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Minimum Requirement of EPUB 3.0 File
What Is the minimum requirement of an EPUB 3.0 file? If you want to build an EPUB file that meets the minimum requirements of EPUB 3.0 specification, you need to prepare the following: 1. A text file called "mimetype" with one line listed below. It specifies the mimetype of an EPUB 3.0 book file. ap...
2018-11-17, ∼3591🔥, 0💬

Generating Character from ASCII Value in PHP
How To Generate a Character from an ASCII Value? If you want to generate characters from ASCII values, you can use the chr() function. chr() takes the ASCII value in decimal format and returns the character represented by the ASCII value. chr() complements ord(). Here is a PHP script on how to use c...
2016-10-13, ∼3582🔥, 0💬

Add Operation to API on Publisher Portal - 2017 Version
How to add a new operation to an API on the Publisher Portal of an Azure API Management Service 2017 version? You can follow this tutorial to add a new operation to an API on the Publisher Portal of an Azure API Management Service. 1. Click API from the left menu on the Publisher Portal. You see the...
2018-07-18, ∼3581🔥, 0💬

View RSS Feeds with Chrome Extension
How to View RSS Feeds with Google Chrome? I have the "RSS Subscription Extension" installed. If you have the "RSS Subscription Extension" installed. you can follow this tutorial to view RSS Feeds: 1. Launch Google Chrome 60. 2. Enter the following in the URL input box: http://dev.fyicenter.com/rss_x ...
2017-11-02, ∼3580🔥, 0💬

Azure AD v2 id_token Decoded Example
Where to find an Azure AD v2.0 id_token decoded example? Here is an example of an "id_token" value returned from Azure AD v2.0 after Base64URL decoded: Header = { "typ": "JWT", "alg": "RS256", "kid": "1LTMzakihiRla_8z2BEJVXeWMqo" } Body = { "ver": "2.0", "iss": "https://login.microsoftonline .com/918...
2019-04-03, ∼3578🔥, 0💬

Introduction of XHTML 1.0
Where to find tutorials in understanding what is XHTML 1.0? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in understanding what is XHTML 1.0. Clear answers are provided for frequently asked questions on what is XHTML 1.0; who developed XHTML 1.0...
2024-03-17, ∼3576🔥, 0💬

Remove Trailing New Line Character in PHP
How To Remove the New Line Character from the End of a Text Line? If you are using fgets() to read a line from a text file, you may want to use the chop() function to remove the new line character from the end of the line as shown in this PHP script: &lt;?php $handle = fopen("/tmp/inputfile.txt"...
2016-10-13, ∼3576🔥, 0💬

HTML http-equiv 'meta' Tag/Element
What Is an HTML http-equiv "meta" Tag/Element? a http-equiv "meta" element is a special "meta" element that provides information equivalent to HTTP headers. A http-equiv "meta" element must include the "http-equiv" attribute as, http-equiv="Content-Type". Here is some good examples: &lt;meta htt...
2017-06-23, ∼3566🔥, 0💬

EPUB 2.0 Picture Cover Page
How to add a cover page to an EPUB 2.0 book? EPUB 2.0 does not offer any special specification to define a cover page. So the first page of book content is the cover of the book. If you don't want the cover page (the first page in "spine" list) to show up in the linear reading flow, you can use the ...
2019-01-12, ∼3564🔥, 0💬

What Is EPUB 3.1 Specification
What Is EPUB 3.1 Specification? EPUB 3.1 Specification is the 3.1 version of EPUB specification. EPUB 3.1 Specification was developed pursuant to a charter approved by the IDPF Membership in July, 2015, and approved by the IDPF membership as a final Recommended Specification effective January 5, 201...
2018-06-27, ∼3563🔥, 0💬

Relation between HTML and HTTP
What Is the relation between HTML and HTTP? HTTP (HyperText Transfer Protocol) is an Internet communication protocol, that allows a viewer's computer talking to a publisher's computer to fetch HTML documents and other resources. The viewer's computer issues a HTTP request message to the publisher co...
2024-02-09, ∼3559🔥, 2💬

id_token Online Decode Tool
Is there any online tool to decode an id_token string? There are several good online tools you can use to decode an id_token string. For example, go to jwt.io . Copy and paste your id_token string in the input box on left, for example: eyJhbGciOiJIUzI1NiIsInR5cCI6Ik pXVCJ9.eyJuYW1lIjoiSm9lIERvZSIsIm...
2021-06-20, ∼3559🔥, 0💬

"fabric-ca-client enroll" Error - "Failed to insert"
Why am I getting the "Certificate signing failure: Failed to insert record into database: attempt to write a readonly database" error, when running the "fabric-ca-client enroll" command? If the Fabric CA Server is not able to update its database, you will get the "Certificate signing failure: Failed...
2019-09-27, ∼3559🔥, 0💬

Creating a Directory in PHP
How To Create a Directory in PHP? You can use the mkdir() function to create a directory. Here is a PHP script example on how to use mkdir(): &lt;?php if (file_exists("/temp/download") ){ print("Directory already exists.\n"); } else { mkdir("/temp/download"); print("Directory created.\n"); } ?&a...
2016-11-24, ∼3558🔥, 0💬

Setting session.gc_maxlifetime Properly in PHP
How To Set session.gc_maxlifetime Properly in PHP? As you know that session.gc_maxlifetime is the session value timeout period. You should set this value based on the usage pattern of your visitors. Here are some suggestions: # Set it to 20 minutes for a normal Web site: session.gc_maxlifetime = 120...
2016-10-24, ∼3555🔥, 0💬

Default File Name of a URL
What Happens If File Name is Missing in a URL? If the file name part is missing in a URL, the one of the following two rules will be used. 1. If a URL has no file name, but a path name is given, the browser will let the hosting computer to supply the default file name. On most hosting computers, the...
2017-07-07, ∼3553🔥, 0💬

EPUB 2.0 Metadata in Calibre Book Library
How to view EPUB 2.0 metadata in Calibre book Library? You can follow this tutorial to view EPUB 2.0 metadata in Calibre book library. 1. Click Row-Your-Boat-2.0.epub to download this sample EPUB 2.0 book. 2. Unzip and open package.opf. You see the following metadata elements: &lt;package xmlns=...
2019-01-12, ∼3552🔥, 0💬

What Is EPUB 2.0 Specification
What Is EPUB 2.0 Specification? EPUB 2.0.1 Specification is the 2.0.1 version of EPUB specification. EPUB 2.0.1 Specification was a maintenance release of EPUB 2. Its development was chartered in 2009, and the final standard was approved by the IDPF Membership as a Recommended Specification in May, ...
2023-05-09, ∼3550🔥, 0💬

Download and Install Calibre for Windows
How to Download and Install Calibre for Windows? You can follow this tutorial to download and install Calibre for your Windows computer. 1. Go to Calibre download site . 2. Click "Windows" icon. You see Calibre for Windows download page. 3. Click "Download calibre" link. You see download started. 4....
2018-08-06, ∼3550🔥, 0💬

Write Minimum Atom 1.0 Feed File
How to write a Minimum Atom 1.0 Feed File? If you want your Website to support a minimum Atom 1.0 feed, you can follow this tutorial. 1. First create a file called "atom.xml" with the following content: &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;feed xmlns="http://www.w3.org/2005/ A...
2017-12-13, ∼3544🔥, 0💬

Joining Keys and Values into an Array in PHP
How To Join a List of Keys with a List of Values into an Array in PHP? If you have a list keys and a list of values stored separately in two arrays, you can join them into a single array using the array_combine() function. It will make the values of the first array to be the keys of the resulting ar...
2017-01-11, ∼3543🔥, 0💬

View EPUB 3.0 Metadata List with Calibre
How to see more EPUB 3.0 metadata list with Calibre? You can follow this tutorial to view EPUB 3.0 metadata list with Calibre. 1. Click Row-Your-Boat-3.0.epub to download this sample EPUB 3.0 book. 2. Add Row-Your-Boat-3.0.epub to Calibre book library. You see some EPUB 3.0 metadata displayed below ...
2018-04-28, ∼3541🔥, 0💬

"MyLib.vb" - VB Class and Library
How to create a VB class and build it into a library? If you want to create a VB class and build it into a library, you can follow this tutorial: 1. Create the class source code file, MyLib.vb, with a text editor: ' MyLib.vb ' Copyright (c) FYIcenter.com Public Class MyLib Public Shared Sub PrintHel...
2017-08-13, ∼3540🔥, 0💬

The Opening Tag of an HTML Element
How To Write the Opening Tag of an HTML Element? When you are writing an HTML element, you must start with its opening tag, which contains the name of the element and attributes if needed. The opening tag is enclosed in a pair of angle brackets: "&lt;" and "&gt;". HTML element names are pred...
2024-03-23, ∼3539🔥, 0💬

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