Combining types in output statements in C#
This tutorial shows you how you can combine types in a Console.WriteLine() output statement. For example, you can combine a string with an integer or float value. Watch the video …
Data types in Java
[glossary_exclude]A data type classifies various types of data eg. String, integer, float, boolean, the types of accepted values for that data type, operations that can be performed on the data …
Variables in Java
In this tutorial you will learn how to create variables in the Java programming language. Variables are used to store data in a program. A variable is like a ‘container’ …
Generating unique IDs and random strings in PHP
PHP functions covered in this tutorial: uniqid() md5() This tutorial explains how to create unique ID strings using the uniqid() function and random strings using the md5() function. Warning: The …
Array implode and explode functions in PHP
This tutorial shows how to use the implode and explode functions on arrays in PHP. The implode function is used to turn an array into a string, whereas the explode …
PHP string functions – substr_replace and str_replace
This tutorial explains how to use the substr_replace function to replace part of a string with something else. It also explains how to use the str_replace function to replace multiple …
PHP string functions – strtolower and strtoupper
This tutorial explains how to convert strings to uppercase and lowercase using the strtolower and strtoupper functions. These functions each take one argument – the string that needs to be …
PHP string functions – substr
The substr function is used to extract a portion of a string from a larger string. For example, substr can be used to extract a word from a sentence. This …
PHP string functions – strpos
In this tutorial you will learn how to use the strpos function to find occurrences of a string within another string and then return the position (index) of an occurrence of …
String length in PHP
This tutorial covers a few things about strings in PHP: the index of strings (each character has an index number) how to find the length of a string (how many …
Data types in PHP
This tutorial explains the range of data types that can be used in PHP including: String (letters, numbers and other characters – stored inside quotation marks) Integer (whole positive or negative numbers) Float (positive …
Data Types
This source code shows how create and use variables of different data types. Strings are text (letters, numbers and characters), integers are regular whole numbers (treated as numbers), and floats …
Variables and Data Types in JavaScript
In this second video from the beginners JavaScript tutorial series, you will learn how to create variables and work with strings, integers, and float data types in JavaScript. Variables are …