previously made a drop-down menu to connect to the database, but if you want to make a double associated drop-down, select the button, and then grab data from the database, but there has been no way, the database is as follows: < table > < thead > < tr...
as shown in the figure, you need to achieve the following functions. You can click on different specifications of temperature sweetness. Dynamically add the class "jiase " to the clicked grid the approximate code is as follows. The rest is not clear ...
https: github.com thymeleaf . I use jpa, to cascade the two classes through annotations. in the html page, when you get the object of any class through the thymeleaf tag, it will appear . java.lang.StackOverflowError: null at sun.reflect.misc.Refl...
when webapp steps back to the background, you want to use polling to simulate push. The value in setInterval has been changed to the value in store, but the latest value cannot be obtained in the next timer. What is the reason ...
now you need to convert html to AST, with babel. How to do this? ...
is to group the same attribute values and add different styles ...