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installation verification 1. Open the Command Line window 2. Enter the password 3. Enter the root password and press ENTER 4. Display Mysql> input mark 5. Enter display all database commands: show databases; Be sure to have a semicolon and press ENTER 6, display the system default 4 database Iv. navicatformysql Download and use 1. The file name after

At the request of many friends, I have packed the 1-57 series of this series, including the summary examination video files of the previous chapters! In view of the fact that the storage space is provided by a friend on the server where his website is located, it is not convenient to use his server for download! Please do not ask me to pass it to you. It is almost unrealistic, because my uplink speed is les

Upload and download files on the Http server (3) (1) I. Introduction The general process has been explained in the first two chapters. When designing an Http server, I designed a four-layer structure. The bottom layer is the network transmission layer, that is, socket programming. The next layer is the Request and Response layer, called Request and Response. The above layer is the URL parsing process direc

Jsp + Servlet implement file upload/download file upload (1), servlet File Upload The file upload and download functions are essential and useful for Java Web.This article uses the famous File Upload Component under Apache.Org. apache. commons. fileupload implementationNext we will first write the first file to upload based on the materials we have recently seen

1) New remote host judgment, save server resources. Avoid the remote host does not exist when still fsockopen, resulting in the crash occupied the server CPU (2) added response 401 of the judgment and support. (3) Added support for JSON return text. (4) Log generation, if Debug_level is set and true, logs are made for each remote download. (5) Get the qualified datalimit of the byte, save the server resourc

, decimal number) must be entered)(8) digits: true must be an integer.(9) creditcard: a valid credit card number must be entered.(10) must to: "# field" the input value must be the same as # field(11) accept: enter a string with a valid suffix (the suffix of the uploaded file)(12) maxlength: A string with a maximum length of 5 characters)(13) minlength: 10 string with a minimum input length of 10 (one character for Chinese characters)(14) rangelength: