In this article on Getting Started With MongoDB, I will introduce a NoSQL database called MongoDB. Basically, it is a document-oriented database that is widely used in creating scalable web applications. Since it is a non-relational database, so it doesn’t contain rows and columns. Instead, it has document-oriented storage. We can create a database without …
Working With Directories in PHP
Working With Directories in PHP involves creating a directory, changing directories, listing the content of a directory, and also deleting a directory. PHP provides several in-built functions that enable us to perform operations on directories. The following section discusses some of these functions. Functions for Working With Directories in PHP To begin with, we create …
Performing File Operations in PHP
In this article, I will discuss Performing File Operations in PHP. Since file handling is an important feature in many applications. So, all programming languages offer a library of in-built functions for file handling. As a matter of fact, PHP provides a number of methods to create, read, and manipulate files and directories. The following …
A Brief Description of move_uploaded_file() Function in PHP
This article presents A Brief Description of move_uploaded_file() Function in PHP. For the purpose of uploading a file, we use the move_uploaded(_file() function. Basically, it takes two parameters as the input. While the first parameter indicates the name of the uploaded file. Similarly, the second parameter indicates the location to which the file needs to …
PHP Library Functions for Uploading Files
In fact, there are several PHP Library Functions for Uploading Files that we use in our script. The following section discusses these functions in brief. Brief Introduction to PHP Library Functions for Uploading Files file_exists() In order to find whether a file or directory exists or not we use this function. Before uploading a file, …
Example of Uploading Files in PHP
An Example of Uploading Files in PHP is shown here. Applications and Use of Uploading Files in PHP Because many dynamic applications provide features for users to upload files, it is one of the most essential functions of a web application. Significantly, many CMS (Content Management Systems) allows administrators to upload images as well as …
Understanding Cookies in PHP
As a matter of fact, understanding Cookies in PHP requires learning to use the setcookie() method. Cookies in PHP allow us to store a small amount of client information. In fact, cookies are very useful in tracking users. A website may want to know the navigation behavior of its users. So, cookies help website administrators …
Introduction to Android App Development
In this article on Introduction to Android App Development, I will discuss briefly about Android App Development and its origin. Actually, Android App Development started in the year 2007. Brief Introduction to Android App Development Basically, Android app development is the process of creating software applications that run on the Android operating system. So, it …
How to Use String Arrays in Java – Concept, and Examples
String Arrays in Java help us solve many programming problems that involve the use of a contiguous data structure such as arrays. A string array is nothing but an array containing strings as its elements. Basically, strings are objects in java and the string array is the array of immutable string objects. In order to …
Type Casting and Type Conversion in Java
Type Casting and Type Conversion in Java convert a variable of a specific type to another type. However, there is a difference between typecasting and type conversion. Type conversion always occurs automatically. The compiler performs it. As can be seen in the following example, type conversion may be successful or may not be. Examples of …