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Determining If a Session Is New in PHP
How To Determine If a Session Is New in PHP? There is not direct way to tell if a session is new or old. But you can design your site to have a required session value in all sessions. Then you can check the existence of this value in a session to determine if it is a new session by isset($_SESSION['... 2016-10-24, ∼2472🔥, 0💬

What Is Distributed Ledger
What Is distributed ledger? A distributed ledger, also called Distributed Ledger Technology (DLT), is a consensus of replicated, shared, and synchronized data storage based the blockchain technology. The Distributed Ledger Technology can be used to change the way we do business today in many areas. ... 2023-03-28, ∼2469🔥, 0💬

Add Google as Identity Provider on Azure AD B2C
How to add Google as an identity provider to my Azure AD B2C account? I have registered Azure AD B2C as a Google client application. After you have registered Azure AD B2C as a Google client application, and recorded the "Client ID" and "Client Secret", you can now add Google as an identity provider... 2019-03-08, ∼2469🔥, 0💬

Generating a Form in PHP
How To Generate a Form in PHP? Generating a form seems to be easy. You can use PHP output statements to generate the required &lt;FORM&gt; tag and other input tags. But you should consider to organized your input fields in a table to make your form looks good on the screen. The PHP script be... 2016-11-17, ∼2466🔥, 0💬

JSON Type Metadata
How to add documentation information to a JSON type with metadata? You can add documentation information to a JSON type with there metadata properties: "title" - Takes a JSON string as a short description for this JSON type. "description" - Takes a JSON string as a long description for this JSON typ... 2023-07-08, ∼2464🔥, 0💬

What Is Python Module 're'
What Is Python module "re"? "re" is a Python internal module that provides regular expression matching and replacement operations similar to those found in Perl. Here are some important properties and functions provided by the "re" module: &gt;&gt;&gt; import re &gt;&gt;&gt; ... 2018-10-19, ∼2462🔥, 0💬

RSS and Atom Aggregator on Windows
What Is an RSS and Atom Aggregator on Windows? A Windows RSS aggregator is a special RSS aggregator that you have download and install it on your Windows computer. Examples of Windows RSS aggregators are: FeedReader - A free open-source desktop aggregator that supports RSS and Atom formats. FeedRead... 2017-10-08, ∼2462🔥, 0💬

Query CouchDB Container API Directly
How to query CouchDB Container API directly? If you are running BYFN (Build Your First Network) with the CouchDB option, the World State of each peer node is stored a CouchDB server running as Docker container. The CouchDB server supports a REST API interface at the local port 4369, which is mapped ... 2020-06-08, ∼2459🔥, 0💬

Install Atom Feed on Website
How To Install Atom Feed on Website to Tell Visitors That You Have Atom Syndication Feeds? There are several ways you can tell your visitors that you have Atom syndication feeds available on your Web site: Showing your syndication feed URLs as hyper links with the Atom syndication icon. Adding a &am... 2017-12-13, ∼2459🔥, 0💬

HTML 'hr' Tags/Elements
What Are "hr" Tags/Elements? A "hr" element is a block level element that can be used directly as a sub-element in the body element. You can use "hr" elements to specify horizontal rulers. Here are basic rules about "hr" elements: "hr" elements can only have empty contents. "hr" elements are block e... 2017-08-03, ∼2457🔥, 0💬

What Are HTML List Elements
What Are HTML List Elements? HTML offers 3 list elements: "ol" - Ordered List: A list of items with leading sequential numbers. "ul" - Unordered List: A list of items with leading bullets. "dl" - Definition List: A list of items with leading terms. Here are some generic rules about list elements: Li... 2017-06-16, ∼2456🔥, 0💬

Create "Add to Bloglines" Button
How To Create an "Add to Bloglines" Button on Your Website? If you want to create an "Add to Bloglines" button your own Web site, you can follow this tutorial: 1. Create an RSS Atom 1.0 feed file for your site, and make it accessible with a URL. If the feed file is generated dynamically, take the UR... 2017-09-24, ∼2455🔥, 0💬

Tools for Writing XHTML 1.0 Documents
What Tools can I Use to Write XHTML 1.0 Documents? The basic tool you need to write XHTML documents is any text editor, like notepad on Windows system, or vi on Unix system. If you are looking for some advanced tools to help you writing XHTML documents, you can select any one from the following thre... 2023-11-02, ∼2453🔥, 0💬

Register Azure AD B2C Application
How to register my application as an Azure AD B2C application in my Azure AD B2C account? If you want to register an application as an Azure AD B2C application in your Azure AD B2C account, your application should be: Able to allow users who are members and their identities are managed locally in th... 2019-03-08, ∼2451🔥, 0💬

Introduction of HTML
Where to find tutorials in understanding what is HTML? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in understanding what is HTML. Clear answers are provided for frequently asked questions on what is HTML, HTML5, XHTML, Web, HTTP, XML, URL, URI... 2017-02-20, ∼2449🔥, 0💬

Ampersand Sign in HTML Attribute Values
How To Write Ampersand Sign in Attribute Values? If you need enter an ampersand sign in an attribute value, you can not enter it directly. You must replace it with entity: &amp;amp;. Here are some interesting examples of quoted attribute values: &lt;img src="tt.gif" alt="Tutorials &amp;a... 2023-09-23, ∼2448🔥, 0💬

Accessing the HTTP Request Object
How to access the HTTP request from the HTTP response object? I want to see what was actually delivered to the server. To see what was actually delivered to the server, you can take the "request" property of the response object: &gt;&gt;&gt; r = requests.post() &gt;&gt;&gt; q... 2018-08-14, ∼2447🔥, 0💬

json_decode() - JSON to PHP Data Type Mapping
How data types are mapped from the JSON text string to the PHP variable when calling json_decode() function? Data types are mapped from the JSON text string to the PHP variable based on the following table, when calling json_decode() function: JSON Data Type &gt; PHP Data Type -------------- &am... 2023-02-28, ∼2444🔥, 0💬

HTML Tag and Attribute Syntax
Where to find tutorials of introduction to HTML tag and attribute Syntax? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in introduction to HTML tag and attribute Syntax. Clear answers are provided with tutorial exercises on XHTML elements, openi... 2023-11-02, ∼2439🔥, 0💬

Mapping JSON Values to XML Elements
What is the standard to map JSON values to XML elements? There seems to be no industry standard on how to map JSON values to XML elements. But there are some commonly used conventions: 1. Automatically adding a root element with "root" or "document" as the element tag. For example: JSON: { "a": 1, "... 2023-07-11, ∼2439🔥, 0💬

Top Level Structure of XHTML5 Documents
What is the Top Level Structure of an XHTML5 Document? An XHTML5 document is the XML serialization format of an HTML5 document. The top level structure of an XHTML5 document consists of three parts: XML processing instruction - Provides XML version information and character set declaration. Document... 2024-03-17, ∼2435🔥, 0💬

Atom "feed/author" Element
What is the Atom "feed/author" element? How To Generate a "feed/author" element? The &lt;author&gt; element is not a required sub-element of the &lt;feed&gt; element. However, it is required to have a feed author element, if one of the feed entries does not have an author element. Th... 2017-11-29, ∼2430🔥, 0💬

'urllib' Module - Internet Communication
Where to find tutorials on Python "urllib" Module? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Python "urllib" Module. What Is Python Module 'urllib' Sending an HTTP Request with 'urllib.request' http.client.HTTPResponse Objects HTTP POST w... 2018-09-24, ∼2428🔥, 0💬

Attributes Required by HTML Elements
What Is a Required Attribute in an HTML element? A required attribute is an attribute required by the HTML element. When you write an HTML element, you must include all attributes required by this element in the opening tag. Optional attributes can be omitted in the opening tag. Here are some exampl... 2023-09-26, ∼2427🔥, 1💬

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