Tapas Pal

Introduction CAPTCHA (Completely Automated Public Turing test to Tell Computers and Humans Apart) is a security check to distinguish between humans and computers. Computers or bots are not capable of solving a Captcha problem. Captcha is automatically generated with a random string. Generally, Captcha is generated by using an image with text/numbers or combination of […]

.NET WeakReference Example The .NET WeakReference Class represents a weak reference, which references an object while still allowing that object to be reclaimed by garbage collection. Now, let’s see an example. Create a console application from Visual Studio and name it MyWeakReference. Create a WeakReference object and pass an object reference to the constructor call. […]

Introduction JSON Schema is a specification for validating structure-based, JSON-formatted data. JSON Schema is very similar to a grammar of some languages; it defines what data are permitted and which are not permitted. It’s a vocabulary that allows developers to annotate and validate JSON documents. It ensures the quality of submitted JSON data by a […]

Introduction QR stands for Quick Response; it’s a type of two-dimensional barcode that is used to store small amounts of text or data. It was created by the Japanese corporation Denso-Wave and aims to decode contents at high speed. Nowadays, QR Codes are used in mobile phones that can use the contents of QR Codes […]

Introduction Caching is a technique for performance enhancements, especially when user interface interaction, with application speed, needs to be increased. It’s also a state management strategy that helps you reduce the consumption of resources. There are several caching frameworks available, but in this article I will share information about Redis Cache, a noSQL caching technique […]

Introduction During application development, we have to adopt a manageable strategy for handling errors to keep the user’s experience pleasant and consistent. Microsoft .NET provides a list of best practices and guidelines to follow for writing less lines of code and effectively manage error and exception handling with more a logical approach of coding and […]

Introduction During the development phase, developers check out and check in source code every day. Sometimes, the source code checkout task to a local repository could be automatically executed by a job. Automation of these activities will help to automate code setup in the developer’s machine or the build process of an application. In this […]

Introduction Embedding Video Players using pure HTML5 video technology can enhance Web page aesthetics and overall user experience. YouTube is the most popular video sharing websites in the world. That’s why, as with many popular Google services, YouTube also has a Data API. The YouTube API allows developers to interact with this service. By using […]

Introduction JSON (JavaScript Object Notation) is a lightweight data interchanging format. It’s based on a subset of the JavaScript language. JSON is a text format and it is completely language independent. JSON is easy for humans to read and write, and it’s easy for code to parse and generate. It’s an alternative to XML, natively […]

Many of us have faced issues while sharing a URL with others because it’s too long to be shared in its original form. Such long URLs affect the readability and flow of your message. URL shortening is a technique by which a Uniform Resource Locator (URL) is made substantially shorter in length, which is easily […]