All posts from December 2017

Dear All (Content Writers),
Thanks for your support and love...
Due to create separate the things, I’ve created a separate Email ID on which you have to send your next articles.
Tags: personal

Here, we will learn how to merge N columns as a single column from a table using SQL Query?
Tags: SQL Queries

Here, we will learn how to create a SQL Query that will fetch (print) Even and Odd numbers.
Tags: SQL Queries

In this java program, we are reading a matrix and check whether input matrix is Lower Triangular Matrix or not.
Tags: Java programs, Java array programs

In this java program, we are reading a matrix and check whether input matrix is a symmetric matrix or not?
Tags: Java programs, Java array programs

In this java program, we are going to read a matrix and printing its boundary elements.
Tags: Java programs, Java array programs

In this java program, we are creating a matrix and filling the matrix elements with prime numbers starting from 1.
Tags: Java programs, Java array programs

In this java program, we are going to find perimeter of a rectangle, to find perimeter we need to take length and width as an input.
Tags: Java programs, Java basic programs

In this article, we are going to learn what are the differences between final, finally and finalize() in java?
Tags: Java

Here, we are implementing a C# program that will convert queue into an object array. Here we are using ToArray() method of Queue class.
Tags: C# Data structure programs

In this article, we are going to learn how to drop a MYSQL table using Node.js server?
Tags: Node.js

In this article, we are going to learn how to select data from two tables using identical field in MYSQL table using Node.js server?
Tags: Node.js

In this article, we will learn how to create a new layout with Linear orientation?
Tags: Android

Button Function and Custom Event- PyQt: In this article, we are going to study about few of button functions and, we’ll design some custom events. This is just the basic; so maybe you don’t catch it cool but we will design cooler custom events in future articles. For now just try to understand the code, and build your basics. Here, we are experimenting with one or two button functions. But, if you want to explore more and experiment with button functions; check out this link: pyqt.sourceforge.net/Docs/PyQt4/qpushbutton.html . So, let’s begin the fun again. Don’t hesitate in clearing your doubts in the comment section.
Tags: Python and PyQT

In this article, we will learn about the Grid - layout, its uses and set four image views in grid view.
Tags: Android

This article is related to interfaces in kotlin. In this article we will learn about interfaces, how they are implemented in kotlin and how they differ from interfaces in java?
Tags: Kotlin

In this article, we are going to learn about abstract classes. Here you will find what abstract class is and how they can be implemented in Kotlin?
Tags: Kotlin

In this article, we are going to learn how to compare Array and Collection java with examples?
Tags: Java

In this article, we will learn about the disadvantages (limitations/drawbacks) of creating object arrays in java.
Tags: Java

In this example, you will learn about what is Binary search tree? And C program for Insertion, Deletion, and Traversal in Binary Search Tree.
Tags: Data Structure

Here, we are implementing a java program that will read (have) two dates and print their differences in dates.
Tags: Java programs, Java date, time programs

Here, we are implementing a java program that will read number of hours to be added in the current date and time. This program is adding hours in the current date, time.
Tags: Java programs, Java date, time programs

Here, we are implementing a java program that will read number of rows and cols from the user and create a two dimensional array, then it will read few characters and fill all elements with these characters.
Tags: Java programs, Java array programs

Here, we are implementing a java program that will read number of students their answers which they marked in answer sheets, answer key (correct answers) and finally calculate the result of all students.
Tags: Java programs, Java basic programs

In the following java program, we will learn how we can Enable or Disable button? Here we use disableElementItem for enable or disable buttons and Import BorderLayout for creating effective frame.
Tags: Java programs, Java Swing programs

In this article, we are going to learn how to implement Count Sort in Kotlin? Here you will find its algorithm and program in Kotlin.
Tags: Kotlin

In this article, we will learn about the Linear-layout in Android, and its uses, create a set of buttons and form in linear layout.
Tags: Android

In this article, we will learn how to overcome challenges of asynchronous functions?
Tags: Node.js

In this article, we are going to learn how to implement a priority queue using C language with the linked list in the data structure?
Tags: Data Structure

In this article, we are going to learn how to implement item code and price code of that item will store in respective item and its price stack?
Tags: Data Structure

In this article, we are going to learn how to implement a circular queue by using array in data structure?
Tags: Data Structure

In this article, we are going to learn how to implement bucket sort in Kotlin? Here you will find what is bucket sort, its algorithm and program in kotlin.
Tags: Kotlin

In this article, we are going to learn what is Euclidean algorithm? How to calculate greatest common divisor of two numbers using Euclidean algorithm and program in Kotlin.
Tags: Kotlin

C language frequently asked question on string declaration: Is char string[5] = “Hello”; valid?
Tags: C language

C language frequently asked question on string declaration: For a user-defined data type, what should be used typedef or #define?
Tags: C language

C language frequently asked question on string declaration: What is NULL pointer and how it is defined?
Tags: C language

In this article, we are going to learn how to reverse a user-defined string using a stack in the data structure?
Tags: Data Structure

In this article, we are going to learn how to create an input and output restricted Deque with the help of array in the data structure?
Tags: Data Structure

In this article, we are going to learn how to implement a sparse matrix for 3-tuple method using an array in the data structure?
Tags: Data Structure

World is getting smarter day by day. Everyone and everything is dependent on smart gadgets. What really make the gadgets run is its operating system and apps. Coding and App development is the fastest growing industry in the world and being the largest community using smartphones, India is need of more young talents in the app development industry. This increase in trend also led to increase in unemployment of fresher from other engineering branches, even a mechanical engineering students are advised to have mediocre skill sin coding and app development to be virtually employable.
Tags: Articles, Guest post

In this article, we are going to learn how to implement Quicksort in Kotlin? Here you will find what is merge sort, its algorithm, and program in Kotlin.
Tags: Kotlin

In this article, we are going to learn how to implement Merge sort in Kotlin? Here you will find what is merge sort, its algorithm, and program in Kotlin.
Tags: Kotlin

In this article, we are going to learn how to implement Heapsort in Kotlin? Here you will find what is Heapsort, its algorithm, and program in Kotlin.
Tags: Kotlin

In this article, we are going to learn how to do nesting of parentheses to check whether it is valid or invalid in data structure?
Tags: Data Structure

In this article, we are going to learn how to work more on than one stack by implementing multi stack in data structure?
Tags: Data Structure

Want to increase the performance of your server quickly, without changing the core logic? Read on...
Tags: Data Structure

Here, we are implementing a java program that will perform almost all operations on banking management system. This is small project of bank management in java.
Tags: Java programs

Event Handling Examples (2) - PyQt: In the previous article, we studied the “push button event” generated. Here we are going to study about few other important events, signals, and slots through elaborative examples and practical codes. Here, we are going to study the event generated by keyboard. Plus, we are going to program and study one very interesting widget event, which is among one of my favorites, Slider. Just go through the steps of the code, do some alterations on your own; In case you get stuck in trouble? Feel free to ask in comment section.
Tags: Python and PyQT

Want to increase the performance of your server quickly, without changing the core logic? Read on...
Tags: Node.js

How to make your server secure instantly? This article is about making your Express server secure from very well known web vulnerabilities by setting HTTP headers appropriately.
Tags: Node.js

Event Handling Examples - PyQt: This article is a continuous content of the previous article. We went through the theory part of Event handling mechanism in PyQt along with an example of “Mouse click-event”. Here we are going to study about few other important events, signals, and slots through elaborative examples and practical codes. Right here, we are going to study the push button event. Just go through the steps of the code, do some alterations on your own; Stuck in trouble? Feel free to ask in the comment section.
Tags: Python and PyQT

In this article, we are going to learn how create more than one activity and work further on intent in Android?
Tags: Android

In this article, we are going to learn how to create more than one activity and work with intent in Android?
Tags: Android

Here, we are implementing two java programs that will print two different patterns based on given input; input will be the numbers of rows to print in the patterns.
Tags: Java basic programs

In this java program, we are going to create singleton class using static block. We will learn this by using simple example and explanation.
Tags: Java

In this article, we are going to learn how to implement a selection sort in Kotlin? Here, you will find what is selection sort, its algorithm, program with the explanation?
Tags: Kotlin

In this article, we are going to learn how to implement an insertion sort in Kotlin? Here, you will find what is insertion sort, its algorithm, program with the explanation?
Tags: Kotlin

PyQt Event handling mechanism: In this article, we are going to study about the Event handling in PyQt. Earlier we have used some widgets, but we didn’t implement any event and its handling. Before, we go further to use more widgets and build interesting responsive GUI; we need to understand a little theory behind them. In the upcoming articles we will better create GUI applications through event handling.
Tags: Python and PyQT

In this article, we are going to learn how to initiate a list view for layout in Android?
Tags: Android

In this article, we are going to learn how to create an image button and work with it in Android?
Tags: Android

In this article, we are going to learn how to initiate a grid view for layout in Android?
Tags: Android

In the previous article we introduced object oriented programming(OOP) in Kotlin with class and objects, now in this article we will discuss about an important feature of OOP i.e. inheritance and function overriding.
Tags: Kotlin

Here, we are implementing java program that will read a minimum and maximum number and print the all prime numbers between the given range.
Tags: Java basic programs

Here, we are implementing a java program that will multiply corresponding elements of two array lists.
Tags: Java ArrayList programs

Here, we are implementing a java program that will have some elements in the list and we will extract particular elements (from given to index to from index).
Tags: Java ArrayList programs

Here, we are implementing java program that will read a string and makes first alphabet capital of each word in given string.
Tags: Java string programs

In previous articles we have studied basics, arrays, functions, looping statement ranges etc. Now in this articles we will learn about classes, constructors and objects.
Tags: Kotlin

In this article, we are going to learn how to create a general form with specific fields in Android?
Tags: Android

In this article, we are going to learn how to initialize a dialog and some of its pre-defined methods in Android?
Tags: Android

In this article, we are going to learn how to initialize a dialog and work with it in Android?
Tags: Android

In this article, we are going to learn how to display data from two different tables in MYSQL table using Node.js server?
Tags: Node.js

Here, we are implementing a java program, in which we calculate the area of Hexagon. This will be calculated based on given length of the sides.
Tags: Java basic programs

Here, we are implementing a java program that will read two integer number and compare them each other. Program will print which is smallest, largest and equal (if they are) number.
Tags: Java basic programs

Here, we are implementing a java program that will read an integer number and count its all factors. If a number is divisible by 4 different numbers than factors of that number will be 4.
Tags: Java basic programs

In this article, we are going to learn how to find occurrence of each element in an array using two different methods 1) simple method O(n^2) time and 2) hashing O(n) time with C programs?
Tags: Data Structure

In this article, we are going to learn how to define a String for whole project in android?
Tags: Android

In this article, we are going to learn how to work with pre-defined analog clock in android?
Tags: Android

In this article, we are going to learn how to use/print special symbols in label as text in Xamarin?
Tags: Xamarin

In this java program, we are going to learn how to read and print a two dimensional array? Here, we are reading number of rows and columns and reading, printing the array elements according to the given inputs.
Tags: Java array programs

Here, we are implementing a java program to sort an array (one-dimensional array) in ascending order? We are reading array elements, arranging them in ascending order and printing the sorted array.
Tags: Java array programs

In this Android application, we are going to learn how to create an application to manage signup (registering a user), sign in (login) and logout (sign out)? This is a complete tutorial with source codes.
Tags: Android

In this java program, we are going to learn how to merge two one dimensional arrays? Here, we are reading two one dimensional arrays and merging their elements.
Tags: Java array programs

In this java program, we are going to learn how to find and print separately EVEN and ODD number from an array?
Tags: Java array programs

In this java program, we are going to learn how to delete an element from a one dimensional array? Here, we have an array and then deleting a given element from array.
Tags: Java array programs

Here, we are implementing a java program that will print a pattern like ‘W’ alphabet using stars. It is a pattern printing program in java.
Tags: Java basic programs

We are feeling glad to announce that Mr. Manu Jemini is the Content Writer Of The Month (November 2017) on the basis of his excellent contribution and his support to us.
Tags: Content Writers of the Month

In this java program, we are going to learn how to access and traverse all files of a directory/folder? Here, we are traversing all files of a given directory.
Tags: Java basic programs

In this java program, we are going to learn how to convert a string value to Boolean value? Here, we are taking an input as string and converting it into Boolean value.
Tags: Java basic programs

In this java program, we are going to print a pattern that is known as Floyd’s triangle till N rows. Here, we are taking N from the user and printing the pattern according to it.
Tags: Java basic programs

In this java program, we are implementing a program that will print a trainable in normal and reverse order using numbers.
Tags: Java basic programs

In this java program, we will learn how to check whether a given character in an alphabet or not? Here, we are reading a character from the user and validating it is alphabet or not.
Tags: Java basic programs

Print ‘Hello World’ using Python and PyQT -2 (Practical): This article will cover the practical implementation of those terms we studied in previous articles. Here, we will learn the second method to create and run GUI apps, say a simpler method. And, believe my words whether you love codes or not, but you would certainly love this one. We will create the same “Hello World” layout using Qtdesigner, a drag and drop way. Like you are always welcome to do so, feel free to ask any query in comment section.
Tags: Python and PyQT

In this article, we are going to work further on the last two parts of Log-in and initiate some verification? Here, we are creating a login form that will send data to server for authentication in Node.js.
Tags: Node.js

In this article, we are going to learn how to work with Login/Sign In interfaces and their actions in Node.js? For that, we are creating a signup form that will send data to SERVER in Node.js.
Tags: Node.js

In this article of java programs, we will learn how to create and reverse a linked list?
Tags: Java programs

In this article, we will learn how to join threads? This program is going to be implemented using join() method of Thread class.
Tags: Java programs

In this article, we will learn how we can create threads in java. Here, we have examples, in which we are creating threads by extending Thread class and by implementing Runnable interface.
Tags: Java

In this java program, we will print the different format of month in which we can write a month and this will be done using formatter class and calendar class in JAVA.
Tags: Java date, time programs

In this java program, we have to print the different dates of days. Here we are using package java.time.Localdate for using the method and class of this package.
Tags: Java date, time programs

Printing ‘Hello World’ on GUI-2 (Theory): This article brings you one step further in the journey of learning GUI with PyQT. This article will give you knowledge of pre-essentials before you start with a new fun. Please don’t skip this article or you may face trouble somewhere in next articles. Like you are always welcome to do so, feel free to ask any query in comment section.
Tags: Python and PyQT

In this article, we are going to learn what is SQL INDEX, how to create and use INDEX in SQL? How it speeds up the data retrieval?
Tags: SQL

Here, we are implementing an array program in Kotlin. Here, we are declaring and initializing arrays with different methods.
Tags: Kotlin

In this article, we are going to learn about Arrays and their initialization, declaration, accessing elements etc in Kotlin programming language.
Tags: Kotlin

In this tutorial we will learn about Looping statements like for loop, while loop and do while loop with examples.
Tags: Kotlin

In this article, we are going to learn how to search with a random pattern from MYSQL table using Node.js Server?
Tags: Node.js