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Randomly Retrieving Array Values in PHP
How To Randomly Retrieve a Value from an Array in PHP? If you have a list of favorite greeting messages, and want to randomly select one of them to be used in an email, you can use the array_rand() function. Here is a PHP example script: &lt;?php $array = array("Hello!", "Hi!", "Allo!", "Hallo!"...
2017-01-11, ∼3063🔥, 0💬

HTML 'sub' and 'sup' Tag/Element
What Are HTML "sub" and "sup" Tags/Elements? "sub" and "sup" elements are inline elements that you can use to specify text to be treated as subscript and superscript respectively. Here are basic rules about "sub" and "sup" elements: "sub" and "sup" elements are inline elements. "sub" and "sup" eleme...
2017-04-28, ∼3062🔥, 0💬

Joining Multiple Strings in PHP
How To Join Multiple Strings into a Single String? If you multiple strings stored in an array, you can join them together into a single string with a given delimiter by using the implode() function. Here is a PHP script on how to use implode(): &lt;?php $date = array('01', '01', '2006'); $keys =...
2016-10-13, ∼3062🔥, 0💬

Introduction of EPUB 3.0 Specification
Where to find tutorials on introduction of EPUB 3.0 Specification? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on introduction of EPUB 3.0 Specification. What Is EPUB 3.0 Specification Minimum Requirement of EPUB 3.0 File Hello-3.0.epub - "mim...
2018-11-17, ∼3060🔥, 0💬

Policy to Control Backend Service
Where to find tutorials on creating Policy to control backend service on Azure API Management Policy? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on creating Policy to control backend service on Azure API Management Policy. 'set-backend-servic...
2017-12-04, ∼3058🔥, 0💬

Counting the Number of Characters in PHP
How To Count the Number of Characters in a String? You can use the "strlen()" function to count the number of characters in a string. Here is a PHP script example of strlen(): &lt;?php print(strlen('It\'s Friday!')); ?&gt; This script will print: 12     ⇒ Ways to Remove Leading and Trailing...
2016-10-13, ∼3055🔥, 0💬

Supporting a Multiple-Page Form in PHP
How To Support Multiple-Page Forms in PHP? If you have a long form with a lots of fields, you may want to divide the fields into multiple groups and present multiple pages with one group of fields on one page. This makes the a long form more user-friendly. However, this requires you to write good sc...
2016-11-05, ∼3048🔥, 0💬

'xml-to-json' on Invalid XML
What will happen if "xml-to-json" policy statement is applied on an invalid XML document? If you apply the "xml-to-json" policy statement on the request or response body that has an invalid XML document, you will not receive any errors. What you will get is a string that looks like a corrupted XML d...
2017-11-12, ∼3047🔥, 0💬

EPUB 3.0 Metadata - dc:date Element
What is EPUB 3.0 Metadata "dc:date" Element? EPUB 3.0 Metadata "dc:date" is an optional metadata element to specify the publishing date of the EPUB 3.0 book. When using "dc:date" metadata element, you should follow the ISO 8601 standard specify a date, a date and time, or a full timestamp. For examp...
2018-04-28, ∼3046🔥, 0💬

Register Azure AD B2C as a Google Application
How to register Azure AD B2C as Google client application? I want Google users to be able to login to my Azure AD B2C applications. If want Google users to be able to login to your Azure AD B2C applications, you need to register Azure AD B2C as Google client application: 1. Sign in to the Google Dev...
2019-03-08, ∼3044🔥, 0💬

View EPUB 2.0 Metadata List with Calibre
How to see more EPUB 2.0 metadata list with Calibre? You can follow this tutorial to view EPUB 2.0 metadata list with Calibre. 1. Click Row-Your-Boat-2.0.epub to download this sample EPUB 2.0 book. 2. Add Row-Your-Boat-2.0.epub to Calibre book library. You see some EPUB 2.0 metadata displayed below ...
2019-01-12, ∼3040🔥, 0💬

HTML Elements with Sub-elements Contents
What Are the HTML Elements Defined with Sub-elements Contents? The following HTML elements are defined to use the sub-element content model: &lt;html&gt; - The root element of the document. &lt;head&gt; - Element to provide head information to the document. &lt;ul&gt; - Eleme...
2024-04-14, ∼3036🔥, 0💬

What Is Python Module 'sys'
What Is Python module "sys"? "sys" is a Python internal module that provides access to some variables used or maintained by the interpreter and to functions that interact strongly with the interpreter. Here are some important properties and functions provided by the "sys" module: &gt;&gt;&am...
2018-11-11, ∼3035🔥, 0💬

Specifying Domain and Path for a Cookie in PHP
How To Specify Domain and Path for a Cookie in PHP? If you want to specify domain and path for cookie, you can use the setcookie() function with two extra parameters. The sample PHP script below shows you how to set the domain and path attributes for temporary and persistent cookies: &lt;?php se...
2016-11-03, ∼3035🔥, 0💬

Cookies Encoded during Transportation in PHP
How Are Cookies Encoded During Transportation in PHP? When cookies are transported from servers to browsers and from browsers back to servers, Cookies values are always encoded using the URL encoding standard to ensure that they are transported accurately. But you don't need to worry about the encod...
2016-10-29, ∼3033🔥, 0💬

HTML Tags in Atom "feed/entry/summary"
How to enter HTML Tags in Atom "feed/entry/summary"? In most cases, the "feed/entry/summary" XML element should contain a text string describing the Atom feed entry without HTML tags. But sometimes, you would like to include HTML tags in the "feed/entry/summary" XML element, to provide images and hy...
2018-01-06, ∼3030🔥, 0💬

3Pigs4-3.0.epub - Cover Image and Page
How to add a cover image to my EPUB books If you want to add a cover image to your EPUB 3.1 book, you should consider to two related components: Cover Image - An image file that is specified as the Cover Image of the book. Cover Page - An XHTML content file that is displayed as part of the book cont...
2018-08-14, ∼3029🔥, 0💬

Installing PHP for Windows
How To Download and Install PHP for Windows? The best way to download and install PHP on Windows systems is to: Go to http://www.php.net, which is the official Web site for PHP. Download PHP binary version for Windows in ZIP format. Unzip the downloaded file into a directory. You are done. No need t...
2016-10-13, ∼3024🔥, 0💬

json_encode() - PHP Associative Array to JSON Object
How to convert PHP Associative Arrays to JSON Objects using the json_encode() function? Actually in PHP, all arrays are associative arrays. If you create an array with regular array syntax and functions, PHP actually stores it as an associative array with the index number assigned to each elements a...
2023-08-17, ∼3022🔥, 0💬

"MyLibApp.cpp" - Call C++ Class from Static Library
How to call a function from a C++ class provided in a static library? If you want to call a function from a C++ class provided in a static library, you can follow this tutorial: 1. Specify the namespace of the C++ class: using namespace fyi; 2. Reference the function with the class name prefix: MyLi...
2023-06-19, ∼3022🔥, 0💬

Hello-3.0.epub - Content File: content.xhtml
How to create a content file like content.xhtml for an EPUB 3.0 book? At least one content file, like content.xhtml, is required for an EPUB 3.0 book in the book ZIP container. It provides the content of the book. Here is the requirement on a content file: 1. A content file must be named with .xhtml...
2018-11-29, ∼3019🔥, 0💬

VB Command Line Compiler in Visual Studio 2017
How to use the VB command line compiler provided by Visual Studio 2017? If you want to use the compile your VB code from the command line, you can follow this tutorial to use the VB command line compiler provided in Visual Studio 2017: 1. Create a simple VB console application program, Hello.vb: Mod...
2023-04-25, ∼3018🔥, 0💬

Understanding and Managing Cookies in PHP
Where to find tutorials on how to manage Cookies in PHP? A collection of tutorials to answer many frequently asked questions how to manage Cookies in PHP. Clear explanations and tutorial exercises are provided on setting and receiving cookies, creating and removing persistent cookies, specifying dom...
2016-11-05, ∼3016🔥, 0💬

What Is Simple EPUB Reader
What Is Simple EPUB Reader? Simple EPUB Reader is a Chrome App which lets you read EPUB-files. You can follow this tutorial to download and install Simple EPUB Reader on Windows systems. 1. Run Chrome Web browser and go to Simple EPUB Reader in Google Chrome Webstore . 2. Click "ADD TO CHROME". You ...
2019-01-01, ∼3015🔥, 0💬

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