for example, when java is in the same request, you can get the information directly in the context of spring without sending the request of the current request. Can be done in gin? The main problem now is that all the places where you want to get the se...
when uploading files using antd upload , the following occurs when sending option advance requests : cors ...
there is a database as follows: < table > < thead > < tr > < th > id < th > < th > pid < th > < th > name < th > < tr > < thead > < tbody > < tr > < td > 1 < td > < td > 0 < td > < td > a < td > < tr > < tr > < td > 2 < td > < td > ...
It took two weeks to finally finish learning the basics of go. I tried to take a look at the standard library yesterday. I can t eat it. I still want to learn it when I use it. want to learn web development , but the foundation of the network is too w...
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A monitor program written in Golang, that is, running on the terminal to continuously output logs. now you need to develop an application on Mac, the function is very simple, a button, a textarea, click button is to start the compiled executable, and t...
the redis, that is working on go today uses redigo redigo. The execution actions are all carried out through Do . Do func (c *conn) Do(cmd string, args ...interface{}) (interface{}, error) he uses variable parameters. I personally want to make impro...
there is nothing to study during the holiday. Consul seems to have only a single software. When I start it, I [root@localhost vagrant_data]-sharp . consul agent -bootstrap-expect 3 -server -data-dir= vagrant_data consul_data -node=cn1 -bind=192.168.10....
the two comments with the most likes attached to each comment are how to achieve the backend and how to ask for a great solution with high efficiency ...
what is the naming convention for golang source files? Is the underscore "_ " to separate multiple word names? Or is it named after multiple words separated by the middle bar "- "? Look forward to reliable textual research sources. ...
[root@host up]-sharp . main [ORM]2018 10 02 01:48:15 register db Ping `default`, Binary was compiled with CGO_ENABLED=0 , go-sqlite3 requires cgo to work. This is a stub must have one register DataBase alias named `default` [root@host up]-sharp ...
I wrote the following code: package main import "fmt" func modify(array [10]int){ array[0] = 10 fmt.Println("In modify(), array values:" , array) } func main() { array := [5]int{1,2,3,4,5} modify(array) fmt.P...
the following code shows that the output in a linux-like operating system is 16 bytes, which is the same as officially, but in a windows environment, the output is 8 bytes? Excuse me, why is this? package main import ( "fmt" "un...
ask a rookie question. Are (file * File) and (b [] byte) both incoming parameters in the following code? what s the difference between them? func (file *File) Write(b []byte) (n int, err error) ...
how to send multidimensional arrays to post requests in go. form-data format is like in php. form := make(map[string][]string) form["name"] = []string{"lisa","danny"} ...
problem description in the actual development of golang, whether the Dial, of grpc needs to be closed or not, it can be done in init () if it does not need to be closed. It is better to keep the connection pool long when the connection is closed frequ...
type W struct { b byte i int32 j int64 } type W2 struct { name string age int32 } var w W var w2 W2 fmt.Println(unsafe.Sizeof(w), unsafe.Sizeof(w2)) for the w variable, I know the memory footprint should be 16, but why is w2 24? A...
the following two sentences, the first sentence can open the browser normally, the second sentence pops up an error dialog box, click OK is useless, can not be closed. The problem is the second sentence, how to not let it pop up the dialog box, but retu...
type A string type B []string func main() { one := "string" two := []string{"string"} var a A var b B b = two a = one cannot use one (type string) as type A in assignment } in the code above, it s easy ...
docker run-d-- name elasticsearch-- restart=always-p 9200 ES_JAVA_OPTS= 9200-p 9300 ES_JAVA_OPTS= "- Xms512m-Xmx512m " elasticsearch:5.6.4 docker run-d-- name jaeger-collector-e SPAN_STORAGE_TYPE=elasticsearch-e ES_SERVER_URLS= ...
I have a few questions about using flink, just now. I would like to ask all of you to help me. flink how to initialize spring context flink how to use scheduled tasks @ codecraft @ Ali Yunqi Community @ Fan Xuan Thank you ...
the following code does not feel reasonable. How to write var items = this.state.items; items[i].status = doing ; this.setState({ items: items }); the environmental background of the problems and what methods you have tried relate...
windows Ubuntu subsystem runs Jekyll, runs without errors http: 127.0.0.1:4000 ...
vue and react use ssr (server-side rendering) to solve seo and first-screen rendering solutions. this extends the problem. 80% of the data after http or other network requests is duplicated, and http caching is also a big problem? how do you solve the...
I m making Mini Program s sharing card. return returns the imageUrl image path in Wechat s api:onShareAppMessage. I use Qiniu to process the image. first use Qiniu s ? imageView2 5 w 430 h 336 q 70 to make the size thumbnail I need, and then use ...