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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, ∼2136🔥, 0💬

Verifying If a Key Exists in an Array in PHP
How Do You Know If a Key Is Defined in an Array in PHP? There are two functions can be used to test if a key is defined in an array or not: array_key_exists($key, $array) - Returns true if the $key is defined in $array. isset($array[$key]) - Returns true if the $key is defined in $array. Here is a P... 2017-01-29, ∼2134🔥, 0💬

Create "Add to Google Reader" Button
How To Create an "Add to Google Reader" Button on Your Website? If you want to create an "Add to Google Reader" 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, tak... 2017-09-24, ∼2133🔥, 0💬

Retrieving the Original Query String in PHP
How To Retrieve the Original Query String in PHP? If you have coded some values in the URL without using the standard form GET format, you need to retrieve those values in the original query string in $_SERVER['QUERY_STRING']. The script below is an enhanced version of processing_forms.php which pri... 2016-11-05, ∼2133🔥, 0💬

Setup Policy to Azure API Operations - 2017 Version
What are steps to set up policy to an Azure API Operation 2017 version? If you want to add policy statements to be executed between the Azure API and the backend service, you need to setup policy to the Azure API operation as shown in this tutorial: 1. Login to Azure Portal . 2. Go to API Management... 2018-06-12, ∼2132🔥, 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, ∼2132🔥, 0💬

Retrieving Input Values from Checkboxes in PHP
How To Retrieve Input Values for Checkboxes Properly in PHP? If multiple input values are submitted with the same field name, like the case of a group of checkboxes, you should add ([]) to the end of the field name. This tells the PHP engine that multiple values are expected for this field. The engi... 2016-11-13, ∼2131🔥, 0💬

HTML 'div' Tag/Element
What Is a "div" Tag/Element? A "div" element is a block element that you can use a container of flow elements (flow elements are really the superset of both inline elements and block elements). By default, "div" elements will be treated as paragraphs by most browsers. Here are basic rules about an "... 2017-03-11, ∼2130🔥, 0💬

RSS "channel/image" Element
What is the RSS "channel/image" element? The RSS "channel/image" element is an optional sub element of the "channel" element to specify a GIF, JPEG or PNG image that can be displayed with the channel. The RSS "channel/image" element contains the following sub elements. url - REQUIRED. The URL of a G... 2017-11-11, ∼2128🔥, 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, ∼2126🔥, 0💬

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, ∼2126🔥, 0💬

Defining an HTML Hyper Link
How To Define a Hyper Link? If you want to define a hyper link in your HTML document, you need to use an "a" element with the "href" attribute. Here are basic rules about defining a hyper link with "a" element: An "a" element with the "href" attribute defines a hyper link. The "href" attribute is us... 2017-07-15, ∼2124🔥, 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, ∼2123🔥, 0💬

HTML Lists and List Items
Where to find tutorials of introduction to HTML Lists and List Items? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in introduction to HTML Lists and List Items. Clear answers are provided with tutorial examples on list elements for ordered list... 2017-06-16, ∼2121🔥, 0💬

Defining and Using Class for New Data Types
Where to find tutorials on Defining and Using Class for New Data Types in Python? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Defining and Using Class for New Data Types in Python: What Is Class 'class' - Class Definition Statements Classes... 2018-05-08, ∼2120🔥, 0💬

Statement Syntax and Execution Flow Control
Where to find tutorials on Python Statement Syntax and Execution Flow Control? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Python Statement Syntax and Execution Flow Control: Basic Structure of Python Code Multi-line Statements in Python Co... 2018-03-13, ∼2120🔥, 0💬

"docker container create --tty" - TeleTYpewriter Terminal
How to create a new container with a TTY (TeleTYpewriter) terminal with "docker container create --tty" command? The "docker container create --tty --interactive" allows you to create a new container with a TTY (TeleTYpewriter) terminal, so that you can attach a console when it is running. The "--in... 2023-03-17, ∼2118🔥, 0💬

Azure AD B2C "id_token" from Google
Where to find an Azure AD B2C "id_token" example from Google as an external identity provider? Here is an Azure AD B2C "id_token" example from Google as an external identity provider: Header: { "typ": "JWT", "alg": "RS256", "kid": "X5eXk4xyojNFum1kl2Ytv8dlNP4-c 57dO6QGTVBwaNk"} Claims: { "exp": 1547... 2019-04-11, ∼2118🔥, 0💬

Using HTML 'div' Elements with CSS Properties
How To Use "div" Elements to Change CSS Properties? As elements containers, "div" elements are perfect places to set CSS properties which will be applied to all elements in the container. Here is a tutorial example of how to set CSS properties on "div" elements: &lt;?xml version="1.0" ?&gt; ... 2017-03-11, ∼2118🔥, 0💬

Atom "feed/entry/title" Element
What is the Atom "feed/entry/title" element? How To Generate a "feed/entry/title" element? The &lt;title&gt; element is a required sub-element of the &lt;entry&gt; element. The title element should contain a short but human readable title of the feed entry. You should follow the same... 2017-11-25, ∼2117🔥, 0💬

HTML 'h1' - Heading Tags/Elements
What Are Heading Tags/Elements? Heading elements are block level elements that can be used directly as a sub-element in the body element. You can use heading elements to specify heading in different sizes. Here are basic rules about heading elements: There are 6 heading elements, named as "h1", "h2"... 2023-08-03, ∼2115🔥, 0💬

User Sources in Azure AD B2C
What are sources of users managed in my Azure AD B2C directory? Azure AD B2C directory can manage users from different sources of identity providers. 1. Log in to your Azure AD B2C account with admin privilege. 2. Click "Azure Active Directory" from the left menu. 3. Select a directory, if you have ... 2019-03-20, ∼2115🔥, 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, ∼2114🔥, 0💬

Icon for Atom Syndication
What Is the Icon for Atom Syndication? The Web browser and Website syndication industry has adopted a standard icon to identify Atom syndicated content as shown below: Atom Syndication Feed Icon   ⇒ MIME Type Definition for Atom Files ⇐ Real Atom XML Examples ⇑ Introduction of Atom ⇑⇑ RSS FAQ and ... 2017-12-21, ∼2114🔥, 0💬

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