public String save (@ RequestBody @ Valid Stad stad) there is no problem when there is only an object. Now, when saving the object, there is still a file to upload at the same time. because the object encapsulates json in the data, can I convert the...
similar to the online editor of the network flowchart, it needs to provide editing, saving and other functions and prompt accordingly, for example, after making data changes, you need to have unsaved * prompts in editors such as word. I would like to ask...
requirements: click the edit button, and an edit box appears. The effect is as shown in . js code: $pageeditor_editor is the edit button $pageeditor_editor.click(function(event){ $editable_click = $( body ).find($(this).attr( data-obj...
1. Process: Python looks up the data in the table through cx_Oracle and inserts the data into another table. 2. The type of date and time stored in both tables is of type Date. 3. The time field I took from the query table prints out that the type i...
Why does java rewrite hashCode? when rewriting equals I think there are two points to pay attention to: whether hashCode rewriting depends on the business. Open developers can rewrite this method. This may be the case. For example, if we compare onl...