Zigzag challenge
The Zigzag challenge Given an array of integers numbers, your task is to check all the triples of its consecutive elements for being a zigzag. More formally, your task is to construct an array of length numbers.length – 2, where…
c# interview questions for experienced
Introduction to c# interview questions for experienced The following are the most commonly asked questions in C# interviews for the C# developers planning to enter an interview. Below, I listed some of the best interview questions for C# and .net.…
Nodejs interview questions for experienced
An introduction for nodejs interview questions for experienced Nodejs jobs demand increased rapidly in the last few years and it is expected that this demand will be higher in the next few years also. In this post, I provide a list…
Cryptography in blockchain
Introduction Blockchain technologies have dozens of different uses. Its impact covers everything in finance and technology How does blockchain work? Blockchain is a distributed database that maintains a continuously growing list of records, called ‘blocks’ which are linked and secured…
Solidity smart contract fund and withdraw
Introduction The smart contract is the backbone of many blockchain businesses nowadays. In this post, I will explore how to implement the solidity smart contract to fund and withdraw assets from a smart contract. The post will provide also some…
dotnet core logging
Dotnet core logging Introduction ASP.NET Core provides support for logs that enable developers to easily leverage the logging framework functionality. Installing Login for your application will require very few code changes. Once these are installed, the Logging system can be…
Blockchain Interview Questions
Introduction The demand for Blockchain developers increases, so in this post, I’m trying to set some of the most common blockchain interview questions and their answers to help developers pass the blockchain interviews. Blockchain interview questions can be sometimes tricky,…
Solidity CRUD
Introduction This guide will explore the basics of CRUD (create, read, update and delete) operations using solidity. We will show also the event emitter that can be applied in every operation which can be used in log and in many…
Blockchain
Blockchain technology introduction Blockchain technology becomes a trend and it is increasingly mentioned in many business and technical communities. blockchain is a fully-distributed, peer-to-peer software network that makes use of cryptography to securely host applications, store data, and easily transfer…
Palindrome challenge
The Palindrome challenge The palindrome challenge is one of the most popular coding challenges in different coding exams at most software companies, especially at the big tech companies like Google, Microsoft, Facebook, Amazon, and more. What is a palindrome? The word/number…