use thinkphp5.1x for api interface development when doing the list query interface: you want to use parameters to control the returned data of the query, roughly as follows null what exactly is my problem and is there a security risk in my wa...
id name relation 1 n1 r1 2 n2 r2 3 n4 r1 4 n5 r1 5 n6 r2 6 n6 r1 the relation relationship of the table is shown above where the relation field indicates the relationship between the cur...
my need is to be able to make a list of private messages and take the last private message record. For example, the structure of the data table: id pid from_userid to_userid content time 10 a b hi 01 21 b a hello 02 3 1 a b hihi 04 40 a c test 09 5...
the business table has too much data to design 4 sub-tables, and then the requirement is to export the full data of the 4 tables. Test machine 4 cores. Start 4 threads to query at the same time, and summarize the final results. if it takes 2s for a ...
there are multiple items under an order. The order object is stored in the form of nested, and an order is a piece of data. order 1-> Commodity A, Commodity B, Commodity C, Commodity D order 2-> Commodity A, Commodity B, Commodity C, Commodity D. or...
could you please tell me the progress of using axios to upload pictures, configure onUploadProgress, and report 302? if you do not configure onUploadProgress, you can upload normally ...
I pass parameters to the background through the ajax foreground and print parameters console with dump in the background. If the console is empty, other print statements will have a value output. Why? dump ...
$validator = Validator::make($request->all(), [ id => required|integer title => required|unique:posts|max:255 , body => required , ]); The requirement is like ...
use springBootTest for unit test. The unit test code is as follows. @ SpringBootTest annotation scans all components, including @ Aspect annotated components. Note 1 is a service and performs database operations @RunWith(SpringJUnit4ClassRunner.cla...
for example, dynamic link libraries (.lib .so files) are not introduced into the program at all when dynamically linked. So why do we need to give the path to the dynamic link library when we compile dynamically? ...