All posts from January 2018

Create, write and read in/from JSON file using java: Here, we are going to create two java programs 1) program that will write content in JSON file and 2) program that will read content from the JSON file.
Tags: Java programs

The files which contain values spirited by commas are known as CSV files and here, we are going to learn how to read a CSV file using java program?
Tags: Java programs

In this article, we will create a simple form to allow a user to choose a product and enter the quantity he/she wants to purchase and will generate an Invoice.
Tags: PHP

In this article, we will create a table in a databse and then we will add data to it. We will also use a PHP function to upload files.
Tags: PHP

In this article, we will learn to connect to MySql using PHP. We will insert a record in MySql datatbase using PHP.
Tags: PHP

Learn: Compare ArrayList and LinkedList in Java? What is the difference between ArrayList and LinkedList?
Tags: Java

Learn: Compare array and ArrayList in java? How differentiate array and ArrayList in java? Array v/s ArrayList in java ? Difference between array and ArrayList in java? How array differ from ArrayList in java?
Tags: Java

Learn: Difference between float and double in java? Here, we will learn about float and double data types in java? Compare float and double in java.
Tags: Java

Here, we will learn about throw and throws and what are the core concepts of throw and throws and what are the differences between throw and throws, Compare throw and throws.
Tags: Java

Here, we will learn about next() and nextLine(), what are the core concepts of next() and nextLine(),what are the differences between next() and nextLine(). Compare next() and nextLine() methods in Java.
Tags: Java

The example, we are going to use, we will learn about the method to use ClipboardManager and copy and paste from one ‘EditText’ to another ‘EditText’ with the help of two buttons. In the example below we are going to use the Content.ClipboardManager class to have all the functionality required for ClipboardManager. This getSystemService(CLIPBOARD_SERVICE) method will create an object which can be used to process the current clipboard.

Tags: Android

First of all we need to learn the method to use BatteryManager and check the current status of battery. In the example below we are going to use the os.BatteryManager class to have all the functionality required for BatteryManager.
In this article, we are going to learn about BatteryManager and how we can use it to know battery status and other battery properties?
Tags: Android

First, we learn the method to use BluetoothAdapter, BluetoothDevice and check the all connected devices to our device. In the example below, we are going to use the Bluetooth.BluetoothAdapter and Bluetooth.BluetoothDevice classes to have all the functionality required for BluetoothAdapter. This BluetoothAdapter.getDefaultAdapter() will create an object which can be used to process the current Blutooth.
In this article, we are going to show the list of all the paired devices while your Bluetooth is turn on in Android.
Tags: Android

Here, first we learn the method to use BatteryManager and check the current charging status of battery. In the example below we are going to use the os.BatteryManager class to have all the functionality required for BatteryManager.
In this article, we are going to learn about charging modes in Android and then find the current charging mode of device.
Tags: Android

In the example below, we are going to use the Animation.Animation class to create animation. This AnimationUtils.loadAnimation will create an object which can be used to create the animation for the image.
In this article, we are going to set animation on an image view by zooming the given image.
Tags: Android

In the example below, we are going to use the AlertDialog.Builder class to build an alert box. This AlertBox.Builder will ask for a question and provide two buttons for yes and no.
In this article, we are going to set two different options in a dialog box and toast the closable option as result.
Tags: Android

Like internal storage, we can also read and save data from/to the external memory such as SD card of the actual device. In this article, we are going to learn the use of FileInputStream class and FileOutputStream class.
Tags: Android

In this article, we are going to learn the use of FileInputStream class and FileOutputStream class. This is used to store and read files and data to/from internal storage of your device.
Tags: Android

In this article, we are going to learn how to create static variable and methods in Kotlin? Here is an example: program to count number of objects of a class.
Tags: Kotlin

In this article, we are going to learn how to swap two numbers using different methods in Kotlin? Here, we are using simple method, run, also, with and destructuring declarations.
Tags: Kotlin

In this article, we are going to learn about priority scheduling algorithm (non pre-emptive) and implementing this algorithm using C++ program.
Tags: Algorithms, C++ programs

In this article, we are going to learn about priority scheduling algorithm (pre-emptive) and implementing this algorithm using C++ program.
Tags: Algorithms, C++ programs

In this article, we are going to learn about implementation of shortest job first (SJF) preemptive scheduling algorithm using C++ program.
Tags: Algorithms, C++ programs

Learn: Here we will learn about JDK and JRE and what are the core concepts of JDK and JRE and what the difference between JDK and JRE is?
Tags: Java

PHP Students Result Management System - In this project, we are going to manage students result management system.
Tags: Projects, PHP

In our last article, we learnt about PHP CodeIgniter. Now in this article we will create a simple view page using html and will open that view by using controller. So, let’s start.
In this article, we are going to create a simple example based on PHP CodeIgniter MVC based example.
Tags: PHP

CodeIgniter is a PHP framework which is used to build a dynamic website using PHP (which is a server-site scripting language). CodeIgniter serves you a simple way to build your website.
In this article, we will learn about “CodeIgniter”, what is it ? How it works? How to install it?
Tags: PHP

PyQt- Layout management (Drag and Drop with QtDesigner): In this article, we are going to read about the different kind of layouts available for GUI designing and how to implement them in QT. Since, we are using PyQt; we can either do the drag n drop method by using Qt Designer or coding in python using PyQt module. In this article, we are going to learn through drag n drop way. Few remaining layouts will be covered in the next article. Feel free to ask for doubts in the comment section.
Tags: Python and PyQT

In this article, we are going to learn about implementation of shortest job first (SJF) Non-preemptive scheduling algorithm using C++ program.
Tags: Algorithms, C++ programs

In this article, we are going to learn use of ACTION_SEND event. This is to send data from home activity to another and also from current activity to the outside of the app.
Tags: Android

Set Listener on item of a list setOnClickListener - In this article, we are going to learn about Item of an Item of a List in android and how to use them?
Tags: Android

Android - List view - setOnItemClickListener - In this series, we are going to learn about the click Listeners in android and how to use them?
Tags: Android

Android - Independent view (1) setOnClickListener - In this series, we are going to learn about the click Listeners in Android and how to use them?
Tags: Android

In this article, we are going to learn about First Come First Served (FCFC) scheduling algorithm using C++ program.
Tags: Algorithms, C++ programs

In this article, we are going to learn about merge sort and implementing c program with and without using recursion.
Tags: Data Structure

In this article, we are going to learn what selection is sorting and how to implement Selection Sort?
Tags: Data Structure

In this article, we are going to learn what insertion is sorting and how to implement Insertion Sort?
Tags: Data Structure

In this article we study about the introduction of standard template library. We understand why we create standard template library? What are the uses of standard template library and History of Standard template library?
Tags: C++ - STL

It is an abbreviation of Cross-Site Request Forgery, which means that an attacker can make you do some unwanted actions to exploit the user and the server itself.
In this example, we are going to learn about how to protect your server from CSRF attacks?
Tags: Articles, Node.js

Almost every back-end developer needs to know about this attack and how to deal with it. So here’s, what is CSRF?
In this article, we are going to learn about Cross-Site Request Forgery (CSRF) Attacks.
Tags: Articles, Node.js

In this C++ program, we will learn how to find the Nth element of the X-OR sequence? Here, we are discussing about two methods 1) Native Method and 2) Efficient Method.
Tags: C++ programs

Learn: In this article, we are going to discuss about one of the most useful containers in the C++ STL known as vector. Through this article we’ll see some basics about vectors and their member functions with example.
Tags: C++ - STL, C++ programs

The startActivityForResult method creates a result on one activity and gets it from the second activity. With the help of startActivityForResult() method, we can also pass information from home activity to other activity and vice-versa.
In this article, we are going to learn about startActivityForResult method in Android with the code file. How it functions?
Tags: Android

Login Activity is one of the most common things which most of the application have is Login Activity. To have a Login Activity in your android studio project is very simple.
In this article, we are going to learn how to create and use a pre-defined login activity in Android Studio?
Tags: Android

In this article, we will learn how to apply checks for a particular data type, smart cast, safe and unsafe cast operators?
Tags: Kotlin

In this C program, we are going to learn how to find out integers which come odd number of times in an integer array?
Tags: C++ - STL, C++ programs

Toast is simply a notification that pops up. It is shown for a certain amount of time, and automatically fades in and out. You just set its display timer either ‘short’ or ‘long’. But you can’t set time duration in ‘short’ and ‘long’.
In this article, we will learn about simple toast in Android. How to set toast on click and to set its length to display?
Tags: Android

Python - string.strip(char) function with Example: In this article, we are going to learn about strip(char) method in Python, which is used to remove leading and trailing characters/string from a given string.
Tags: Python

Python - string.strip() function with Example: In this article, we are going to learn about strip() method in Python, which is used to remove leading and trailing spaces from a given string.
Tags: Python

Python - cmp() function with example: In this article, we are going to learn about cmp() function in python, which is an in-built function in python and used to compare two object.
Tags: Python

Python - random.choice() function with Example: In this article, we are going to learn about choice() function which is an in-built function of random module in Python with example.
Tags: Python

In this article, we will learn about Android Activity Life Cycle. How the activity behaves in different states?
Activity Lifecycle contains 7 methods of ‘Activity’ class. These 7 methods will define how an activity functions on different states. The activity is the subclass of ‘ContextThemeWrapper’ class. Activity is also used to place UI components/widgets on a single window. In general, an activity is a screen/window in android.
Tags: Android

Bundle is used to move data from one activity to another. This is very helpful when you need some data in an activity which will come from another activity.
In this article we are going learn how to use bundle class to pass data between activities and initializes key for the values we pass?
Tags: Android

Lots of apps are using Full screen Activity to have an attractive screen to show slides etc. There is a simple way to create this type of activity in android studio.
In this article we are going to learn about full screen activity and the process to create and use it.
Tags: Android

In this article, we will learn how to use explicit intent and to move from one activity to another and vice-versa?
Using Explicit Intent, we move from one activity to another activity. Through this intent, information can also be passed from one activity to another.
Tags: Android

Python string.count() function with example: In this article, we are going to learn with an example about string.count() function, to count occurrences of a substring in string.
Tags: Python

Python max() function with Example: In this article, we are going to learn with an example about max() function which is an in-built function in Python.
Tags: Python

Python min() function with Example: In this article, we are going to learn with an example about min() function which is an in-built function in Python.
Tags: Python

Python len() function with Example: In this article, we will learn about ‘len()’ function with an example. Example will print the length of the strings.
Tags: Python

In this article, we are going to learn how to create first project? This article contains step by step process with the screenshots.
Tags: Android

In this article, we will look up on what is sorting and merge two sorted array into third sorted array. Here, is a C program that will arrays and result will also be a sorted array.
Tags: Data Structure

It is very simple to learn what it is about. In the Radix sort, the control makes passes all over the array equal to the number of the digits of the maximum integer.
In this article, we are going to learn about a sorting technique called radix sort and understand how it works?
Tags: Data Structure

Well, heaps are of two type max heap and min heap. The Basic and important rule to follow is that in a max heap the parent node should be greater than that of its child.
In this article, we will look up on Heap sort, how it works and will try to understand its sorting process through an example.
Tags: Data Structure

An IMEI number is a 15 digit number and it is said to be IMEI number if and only if the sum of the number is exactly divisible by 10. But the condition is that when we entered the number the digit next to the previous one is taken as its double.
In this java program, we will read a number, which will be an IMEI number of a mobile and check whether it is a valid IMEI number or not.
Tags: Java programs, Java basic programs

A number is said to be a Pronic number if it is having the product of consecutive two numbers.
In this java program, we are going to check whether a given number is Pronic Number or not.
Tags: Java programs, Java basic programs

A number is said to be Harshad Number if and only if the sum of entered number completely divides the entered number (into 10 bases).
In this java program, we are going to check whether a given number is Harshad Number or not.
Tags: Java programs, Java basic programs

In this java program, we are going to write code to check whether a given number is an Evil number or not.
Tags: Java programs, Java basic programs

In this article, we will learn how to use implicit intent? There two types of code (XML and Java) implicit intent coding is done in Java code, XML code is used for the design of layout.
Tags: Android

In this example, we are going to learn how to define set and get properties within a C# structure? Here, we have an example that have set and get properties within the structure.
Tags: C# programming

In this article, we will learn about constructor overloading in C#, what are the base on which constructor overloading performs etc.
Tags: C# programming

In this article, we will learn about initialization of structure in C# programming. It contains structure initialization syntax, example.
Tags: C# programming

In this article, we are going to learn how to install Android Virtual Device on your system? This article contains step by step process with the screenshots.
Tags: Android

C++ STL - Stack implementation: In this C++ program, we will learn about ‘stack’ which is a container type data type in C++ Standard Template Library (STL). Here we are implementing program with push(), pop() etc functions of ‘stack’.
Tags: C++ - STL, C++ programs

In this article, we will look up on what is sorting and one of its types which is address calculation sort?
When we say sorting it means serializing a collection of data inside any the collections like arrays, linked list etc. There is one good reason for implementing sorting on any collection is that it makes the searching very fast as compared to the collection which is unsorted. Now, this is not true for every test case but on an average, it is so...
Tags: Data Structure

In this article, we are going to learn about quick sort, how it works and its algorithm?
Quick sort is one the very popular sorting algorithm or technique to sort a collection of data. Quick sort is better because of few decent reasons...
Tags: Data Structure

In this article, we are going to learn the basics of shell sort and understand it’s working with the help of an example of c program.
Tags: Data Structure

In this java program, we have an array with combinations of strings and integers, and program will count total number of strings are integers.
Tags: Java programs, Java array programs

Java multiple exceptional handling example: In this java program, we are reading two integer numbers, dividing them and handling exceptions.
Tags: Java programs, Java basic programs

In this java program, we are reading two integer numbers and dividing them also checking the exception. Program will through an error if second number (divisor) will be zero (0).
Tags: Java programs, Java basic programs

An Example of Exceptional Handing: In this java program we are implement a program in which we are reading marks of a student between 1 to 100 and if marks are out of range exceptional will be returns.
Tags: Java programs, Java basic programs

In this article, we will learn about Collections utility: How to filter a list and converting a list to map in Kotlin?
Tags: Kotlin

In this article, we will discuss about collections in kotlin. In this we will learn how to define list, set, map, hash, map etc. in Kotlin?
Tags: Kotlin

In this article we are going to learn how to use tail recursion and also implement it to find the factorial of the number?
Tags: Data Structure

This tutoial contains step by step process with pictures to downloand and install of Android Studio, learn how to install it on your system?
Tags: Android

How to send data on server through an Android application? Here, we will make a Login module to practically learn the CallHtttpRequest.
Tags: Android

In this article, we will learn how to connect an Android application with the server of any kind?
Tags: Android

In this article, we are going to learn about structures in C#, what structures may contain, structures declarations, usages and examples.
Tags: C# programming

In this article, we will learn about the graph, node or vertex, edges and topological sorting.
A graph is a set of nodes or known number of vertices. When these vertices are paired together, we call it edges. An Edge is a line from one node to other. Every edge can have its cost or weight...
Tags: Data Structure

In this article, we will learn about how to make use of Fragment under Android Tabbed Activity?
You have learnt about how to create and set the activity in the last part. A Fragment is like a component which has a JAVA File and a Layout file just like an Activity. Creating a fragment is rather simple, the concept is very simple. It does not have anything very different than activity.
Tags: Android

In this article, we are going to learn how to make use of tabbed activity in Android?
In the android studio, we have been given a variety of different activities to make use of any one of them is Tabbed activity. This activity can easily be included in your android studio project...
Tags: Android

Here, we are going to write a java applet program that will display moving text (content) on the screen.
Given a message or a text, co-ordinates and the initial state this will help in moving the text using java applet program.
Tags: Java programs, Java applet programs

Here, we are implementing a java program that will display an animation of bouncing ball. This is an example of java applet program.
Given coordinates of the box, radius of the circle and color using these elements we have to make an animation of a bouncing ball using Java applet program.
Tags: Java programs, Java applet programs

Here, we are implementing a java program in applet that will print a welcome message on the screen.
In this example, we are using a function named ‘g.drawString()’ which is a method of Graphics class, here ‘g’ is an object of Graphics class. drawString() is taking three parameters string to display and x,y co-ordinates.
Tags: Java programs, Java applet programs

Here, we will go to learn to make a list and fill the list with data in the array.
Tags: Android

In this article, we will learn about spanning tree, minimum spanning tree and how to create a minimum spanning tree from Prim’s algorithm?
Tags: Data Structure

In this example, we will learn about weighted graph with positive and negative weights, shortest path and Warshall’s algorithm.
Tags: Data Structure

In this article, we will learn about Graph, Adjacency matrix with linked list, Nodes and Edges.
Tags: Data Structure

In this article, we will learn about spanning tree, minimum spanning tree and how to create a minimum spanning tree from Kruskal’s algorithm?
Tags: Data Structure

PHP array_count_values() function with Example: Here, we will learn how to find occurrences of each element in PHP?
Tags: PHP

PHP - rand() function: In this article, we are going to learn about rand() function, how to generate random numbers between min and max?
Tags: PHP

PHP strpos() and stripos() functions: In this article, we are going to learn about PHP functions strpos() and stripos() with examples.
Tags: PHP

Here, we are implementing a java program that will read a string and we have to swap first and last character of each word in given string.
Tags: Java programs, Java basic programs

Here, we are implementing a java program that will read an amount and then convert, count total number of different notes (rupees).
Tags: Java programs, Java basic programs

Here, we are implementing a java program that will read a string and check the palindrome words in string also find the occurrences of words in a given string.
Tags: Java programs, Java basic programs

A Number is said to be an Emrip number if it is Prime from both the side backward and from forward.
Here, we are implementing a java program that will read a number and check whether it is Emrip number or not.
Tags: Java programs, Java basic programs

This article will tell you what is graph, nodes, shortest distance and how to find it by Djikstra algorithm?
Tags: Data Structure

Here, we are implementing a java program that will be used to find the correct output of given student quiz.
Tags: Java programs, Java basic programs

Here, we are implementing a java program that will read the value of N and find sum of the factorials from 1 to N. It is a solution of series 1! + 2! + 3! + 4! + ... N!
Tags: Java programs, Java basic programs

In this article, we will learn about what adjacency matrix is and how it is created?
Tags: Data Structure

In this article, we will learn about what is graph and how to add and delete nodes and edges in it by adjacency matrix?
Tags: Data Structure

In this article, we are going to learn about the Thread synchronisation? Explaining through an example with and without thread synchronisation.
Tags: Java

In this java program we are going to find the longest sequence of 0’s of binary form of a number.
Tags: Java programs, Java basic programs

In this article, we are going to learn how to find factorial of a given number using PHP program?
Tags: PHP

In this PHP program, we are going to check whether a given number is an EVEN number of an ODD number.
Tags: PHP

In this java program we are going to find the cube from 1 to N, where N will we the user input.
Tags: Java programs, Java basic programs

Learn: In this article, we’ll going to discuss about various functions and methods associated with dictionaries in python . To append ,update , delete values to the dictionary and toperform other functions and methods to accommodate dictionary values and their keys (with examples).
Tags: Python

In this article, we are going to learn about SQL transactions, its properties and its commands, which are known as Transaction control commands.
Tags: SQL

In this article, we are going to learn how to search an element from an array using binary_search() function of C++ Standard Template Library (STL)?
Tags: C++ - STL, C++ programs

In this article, we are going to learn about Data classes in Kotlin programming language. Its declaration, example etc.
Tags: Kotlin

In this article, we will learn how to create a new activity in android studio with following steps.
Tags: Android

In this article, we will learn how to make a new project in Android Studio?
Tags: Android

In this article, we will learn how to use Image View with user defined images?
Tags: Android

In this article, we will learn about the Relative-layout and its uses by working with two edit texts respectively.
Tags: Android

Here, we are implementing C program that can be used to insert and delete elements in/from heap.
Tags: Data Structure

C++ STL - sort() function Example: In this article, we are going to learn how to sort array elements in Descending Order using sort() function of C++ - STL?
Tags: C++ - STL, C++ programs

C++ STL - sort() function Example: In this article, we are going to learn how to sort array elements in Ascending Order using sort() function of C++ - STL?
Tags: C++ - STL, C++ programs

Here, we are implementing a PHP program that will check whether a given integer number is palindrome or not.
Tags: PHP

In this article, we are going to learn how to find sum of all array elements using array_sum() function in PHP?
Tags: PHP

Here, we will learn how to find Nth minimum salary of an employee from given table in MySQL?
Tags: SQL Queries

Here, we are going to implementing a java program that will read an integer number and check whether it is Kaprekar number or not.
Tags: Java programs, Java basic programs

Here, we are implementing a java program that will read an integer number and check whether it is an ugly number or not?
Tags: Java programs, Java basic programs

Here, we are implementing a java program that will generate and print random numbers between given ranges?
Tags: Java programs, Java basic programs

Hello friends,
Wishing you and your family a Happy New Year! Read more...
Tags: personal

Machine Learning/ Artificial Intelligence/ Deep Learning/ Data Science: Well, this is the very first article on Machine Learning and its brother subjects. Before we proceed into studying further, it must be noted that all of these are often considered to be same; especially ML, AI, and Deep Learning. One is the subset of another. You will get better insight going through the article. I have also included some interesting facts in this article. Go through each and every article, and this will become a heavenly place for ML/AI enthusiast. The best thing about this article series is that this is the simplest demonstration of this huge subject through my Learning Experience.
Tags: Machine Learning/Artificial Intelligence

In this article, we will discuss about a simple trick in java to run code written in comments.
We have studied that comments never executes, but there is a trick by which we can mock the friends by showing them a code runs i.e. written in comments. This can be done using a Unicode character because java parse character escape sequence in the source code.
Tags: Java

Here, we are implementing a C program that will insert value (item) to an AVL Tree.
Tags: Data Structure