Golang colly module can be used to scrape web pages and retrieve useful information based on the HTML tags. In this tutorial, we will learn how to scrape Amazon product data using Golang. Usecase If you are building a system around Amazon products, or let’s say you want to track the pricing changes of a …
Google developed Golang or Go in 2009. It’s a comprehensive object-oriented coding language that brings programmers the best from well-known programming languages such as Python and C++. Go perfectly combines Python’s readability with C++’s efficiency, which makes it a perfect solution for developing software products and websites. Modern-day developers and programmers utilize the Golang coding …
Debugging is an indispensable tool for any developer. It gives us a way to analyze the code as in when it is processing the data. Us being a commander of the whole process, can suspend the flow and analyze the data realizing what the code is doing. All the currently available languages provide some sort …
We can use Golang “bufio” package along with the “os” package to read the contents of a file line by line. The process to read a text file line by line include the following steps: Use os.open() function to open the file. Use bufio.NewScanner() function to create the file scanner. Use bufio.ScanLines() function with the …
We can define a variable outside the function, these are called Golang Global Variables. These variables can be accessed by any function in the package. Golang Global Variables Example Let’s have a look at a simple example of global variable in Golang. When you execute the above code, the output will be: Global Variables are …
Since its creation, Golang has been gaining popularity amongst programmers. Many developers and teams are moving to Golang from other languages like Python, Ruby, and Node. There are numerous reasons for moving to https://go.dev/: Resource optimization Concurrency Efficiency High Speed Scalability The most common reasons developers love the language are the high speed it provides …
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Source codes are indispensable. Therefore, version control systems are an equally significant asset. Version control systems are essential for software teams because of the secure management features they provide. Of all the version control systems out there, Git is, without a doubt, the most popular option. In fact, it has practically turned into the default …
Today, we will be discussing content delivery networks (CDNs). A CDN is a distributed network of edge servers that facilitates the delivery of web content to users across the globe. Traditionally, most companies rely on a single origin server and scale it horizontally to support their user base. Such structures can cause additional packet losses, …
Most of the things around us are done through coding: software for designers, robots in factories, engineering calculations and design, and so on. In the modern world, this area has become an integral part of work, education, and recreation. In 2021, it is very important to know at least a few programming languages – this …
There are three easy ways to convert byte array to string in Golang. 1. Byte Array to String using Slice This is the easiest way to convert the byte array to string. We can pass the byte array to the string constructor with slicing. Let’s look at a simple example. Output: String = GOLANG 2. …