This guide will introduce you to the Python decimal library and class – Python tools which allow you to accurately work with decimal numbers without the rounding and accuracy issues which frequently arise when working with floating point numbers. Computers Can’t Perform Accurate Arithmetic With… Read More »Using The Python decimal Class for Accurate Calculations
One of the most common things you will want to do with a variable is to print a string representation of it. That’s what the toString() method is for. This article will explain when and how you can use it. Converting to Strings Data is displayed on… Read More »The JavaScript toString() Method, Explained + Examples
This short tutorial will show you how to use the PHP sleep() and usleep() functions to pause script execution for a number of seconds/microseconds, and provide some code examples. The PHP sleep() and usleep() functions both pause execution of the script, but both behave a bit differently. Why Pause/Sleep PHP Script Execution? Delaying, sleeping, or… Read More »Using PHP sleep() and usleep() to Pause Execution [Examples]
This article will quickly walk you through how to comment your PHP code with single and multi-line comments. What is a Comment? A comment in programming is one or more lines of text that aren’t interpreted as programming instructions. Instead, the computer skips the commented lines when executing… Read More »How to Use Single/Multiline Comments in your PHP Code
This article will show you how a JavaScript while loop is constructed, and what it us used for, with code examples. While loops are one of the simplest kinds of loops, and appear in most programming languages. A while loop runs a block of code repeatedly, until a condition is… Read More »How to use the JavaScript ‘while’ Loop, With Examples
You’ve searched for ‘JavaScript Print’ – so you’re probably trying to output data to the console, to the webpage or to a printer. Here’s how to do all three. Printing to the Console with console.log() The JavaScript console.log() method prints data to the JavaScript console (visible in your browsers web inspector).… Read More »JavaScript Print – To the Console, WebPage, or a Printer [Examples]
This article will explain how to use escape characters to escape quotes in strings in the JavaScript programming language, with some examples. What is a String Variable in JavaScript? A string is a type of variable. It represents a series of zero or more characters. Other variable types… Read More »JavaScript Escape Quotes / Escape Strings [Examples]
This article will show you how a JavaScript do while loop is constructed, and what it us used for, with code examples. do while loops are one of the simplest kinds of loops, and appear in most programming languages. A do while loop runs a block of code repeatedly, until… Read More »How to Use the JavaScript ‘do while’ Loop, With Examples
This brief tutorial will show you two ways to convert JavaScript arrays to strings using the toString() and join() methods. What Are Arrays? An array is a data structure which holds multiple values. It’s like a numbered list – each item in the array has… Read More »How to Convert Array to String in JavaScript with toString() and join()
This short tutorial will show you how to use the JavaScript Array.shift() method to remove items from an array, and provide some code examples. JavaScript Arrays An array is a variable type which can hold zero or more values within it. Each value in an array has a position,… Read More »Array.shift() to Remove First Item from JavaScript Array [Examples]
