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Atom Document Structure
What Is the Atom Document Structure? An Atom feed document must have a root element called "feed". Within in the "feed" element, one or more "entry" elements are enclosed. The high level structure of an Atom feed document looks like: &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;feed ...
2017-09-28, ∼3094🔥, 0💬

Joining Array Values into a Single String in PHP
How To Join Multiple Strings Stored in an Array into a Single String in PHP? If you multiple strings stored in an array, you can join them together into a single string with a given delimiter by using the implode() function. Here is a PHP script on how to use implode(): &lt;?php $date = array('0...
2017-01-05, ∼3091🔥, 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, ∼3090🔥, 0💬

First Visual Basic Program in Visual Studio 2017
Where to find tutorials on writing First Visual Basic Program in Visual Studio 2017? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on writing First Visual Basic Program in Visual Studio 2017? Create Visual Basic Project in Visual Studio 2017 WPF...
2023-05-31, ∼3087🔥, 0💬

Client-Side Image Maps in HTML
What Is a Client-Side Image Map? A client-side image map is an image defined with the "ismap" attribute and the "usemap" attribute. When a client-side image map is clicked in a browser window, the browser will take mouse coordinates and map them to a predefined image map entry, to retrieve a target ...
2017-03-22, ∼3087🔥, 0💬

Running a SQL Statement in PHP
How To Run a SQL Statement in PHP? You can run any types of SQL statements through the mysql_query() function. It takes the SQL statement as a string and returns different types of data depending on the SQL statement type and execution status: Returning FALSE, if the execution failed. Returning a re...
2016-10-20, ∼3085🔥, 0💬

References to JSON Types Defined Externally
How to reference a JSON type that is defined externally in another JSON Schema? If a JSON type is defined externally in another JSON schema, you can reference it using its absolute address. For example, the following JSON schema has two external references. One refers to a JSON Type defined in a loc...
2017-08-25, ∼3083🔥, 0💬

Removing a Cookie in PHP
How To Remove a Cookie in PHP? Once a cookie is sent from the server to the browser, there is no direct way for the server to ask the browser to remove the cookie. But you can use the setcookie() function to send the same cookie to browser with a negative expiration time, which will cause the browse...
2016-11-03, ∼3083🔥, 0💬

Passing Variables by References in PHP
How To Pass Variables By References? in PHP? You can pass a variable by reference to a function by taking the reference of the original variable, and passing that reference as the calling argument. Here is a PHP script on how to use pass variables by references: &lt;?php function swap($a, $b) { ...
2016-12-24, ∼3081🔥, 0💬

What Is CDATA in HTML Documents?
What Is CDATA in HTML documents? CDATA stands for Character DATA, which is used to define a section of data that should not go through the XHTML entity translation (parsing) process. In other words, 3 special characters: "&lt;", "&gt;", and "&amp;" can be directly used in CDATA. They wil...
2024-02-28, ∼3080🔥, 0💬

Using Atom Tools
Where to find tutorials on Using Atom Tools? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Using Atom Tools: Atom Online Validators Atom Online Validator at w3.org Atom Validation Errors at w3.org View Atom Feeds with IE (Internet Explorer) G...
2018-01-06, ∼3075🔥, 0💬

What Is Atom Syndication Format
What Is RSS Syndication Format? Atom Syndication Format is a type of Web syndication or feed in XML format which allows users to access updates of a Website in a standardized format. The Atom Syndication Format was issued as a Proposed Standard in IETF RFC 4287 in December 2005 . Atom feeds are comp...
2017-11-02, ∼3073🔥, 0💬

Understanding and Using Sessions in PHP
Where to find tutorials on how to use Sessions in PHP? A collection of tutorials to answer many frequently asked questions on how to use Sessions in PHP. Clear explanations and tutorial exercises are provided on starting and closing sessions, saving and retrieving values in sessions, deciding how se...
2016-10-29, ∼3073🔥, 0💬

Relation between HTML and CSS?
What Is the relation between HTML and CSS? CSS (Cascading Style Sheets) is a technical specification that allows HTML document authors to attach formatting style sheets to HTML documents. When HTML documents are viewed as Web pages through Web browsers, the attached style sheets will alter the defau...
2024-02-09, ∼3072🔥, 0💬

Converting Leading Characters to Upper Case in PHP
How To Convert Leading Characters to Upper Case? If you are processing an article, you may want to capitalize the first character of a sentence by using the ucfirst() function. You may also want to capitalize the first character of every words for the article title by using the ucwords() function. H...
2016-10-13, ∼3069🔥, 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, ∼3067🔥, 0💬

Debug API Operation Test
How to debug issues in an API Operation Test? The first step to debug an API operation issue is to review the "trace" information in the test result. 1. Repeat the test on "Add new user" operation of the "First API". 2. Click "Try it" and scroll down. 3. Click "Send". You see test result displayed. ...
2018-03-28, ∼3062🔥, 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, ∼3062🔥, 0💬

Hello-3.0.epub Displayed in Calibre
How to display Hello-3.0.epub in Calibre? Once you have Hello-3.0.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...
2018-11-11, ∼3060🔥, 0💬

View Policy of an API Operation
How to View Policy of an API Operation? My API operation is not calling the backend service. If your API operation is not calling the backend service, you need to view the policy of the API operation to see why backend service is not called. 1. Go to the publisher dashboard of the API Management Ser...
2018-03-24, ∼3059🔥, 0💬

Ways to Include Variables in Double-Quoted Strings in PHP
How Many Ways to Include Variables in Double-Quoted Strings? There are 3 formats to include variables in double-quoted strings: "part 1 $variable part 2" - This is the simplest format to include a variable in a string. The variable name starts with the dollar sign and ends at the first character tha...
2016-10-13, ∼3055🔥, 0💬

Taking a Substring in PHP
How To Take a Substring from a Given String? If you know the position of a substring in a given string, you can take the substring out by the substr() function. Here is a PHP script on how to use substr(): &lt;?php $string = "beginning"; print("Position counted from left: ".substr($string,0,5)."...
2016-10-13, ∼3055🔥, 0💬

JSON Schema Syntax
What is the JSON Schema syntax? I heard that it is very simple. JSON Schema syntax is very simple. Here are some basic JSON Schema syntax rules: 1. A JSON schema must be a valid JSON Object. 2. A JSON schema may contain zero, one or more validation properties (also called keywords). Each validation ...
2018-02-01, ∼3054🔥, 0💬

Global Variables in Main Script in PHP
What Is the Scope of a Variable Defined outside a Function? in PHP? A variable defined outside any functions in main script body is called global variable. However, a global variable is not really accessible globally any in the script. The scope of global variable is limited to all statements outsid...
2016-12-08, ∼3054🔥, 0💬

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