my website needs an online customer service system, just like JD.com s online customer service. I have been developing for too long. I want to find an open source customization. I hope to store the data in my own database, but I haven t found it for ...
problem description should the user create an order in UserController or OrderController? public void UserController{ } public void OrderController{ } for example, adding users to a group, should it be placed in GroupController or UserCon...
problem description: if the request method private ModelAndView articleList (Map < String, Object > map) adds an access control annotation @ PreAuthorize and uses private , it will report an error: java.lang.NullPointerException: null , where n...
as shown in the picture, it failed to install the nexus service using the installutil command. How to solve this problem? thank you for your generous help ...
Under RT,linux, how to troubleshoot a CPP service with high CPU and memory? Trouble a little bit and hope to give a more detailed answer. At present, all I can think of is gdb, but I m not quite sure how to get gdb. ...
the Nuggets just read two istio articles, https: github.com istio istio I don t understand much. Question: where should the business logic be written when using this micro-service framework? Do you want to write in java? ...
recently do an e-commerce project, the development process wrote that the code has a lot of redundancy, write to this piece of function and found the same as the previous piece of code from writing a code, resulting in code duplication. Ask everyone how ...
see a news article Wechat: APP can open WeChat Mini Programs directly without link sharing , but there are some ambiguities in understanding. as far as I understand it, put a button in APP and click the button to visit WeChat Mini Programs. but do ...
I am thinking about a question: how to downgrade the service? for example, there was an interface before, and an average was determined through the other three interfaces. Hypothetically, it doesn t necessarily make sense. To get the location of the ...
my understanding is to add a folder tmp and then git rm-- cached tmp-r will no longer track this folder but. My gitkraken will still show the changes to this folder (there are several new files in stage status, but after execution, the new files becom...
< H2 > cause of problem < H2 > The height of the page created by is set to 100%, so the outermost scroll bar is not scrollable and is set to overflow:hidden. how the window.onscroll scrolling event should be triggered when scrolling a dom element ins...