In this tutorial you will learn how to create a round button in android. Shape drawable resource is used to define shape of a view. Below I have shared an example to to make a circle button. Android Round Button Example Create a xml file inside res/drawable folder. round_button.xml <?xml version=”1.0″ encoding=”utf-8″?> <shape xmlns:android=”http://schemas.android.com/apk/res/android” android:shape=”oval”> …
In this tutorial you will learn how to convert image to base64 string or base64 string to image in android. Base64 is an encoding schema that represents binary data in an ASCII string. It becomes really helpful in case you want to upload image to server or save the image in database. How It Works? …
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Diamond problem occurs when we use multiple inheritance in programming languages like C++ or Java. Let’s understand this with one example. Diamond Problem in Inheritance class A { void display() { //some code } } class B : public A{ void display() { //some code } } class C : public A{ void display() { …
In this tutorial you will learn to implement android push notification using firebase cloud messaging (FCM). Firebase is a real time cross platform database that provides various functionalities like authentication, storage, notification, etc. Firebase is becoming popular among developers due to its simplicity and easy implementation. In earlier days Google Cloud Messaging (GCM) was used …
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In this article you will get list of format specifiers in C. Format specifier is used to specify the data type while reading or writing. For example if you want to print value of an integer type variable then you have to use %d in printf() function. Take below example. #include<stdio.h> int main(){ int a; …
Here you will learn about 0-1 knapsack problem in C. If you are interested in learning more about dynamic programming techniques, AlgoMonster’s Dynamic Programming Introduction and Dynamic Programming Patterns. We are given n items with some weights and corresponding values and a knapsack of capacity W. The items should be placed in the knapsack in …
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Here you will learn about difference between SQL and PL/SQL. SQL and PL/SQL are two popular database technologies. These two topics are very frequently asked in database interviews. In this article I have shared the key differences between these two technologies. Also Read: PL/SQL Interview Questions and Answers Image Source Difference between SQL and PL/SQL S. …
Here you will learn about producer consumer problem in C. Producer consumer problem is also known as bounded buffer problem. In this problem we have two processes, producer and consumer, who share a fixed size buffer. Producer work is to produce data or items and put in buffer. Consumer work is to remove data from …
