problem description A spring mvc project does a very simple process String test = "test " write this string directly to the file without adding any encoding type settings running environment run in win10 tomcat8 idea premise I have set th...
CREATE TABLE test1 ( id int (11) NOT NULL AUTO_INCREMENT, name varchar (20) DEFAULT NULL, code varchar (50) DEFAULT NULL, PRIMARY KEY ( id ), KEY idx_code ( code ) CREATE TABLE test2 ( id int (11) NOT NULL AUTO_INCREMENT, name varc...
original text: Yan Unicode is 4E25 (100111000100101). According to the above table, you can find that 4E25 is within the range of the third line (0000 0800-0000 FFFF),), so strict UTF-8 coding requires three bytes, that is, the format is 1110xxxx 10...
when writing python crawler (python3), the string obtained in the web page is encoded by utf-8: how to convert these utf-8 encodings into intelligible strings? I have thought about using the decode function, but only the bytes type can call the dec...
problem description =? UTF-8?GAMEFORCE member change password Notification? GAMEFORCE member change password Notification? = messages sent with phpmailer always have these extra characters in their headers. the environmental background of the proble...
java development environment: UTF-8 environment: Chinese characters account for 3 bytes, while char type occupies only one byte. Why is the following assignment method correct? (shouldn t it be beyond the scope of char?) char c = ; ...
1. It is normal to insert data in China, and there is no problem with the value obtained, including remote access to Hong Kong. 2. A customer inserts data through this form in the United States and finds that the content of the database is garbled, whic...
you can use the: lineNumber copy or: LN yank command in VIM. how do you copy multiple lines on the command line after vscode uses vscodevim? dislike visual mode. ...
use mpvue to write Mini Program page, jump to the next page how to refresh the current page, or close but come in again to modify the content on the nickname page and not refresh it on this page ...
requirements: similar message queues multiple users fetch numbers from a table at the same time to ensure that each user gets different numbers and then immediately add user_id db.foo.findOneAndUpdate({"user_id":{$exists:false}, {$set:{us...
problem description render () { return ( <div onClick={()=>{alert(1)}}> <div onClick={()=>{alert(2)}}>Hello< div> <NavLinkBar onClick={()=>{alert(3)}} data={navList}> < NavLinkBar> < di...
URL is stored in the text (CSV). You need to test the validity of the URL, parse the IP address and its corresponding physical location, and then append the result to the line of the URL . sample data 1,www.qq.com, 2,www.baidu.com, . . . expected res...