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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, ∼2641🔥, 0💬

What Is Python
What Is Python? Python is a widely used high-level programming language for general-purpose programming, created by Guido van Rossum and first released in 1991. Main features of Python: Python is a multi-paradigm programming language: object-oriented programming and structured programming are fully ...
2018-02-01, ∼2638🔥, 0💬

What Is OpenID
What Is OpenID? OpenID is a decentralized user authentication protocol developed by the OpenID Foundation. OpenID allows users to be authenticated to a Website using a third-party identify management service. In other words, OpenID is a SSO (Single-Sign-On) technology. As SSO technology, OpenID offe...
2019-01-20, ∼2636🔥, 0💬

BYFN (Build Your First Network)
Where to find tutorials on Hyperledger Fabric BYFN (Build Your First Network)? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Fabric BYFN (Build Your First Network). "first-network" - Building Your First Network "byfn.sh generate" ...
2020-05-15, ∼2635🔥, 0💬

3Pigs2-3.1.epub - Multiple XHTML Files
Can I divide the book content into multiple XHTML files? Yes, you can divide the book content into multiple XHTML files. If your has multiple chapters, you should consider to create one XHTML file per chapter. For example, you can download this EPUB book, 3Pigs2-3.1.epub , which has "The Three Littl...
2019-01-12, ∼2635🔥, 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, ∼2634🔥, 0💬

EpubCheck 4.0.2 --usage Option
What is EpubCheck 4.0.2 "--usage" Option? EpubCheck 4.0.2 "--usage" option provides you suggested usages of additional EPUB features. You can try it on Hello-3.0.epub: C:\fyicenter&gt; java -jar epubcheck-4.0.2\epubcheck.jar --usage Hello-3.0.epub Validating using EPUB version 3.0.1 rules. USAGE...
2018-06-01, ∼2625🔥, 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, ∼2623🔥, 0💬

Malicious Website Stealing Cookies in PHP
How Can Other Webmaster Steal Your Cookies in PHP? All browsers are following the security rule that your cookies are sent back only to your Web servers. They will not be sent to other Webmaster's Web server directly. However, other Webmaster may design some malicious JavaScript codes to steal cooki...
2016-10-29, ∼2621🔥, 0💬

Hello-3.1.epub - "mimtype" File
How to create the "mimetype" file of an EPUB 3.1 book? The "mimetype" file of an EPUB 3.1 book is a required file in the book ZIP container. It specifies the mimetype of an EPUB 3.1 book file. Here is the requirement on the "mimetype" file: 1. The "mimetype" file must be named as "mimetype". 2. The ...
2018-06-27, ∼2620🔥, 0💬

3Pigs1-3.1.epub - Single XHTML File
Can I use XHTML technology only to build an EPUB 3.1 book? I want to build EPUB book with "The Three Little Pigs" story. Yes, you can use XHTML technology only to build an EPUB 3.1 book. For example, you can download this EPUB book, 3Pigs1-3.1.epub , which has the entire "The Three Little Pigs" stor...
2019-01-12, ∼2619🔥, 0💬

Sorting an Array by Values in PHP
How To Sort an Array by Values in PHP? Sorting an array by values is doable by using the sort() function. It will re-order all pairs of keys and values based on the alphanumeric order of the values. Then it will replace all keys with integer keys sequentially starting with 0. So using sort() on arra...
2017-01-21, ∼2619🔥, 0💬

Specifying Argument Default Values in PHP
How To Specify Argument Default Values? in PHP? If you want to allow the caller to skip an argument when calling a function, you can define the argument with a default value when defining the function. Adding a default value to an argument can be done like this "function name($arg=expression){}. Her...
2016-12-04, ∼2618🔥, 0💬

What Is EPUB 2.0 Package Metadata
What Is EPUB 2.0 Package Metadata EPUB 2.0 Package Metadata encapsulates meta information of the EPUB 2.0 book. Package Metadata, represented by the "metadata" element, is specified as the first required sub-element of the root "package" element in an EPUB 2.0 package file like package.opf: &lt;...
2022-04-13, ∼2613🔥, 0💬

help() - Getting Help in Python Interactive Mode
How to get help with the help() function in Python interactive mode? If you help in Python interactive mode, you can run the help() function. It will bring you to the Python help mode. Here is a simple Python interactive session that shows how to use the Python help() function: C:\fyicenter&gt; ...
2023-01-06, ∼2610🔥, 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, ∼2609🔥, 0💬

re.findall() - Find All Matches
How to find all matches of a regular expression using re.findall()? The re.findall() function allows you to find all matches of a given regular expression in a target string. import re l = re.findall(pattern, string, flags=0) Where: pattern is the regular expression string is the target string l is ...
2018-10-19, ∼2607🔥, 0💬

EPUB 3.0 With XHTML Technologies
Where to find tutorials on Building EPUB 3.0 With XHTML Technologies? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Building EPUB 3.0 With XHTML Technologies. 3Pigs1-3.0.epub - Single XHTML File 3Pigs2-3.0.epub - Multiple XHTML Files 3Pigs3-3...
2018-11-11, ∼2606🔥, 0💬

EPUB 3.0 Metadata - dc:identifier Element
What is EPUB 3.0 Metadata "dc:identifier" Element? EPUB 3.0 Metadata "dc:identifier" is a required metadata element to specify a code that uniquely identifies the EPUB 3.0 book. To use "dc:identifier" properly, you need to meet the following two requirements: 1. &lt;package unique-identifier="bo...
2018-06-01, ∼2597🔥, 0💬

Counting the Number of Values in an Array in PHP
How To Get the Total Number of Values in an Array in PHP? You can get the total number of values in an array by using the count() function. Here is a PHP example script: &lt;?php $array = array("PHP", "Perl", "Java"); print_r("Size 1: ".count($array)."\n"); $array = array(); print_r("Size 2: ".c...
2017-01-29, ∼2597🔥, 0💬

Returning a Reference from a Function in PHP
How To Return a Reference from a Function? in PHP? To return a reference from a function, you need to: Add the reference operator "&amp;" when defining the function. Add the reference operator "&amp;" when invoking the function. Here is a PHP script on how to return a reference from a functi...
2016-12-08, ∼2596🔥, 0💬

Passing Arrays to Function in PHP
Can You Pass an Array into a Function? in PHP? You can pass an array into a function in the same as a normal variable. No special syntax needed. Here is a PHP script on how to pass an array to a function: &lt;?php function average($array) { $sum = array_sum($array); $count = count($array); retur...
2023-04-06, ∼2595🔥, 1💬

💬 2023-04-06 Durga: Good

WPF App with VB Code in Visual Studio 2017
How to build a WPF application with VB code to control its behavior in Visual Studio 2017? After you have created your WPF application with XAML to define its UI elements, you can follow this tutorial to add VB code to control its behavior in Visual Studio 2017: 1. Create a "WPF App (.NET Framework)...
2023-09-16, ∼2593🔥, 0💬

What Is .NET Framework
What Is .NET Framework? .NET Framework Microsoft that provides primarily a standard program execution environment and a standard library: Common Language Runtime (CLR) - An application virtual machine that provides services such as security, memory management, and exception handling. Any application...
2023-05-31, ∼2589🔥, 0💬

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