I just love working in Vim and cannot even think of switching to a new editor. If you are also a Vim lover and you use Golang, you must read this post to make sure you have the right setup.…
This post is a collection of most common and helpful openssl commands which we need to use to deal with tasks like generating keys, CSRs, certificates. # Verify or check content Verify a certificate file Verify a CSR request Verify a private…
When we’re building a web application there’s some shared functionality that we want to run for many (or even all) HTTP requests. We might want to log every request, gzip every response, or authenticate request before doing any processing. There…
One main advantage of the Apache Spark is, it splits data into multiple partitions and executes operations on all partitions of data in parallel which allows us to complete the job faster.While working with partition data we often need to increase or decrease the partitions based on data distribution. Methods repartition and coalesce helps us to repartition.
Introduction String Interpolation refers to substitution of defined variables or expressions in a given String with respected values. String Interpolation allows users to embed variable references directly in processed string literals. Here’s an example: And, here’s an example which does not uses any…