Skip to main content

Why Go Language?

Go Language:
  • Open Source Programming language

  • Statically Typed language

  • Makes sharing code easy

  • Similar to C programming language

  • Organization that use Go includes Google, Docker, Kubernetes, Cloudflare, Dropbox, Netflix & Uber.

Why Go language?

  1. C like Syntax

  2. Compiles to native code i.e. one executable file is need to run the whole program.

  3. Garbage collection

  4. Concurrency built-in language

  5. Compatibility promise → Once a program written to the go one specification will continue to compile and run correctly, over the lifetime of that specification.

Why Go Compiler is fast?
  1. Simple and Minimalistic (20 keywords only)

  2. Does not allows unused dependencies

  3. No circular dependencies

  4. Does not use header files

Solving Modern problems with Go:
  • Go has concise syntax with few keywords to remember.

  • Languages like C or C++ offers fast execution, whereas languages like Ruby or Python offers rapid application development, Go bridges these computing worlds and offers development fast.

  • Modern Computers have many core, But most programming languages don’t have effective tools for utilizing those additional resources easily. But Go has Built-in Concurrency features, which will helps us to use the available resources without forcing us to use special threading libraries.

Concurrency Support:

    GoRoutines:  (One thread many Goroutines

  •  Goroutines are functions that run concurrently with other goroutines, including the entry point of your program.

  • Goroutines are like threads, but use far less memory and require less code to use. We can practically create hundreds of thousands of goroutines in same address place.

    Channels

  • Channels are data structures that enable safe data communication between goroutines.

Memory Management:

    Go has a Garbage collector which adds little overhead to the program execution time, but reduce development effects significantly. 

What is Garbage Collector?
Garbage collection is a mechanism Go developers use to find memory space that is allocated recently but is no longer needed, hence the need to deallocate them to create a clean slate so that further allocation can be done on the same space or so that memory can be reused.

Comments

Popular posts from this blog

Crypto ED25519 Signing and Verifying using Golang

The Edwards-curve Digital Signature Algorithm (ECDSA) is used to create a digital signature using an enhancement of the Schnorr signature with Twisted Edwards curves. Overall it is faster that many other digital signature methods, and is strong for security. One example of ECDSA is Ed25519, and which is based on Curve 25519. It generates a 64-byte signature value of (R,s), and has 32-byte values for the public and the private keys. Example : package main import ( "crypto/ed25519" "crypto/rand" "encoding/hex" "fmt" "log" ) func main() { publickey, privatekey, err := ed25519.GenerateKey(rand.Reader) if err != nil { fmt.Println("cannot generate ecdsa keys") log.Fatal(err) } msg := "hello" signedBytes := ed25519.Sign(privatekey, []byte(msg)) fmt.Println("Signed Message :", hex.EncodeToString(signedBytes)) if !ed25519.Verify(publickey, []byte(msg), signedBytes) { fmt.Println("ver...

Crypto RSA Signing and Verification in Golang

  RSA [Rivest-shamir-Adleman] encryption is one of the most widely used algorithms for secure data encryption. Signing and Verification:   RSA works by generating form of key pair of private and public keys. For Signing:  we need to provide some inputs,  A random reader used for generating random bits because if we provide the same input, it doesn't give the same output as last time. Before signing, we need to hash our message. we also need to provide which hash function is used for message hashing. Finally, private key.  For Verifying: we need to provide some inputs,  hash of our message. which hash function is used for message hashing while signing. Finally, public key and signature what we obtained while signing.  Example: package main import ( "crypto" "crypto/rand" "crypto/rsa" "crypto/sha256" "encoding/hex" "fmt" "log" ) func main() { privatekey, publickey := GenerateRsaKeys() message := ...

Smart contract with remix IDE and Ganache

  Previous Topic:  Simple transaction with ganache using Golang In the Previous topic, we learned how to do transaction with ganache using Golang. Now, we will learn what is smart contract and how to write smart contract and how to deploy it and how to call the contract using remix. To learn what is smart contract, we already write a blog about that. Please feel free to take a look.  Ethereum Smart contract . For beginners, use the Remix IDE for learning smart contract and understand how it works. Then we will use Truffle framework. REMIX:  Remix IDE Link Remix will provide a default workspace for developing smart contract. Now you can able to create a new file and start writing contracts, compile it with solidity compiler and deploy that contract and test the contracts. Simple Smart Contract: First create new file called store.sol  and start writing a simple contract. Contract Functionality: Store a record using SetRecord method. View the latest record . [reco...