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Different Equality Operators in Rails

1) == It is a simple equality operator, that only checks if the value of the left operand is equal to the right operand or not, so returns true or false respectively <pre> > x = 5 > y = 5 > x == y => true > y = 6 > x == y

Technique For Performance Testing

Performance testing is complicated and Costly  due to huge  resource requirements and the time taking process. So performance testing require careful planning and a robust methodology. Performance testing don't have clear goal because o

Handling Click Events On SKSpriteNode

Hi,   Like UIButtons we don’t have IBActions for SKSpriteNode and what if we have to trigger the click event on SpriteNodes. Solution comes here by handling touch methods provided by UIResponder class. Start by creating a subclass of Sp

Big View Notification - How to Apply Expanded Layout to Android Notification

There are two types of visual style which appear on the Notification, normal view and big view. So, here in this tutorial, we will see how to Apply Expanded Layout to Android Notification. Regarding Nig View Notification, you should aware that the

How to use an argument returned by a decorator in another decorator that is called after the first decorator

I am using two decorators to decorate a function "add_user", the first one @auth_user authenticates the logged in user via json web token request headers and returns the user's information as an argument "user_info" back to th

How to Implement Callback in Android to Communicate Between Classes & Fragments

Callback is a way to inform a class synchronous/ asynchronous when an event occurs. A simple way to create a generic callback is to use interface with a method in which JSON is passed.     So, In this tutorial, I will guide you about h

MVC, why and what? An analogy

In medieval period of programming, when I use to read what Yashavant Kanetkar wrote about C language, I wonder if this high-level programming language pattern can be bettered. It gives me so much freedom to write code and I really-really liked the st

Working with migration in Rails

Rails make use of ORM(Object-Relational Mapping) i.e a layer between your actual database and your model logic in the form of Active Record. As rails provide you with ORM in form of Active Record all the code that you need to write to interact with d

ACL architecture in Joomla 3.x

Hello Readers, Today we are going to discuss the details about Access Control Lists (ACL) of Joomla 3.x Access Control List (ACL) specifies which users or system processes are granted access to objects, as well as what operations are allowed to be

Undo Changes in git

Previous Git Blogs 1. Intialize git repostiory 2. First Commit 3. Two tree architecture and Three tree architecture 4. Best basic practices for writing commit messages 5. Viewing the commit logs 6. Git Basic WorkFlow 7. What is HEAD pointer in GI

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