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Passing Arrays by Values to Functions in PHP
How Arrays Are Passed Through Arguments? in PHP? Like a normal variable, an array is passed through an argument by value, not by reference. That means when an array is passed as an argument, a copy of the array will be passed into the function. Modifying that copy inside the function will not impact...
2016-12-18, 1809🔥, 0💬

Understanding and Managing Cookies in PHP
Where to find tutorials on how to manage Cookies in PHP? A collection of tutorials to answer many frequently asked questions how to manage Cookies in PHP. Clear explanations and tutorial exercises are provided on setting and receiving cookies, creating and removing persistent cookies, specifying dom...
2016-11-05, 1807🔥, 0💬

View RSS Feeds with Mozilla Firefox
How to View RSS Feeds with Mozilla Firefox? If you want to view RSS Feeds with Mozilla Firefox, you can follow this tutorial: 1. Launch Mozilla Firefox 55. 2. Enter the following in the URL input box: http://dev.fyicenter.com/rss_x ml.php3. Press "Enter" key. You see the RSS feed items displayed in ...
2017-11-02, 1806🔥, 0💬

XHTML 'meta' Elements Not Closed
What Happens If an XHTML "meta" Element Is Not Closed? Meta tags, link tags and base tags must be closed in XHTML documents. If you forget to close them like the HTML format, you will get validation errors. Try the following tutorial sample XHTML document on http://validator.w3.org/ to see what type...
2017-06-28, 1804🔥, 0💬

MIME Type Definition for RSS Files
What Is the MIME Type Definition for RSS Files? Atom files have its own MIME type definition as: MIME type: application/rss+xml File extension: .rss, .xml Type of format: Syndication Extended from: XML   ⇒ Download RSS Specification ⇐ Icon for RSS Syndication ⇑ Introduction of RSS ⇑⇑ RSS FAQ and T...
2017-12-21, 1800🔥, 0💬

Splitting a String into an Array in PHP
How To Split a String into an Array of Substring in PHP? There are two functions you can use to split a string into an Array of Substring: explode(substring, string) - Splitting a string based on a substring. Faster than split(). split(pattern, string) - Splitting a string based on a regular express...
2016-12-28, 1798🔥, 0💬

Number of Rows Affected by a SQL Statement in PHP
How To Get the Number of Rows Selected or Affected by a SQL Statement in PHP? There are two functions you can use the get the number of rows selected or affected by a SQL statement: mysql_num_rows($rs) - Returns the number of rows selected in a result set object returned from SELECT statement. mysql...
2016-10-20, 1798🔥, 0💬

Hello-2.0.epub - "container.xml" File
How to create the "container.xml" file of an EPUB 2.0.1 book? The "container.xml" file of an EPUB 2.0.1 book is a required file in the book ZIP container. It specifies a package file of any name, for example: package.opf. Here is the requirement on the "container.xml" file: 1. The "container.xml" fi...
2023-05-09, 1797🔥, 0💬

Hello-2.0.epub - Package File: package.opf
How to create a package file like package.opf for an EPUB 2.0.1 book? At least one package file, like package.opf, is required for an EPUB 2.0.1 book in the book ZIP container. It defines required meta data and specifies 2 required content files. Here is the requirement on a package file: 1. A packa...
2023-03-28, 1791🔥, 0💬

Decode Azure AD v1 id_token
How to decode the id_token value received from Azure AD v1.0 authentication response? According to the "RFC 7519 - JWT (JSON Web Token)" standard, the "id_token" value received from Azure AD authentication response should be decoded as below: Splitting the encoded string into 3 components: Header, B...
2021-05-16, 1788🔥, 0💬

Edit API Operation Policy
What are steps to edit policy of an Azure API Operation? For each operation you created in your API, a default policy coded is added. If you want to view and edit policy statements to be executed between the Azure API and the backend service, you can follow this tutorial: 1. Go to the publisher dash...
2018-03-10, 1786🔥, 0💬

re.sub() - Substitute Matches with String
How to substitutes matches of a regular expression in a target string with another string using re.sub()? The re.sub() function allows you to substitute (or replace) matches of a given regular expression in match the beginning part of a target string with of a given regular expression. import re f =...
2018-10-19, 1785🔥, 0💬

Call JSON.parse() with Reviver Function
What is a reviver function that you can provide the JSON.parse() function call? The reviver function is an event handler function that is called repeatedly whenever a JSON element is parsed during the execution of the JSON.parse() function. The reviver function must defined with the following signat...
2023-09-07, 1784🔥, 0💬

Order of Array Values in PHP
How the Values Are Ordered in an Array in PHP? PHP says that an array is an ordered map. But how the values are ordered in an array? The answer is simple. Values are stored in the same order as they are inserted like a queue. If you want to reorder them differently, you need to use a sort function. ...
2017-01-29, 1783🔥, 0💬

PHP Configuration Setting File
Where Are PHP Configuration Settings Stored? PHP stores configuration settings in a file called php.ini in PHP home directory. You can open it with any text editor to your settings.     ⇒ Running a PHP Script ⇐ Verifying PHP Installation ⇑ Downloading and Installing PHP ⇑⇑ PHP Tutorials
2016-10-13, 1780🔥, 0💬

Hello-3.1.epub - Navigation File: navigation.xhtml
How to create a navigation file like navigation.xhtml for an EPUB 3.1 book? At least one navigation file, like navigation.xhtml, is required for an EPUB 3.1 book in the book ZIP container. It provides navigation information like a table of contents of the book. Here is the requirement on a navigatio...
2021-08-11, 1779🔥, 0💬

Hello-2.0.epub Displayed in Calibre
How to display Hello-2.0.epub in Calibre? Once you have Hello-2.0.epub created, you can follow this tutorial to open and read it in Calibre. 1. Search and run Calibre on your Windows computer. You see the Calibre main screen. 2. Click "Add books" icon. You see the open file screen. 3. Locate and sel...
2021-04-15, 1776🔥, 0💬

Verifying PHP Installation
How To Verify Your PHP Installation? PHP provides two execution interfaces: Command Line Interface (CLI) and Common Gateway Interface (CGI). If PHP is installed in the \php directory on your system, you can try this to check your installation: Run "\php\php -v" command to check the Command Line Inte...
2016-10-13, 1775🔥, 0💬

Creating Nested HTML Tables
How To Create Nested Tables? You can create nested tables by including a child table inside a cell of the parent table. Below is a tutorial example of nested tables: &lt;?xml version="1.0" ?&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/D TD/...
2017-04-22, 1774🔥, 0💬

Working with Directories and Files in PHP
Where to find tutorials on how to Work with Directories and Files in PHP? A collection of tutorials to answer many frequently asked questions on how to Work with Directories and Files in PHP. Topics included in this collection are: Creating a Directory in PHP Removing an Empty Directory in PHP Remov...
2016-11-24, 1774🔥, 0💬

Hello-3.1.epub - Content File: content.xhtml
How to create a content file like content.xhtml for an EPUB 3.1 book? At least one content file, like content.xhtml, is required for an EPUB 3.1 book in the book ZIP container. It provides the content of the book. Here is the requirement on a content file: 1. A content file must be named with .xhtml...
2021-08-11, 1770🔥, 0💬

Simple EPUB Reader Failed on EPUB 2.0
Why Simple EPUB Reader is not able to wrap content into pages on "The Metamorphosis" EPUB 2.0 book? Simple EPUB Reader does not support all features of the EPUB 2.0 specification. For example: 1. Run "Simple EPUB Reader" and open "The Metamorphosis" EPUB book. 2. Turn to "CHAPTER I". You see the con...
2018-06-27, 1766🔥, 0💬

JSON Schema Validation for JSON String Values
What validation keywords I can use in JSON Schema to specifically validate JSON String values? The current JSON Schema specification supports the following validation keywords to specifically validate JSON Strings values. They are not applied if the JSON instance is not a JSON String. "maxLength" - ...
2017-09-01, 1766🔥, 0💬

JSON Validation at jsonlint.com
How to use the JSON Validation Tool at jsonlint.com? If you want to try the JSON Validation Tool at jsonlint.com, you can follow this tutorial: 1. Go to the The JSON Validator page at jsonlint.com. 2. Enter the following JSON text string in the text area: { "firstName": "John", "lastName": "Smith", ...
2023-09-05, 1762🔥, 0💬

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