Returning a nil receiver
In this blog, we are going to discuss the impact of returning an interface and why doing so may lead to errors in some conditions. This mistake is probably one of the most widespread in Go because it may be considered counterintuitive, at least before we’ve made it. What is the problem? Let’s consider the…
Bibek PokhrelUsing a filename as a function input
While creating a new function that reads the file, passing the filename as an argument is not considered best practice and might have negative effects such as making it difficult to write test cases for a variety of criteria. Suppose we want to implement a function to count the number of empty lines in a…
Bishow ShresthaIgnoring how defer arguments are evaluated
In order to understand how arguments are processed using the defer keyword, let’s consider a specific example. Suppose we have a function that needs to execute two other functions, called foo and bar. Additionally, this function needs to handle some status information related to its execution. We can use the defer keyword to ensure that…
Bishow Shrestha
Misunderstanding variable scope in JavaScript
In this post, we are going to understand variable scope and difference between var, let and const keywords in javascript. Variable scope is tricky concept for new developers., especially in javascript. Most of beginner developers make common mistake like defining the variable inside the function and expecting it to access outside the function. Understanding var,…
Suresh ThapaUsing index as a key in React (anti-pattern)
What are lists in React ? Lists are used to display data which are similar in ordered format . Often they have same type i.e an array of similar kind of data rendered into a list tag using some version of for loop. How does react render lists? DOM Before we learn how react renders lists…
Bishal Singh
Being confused about nil vs. empty slice
Go developers fairly frequently mix nil and empty slices. In this blog post discusses how they are differ and when to use each one. Slices are one of the most widely used data types in Go. It provides a way for to work with ad manage collections of data, and can be appended to or…
BABULAL TAMANGMixing up concurrency and parallelism
Even after years of concurrent programming, developers may not clearly understand the differences Developers who have been working with concurrent programming for a long time may still not fully grasp the distinctions between concurrency and parallelism. Therefore, before discussing specific topics related to Go programming, it is important to first understand these concepts and establish…
Bibek PokhrelThinking concurrency is always faster
Many developers mistakenly believe that a concurrent solution will always be faster than a sequential one, but this is not always the case. The performance of a solution depends on various factors, such as the efficiency of the concurrency structure, the parts that can be processed in parallel, and the level of contention among the…
Bishow Shrestha
Function in JavaScript
A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a value, but for a procedure to qualify as a function, it should take some input and return an output where there is some obvious relationship between the input and the output. We can separate function in…
Suresh Thapa
Stripe Payment with Golang
In this blog post, I will discussed on the topic of stripe payment integration with Golang. Before that i will give brief introduction about this and move head to simple implementation. It is a famous payment gateway that helps in financial transaction between merchants and customers. It accepts 133+ countries currency. It is a powerful…
BABULAL TAMANG