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Doubly Linked list In previous article, we learned to create singly linked list, every node in singly linked list has in it the information of next node. but it does not have information about previous

Singly Linked List Linked lists is a data structure which is widely used across many applications, you can think of blockchain as a linked list too. Where each block contains information about transactions

Time In this article we are going to learn about a Class which ruby provides us, that is used to handle times. Almost every ruby program needs to use Time. If you want to do some task every 5 hours, you

Hashes A Hash is a dictionary-like collection of unique keys and their values. Also called associative arrays, they are similar to Arrays, but where an Array uses integers as its index, a Hash allows you

Introduction An array is a data structure that represents a list of values, called elements. Arrays let you store multiple values in a single variable. This can condense and organize your code, making

Each loop, in other languages its also called For-each loop Its also used to iterate through values.. Lets take an example to learn more about it, # Each loop is used to do something repeatedly steem_power

For...in loop In this article, we are going to learn about "For" loop its well known loop, and used in almost every programming language. Here is how it works in Ruby # For loop is used to do

This article .. We are going to learn about Until loop. Sell burgers, each burger you sell you earn 1$ ... reach your 100$ target once you reach your target display a message .. of target achievement #

While Loop Loops are used to do something repeatedly .. e.g Get all the users data .. and display it ... Loops can also be endless .. where you constantly check for something ... e.g Look at all the

In last article we learned about how can we write conditional statements, when we have multiple cases using IF - ELSIF We also have an alternative to check multiple cases. Lets take an example Check for

Hey friends, I know this account is about Ruby programming, But this incident made me cry very badly. Because of civil war .. innocent People in Syria are being murdered everyday.. They are bombed.. everyday

Nested IF conditions We are going to learn more about conditional statements in this post. Nested if conditions means .. if conditions within if conditions .. for example ## Checking for a person .. if

Conditional Statements Human beings have this ability to compare different things and make decisions based upon what they think is best. So lets say if I get an offer of 1500$/month job when I am empty

lets recap a little bit, what have we learnt so far? Different Datatypes, Numbers, texts, booleans Holding values of different datatypes inside of variables. Arithmetic operations on those values, Logical

Logical Operators In previous article, I wrote about arithmetic operators.. in this article I will give you a list of logical operators that you will be using later on to add decision making capabilities

Hey, I want to do what i love to do .. that is programming, I want to make ruby programming tutorials. both videos and text. only if i can get 1000 upvotes on this post :) regards

Cryptocurrencies could go on a bull run greater than last year and pass the trillion-dollar mark in terms of value, experts told CNBC, following a recent violent sell-off across digital coins. Bitcoin

I bet you have never seen nature at this level of beauty This is unbelievable.

Recently I have been trying to run a steem node. waiting for it to sync for about a month failed twice. and now getting this error. someone in my friends who is a witness knows how to solve this please