Success Quote


Perseverance is failing 19 times and succeeding the 20th - Julie Andrews

Comments

Post a Comment

Hey there, liked our post. Let us know.

Please don't put promotional links. It doesn't look nice :)

Popular posts from this blog

How To Minify JavaScript & Css Files

Image
In the world of programming, everyone is concerned about performance. Although the system are getting more and more advanced but hunger for performance still remains the same. So in this post we will learn about how we can locally minify our JavaScript and Stylesheet css files just by using a batch file. Let's first discuss few things
Read more >>

Just Maths - Views, View Groups and Layouts

Image
Great android apps require great design. For great design you need to master layouts. Layout is one of the basic building block of Android User Interface. Lets jump right in and try designing layout for our app - Just Maths. Just Maths has 3 screens - Main Menu Screen, Game Screen and Score Screen. Each of the screen is designed using Relative Layout and Linear Layout. There are other layouts as well like Frame Layout, Table Layout and Grid Layout. But you can design anything using only Relative Layout and Linear Layout. These layouts are nothing but View Groups.
Read more >>

Kotlin Type Checking and Smart Cast with Examples

Image
  Type Checking in Kotlin For certain scenarios, we need to check the type of the object i.e. we need to identify the class of the object before executing any function on that object. Consider a scenario where you have different types of objects in an array. You are looping on that array and executing some functionality. If you call a method that does not exist in the object, an error will be thrown at the runtime. To prevent such errors, we do type checking. In Kotlin, we have an  " is operator"  that helps in checking the type of the object. fun main() { var p1 = Person() if(p1 is Person) // Use of is operator { p1.sayHi() } } class Person{ fun sayHi() = println("Hi") } Explanation -  Here, we are checking the type of p1 instance that if it is of type Person - call its sayHi() method. In this case, it is evident that the object is of type Person only but for scenarios where we need to check the type - we use an "is operator"....
Read more >>