attach a log 14 Console 55 0x002A0027 0x0006354A 0x11111100 0x00000000 15.582676 + 0800 default [0x7fc4989de600] Created session 14 Created session 55 Console 15.582917 + 0800 Console default [0x7fc4989de600] Decoding: C0 0x002A0027 0x0006354A 0x1111...
package main import ( "github.com tealeg xlsx" ) func main() { file, err := xlsx.OpenFile(". Workbook.xlsx") if err != nil { panic(err) } first := file.Sheets[0] row := first.AddRow() ro...
error signal SIGSEGV: segmentation violation code=0x1 addr=0x38 pc=0x11fd947 package main import ( "database sql" "fmt" "log" _ "github.com go-sql-driver mysql" "github.com tealeg xlsx&q...
the program code snippet looks like this: maxPage := *flagMaxPage if maxPage > 0 { jobs := make(chan int, maxPage) results := make(chan []map[string]string, maxPage) 10jobsresults for w := 1...
download: csv func doDown() { csvName := downDir + time.Now().Format("2006-01-02") + ".csv" file, _ := os.OpenFile(csvName, os.O_WRONLY|os.O_CREATE, os.ModePerm) w := csv.NewWriter(file) file.WriteString(&qu...
when writing code with goland, how to quickly complete the return value of the method? Baidu can t reach Baidu for a long time. ask which god to answer . want to achieve the following effect: after typing a method, quickly complete the return value o...
the separation of front and rear ends is not mentioned in the go web programming book, and beginners are confused in learning. I use fmt.Fprint to write json data to the page. How to call the interface at the front end, I return the json data instead of ...
whether Golang can achieve buffer output similar to PHP I am now using beego for Web development, and I want to achieve a similar function: The page prints numbers from 1 to 10000000, operates using a loop, and then outputs the current number each t...
as shown in the figure, the this.Ctx.Input.Param ( ": pag ") in the beego framework clearly returns string, but why does the error prompt say int? add: Thank you for answering, because this is often written in js and php, and I don t think ther...
use the goalng "github.com Shopify sarama " library I now have two consumers, and the two topic,kafka partitions are set to 50, but in the actual operation, only one consumer is consuming, closing the consumers who can currently consume, and the othe...
middle := r.Group("", func(context *gin.Context) { requestMethod := context.Request.Method token := "" fmt.Println("request method===========>", requestMethod) if requestMethod == "GET...
problem description use the redisgo command: redis.NewScript (keyCount, LuaSrcript) .Do (conn, args.) but what is returned is [] interface {} how to convert a two-dimensional array? related codes luaScript: = "local rst= {}; for I in pairs (KEY...
problem description just used gorm for query but encountered some problems. I want to do some mixed query of and and or, but db.Where in gorm is an and query, but if you add .Or () to query, all the conditions will become or. Ask for help from the bos...
uses pongo2 template engine and django template syntax is similar the start_time in the database is the UTC time, for example: 2017-12-05T02:41:19Z The service converts all the key-value pair data into json, and then passes them to the template e...
I feel that pointers are not needed at all in this place. Why do I see many related examples using pointers? There is some doubt package main import ( "fmt" "net http" ) type MyMux struct { } func (p *MyMux) ServeHTTP(w...
when learning go pointers, we think that the pointer variable stores the value of the memory address, and the * operator can get the stored value of the memory . then when you join the pointer to the array ( array pointer ), you find that you can manip...
< H1 > question < H1 > Message user is like this message User { int32 uid = 1; string username = 2; string password = 3; } The go code generated by looks like this: type User struct { Uid int32 `protobuf:"va...
S = key + url_encode(path) + T SIGN = md5(S).to_lower()to_lower ; When developing the API interface, if you take into account the security of the interface and the non-serialization of the parameters, the usual practice is to send the sign value of th...
go communicates with php as a server. The server code is as follows: s.go package main import ( "hello world" "fmt" "git.apache.org thrift.git lib go thrift" ) const ( NetworkAddr = "0.0.0.0:10086&...
the same resource can sometimes be downloaded and sometimes cannot be downloaded. (currently, it is found that the current), key is uploaded and stored in our mysql table. When I download it, I take the key, from the table and splice the download link....
problem description to develop an app, except for login and registration, the internal content is all embedded official account H5 pages, which behaves normally on the web side, but when used in mixed app, there is always a delay in clicking on the fo...
for fields, there is no difference except for storage location, life cycle, and initialization. Since the type of local variable can be inferred, the field should also be inferred. ...
as shown in the figure, when the form is defined and clicked on submit, how to quickly get all the name value similar to jQuery serialize, can not define the name value one by one, and then send the request after the object is stitched together? ...
when antd tree sets defaultExpandAll to true, it expands by default the first time it is initialized. When the tree is collapsed, the window is closed and the window is opened again, the tree remains collapsed. Then I use expandedKeys to control the nod...
similar to control + enter in Androidstudio ...