States low-cost servers, 1G bandwidth one months on more than 1000 yuan, this price seconds to kill a lot of domestic computer room. Before 2008, I also saw someone renting some houses and putting on some ordinary computers to do peer-to speed. Especially looking

Advantages of DIV+CSS1, in line with the standard. This ensures that your site will not be phased out for future upgrades of your Web applications.2, more affinity for viewers and browsers. Because CSS is rich in style, making the page more flexible, it can be based on different browsers, and achieve the unity and non-deformation of the display effect. This supports browser backwards compatibility, which means that whatever the future of the browser w

());//true Console.log (false); Isboolean Console.log (isstring (1));//false Console.log (IsError (1));//false Console.log (New Error ()); IsError Console.log (iSarray ([]));//true Console.log (IsArray (1));//false The code above implements IsNull, isundefined, Isboolean, Isnumber, isstring, Isfunction, IsArray, IsDate, Isregexp, IsObject, IsError these 11 detection functions. The type function is also implemented to detect the data type. Console.log ({});//"Object" Console.log (Typ

The usage and advantages and disadvantages of anonymous function in JS Anonymous functions are effective in ensuring that JavaScript is written on the page without causing global variables to be contaminated.This is very effective and graceful when adding JavaScript to a page that is not very familiar. One, what is the anonymous function. There are generally three ways to define a function in javascript:

action is taken on the values in a and b memory, which means that you are working on another two separate memory spaces that are not associated with a and b, so naturally you cannot swap the values of A and B. So why is the first method possible? Since the F () function is invoked at this time, the incoming formal parameter is a and b, so that is to say x=a,y=b, then obviously *x and a are a concept, and the operation *x and *y are actually the * (a) and * ( b), so when swapping *x and *y, the

DatabaseType Characteristics Advantages Disadvantages relational databaseSQLite, Oracle, MySQL 1, relational database, refers to the use of a relational model to organizeDatabase of data;2, the most characteristic of relational database is the consistency of affairs;3, in simple terms, the relational model refers to the two-dimensional table model,A relational database is a data

The pointer is the C language only so successful one of the important reasons, of course, anything, is often a two-sided, essentially one, looks is both sides, the key is to ingenious, not more than the distinction between advantages, disadvantages. C language is mainly for the hardware and system of the underlying programming, in the hardware and system-level programming, the flexibility of the data requi

Increase the advantages and disadvantages of the mainstream mode of the outside chain Statistical tools are not just to see how many people today, but to see how people come, have seen what to do, the site clicks the largest number of what, and so on. A good seoer must be a good analyst who sees "truth" from the data. Individuals are just trying to look at the data, there are several aspects of the feeling

the statistics on memory consumption**※ but also notice that the difference in the unit is milliseconds,* I just want to show that generics are good,* But do not excessively pursue the merits of the procedure,* In short, to grasp this degree, for their own is the best* O (∩_∩) o~*/Console.read (); Advantages and disadvantages of ArrayList and LinkedList Java programming We use the most of the

1. Distinction between Ngui and Ugui 1) Ugui Canvas has world coordinates and screen coordinates 2) Ugui image can be used material 3) Ugui through mask to cut, and Ngui through the panel clip 4 Ngui rendering sequence is through the depth of the widget, and Ugui render order according to the hierarchy order, the more below rendering at the top level. 5) Ugui do not need to bind Colliders,ui can automatically intercept events 6 Ugui Anchor is relative to the parent object, does not provide advan

previous site content. Because in the search engine database has not completely deleted the previous site all the data, so this need to give the search engine more time to recognize the new site. My friend's website listens to him to say that it is almost one months before beginning to collect. The old domain name to do a new station has a certain advantages and disadvantages, for its needs according to o

With the gradual deepening of network application, the Telecom class switch, especially the three-layer switch, has become the focus of the market contention. However, in different functions, a wide range of switch equipment, users how to remove the fog, to find their own application characteristics of the product? This not only requires users to start from the traditional switch evaluation indicators, consider the price of products, but also pay special attention to whether the product can prov

support the "IP Tunneling" (IP Encapsulation) protocol, the server may only be limited to some Linux systems. Iii. Direct routing mode (VS-DR) Principle: Both the Load balancer and RS use the same IP external service, but only Dr responds to ARP requests, all RS to the ARP request of itself this IP is silent that is to say, the gateway to the service IP request all directed to the DR, and Dr received the packet according to the scheduling algorithm, find the corresponding RS, To change the d

When you burn a data disc under Windows XP, you copy the file you want to burn to a mirrored drive, and then burn it as a mirror. This process may seem complicated, but Windowx XP has done all the preparation for us, so just add the file you want to burn by adding it to the list on the disc by copying-pasting, dragging and dropping the file or selecting the file. Here are two examples to illustrate the specifics of the operation and to explore the advantage