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...
when using MySQL, such as connecting to MySQL, with Django, a new field is added to model. As long as you do migration, on the command line, this field will be added to all previous records, but how to do it in MongoDB? Nodejs as a backend, does it have...
topic description Why does the first gender print out null sources of topics and their own ideas I ve tried val gender: String = "male " , but the results don t seem to be right. related codes constructor zhu null derived constructor zhu zz...
use GuzzleHttp to send a post request, and the returned data is 404 , resulting in a link status of 404 ; . then laravel will report back in the form of an error. How to make him not report an error? Code: $response = $http->post($url, ...
The following configuration is used in prettier, but there is still no automatic formatting code before submission? It s not clear what went wrong. ...
want to cancel electron this picture is implemented by html . ...