Parsing JSON concurrently - panic of runtime error (decoding related)

Parsing JSON concurrently - panic of runtime error (decoding related)

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Parsing JSON concurrently - panic of runtime error (decoding related)
Tag : json , By : Roel van Dijk
Date : January 12 2021, 09:11 PM

will help you
Package bufio
import "bufio"
func (s *Scanner) Bytes() []byte

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panic: runtime error: index out of range in Go

Tag : go , By : user150744
Date : March 29 2020, 07:55 AM
seems to work fine If the user does not provide any input, the inp array is empty. This means that even the index 0 is out of range, i.e. inp[0] can't be accessed.
You can check the length of inp with len(inp) before checking inp[0] == "add". Something like this might do:
if len(inp) == 0 {
    fmt.Println("you didn't type add")
} else if inp[0] == "add" {
    fmt.Println("you typed add")

Download Log Files from AWS S3 panic: runtime error:

Tag : amazon-web-services , By : Steve Jones
Date : March 29 2020, 07:55 AM
To fix this issue You're passing nil to s3manager.NewDownloader where it requires a Session
sess := session.New()
manager := s3manager.NewDownloader(sess)

Panic: runtime error: index out of range

Tag : go , By : Joshua Johnson
Date : March 29 2020, 07:55 AM
this one helps. [...]int{1,2,3} is not a slice. It is an array of capacity 3.
See "golang-101-hacks: Array"
package main

import "fmt"

func main() {
    s := [...]int{1, 2, 3}
    t := rev(s[:])

func rev(input []int) []int {
    var j int
    l := len(input) - 1
    for i := 0; i <= l; i++ {
        j = input[l-i]
        input = append(input, j)
    return input
[1 2 3]
[1 2 3 3 2 1]
var j int
var res []int
l := len(input) - 1
for i := 0; i <= l; i++ {
    j = input[l-i]
    res = append(res, j)
return res
[1 2 3]
[3 2 1]

Error serializing JSON parsing - Decoding

Tag : ios , By : user181945
Date : March 29 2020, 07:55 AM
I hope this helps . I'm having problems using swift 4 to decode and parse this JSON file data. I don't know how to structure my structs at the bottom of the code, so that they can cycle through my data of array dictionaries. ie. data[0], data[1], data[2] and so on. This is the error I encounter: , Problem I am seeing in your response is
data: []
    _id: 100284,
    poster: "urlstring",
    title: "Happy!"
let show =  try
            JSONDecoder().decode(RecentTvList.self, from: data)
let show =  try
            JSONDecoder().decode(RecentTvListData.self, from: data)

panic: runtime error: index out of range 1

Tag : go , By : Suresh S
Date : March 29 2020, 07:55 AM
I wish did fix the issue. i can not figure out this problem ,anyone can help? , finally i figure this out XD!
type obj struct {
    Targets []string  `json:"targets"`
    Labels  map[string]string `json:"labels"`

func main() {
    // Creating simulation
    var myobj = []*obj{}
    n := new(obj)
    n.Targets = append(n.Targets, "")
    n.Labels = make(map[string]string)
    n.Labels["job"] = "db2"
    myobj = append(myobj, n)
    k := new(obj)
    k.Targets = append(k.Targets, "")
    k.Targets = append(k.Targets, "")
    k.Labels = make(map[string]string)
    k.Labels["job"] = "mysql"
    myobj = append(myobj, k)
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