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RSS "channel" Element
What is the RSS "channel" element? The RSS "channel" element presents a group of RSS feed items generated by the same producer. The RSS "channel" element contains the following sub elements. title - REQUIRED. The name of your Website, if you are producing this RSS feed. For example: &lt;title&am...
2017-11-11, 1664🔥, 0💬

Uploading Files to Web Servers in PHP
Where to find tutorials on how to upload files to Web servers in PHP? A collection of tutorials to answer many frequently asked questions on how to upload files to Web servers in PHP. Clear explanations and tutorial exercises are provided on creating file upload HTML tags, setting encoding type on H...
2016-10-17, 1664🔥, 0💬

re.match() - Match from String Beginning
How to match the beginning part of a target string with a regular expression using re.match()? The re.match() function allows you to match the beginning part of a target string with of a given regular expression. import re m = re.match(pattern, string, flags=0) Where: pattern is the regular expressi...
2018-10-19, 1660🔥, 0💬

Supporting Multiple Submit Buttons in PHP
How To Support Multiple Submit Buttons in PHP? Sometimes, you may need to give visitors multiple submit buttons on a single form to allow them to submit the form for different purposes. For example, when you show your customer a purchase order in a Web form, you may give your customer 3 submit butto...
2016-11-08, 1660🔥, 0💬

Creating an Array in PHP
How To Create an Array in PHP? You can create an array using the array() constructor. When calling array(), you can also initialize the array with pairs of keys and values. Here is a PHP script on how to use array(): &lt;?php print("Empty array:\n"); $emptyArray = array(); print_r($emptyArray); ...
2016-10-15, 1659🔥, 0💬

Update Anchor Peer of Each BYFN Organization
How to Update Anchor Peer of Each BYFN Organization? You can follow this tutorial to Update Anchor Peer of Each BYFN Organization. 1. Update the default peer as the anchor peer: bash-4.4# echo $CORE_PEER_ADDRESS peer0.org2.example.com:7051 bash-4.4# peer channel update -o orderer.example.com:7050 -c...
2019-04-13, 1658🔥, 0💬

JSON Text String Example
Where to get a simple example of JSON text string? You can go to JSON at Wikipedia to get the following JSON text string example: { "firstName": "John", "lastName": "Smith", "isAlive": true, "age": 25, "address": { "streetAddress": "21 2nd Street", "city": "New York", "state": "NY", "postalCode": "1...
2023-09-07, 1656🔥, 0💬

Commonly Used HTML Inline Elements
What Are Commonly Used Inline Elements? Here are some commonly used inline elements: strong - Defining text with a strong emphasis. em - Defining text with an emphasis. code - Defining computer code text. sub - Defining a subscript text. sup - Defining a superscript text. del - Defining text to be t...
2017-08-03, 1655🔥, 0💬

Two-Organization Hyperledger Fabric Network
What is the simplest Hyperledger Fabric Network for two organizations? The simplest Hyperledger Fabric Network for two organizations consists of 3 systems: an orderer and a peer managed by first organization, and another peer managed by the second organization. If the second organization does not fu...
2020-01-29, 1653🔥, 0💬

Interview Questions - HTML Forms and Input Fields
Where to find Interview Questions on HTML Forms and Input Fields? Here are some interview questions on HTML Forms and Input Fields: What is a form? What elements can you use to submit a form? When a form is submitted, where the data is delivered to? What is a hidden input field? How to create a grou...
2017-02-28, 1652🔥, 0💬

Returning a Value from a Function in PHP
How To Return a Value Back to the Function Caller? in PHP? You can return a value to the function caller by using the "return $value" statement. Execution control will be transferred to the caller immediately after the return statement. If there are other statements in the function after the return ...
2016-12-24, 1651🔥, 0💬

Appending Data to the End of a File in PHP
How To Append New Data to the End of a File in PHP? If you have an existing file, and want to write more data to the end of the file, you can use the fopen($fileName, "a") function. It opens the specified file, moves the file pointer to the end of the file, and returns a file handle. The second argu...
2016-12-02, 1650🔥, 0💬

Concatenating Two Strings in PHP
How To Concatenate Two Strings Together? You can use the string concatenation operator (.) to join two strings into one. Here is a PHP script example of string concatenation: &lt;?php echo 'Hello ' . "world!\n"; ?&gt; This script will print: Hello world!     ⇒ Comparing Two Strings in PHP ⇐...
2016-10-13, 1650🔥, 0💬

What Is RSS and Atom Aggregator
What Is an RSS and Atom Aggregator? A RSS aggregator, also called RSS reader, is software application that allows you to subscribe to many RSS or Atom feeds from various sources and read them in one place. A RSS aggregator usually provides a big list of RSS feeds from popular news providers. But it ...
2017-10-08, 1649🔥, 0💬

Function with Undefined Number of Arguments in PHP
How To Define a Function with Any Number of Arguments? in PHP? If you want to define a function with any number of arguments, you need to: Declare the function with no argument. Call func_num_args() in the function to get the number of the arguments. Call func_get_args() in the function to get all t...
2016-12-04, 1649🔥, 0💬

RSS specifications
Where to find tutorials on Understanding RSS specifications? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Understanding RSS specifications: RSS Document Structure RSS "channel" Element RSS "channel/image" Element RSS "channel/textInput" Elem...
2018-01-08, 1648🔥, 0💬

Testing Cookies on a Web Server in PHP
How To Test Cookies on a Web Server in PHP? If you want to test cookies with a browser, you need to run a Web server locally, or have access to a Web server remotely. Then you can copy the following PHP cookie test page, setting_receiving_cookies.php, to the Web server: &lt;?php setcookie("Login...
2016-11-04, 1648🔥, 0💬

Simple EPUB Reader Failed on EPUB 3.0
Why Simple EPUB Reader is showing an empty page on "The War Poems Of Siegfried Sassoon" EPUB 3.0 book? Simple EPUB Reader does not support all features of the EPUB 3.0 specification. For example: 1. Run "Simple EPUB Reader" and open "The War Poems Of Siegfried Sassoon" EPUB book. 2. Click the naviga...
2022-05-31, 1647🔥, 0💬

Converting Strings to Numbers in PHP
How To Convert Strings to Numbers? In a numeric context, PHP will automatically convert any string to a numeric value. Strings will be converted into two types of numeric values, double floating number and integer, based on the following rules: The value is given by the initial portion of the string...
2016-10-13, 1647🔥, 0💬

What Is OPF
What is OPF? OPF (Open Packaging Format) is a standard that is a part of the EPUB eBook specification. The OPF files store information for an associated eBook including the title of the eBook, the eBook language, creator, reading order and book ID. The OPF file is included in the EPUB archive to spe...
2022-07-26, 1646🔥, 0💬

What Is OpenID Connect
What Is OpenID Connect? OpenID Connect is a newer version of OpenID. OpenID Connect 1.0 was released in February 2014. OpenID and OpenID Connect releases: Version Release date OpenID Connect 1.0 February 4, 2014 OpenID 2.0 December 5, 2007 OpenID 1.1 May 2006 OpenID 1.0 Here is a picture of OpenID C...
2019-01-20, 1646🔥, 0💬

'width' for HTML Table Widths
How To Control Table Widths? Usually, browsers will calculate the table width based on the content widths of table cells. If you want to control the width of a table, you need to use the "width" attribute, which allows you to set the table width in pixels or percentages of the parent element width. ...
2017-05-05, 1646🔥, 0💬

Assigning a New Character in a String in PHP
How To Assigning a New Character in a String? The string element expression, $string{index}, can also be used at the left side of an assignment statement. This allows you to assign a new character to any position in a string. Here is a PHP script example: &lt;?php $string = 'It\'s Friday?'; echo...
2016-10-13, 1646🔥, 0💬

Validating XHTML 1.0 Documents Online
How To Validate XHTML 1.0 Documents Online? If you have just finished a new XHTML document, and you want to make sure that confirms with the XHTML specification, you can use the XHTML online validator at http://validator.w3.org/ . There are 3 ways you can use this validator: By URL - Specify the URL...
2024-01-15, 1645🔥, 1💬

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