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What Is Expression
What Is an expression in Python? An expression in Python is a sequence of operations or method calls applied on data objects. An expression has two impacts when executed: Code statements of invoked methods get executed. This may create new data objects, update existing data objects, consume resource... 2018-03-13, ∼2525🔥, 0💬

Azure AD v2 OpenID Metadata Document
What is the Azure AD v2.0 OpenID Metadata Document? Azure AD v2.0 OpenID Metadata Document is an online JSON document that contains most of the information required for an app to perform sign-in. This includes information such as the URLs to use and the location of the service's public signing keys.... 2021-01-09, ∼2524🔥, 0💬

Specifying Input Values for Checkboxes in PHP
How To Specify Input Values for Checkboxes in PHP? Checkboxes can be used in a form for two situations: As a single switch - One &lt;INPUT TYPE=CHECKBOX ...&gt; tag, with no input value specified. When submitted with button pushed down, you will receive a value of "on". When submitted with b... 2016-11-13, ∼2523🔥, 0💬

Atom "feed/id" Element
What is the Atom "feed/id" element? How To Generate a "feed/id" element? The &lt;id&gt; element is a required sub-element of the &lt;feed&gt; element. The Atom specification requires that you provide a universally unique identifier for each of your feeds. So how to make this identifi... 2017-12-09, ∼2522🔥, 0💬

Interview Questions - HTML General
Where to find Interview Questions on HTML General? Here are some interview questions on HTML General: Do you use any tools when authoring new HTML documents? Do you use any tools when converting HTML documents to XHTML? How to validate your XHTML documents? How comfortable are you with writing XHTML... 2017-02-28, ∼2520🔥, 0💬

Removing a File in PHP
How To Remove a File in PHP? If you want to remove an existing file, you can use the unlink() function. Here is a PHP script example on how to use unlink(): &lt;?php if (file_exists("/temp/todo.txt") ){ unlink("/temp/todo.txt"); print("File removed.\n"); } else { print("File does not exist.\n");... 2016-11-20, ∼2519🔥, 0💬

Animated Images in HTML
What Is an Animated Image? An animated image is a special image file saved in animated GIF format. When an animated image is displayed in a browser window, multiple image frames will be displayed in sequence to form a simple animation. Here is a tutorial example with a server-side image map: &lt... 2017-03-22, ∼2518🔥, 0💬

Calibre for Windows
Where to find tutorials on using Calibre for Windows? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on using Calibre for Windows. What Is Calibre Download and Install Calibre for Windows Setup Calibre for Windows Open and Read EPUB Book with Cal... 2018-08-06, ∼2517🔥, 0💬

Configuration Settings for File Upload in PHP
What Are the File Upload Settings in Configuration File in PHP? There are several settings in the PHP configuration file related to file uploading: file_uploads = On/Off - Whether or not to allow HTTP file uploads. upload_tmp_dir = directory - The temporary directory used for storing files when doin... 2016-10-14, ∼2516🔥, 0💬

Sending a Cookie to the Browser in PHP
How To Send a Cookie to the Browser in PHP? If you want to sent a cookie to the browser when it comes to request your PHP page, you can use the setcookie( ) function. Note that you should call setcookie() function before any output statements. The following script shows you how to set cookies: &... 2016-11-04, ∼2515🔥, 0💬

Install RSS Subscription Extension for Chrome
How to Install RSS Subscription Extension for Chrome? RSS Subscription Extension for Chrome auto-detects RSS feeds on the page you are reading and upon finding one will display an RSS icon in the Omnibox, allowing you to click on it to preview the feed content and subscribe. If you want to install R... 2017-10-16, ∼2514🔥, 0💬

Technical Specifications for File Upload in PHP
How To Get the Technical Specifications for File Upload in PHP? File upload technical specifications is provided in "Form-based File Upload in HTML - RFC 1867". You can get a copy from http://www.ietf.org/rfc/rfc186 7.txt.    ⇒ PHP Tutorials ⇐ Configuration Settings for File Upload in PHP ⇑ Upload... 2016-10-14, ∼2512🔥, 0💬

'def' - Function Definition Statements
How to use the "def" statement to define a new function in Python? You can use the "def" statement to define a new function in Python with the following syntax: def function_name(paramenter_list) :statement_block Here is a good example of "def" statement defining a function to generate Fibonacci ser... 2018-02-28, ∼2511🔥, 0💬

'def' - Function Definition Statements
How to use the "def" statement to define a new function in Python? You can use the "def" statement to define a new function in Python with the following syntax: def function_name(paramenter_list) :statement_block Here is a good example of "def" statement defining a function to generate Fibonacci ser... 2018-02-28, ∼2511🔥, 0💬

RSS Document Structure
What Is the RSS Document Structure? An RSS 2.0 Document is an XML document with the following structure: &lt;rss version="2.0"&gt; &lt;channel&gt; &lt;title&gt;...&l t;/title&gt;&lt;link&gt;...&lt ;/link&gt;&lt;description&gt;... &lt;/descri... 2017-11-11, ∼2511🔥, 0💬

Using HTML 'checkbox' Input Fields
How To Use "checkbox" Input Fields? A "checkbox" input field is defined as &lt;input type="checkbox" .../&gt;. A "checkbox" input field can be used to create a checkbox to allow viewers to switch on or off a boolean flag. There are other attributes you may need to use for a "checkbox" input ... 2017-04-15, ∼2511🔥, 0💬

Where Are Session Values Stored in PHP
Where Are Session Values Stored in PHP? When a value is saved into the current session by one PHP page, the PHP engine must store this value somewhere on Web server, so that the PHP engine can retrieve it back when same visitor comes back to request another PHP page. Where are the session values sto... 2016-10-25, ∼2511🔥, 0💬

Deleting Cookie Files in PHP
How To Delete Cookie Files on Your Computer in PHP? A simple way to delete cookie files on your computer is to use the function offered by the IE browser. The following tutorial exercise shows you how to delete cookie files created by IE: Open IE (Internet Explorer) Go to Options/Internet Options Cl... 2016-11-02, ∼2508🔥, 0💬

Relative Path Name of a URL
What Is a Relative Path Name? A relative path name is a path name that starts without the leading slash "/". If a relative path name is used in a URL, the relative path name will be replaced with the current document path name appended with the specified relative path name. If "." or ".." is used in... 2017-07-07, ∼2506🔥, 0💬

What Is a URL
What Is a URL? A URL (Uniform Resource Locator) is a reference name representing a location of a Web document or other resource that is available on the Internet. Here are some examples of URLs: "http://www.w3.org/" "http://dev.fyicenter.com/faq/ xhtml/""http://www.google.com/search? hl=en&amp;q=... 2017-07-15, ∼2503🔥, 0💬

json_decode() Function in PHP
Where to get the detailed description of the json_decode() Function in PHP? Here is the detailed description of the json_decode() Function in PHP. Description - The json_decode() function parses a JSON text string and converts it into a PHP variable. Syntax - mixed json_decode(string $json[, bool $a... 2023-02-28, ∼2500🔥, 0💬

Closing a Session Properly in PHP
How To Close a Session Properly in PHP? Let's say you site requires users to login. When a logged in user clicks the logout button, you need to close the session associated with this user properly in 3 steps: Remove all session values with $_SESSION = array(). Remove the session ID cookie with the s... 2016-10-22, ∼2500🔥, 0💬

Removing Values Saved in the Session in PHP
How To Remove Values Saved in the Current Session in PHP? If you want to remove values saved in the current session, you should use the unset() function on those saved values in $_SESSION, or use array() to empty $_SESSION: unset($_SESSION['MyColor']) - Removes one value named MyColor in the current... 2016-10-24, ∼2499🔥, 0💬

Main Features on Visual Studio 2017 Start Page
What features are available on Visual Studio 2017 Start Page? After you started Visual Studio 2017 you the Start Page with the following features: 1. Top Menu - Allows you to access menu items through: File, Edit, View, Project, Debug, Team, Tools, Test, Analyze, Windows, and Help. 2. Search Box (ne... 2023-12-10, ∼2497🔥, 0💬

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