Software Engineering

Learn everything about Functions in JavaScript

In this article, you will learn to use functions in JavaScript, how to pass functions as parameters or assign them to variables? and different types of functions like callback and arrow

Function Pointer in C++

A pointer is a variable that holds the address of another variable. Function pointers are similar and they point to functions. In this article, you will learn What is a function pointer and how to use it? and How to pass a function as an argument to another function?

Software Engineering

Using CSS Selectors to work with specific HTML elements

CSS Selectors are used to define the element(s) to which a particular set of CSS rules should be applied. The following article will take you through different selectors like class selector, attribute selectors, and selector combinations etc.

Software Engineering

Learn to use Dask Dataframes

Dask DataFrame is composed of many smaller Pandas DataFrames that are split row-wise along the index. An operation on a single Dask DataFrame triggers many operations on the Pandas DataFrames that constitutes it.

Software Engineering

Understand and use Static members in Java

In this article, you will learn What are static members in Java?, When to use them? and When they can be a problem? Static means only one copy exists for the entire class irrespective of the number of objects that exists for that class.

Software Engineering

Understanding and using Access Specifiers in Java

Access specifiers are utilities/ code features that restrict the access to a particular code feature or data depending upon the source of the code requesting the access. In Java, they are private, public, protected and default.

Software Engineering

Understanding Encapsulation in Java

Encapsulation is an object oriented programming (OOP) implementation technique where we are related data members in a single unit (class) and define member functions to allow indirect and restricted control from the user side.

Software Engineering

Understanding Classes and objects in Java

You will understand Why we need classes?, How to define and use classes in Java?, Structure of classes in Java along with constructors and access specifiers, How to use objects in Java? and Characteristics and attributes of objects along with comparing two objects

Software Engineering

Understanding and working with Third Party Cookies

In this article, you will learn what are third party cookies and how it works?, Cookie profiling, its concern and comparison of third party cookie with first party cookie and a demonstration to build your own page with a third party cookie

Software Engineering

Understanding and working with Cookies

In this article, you will understand the basic idea of cookies, different types of cookies like third party and persistent, how to set, get and delete cookies in JavaScript?, how to view cookies? and how the World looks at it? and a demo to understand the inner workings of cookies

Software Engineering

Web workers and its API: Run intensive tasks in the background

In some situations where javascript has to run big loops, the browser may prompt error messages. The situation explained above can be handled using Web Workers, who will do all the computationally expensive tasks without interrupting the user interface and typically run on separate threads.

Software Engineering

Page Visibility API: Know when a user is on your page

it was impossible for developers to specify the code that can be executed under any case of unloading a page. In order to solve this problem, Page Visibility API was introduced. The API will listen to any visible change of the page under all the cases, regardless of that, it's on phone or desktop.

Software Engineering

Working with device location using HTML Geolocation API

HTML Geolocation API is used to get the current position of the user. The Geolocation API is used using the navigator.geolocation object.The Geolocation interface represents an object able to programmatically obtain the position of the device.

Software Engineering

Working with HTTP requests in Python

The internet is made up of a bunch of resources hosted on different servers and interact using HTTP. What is HTTP and how it works? Working with different HTTP requests in Python using the requests library Understanding the information that web resources interact with and use it programmatically

Software Engineering

Understanding and working with Memset in C

memset is a memory utility in C which is used to set a particular value to a range of memory locations in an efficient way. On going through this article, you will understand How to use memset? and Why performance of memset is better than a simple implementation?

Software Engineering

Working with Typedef in C

typedef is a keyword in C programming language,which stands for type definition. How to use typedef? Why and when to use typedef? Difference between typedef and define

Software Engineering

boolean (bool or _Bool) datatype in C

C programming language (from C99) supports Boolean data type (bool) and internally, it was referred as `_Bool` as boolean was not a datatype in early versions of C. In C, boolean is known as bool data type. To use boolean, a header file stdbool.h must be included to use bool in C.

Software Engineering

Working with character (char) in C

C uses char type to store characters and letters. However, the char type is integer type because underneath C stores integer numbers instead of characters. Characters supported by a computing system depends on the encoding supported by the system.

Software Engineering

Reading Data from Files in Java

We will explore 5 different ways of reading files in Java BufferedReader, Scanner, StreamTokenizer, FileChannel and DataInputStream. What is the role of encodings like UTF-8 in reading data in Java? Exception/ Errors you may encounter while reading files in Java

Software Engineering

Working with Clipboard API and events in HTML

The Clipboard API provides a way to hook into the common clipboard operations of cutting, copying and pasting so that web application can adjust the clipboard data as required. There are two ways we can interact with the system clipboard Document.execCommand() and asynchronous Clipboard API

Software Engineering

Working with images in HTML

Images can be inserted into our HTML page using tag. The tag is an empty tag, which means that it does not have a closing tag. We can insert parameters of the element using various attributes like src, alt, height and width.

Software Engineering

Creating and resolving Deadlocks in Java

The term Deadlock refers to a situation in multithreading, where two or more threads are blocked forever, waiting for each other. In Java, we use synchronized keyword to make the class or method thread-safe.The keyword ensures that only one thread can access the resource at a given point of time.

Software Engineering

Variables and Datatypes in Kotlin

In this article, you will learn How to declare variable in Koltin?, How kotlin infers the type of variables? and How to work with various data types?

Software Engineering

Working with history object of HTML DOM

The browsers history is present in the history object. We can use the window part (window.history) or just simply history. It contains an array of URLs or links visited by the user.

Software Engineering

Docstrings in Python

Docstrings in Python like comments provide us a convenient way of associating documentation to the source code. Docstrings are not stripped but are retained through out the runtime of the program. They specify what the function does not how it does. Docstrings are used in functions, classes