etcd is an open source and highly available distributed key-value storage system and is commonly used in critical data storage and service discovery and registration use cases. It is focusing on:Simple: well-defined, user-facing API (gRPC)Secure: automatic TLS with optional client cert authenticationFast: benchmarked 10,000 writes/secReliable: properly distributed using Raftetcd and Redis both support key-value storage and can be set up in distributed systems. Also Redis supporst more key value types. But they are used in different use cases and have different focus areas given below differenc...

Error handling is one of the must talked topics for any programming language. The program would be more reliable and stable if errors are handled properly and timely. Each programming language has its own way to handle error, this applies to GoLang as well. This post will discuss more about GoLang's error handling mechanism.Error handlingBefore talking more about GoLang's error handling, we can see how different programming languages are handling errors.C's error checkThe most direct way of checking error is using error code, and this is also how error is being checked traditionally. In proced...

Note: The post is authorized by original author to republish on our site. Original author is Stefanie Lai who is currently a Spotify engineer and lives in Stockholm, original post is published here.Last week, Go1.16 was released, bringing relatively more changes than version 1.15, which was influenced by the epidemic.The update is in many aspects, including compilation, deployment, standard library, etc. In the official Go document, all changes are classified based on Tools, Runtime, Complier, etc.It is undoubtedly good to dig into all the changes, but sometimes we understa...

Generally, as the best coding platforms, low code includes low code app development, process development solutions and software development tools. IT users utilize low code solutions as a source of the required building blocks for the building of workflows and applications. The building blocks make it easier to assemble apps and workflows without requiring hand-coding. The growth of low-code platforms therefore levels business grounds by reducing the time spent in coding among other benefits. Organizations now have access to more tools and technologies. For this reason, IT teams can handl...

If you work in the world of web design, it is crucial you do not infringe upon copyright laws. If you do, you could end up paying some hefty fines or even being prosecuted. So, check out these five common copyright pitfalls you need to avoid.Not Copyrighting Your Own WorkWhile most copyright infringement pitfalls web designers face are to do with avoiding using copyrighted materials, you also need to know how to protect your own work to ensure no one else steals it. For things like patents, trademarks, intellectual property litigation, and copyright, check out how Heer Law can help you to stay...

Virtual classrooms have become the new norm for education during the pandemic. Teachers from every school have to adjust to this new reality to ensure students keep learning even in the absence of a physical classroom setup. Thankfully, there are various digital solutions to help teachers conduct online classes without much hassle. One such tool that has revolutionized the online learning market is a Learning Management System (LMS).For schools, the in-house learning management department always looks for learning solutions that can be accessed both online and offline, so that students ca...

“Is Java Set ordered or not? ” is the most popular question asked when you interview for a Java Developer position. Many fail to answer it, and I have to admit I was one of the many.I have known the answer is “Yes and No” for a long time.No. HashSet is not ordered.Yes.TreeSet is ordered.If the interviewer continues with some follow up questions, I’m not confident that I know the answer then.Why is TreeSet ordered?Are there any other ordered Set implementations?As a growth-minded developer that always wants to improve, it is necessary to absorb some ...

Normally people would not pay much attention to which GoLang version is being used as lots of functions are backward compatible. However there are cases where GoLang version does matter as some functions may not be supported by old version of GoLang. For example, strings.Builder is introduced in Go 1.10, but below code would fail to be compiled on Go 1.10.package mainimport ( "fmt" "strings")func main() { var b strings.Builder b.WriteString("polarisxu") fmt.Println(b.Cap())}The compilation error is:$ go versiongo version go1.10.8 darwin/amd64$ go run main.go# command-line-arguments./main.g...