我正在使用模板包生成一些源代码(有更好的方法吗?)和部分测试我需要检查输出是否与预期的源代码匹配.
我试图解析两个来源的ast(见下文),但即使代码基本相同,除了新的行/空格,ast也不匹配.(失败)
包主
import (
"fmt"
"go/parser"
"go/token"
"reflect"
)
func main() {
stub1 := `package main
func myfunc(s string) error {
return nil
}`
stub2 := `package main
func myfunc(s string) error {
return nil
}`
fset := token.NewFileSet()
r1, err := parser.ParseFile(fset, "", stub1, parser.AllErrors)
if err != nil {
panic(err)
}
fset = token.NewFileSet()
r2, err := parser.ParseFile(fset, "", stub2, parser.AllErrors)
if err != nil {
panic(err)
}
if !reflect.DeepEqual(r1, r2) { …Run Code Online (Sandbox Code Playgroud)我无法解码下面的json代码...任何想法为什么它不起作用?另见play.golang
package main
import (
"encoding/json"
)
type LocationReadable struct {
District string
City string
State string
}
type Locale struct {
Location string
CountryCode string
CurrencyId string
CurrencySymbol string
LocationReadable LocationReadable
}
type Media struct {
Image string
Video string
}
type Variations struct {
FixedPrice float64
Media Media
Quantity int
}
type PaymentData struct {
PaymentName string
PaymentService string
}
type Payment struct {
Online PaymentData
Offline PaymentData
}
type Shipping struct {
ShippingService string
ShippingName string …Run Code Online (Sandbox Code Playgroud) 我有一个函数如下所示,它解码一些json数据并将其作为接口返回
package search
func SearchItemsByUser(r *http.Request) interface{} {
type results struct {
Hits hits
NbHits int
NbPages int
HitsPerPage int
ProcessingTimeMS int
Query string
Params string
}
var Result results
er := json.Unmarshal(body, &Result)
if er != nil {
fmt.Println("error:", er)
}
return Result
}
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我正在尝试访问数据字段(例如Params)但由于某些原因它说接口没有这样的字段.知道为什么吗?
func test(w http.ResponseWriter, r *http.Request) {
result := search.SearchItemsByUser(r)
fmt.Fprintf(w, "%s", result.Params)
Run Code Online (Sandbox Code Playgroud) 有没有办法在没有JavaScript的情况下获得对DOM和/或WebAPI(即全屏API)的读/写访问权限?
我正在尝试用C构建一个基本的应用程序(C源实际上是从GC语言转换的结果).我正在构建的应用程序将作为桌面应用程序运行(它不打算在"真正的"浏览器中运行)所以我可以根据需要调整环境(即布局引擎).
我正在尝试使用git智能协议通过http从github.com/git/git获取标记"v2.4.2"的注释.
//获取参考
curl -H "User-Agent: git/1.8.1" -v https://github.com/git/git/info/refs?service=git-upload-pack
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返回refs:
.....
003e2be062dfcfd1fd4aca132ec02a40b56f63776202 refs/tags/v2.4.1
0041aaa7e0d7f8f003c0c8ab34f959083f6d191d44ca refs/tags/v2.4.1^{}
003e29932f3915935d773dc8d52c292cadd81c81071d refs/tags/v2.4.2
00419eabf5b536662000f79978c4d1b6e4eff5c8d785 refs/tags/v2.4.2^{}
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//发出上传包请求
printf "0031want 00419eabf5b536662000f79978c4d1b6e4eff5c8d785\n0024have 003e2be062dfcfd1fd4aca132ec02a40b56f63776202\n0000" | curl -H "User-Agent: git/1.8.1" -v -d @- https://github.com/git/git/git-upload-pack -H "Content-Type: application/x-git-upload-pack-request" --trace-ascii /dev/stdout
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这什么都不返回.我想知道请求中有什么问题(即我错误地计算了十六进制?)
Warning: --trace-ascii overrides an earlier trace/verbose option
== Info: Hostname was NOT found in DNS cache
== Info: Trying 192.30.252.130...
== Info: Connected to github.com (192.30.252.130) port 443 (#0)
== Info: TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
== Info: Server certificate: github.com
== …Run Code Online (Sandbox Code Playgroud) 所以我在Go中为我的电梯制作服务器,并且我正在运行函数"handler"作为带有TCP连接的goroutine.我希望它从连接中读取,如果在某个时间跨度内没有检测到信号,我希望它返回错误.
func handler(conn net.Conn){
conn.SetReadTimeout(5e9)
for{
data := make([]byte, 512)
_,err := conn.Read(data)
}
}
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只要我有一个客户端通过连接发送东西它似乎工作正常,但一旦客户端停止发送net.Read函数返回错误EOF并开始循环没有任何延迟.
这可能是Read应该如何工作,但是有人可以建议另一种方法来处理问题,而不必每次我想读取东西时都关闭并打开连接吗?
我在看的oauth2规格,我迷茫unauthorized_client和access_denied错误代码。它们似乎表达了相同的错误条件,不是吗?乍一看(通过错误代码),我认为一个是身份验证失败,另一个是授权失败,但它们实际上都是关于授权失败,这将转换为 http 403 状态代码。
unauthorized_client
The client is not authorized to request an access token
using this method.
access_denied
The resource owner or authorization server denied the
request.
Run Code Online (Sandbox Code Playgroud) 我正在尝试在postgresql上进行简单的更新查询.我没有真正理解错误,因为没有布尔值或列类型.这是日志:
cat=> UPDATE categories SET epekcategoryid='27af8b1e-c0c9-4084-8304-256b2ae0c8b2' and epekparentcategoryid='root' WHERE categoryId='281' and siteid='0' and categoryparentid='-1'; ERROR: invalid input syntax for type boolean: "27af8b1e-c0c9-4084-8304-256b2ae0c8b2" LINE 1: UPDATE categories SET epekcategoryid='27af8b1e-c0c9-4084-830...
表配置:
cat=> \d categories;
Table "public.categories"
Column | Type | Modifiers
----------------------+-----------------------+-----------
categoryid | character varying(32) |
categoryname | text |
siteid | integer |
categoryparentid | character varying(32) |
status | integer | default 0
epekcategoryid | text |
epekparentcategoryid | text |
categorylevel | character varying(37) |
categoryidpath | character …