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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, ∼3210🔥, 0💬

Creating a Database Table to Store Files in PHP
How To Create a Table To Store Files in PHP? If you using MySQL database and want to store files in database, you need to create BLOB columns, which can holds up to 65,535 characters. Here is a sample script that creates a table with a BLOB column to be used to store uploaded files: &lt;?php $co... 2016-10-14, ∼3209🔥, 0💬

Validate EPUB 3.1 Book with EpubCheck 4.0.2
Why I am getting error when validating EPUB 3.1 book with EpubCheck 4.0.2? EpubCheck 4.0.2 does not support EPUB 3.1 books. If you try to validate an EPUB 3.1 book file, you will get the "Version not supported" error. For example, you can download this EPUB 3.1 book file, Hello-3.1.epub . Then try t... 2018-06-06, ∼3205🔥, 0💬

Domain and Path Attributes for Cookies in PHP
What Are Domain and Path Attributes for Cookies in PHP? Cookies can also be defined with two other attributes: Domain - A cookie attribute that defines the domain name of Web servers where this cookie is valid. Web browsers holding this cookie should not sent it back to any Web server outside the sp... 2016-11-03, ∼3205🔥, 0💬

Defining a HTML Bookmark
How To Define a Bookmark? A bookmark is a named reference point in an HTML document. If a bookmark can be included in the URL that represents this document, the browser will automatically move the display window to the reference point as soon as the document is open. If you want to define a bookmark... 2017-07-15, ∼3200🔥, 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, ∼3199🔥, 0💬

Viewing the Content of a Cookie File in PHP
How to View the Content of a Cookie File in PHP? Cookie files are normal text files. You can view them with any text editor. Follow the steps below to see what is in a cookie file created by your own PHP script. Copy the following sample script, setting_persistent_cookies.php ,to your Web server: &a... 2016-10-30, ∼3199🔥, 0💬

EPUB 3.0 Metadata in Calibre Book Library
How to view EPUB 3.0 metadata in Calibre book Library? You can follow this tutorial to view EPUB 3.0 metadata in Calibre book library. 1. Click Row-Your-Boat-3.0.epub to download this sample EPUB 3.0 book. 2. Unzip and open package.opf. You see the following metadata elements: &lt;package xmlns=... 2018-04-28, ∼3197🔥, 0💬

What Is OpenID
What Is OpenID? OpenID is a decentralized user authentication protocol developed by the OpenID Foundation. OpenID allows users to be authenticated to a Website using a third-party identify management service. In other words, OpenID is a SSO (Single-Sign-On) technology. As SSO technology, OpenID offe... 2019-01-20, ∼3194🔥, 0💬

WPF App with VB Code in Visual Studio 2017
How to build a WPF application with VB code to control its behavior in Visual Studio 2017? After you have created your WPF application with XAML to define its UI elements, you can follow this tutorial to add VB code to control its behavior in Visual Studio 2017: 1. Create a "WPF App (.NET Framework)... 2023-09-16, ∼3193🔥, 0💬

3Pigs4-3.1.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... 2018-12-26, ∼3193🔥, 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, ∼3192🔥, 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, ∼3191🔥, 0💬

Adobe Digital Editions Failed to Open EPUB
Why Adobe Digital Editions fails to open an EPUB book file? "Adobe Digital Editions 4.5.7" does not work on Windows 7 computers. For example, Run "Adobe Digital Editions" on Windows 7 computer. You the start screen. 2. Click "Getting Started with Adobe Digital Edition" EPUB book. You see the followi... 2019-01-01, ∼3188🔥, 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, ∼3187🔥, 0💬

"MyLibApp.vb" - Call VB Class from Library
How to call a function from a VB class provided in a library? If you want to call a function from a VB class provided in a library, you can follow this tutorial: 1. Reference the shared function with the class name prefix: MyLib.PrintHello(); 2. See the following full source code example, MyLibApp.v... 2017-08-13, ∼3182🔥, 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, ∼3180🔥, 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, ∼3180🔥, 0💬

3Pigs5-3.0.epub - Title Page and TOC
How to add a title page and a table of content page to my EPUB book? If you want to add a title page and a table of content page to your EPUB 3.1 book, you can follow this tutorial. 1. Create a title page in an XHTML file like Title-Page.xhtml: &lt;?xml version="1.0" encoding="utf-8"?&gt; &a... 2018-08-14, ∼3178🔥, 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, ∼3178🔥, 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, ∼3176🔥, 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, ∼3176🔥, 0💬

Converting Numbers to Strings in PHP
How To Convert Numbers to Strings? In a string context, PHP will automatically convert any numeric value to a string. Here is a PHP script examples: &lt;?php print(-1.3e3); print("\n"); print(strlen(-1.3e3)); print("\n"); print("Price = $" . 99.99 . "\n"); print(1 . " + " . 2 . " = " . 1+2 . "\n... 2016-10-13, ∼3174🔥, 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, ∼3170🔥, 0💬

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Blockchain Container EPUB General HTML JSON Microsoft Node.js PHP Python RSS Tools Visual Studio Web