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submit-transaction.js - Submit Chaincode Transaction
How to write a Node.js script to submit a transaction defined in the Invoke method of a chaincode? Here is sample Node.js script, submit-transaction.js, that uses a given user identity from the local wallet to submit a transaction on chaincode. /* Copyright (c) FYIcenter.com */ 'use strict'; const {...
2019-04-22, ∼1968🔥, 0💬

'list' Literals and Conversions
How to specify "list" values in Python code? "list" values can be specified using "list" literals or the list() conversion function as shown in this tutorial: 1. "list" literals in [v1, v2, ...] format as shown below: &gt;&gt;&gt; ["Age", 25] ['Age', 25] &gt;&gt;&gt; ["Age", ...
2018-04-07, ∼1964🔥, 0💬

Floating HTML 'div' Elements
Can "div" Elements Be Floated? Can "div" elements be floated? The answer is yes. If you want to float a "div" block, you can use the "float" CSS property. Here is a tutorial example of floated "div" elements: &lt;?xml version="1.0" ?&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 St...
2017-03-11, ∼1961🔥, 0💬

Watch "orderer" Container Log
How to watch the log file of the "orderer" Container? The "orderer" Container plays an important role in a Hyperledger Fabric network. You can follow this tutorial to watch its log file: 1. Set up a new terminal on the hosting system to follow the log file of the "orderer" container: $ docker logs -...
2020-07-07, ∼1959🔥, 0💬

Interview Questions - HTML Syntax
Where to find Interview Questions on HTML Syntax? Here are some interview questions on HTML syntax: What is the root element of an HTML document? &lt;root&gt; &lt;xml&gt; &lt;html&gt; &lt;xhtml&gt; What is HTML tag? What is HTML element? What is HTML attribute? How to...
2017-03-07, ∼1956🔥, 0💬

'str' Literals and Conversions
How to specify "str" values in Python code? "str" values can be specified using "str" literals or the str() conversion function as shown in this tutorial: 1. "str" literals in double quotes as shown below: &gt;&gt;&gt; "FYIcenter.com" 'FYIcenter.com' &gt;&gt;&gt; "He says: \"...
2018-04-07, ∼1954🔥, 0💬

registerUser.js - Register User to ca.example.com
What is the user registration Node.js program registerUser.js? User registration Node.js program registerUser.js registers an user "user1" to ca.example.com. 1. View the registerUser.js source code: $ cp ~/hyperledger-binaries/fabric- samples/fabcar/javascript$ more registerUser.js /* * SPDX-License...
2020-01-04, ∼1953🔥, 0💬

What Is Hyperledger
What Is Hyperledger? Hyperledger is an open source project for developing blockchain-based application frameworks and tools. Currently, Hyperledger is working on the following frameworks: Hyperledger Burrow v.0.21.0, 2019 - Hyperledger Burrow is a blockchain client including a built-to-specification...
2019-04-19, ∼1952🔥, 0💬

"composer network install" Errors
Why am I getting errors when running the "composer network install" command? There are couple of reasons why you are getting errors when running the "composer network install" command to deploy business network BNA files. Error Example 1 - $ cd tutorial-network $ composer network install --card Peer...
2020-12-26, ∼1951🔥, 0💬

HTML 'form' Tag/Element
What Is a "form" Tag/Element? A "form" element is a block element that you can use to define an input form with input fields. Here are basic rules about a "form" element: "form" elements are block elements. A "form" element can have empty content. A "form" element can have block elements as sub-elem...
2017-04-19, ∼1949🔥, 0💬

'int' Values are Objects
Are "int" values objects in Python? Yes, "int" values are objects in Python. In fact, all data values in Python are objects. In Python, "int" is defined as an object class with the following interesting properties, constructors, and methods: int.__doc__ - Property holding a short description of "int...
2023-07-01, ∼1945🔥, 0💬

Hyper Link Points to a PDF File
What Happens If a Hyper Link Points to a PDF File? If you want to build a hyper link to allow visitors to access a PDF file by clicking a hyper link, you can put the URL of the PDF file directly in the "href" attribute of the hyper link. If a visitor clicks the link, the browser will fetch the PDF f...
2017-07-03, ∼1944🔥, 0💬

Reducing the Display Size of an Image in HTML
How To Reduce the Display Size of an Image? If an image embedded inline is too big when displayed in a browser, you can use "width" and "height" attributes to reduce the image's display size. The display width and height should be proportional to the actual width and height of the image. Otherwise, ...
2017-03-27, ∼1942🔥, 0💬

XHTML 'meta' Tag/Element
What Is an XHTML "meta" Tag/Element? A "meta" element is optional child element of the head element. A "meta" element provides one piece of extra information about the XHTML document. Here are some important rules about "meta" elements: Meta elements are optional. Meta elements can only be used as s...
2017-06-28, ∼1941🔥, 0💬

Mapping XML Simple Elements to JSON Values
What is the standard to map XML simple elements to JSON values? There seems to be no industry standard on how to map XML simple elements to JSON values. But there are some commonly used conventions: 1. Converting each XML simple element to a single JSON object property. The property name is set to t...
2023-07-08, ∼1939🔥, 0💬

Open and Read EPUB Book with Calibre
How to Open and Read EPUB Book with Calibre? You can follow this tutorial to Open and Read EPUB Book with Calibre on your Windows computer, if you have "The Metamorphosis" EPUB book downloaded at \fyicenter\Metamorphosis-jacks on.epub.1. Search and run Calibre on your Windows computer. You see the C...
2018-08-06, ∼1939🔥, 0💬

OpenID Connect Authorization Code Flow
What is the authentication code flow specified in OpenID Connect? The Authorization Code Flow is most secure authentication flow specified in OpenID Connect. Here are the steps of the Authorization Code flow given in the OpenID Connect 1.0 specification: Rely Party prepares an authentication request...
2021-08-11, ∼1938🔥, 0💬

Hyper Link Points to an Image
What Happens If a Hyper Link Points to an Image? If you want to build a hyper link to allow visitors to see an image by clicking a hyper link, you can put the URL of the image directly in the "href" attribute of the hyper link. If a visitor clicks the link, the browser will fetch and display the ima...
2017-07-03, ∼1938🔥, 0💬

HTML 'title' Tag/Element
What Is the HTML "title" Tag/Element? The "title" element is the 4th element you need to learn. The "title" element is used to provide a text title to the XHTML document. Here are some rules about the "title" tag/element: The title element is a required child element of the head element. You must pl...
2024-01-19, ∼1936🔥, 0💬

Run "getting-started" Docker on Windows 10
How to run the first Docker "getting-started" on Windows 10? If you have successfully completed the installation of Docker Desktop and its required WSL 2 component on Windows 10, you can follow this tutorial to run the first Docker: "getting-started". 1. Start Docker Desktop again. You see the Docke...
2023-01-30, ∼1936🔥, 0💬

Azure AD v2 Access Token Request Test Page
How to build an Azure AD 2.0 Access Token Request Test page? The Access Token Request is the second call to the Azure AD service in the authentication code flow to retrieve the id_token with the authentication code received from the first call. You can build a simple Web form page to test different ...
2019-03-27, ∼1935🔥, 0💬

What Is CTO Modeling Language
What is Business Network CTO Modeling Language? Business Network CTO Modeling Language is a special data modeling language to define complex data types from primitive data types. CTO source code can be stored in a single or multiple files with the *.cto file extension. Each CTO source code file shou...
2021-08-01, ∼1934🔥, 0💬

Hyper Link Points to a ZIP File
What Happens If a Hyper Link Points to a ZIP File? If you want to build a hyper link to allow visitors to access a ZIP file by clicking a hyper link, you can put the URL of the ZIP file directly in the "href" attribute of the hyper link. If a visitor clicks the link, the browser will fetch the PDF f...
2017-07-03, ∼1934🔥, 0💬

HTML Description 'meta' Tag/Element
What Is the Description "meta" Tag/Element? The description "meta" element is a special meta element that provides a short description about the HTML document. The description "meta" element must include the "name" attribute as, name="description". Here is an example: &lt;meta name="description"...
2017-06-28, ∼1934🔥, 0💬

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