website development programs

features of a large web site system 1, high concurrency, large traffic: need to face high concurrent users, large traffic access.2, High availability: uninterrupted service.3, massive data: Management Lehigh volume data, using a large number of servers.4, rapid change in demand, frequent release: Internet products for rapid adaptation to user needs, version iteration. 1. Initial phase of the site architectureThe site initially did not have too many people to visit, just need a server more than

Website preliminary investigation phaseDocument 1: The main content of the preliminary investigation and analysis report is what kind of investigation has been conducted, the survey object, the survey coverage rate, and the survey result. The conclusions drawn from this result and some constructive comments.Determine the website theme stageDocument 2: website CI

article to the database, which is mainly used for management, modification, and search.5. To achieve full-text search, you can consider third-party stuff. In this way, a few articles similar to this Article are included after each article. Recently, we are working on the design of a large comprehensive portal website background management system (Content Management System ).And planning, a deep understanding of

Public Function Download ($currdir = null) { $file = UrlDecode ($currdir); $file = Iconv (' UTF-8 ', "GB2312", $file); if (!file_exists ($file)) { $this->error ("file does not exist"); } BASENAMECN is a method of common file customization $filename = BASENAMECN (Iconv (' GB2312 ', "UTF-8", $file)); Tell the browser to handle the attachment Header (' content-disposition:attachment;filename= '. $filename); ReadFile ($file);}PHP, thinkPHP5.0

sub_image are text types, and there is no text type in Jdbctype, which needs to be converted to a varchar type.Mybatis-generator function, automatically generates DAO,POJO layer, and mappper.PS: When adding data to the database, it is often added creattime, and UpdateTime, two timestamps, so that the data can be added automatically at the time of adding the two data, to avoid unnecessary errors, the mapper under the XML file under the Insert value change , Creattime and UpdateTime are changed t

To delete the repository, using Git remote add orgin{git address} to establish a remote repository, see: 50381432, after the completion of the establishment, the local warehouse files to the remote repository to see the current local branch git branch, For master, push to remote branch, execute GIT push-u Origin master, the first failure, follow the prompts with git pull in executing Git push-u origin master, still prompt failed, failure reason:, prompt the current branch behind the remote bran

different roles can only open the Administration page within their own rightsfrom functools import wrapsfrom flask import sessionfrom app.models import Admin, Auth, Role# 权限控制装饰器def admin_auth(func): @wraps(func) def decorated_function(*args, **kwargs): admin = Admin.query.join(Role).filter( Role.id == Admin.role_id, Admin.id == session.get("admin_id") ).first() auths = admin.role.auths if auths: auths = list(map(lambda v: int(v

The role of the chain, as we all know, here I learned from the simple introduction, the chain is a kind of advertising, but more important is the search engine one of the most important optimization means, you can improve the site corresponding keywords in the search engine rankings, improve the site on the search engine weight, improve the site's exposure rate, So that the healthy growth of the site, but not what the chain has a corresponding effect, the following we say what kind of outside th

Second, the route1. Open routes/index.js , which means capturing a GET request to access the home page:and assigned to the corresponding route via app.js :See here, open http://127.0.0.1:3000/users/to feel the meaning of a route:routes/index.js File:If our request is get, the path is '/' then it is rendered index.ejs this view, you can omit the suffix name. Ejs:This means uploading the data to the Index.ejs and outputting it to the page.2. View Views/index.ejsYou can see that the EJS fetch data

The dispersibility and interactivity of Web development determine that Web development must comply with certain development specifications and technical conventions, only when each developer designs, communicates, develops, tests, and deploys according to a common specification can the entire development team coordinat

　　Handle the problem between website operation and development　 The operation of a website project is inseparable from the close collaboration of a team. In this team, it consists primarily of two parts of operations and development. However, in many aspects, such as experience, job role and cognition level, there are

Section 1: Potential of WAP These days, we often hear about WAP Technology, a mobile Internet technology. Technically speaking, mobile phones cannot compete with PCs. Mobile phone screens can only contain a few characters, and their bandwidth is also very limited and the input is clumsy. So why should I introduce it? hey, there are two main reasons I think WAP must be successful. Ubiquitous: If you have a mobile phone, you can access the WAP website

Mysql and php dynamic website development getting started. this series of tutorials starts from the form, because the form can make the interaction between the database and the web very obvious. Submit a form to record registration information in the database. This tutorial is a basic tutorial. Please skip this step. It is very popular with programmers for the stability between php and mysql. Although the

Dynamic website web development PHP, ASP or ASP. NET is a frequently asked question, and it is easy to bring people into the debate about Linux or Windows going astray. This debate actually reflects how difficult it is to conduct parallel analysis on competing Web development technologies, this difficulty is also greatly increased because developers have differen

PHP website development encounters a Chinese encoding. The Chinese encoding problem in PHP programming has plagued many people. The cause of this problem is actually very simple. every country (or region) specifies the character collation set for computer information exchange. The Chinese encoding problem in PHP programming has plagued many people. The cause of this problem is actually very simple. every co

/xamppaddon find other XAMPP plug-ins. Action 4: Upgrade XAMPP When a separate component in the XAMPP assembly is upgraded, we will upgrade the XAMPP synchronously. However, the changes to some of these components are incompatible with our latest release, so we will not upgrade such components. We can usually upgrade all the servers and programs in XAMPP. But we do not upgrade the profile because you may have modified them already. Tip: If you are u

Use PHP and XML for website development. 1. small-order HTML is easy to learn and common. common PHP programs are embedded in the HTML language. However, as WEB applications become more and more widely used, the weakness of HTML becomes more and more obvious. I. small order HTML is easy to learn and common. common PHP progr