I came to know about this book when I was attending the DGPLUG summer training 2019 it is one of the recommended books on how… ( ( Read More ) )
ACID Property in databases
ACID stands for Atomicity, Consistency, Isolation, and Durability. It is a set of properties that guarantee the validity of data in Database systems. In order… ( ( Read More ) )
Programmer in 10 years, Hacker Culture, Blogging
I am attending the DGPLUG Summer training[1] for 2019 sessions. In the first two sessions, they have given some articles to read here is the… ( ( Read More ) )
Mixins in Ruby
Modules Class is used to define objects. In Ruby class is derived from Module. Modules is very similar to class with key differences. Modules are… ( ( Read More ) )
Object Oriented Programming in Ruby – 2
Access control Access control provides controls on who can invoke the method to change the state of the object. Ruby provides three levels of access… ( ( Read More ) )
Object Oriented Programming in Ruby – 1
Basics In Object oriented programming whole program is created with objects and the messages that pass between them. Now objects are entities they can communicate… ( ( Read More ) )
JS Dom manipulation interview question
I was given a task to create un ordered list and li items from an array such that when clicked on the item it will… ( ( Read More ) )
Ugly numbers implementation in Ruby
Ugly numbers are natural numbers whose prime factors consists of 2,3 and 5 only. Here is my implemetation using Dynamic programming. def MIN(a, b, c)… ( ( Read More ) )
Duplicate Rows in SQL and PostgreSQL
We will use PostgreSQL 10 for this experiment. We will create a table with no indexes. CREATE TABLE account( username VARCHAR (50) NOT NULL, password VARCHAR (50)… ( ( Read More ) )
Linked List data structure
Linked list data structure in which we store data one after another in linear fashion. Linked list is like railway train in which we have… ( ( Read More ) )