I have a table service_message that contains about 600000 pieces of data, which records when different devices receive messages: SHOW CREATE TABLE service_message CREATE TABLE `service_message` ( `id` INT(11) NOT NULL AUTO_INCREMENT, `device_id` I...
as shown in the question, what is the maximum size of this picture that can be opened? If you exceed this limit, what should you do with this oversized picture? currently this picture is a picture as big as . Now I want to add some text watermarks to ...
tables in the database want to be assigned somewhere else ...
as developers, we hope to provide customers (various enterprises) with multiple sets of templates for official websites. there is no seo requirement, so the front and back end separation architecture is used. at present, the ways I can think of are: ...
1, demand: add ellipsis to some file names that are too long, and a floating layer appears when the mouse moves up, showing the complete text; if the name is short, the floating layer is not displayed when the mouse moves up. 2, the question is how to ...
recently, an interface for reading data has been found to take too long to return in the production environment. Project uses nodejs + mongodb Development dependency: questions such as title: what is the difference between: timed out and so...