Hi There's a source (camera) which sends notifications (motion alarms) to port 8085 of a server I've subscribed its IP for it. Maybe in such a negotiation I can't call it 'server', but it's our server which serves some other things. I've written two programs for receiving and echoing current...

C++

Linux

camera

sockets

Anyone knows about golang

3 Feb 2015 by Sergey Alexandrovich Kryukov

Sorry, this is off-topic. We do not provide the search of developers, we only ask technical/scientific questions. If you have one you are very welcome to ask.—SA

API key problem for gmaps

4 Aug 2017 by Govardhanudu Gajula

For google maps i created on API after 2 day this error is coming the google maps api server rejected your request. the provided api key is expired please give the solution for permanent API key Thanks in advance What I have tried: i create key in below link Google Maps Embed API | ...

API key problem for gmaps

4 Aug 2017 by Richard MacCutchan

This is not the place to get an answer to such a question. This is obviously a problem for Google to fix, and that is the place to go for help.

API key problem for gmaps

4 Aug 2017 by RickZeeland

See the answer here: The Google Maps API server rejected your request. This IP, Site or mobile application is not authroised to use this API key - Stack Overflow[^]

Building Auth Endpoint with Go and AWS Lambda

3 Aug 2022 by Bohdan Stupak

This article describes a super-minimalistic auth endpoint based on AWS Lambda.

Building IoT devices: from Maker prototypes to Custom PCB manufacturing

6 Dec 2017 by Scott Tattersall

Building a custom-designed PCB for an Internet of Things (IoT), “connected” device from scratch

CPM - A C/C++ Package Manager

27 Nov 2021 by Mircea Neacsu

Effective management tool for multiple libraries

C++

JSON

Create a Content Security Policy (CSP) in Hugo

21 Nov 2019 by Jeremy Likness

A Content Security Policy (CSP) helps prevent a variety of attacks on your site. This article describes how to implement one for a static website when you don't control the headers.

HTML

Javascript

CSP

Create an Article Preview in Hugo

21 Nov 2019 by Jeremy Likness

Generate a thumbnail for your Hugo posts on the fly, then create a custom short code that uses thumbnails and page data like title and description to embed a post preview to interlink documents.

HTML

website

Creating A Window In Go Language

1 Dec 2015 by Farhad Reza

This tip describes how we can create a simple window in Go programming language using Win32 API functions.

Windows

Win32

ESB - Logging and Monitoring

12 Feb 2018 by Lars Paisley

A simple approach to documenting ESB transactions and transformations

ESB - Routing

1 Aug 2018 by Lars Paisley

A discussion of routing principles in ESBs

Excelize - Library to Write to and Read from XLSX Files

29 Dec 2019 by Ri Xu

Golang library for reading and writing Microsoft Excel™ (XLSX) files.

Exploring Go as a C-Family Developer

28 Nov 2018 by Afzaal Ahmad Zeeshan

Go language and discuss of it as a C-family developer

Go for Big Data

19 Apr 2017 by Intel

With Intel DAAL, cgo, and SWIG we were able to integrate optimized Cholesky decomposition right in our Go programs.

Go's sort.reverse function returns a pointer?

22 Feb 2017 by SirWernich

i'm currently learning go and i'm at interfaces point in the course now. the sort package seems to be a good thing to learn about, not just because you can sort stuff, but also because the "Interface" interface is needed to do some of the work.(tl;dr: read the next paragraph, check the...

Golang waitgroup doesn't synchronize

16 Mar 2023 by Member 15953349

This abstract code will display "true" in a loop as long as channel receives new messages. package main import ( "fmt" "sync" ) var a = make(chan bool) var wg sync.WaitGroup func main() { wg.Add(1) go test() for i := 0; i

Golang

Golang: Pointers – Detailed Overview

21 Apr 2019 by setevoy4

What pointers are? Pointers examples in Golang. * and & operators. Pointer as an argument to a function. Functions - arguments by value and by reference.

Linux

memory

Gos: Armed Golang

21 May 2019 by storyicon

gos is compatible with all go commands and has go mod/get equipped with smart GOPROXY, it automatically distinguishes between private and public repositories and uses GOPROXY to download your lost package when appropriate.

GRBAC

4 Jul 2019 by storyicon

grbac is a fast, elegant and concise RBAC (role-based access control) framework

YAML

combination

JSON

Hash Code Generatrix et the Frequency Domain

1 Feb 2021 by jfriedman

When you need a janky [unsafe] way to generate communitive hash codes

Have problem with Google ads

20 Jan 2024 by OriginalGriff

Talk to Google: it's their software, their ads - and they don't get paid until people can see the ads on your site. If nothing else, they can point you at the official doc8umentation which will explain how to use them.

Google

Linux

Have problem with Google ads

20 Jan 2024 by angry whopper

you guys have any issue with building dashboard for company using google ads API? i have somehow cannot connect the dots between those the dashboard and the API What I have tried: actually i only adding the API

Google

Linux

Help reducing cognitive complexity of my go code

4 May 2022 by nocnoc

I ran my code through SonarQube and it suggested me to reduce my code's cognitive complexity. I make use of quite a few nested loops, but I have tried to reduce it to the best of my abilities and would appreciate some suggestions. According to...

algorithm

Hi I am new to coding please tell e what is wrong with my code.

25 May 2021 by vishsword

package main func NbMonths(startPriceOld, startPriceNew, savingperMonth int, percentLossByMonth float64) [2]int { spo := startPriceOld spn := startPriceNew sm := savingperMonth pl := percentLossByMonth x := 100 c := 0.0 diff := spn - sv...

Hi I am new to coding please tell e what is wrong with my code.

25 May 2021 by k5054

There's a number of issues here: Firstly you have if ( c % 2 !==0 ), which probably wants to be if ( c %2 != 0 ). But even correcting that and pushing your code through the Go Playground The Go Playground[^] we get a number of errors: ...

Hi I am new to coding please tell e what is wrong with my code.

25 May 2021 by OriginalGriff

Go has two basic assignment operators "=" and ":=". The first is a straight assignment, which requires that the variable on the left hand side already exists. The second declares the variable, and gives it a value. If you use the first form...

How do I copy a file without overwriting an existing file in go?

6 Oct 2021 by OriginalGriff

This is the same question you asked two hours ago: How do I copy a file without overwriting an existing file in golang?[^] The answer does not change in that time, no matter how much you want it to.

How do I copy a file without overwriting an existing file in golang?

6 Oct 2021 by sreeja reddy

I have the below code that copies a text file from a directory to another with overwriting the file if exists What I'm looking for is to copy the file to the destination directory without overwriting, but keep both files. As in Windows for...

How do I copy a file without overwriting an existing file in golang?

6 Oct 2021 by OriginalGriff

Windows itself does this checking for you when you copy'n'paste or drag'n'drop files then if it finds a duplicate if uses a new file name, but your code is expected to know what it is doing, and no such checks are made. If you want to do that,...

How do I link gtk with go

3 Feb 2015 by Cesar Bretana Gonzalez

Hi everyone, due to my previous question to see if there is some golang developer on this network, here is a new one, How can I link gtk with go?, i did download the go-gtk library from github, and followed the readme.md, but didn't work to me, if anyone did this before, please, i need some...

How do I test my websocket server in go?

8 Apr 2019 by Member 14050287

type Websocket struct { upgrader *websocket.Upgrader CmdProxy proxy.CmdProxy connections map[uint64]map[*websocket.Conn]bool init sync.Once lock sync.Mutex } func (w *Websocket) Upgrade(thingId uint64, wr http.ResponseWriter, r *http.Request) error { w.init.Do(func() { w.connections...

How do I translate this sample written in go code to C code ?

2 May 2019 by reBertran

Currently translating weighted DAG to C code which is written in Go language and topologically sorted. Actually I missed a couple part of the code that is the code below sample. In topoSort function, I couldn't get what "visit" declaration is. Is it function declaration within another function ?...

How do I translate this sample written in go code to C code ?

2 May 2019 by Christian Graus

There's no array slice in C. You'd have to create a new array. Visit - The Go Programming Language[^][^] The source code for the visit function is here, so I assume you can work out what it does from here

How do I verify JWT token recieving from supabase in golang and how to use the data recieving from JWT token in golang ?

7 Dec 2022 by p-shubh

i will be revieving a jwt token from the supabase which is an alternative of firebase and i have to verify it and store its information in a datbase and more over i am unable to connect the supabase to my back-end as i am using golang language...

JWT

How do I verify JWT token recieving from supabase in golang and how to use the data recieving from JWT token in golang ?

7 Dec 2022 by Graeme_Grant

I'm not familiar with GO as a language, so I did a quick Google Search: read jwt go - Google Search[^] and can see a number of solutions. Pick one that suits your needs.

JWT

How do one choose a suitable programming language?

27 Aug 2017 by Member 13380432

Hi, I'm new to coding and want to ask how do you choose a programming language for a project? What are the choosing based on? Most answer I found says it's based on what I need. But I don't know what I need. I just know what I want to build. Let say I want to build an E-commerce website and...

How do one choose a suitable programming language?

27 Aug 2017 by Richard MacCutchan

For such a website you need ASP.NET which means you need to learn the following to start with: HTML Css Javascript C# or VB.NET You can find samples and tutorials here on CodeProject at Web Development[^] and at the official ASP.NET | The ASP.NET Site[^].

How do one choose a suitable programming language?

27 Aug 2017 by Patrice T

Quote: Let say I want to build an E-commerce website and mobile web Get started here for web site W3Schools Online Web Tutorials[^]

How do one choose a suitable programming language?

27 Aug 2017 by RickZeeland

This might be of interest to you too: [Top 10 Programming Languages in 2017] It is a bit superficial, but gives a good overview. Also interesting: Stack Overflow Developer Survey 2017[^] 'Most popular' does not mean that these are the best languages for you, although the GO language is listed...

How to correct this error?

17 Nov 2022 by Member 15806825

PS C:\Users\dddd\go\src\Hdddd> go run main.go *******browse Handler running******* 2022/11/14 14:01:44 http: panic serving 127.0.0.1:65343: runtime error: invalid memory address or nil pointer dereference goroutine 26 [running]:...

How to give the file with complete path?

6 Jun 2021 by ibilalkayy

func Uploadfile(filename, filepath string) { data, err := ioutil.ReadFile(filename) if err != nil { log.Fatal(err) os.Exit(0) } bucket, err := gridfs.NewBucket( CNX.Database("VWS"), ) if err != nil...

MongoDB

How to give the file with complete path?

6 Jun 2021 by Richard MacCutchan

Quote: Although the path is correct. The error message is clearly telling you that the path is not correct. I suspect there should be a forward slash at the beginning: "/home/bilal/Videos".

MongoDB

How to Import and Export Excel XLSX in Go Language

30 Dec 2019 by Ri Xu

This post shows you how to import and export Excel XLSX in Go language.

How to load json result in javascript

1 Feb 2023 by Member 14760154

I am a new developer , i have a problem about load json result in javascript i have a javascript function to fetch data from API and it was successfull the result is like this { "metadata": { "code": 200, "message":...

Javascript

jQuery

JSON

How to load json result in javascript

1 Feb 2023 by OriginalGriff

Look at the JSON data: response isn't an array, Data is. Have a look here: Working with JSON - Learn web development | MDN[^]

Javascript

jQuery

JSON

How to make other pages show up?

30 Jul 2021 by ibilalkayy

base.html {{define "base"}} {{template "title" .}} Home {{if .Loggedin}} ...

How to make the conditional statement in an HTML file using golang?

11 Dec 2021 by ibilalkayy

controllers.go type List struct { ProductsList []string Description string Link []string Success bool Failure bool } func Home(w http.ResponseWriter, r *http.Request) error { if r.URL.Path != "/" { fmt.Fprintln(w,...

How to output golang http json body to website page using HTML/javascript/jquery?

3 Apr 2017 by WishfulCoder

I've got a Golang Website where I want to display 'scores' from my UWP Game using SQLite's Mobile App Quickstart's API called SwaggerUI. I am getting the scores by doing a HTTP GET request. The problem is that the scores output to the Golang console in JSON Format. I want to display the scores...

HTML

Javascript

jQuery

How to parse the HTML file in golang using an index?

20 Nov 2021 by ibilalkayy

func Home(w http.ResponseWriter, r *http.Request) { if r.URL.Path != "/" { fmt.Fprintln(w, "404 page not found") return } for i := 0; i

How to reduce this code in go

23 Oct 2022 by Member 15806825

write a golang code for the problem: Suppliers 'A' and 'B' provided the following numbers of products for the luxury hamper market: >Product 'A' 'B' Price Per Unit BelugaCaviar 5248 640 128 ChristmasCake 1312 1888 135 GammonJoint 2624...

How to reduce this code in go

22 Oct 2022 by OriginalGriff

While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for...

How to resolve the lambda unhandled error?

22 Feb 2023 by Member 15806825

{ "data": null, "errors": [ { "path": [ "createoff" ], "data": null, "errorType": "Lambda:Unhandled", "errorInfo": null, "locations": [ { "line": 2, "column": 3, ...

How to show multiple options in one page of golang?

15 Dec 2021 by ibilalkayy

type List struct { Success bool } func Home(w http.ResponseWriter, r *http.Request) error { if r.URL.Path != "/" { return PageError(w, r) } var user List user = List{ Success: true, } if r.Method == "GET" { return...

How to solve the boolean problem in golang?

21 Jan 2022 by ibilalkayy

db.go func Findaccount(myEmail, myPassword string) bool { collection := Connect.Database("webApp3").Collection("data") collection.FindOne(context.TODO(), bson.M{"email": myEmail}).Decode(&Account) err :=...

How to solve the boolean problem in golang?

21 Jan 2022 by joshun

return (err == nil) How about this?

How to Write Good Code

22 Nov 2015 by Marc Clifton

Each function should answer "how-what-why."

How Utilizing Lazy Evaluation and Caching can Save Us from Wasteful Computation

30 May 2022 by Bohdan Stupak

This article shows how utilizing lazy evaluation and caching can save us from wasteful computation

Dev

performance

I am getting “expected 'STRING' , found type 'go” error while writing following program

6 May 2021 by Azeez Khan

package data import "fmt" type Product struct{ ID int `json:"id"` Name string `json:"name"` Description string `json:"description"` Price float32 `json:"price"` SKU string `json:"sku"` ...

Visual-Studio