Admission Controllers Admission controllers provide a mechanism to validate or modify Kubernetes object creation requests before the object is actually created. This definition might not make complete sense right now but we will be able to understand what this means as the tutorial progresses, so don’t worry …

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What are WebSockets and what are their advantages over traditional HTTP? HTTP is simply a request response protocol. This means a client such as a web browser sends a request and the server works on this request and sends a response. This request and response uses a TCP connection underneath. Once the response is …

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Why migrate to Hugo? Why migrate golangbot.com from Ghost to Hugo is the first question that will pop in your mind when you read this post. golangbot.com is 6 years old and it has been powered by Ghost since its inception. Ghost has stood the test of time and it has served me well. Why migrate to Hugo then? Well I have …

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What is a context? Context is a package in the standard library which is mainly used to propagate cancellation signals from one function to another or even from micro service to another. Let’s consider the example of a user sending a get request to a web server to download 50 images, zip it and send the zipped …

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Welcome to tutorial no. 32 in our Golang tutorial series. In this tutorial we will learn about error wrapping in Go and why do we even need error wrapping. Let’s get started. What is error wrapping? Error wrapping is the process of encapsulating one error into another. Let’s say we have a web server which …

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Welcome to tutorial no. 3 in our MySQL tutorial series. In the previous tutorial, we discussed creating a table and inserting rows into the table. In this tutorial, we will learn how to select a single row as well as multiple rows from a table. MySQL Series Index Connecting to MySQL and creating a Database Creating a …

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Welcome to tutorial no. 2 in our MySQL tutorial series. In the first tutorial, we discussed how to connect to MySQL and create a database. In this tutorial, we will learn how to create a table and insert records into that table. MySQL Series Index Connecting to MySQL and creating a Database Creating a Table and …

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Welcome to tutorial no. 1 in our MySQL tutorial series. In this tutorial, we will connect to MySQL and create a database. We will also ping the DB to ensure that the connection is established properly. MySQL Series Index Connecting to MySQL and creating a Database Creating a Table and Inserting Rows Selecting single …

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Welcome to tutorial no. 2 of our WebAssembly tutorial series. Series Index Introduction to WebAssembly Using Go Accessing DOM from Go using Javascript In the first tutorial of this tutorial series, we created and exposed a function from Go and called it using JavaScript. I highly recommend reading the first part first …

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Welcome to tutorial no. 1 of our WebAssembly tutorial series. Series Index Introduction to WebAssembly Using Go DOM Access and Error Handling What is WebAssembly? JavaScript has been the only programming language that the browser understands. JavaScript has stood the test of time and it has been able to deliver the …

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