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Hyperledger Composer Access Query File
What Is Hyperledger Composer Query File (*.qry)? A Hyperledger Composer Query file is a source code file that define queries to retrieve business objects from the Business Network. A access control file uses the Query language and the .qry file extension. Here is an example of an query file from the...
2020-11-22, ∼1157🔥, 0💬

"transaction" Process Function Defined in JS
How to define a "transaction" process function in the JS scripting file? If you want your Hyplerledger Composer business network to process a business transaction, you need to the "function" JavaScript statement to define a "transaction" process function in a JS scripting file. When Hyplerledger Com...
2021-06-05, ∼1156🔥, 0💬

Install Hyplerledger Composer Environment
Where to find tutorials on installing Hyplerledger Composer Environment on Ubuntu. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on installing Hyplerledger Composer Environment on Ubuntu. Hyplerledger Composer Environment Requirement Install Com...
2021-05-04, ∼1156🔥, 0💬

Basic Sample Business Network - SampleTransaction
How to submit SampleTransaction request to Basic Sample Business Network? You can follow this tutorial to submit SampleTransaction request to Basic Sample Business Network. 1. Open Hyperledger Composer Playground and go to Basic Sample Business Network home page, as shown in the previous tutorial. 2...
2020-12-22, ∼1156🔥, 0💬

Peer Log Messages - Start Environment
How to verify peer node log messages to ensure my Hyperledger Composer developer environment is started correctly? You can follow this tutorial to verify peer node log messages generated during the Hyperledger Composer developer environment start up process. 1. Stop the environment: $ cd fabric-dev-...
2020-12-02, ∼1156🔥, 0💬

"transaction" Process Function Syntax
What is the syntax of "transaction" process function in the JavaScript file? A "transaction" process function is a regular JavaScription function that has two extra decorators: "@transaction" and "@param". Here is the syntax of a "transaction" process function statement: /* @transaction * @param {tr...
2021-06-05, ∼1154🔥, 0💬

Building Business Network with Hyperledger Composer
Where to find tutorials on Building Business Network with Hyperledger Composer. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Building Business Network with Hyperledger Composer. "yo" Command to Generate Business Network "composer archive" to...
2021-02-04, ∼1150🔥, 0💬

Managing Data Storage in Docker
Where to find tutorials on Managing Data Storage in Docker? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Managing Data Storage in Docker. Types of Docker Data Storage Docker Data Storage - "tmpfs" Mounts Docker Data Storage - Volume Mounts D...
2023-02-19, ∼1143🔥, 0💬

Hyperledger Composer Environment Orgs and Users
What Orgs and Users are included in my Hyperledger Composer Environment? The fabric-dev-servers.tar.gz package includes two default organizations and one admin user for each organization: org1.example.com - "org1.example.com" is the organization owns the peer node "peer0.org1.example.com". "org1.exa...
2020-07-14, ∼1142🔥, 0💬

Explorer Hyplerledger Composer Environment
Where to find tutorials on Explorering Hyplerledger Composer Environment on Ubuntu. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Explorering Hyplerledger Composer Environment on Ubuntu. Control Hyplerledger Composer Environment Versions of H...
2020-07-22, ∼1141🔥, 0💬

Build a Dummy Windows Image
How to do a dummy image from the "microsoft/dotnet-samples" Docker image? If you want play with the "microsoft/dotnet-samples" Docker image, you should build a dummy Docker image using it as the base. 1. Create a Dockerfile to define the new image: C:\fyicenter&gt; type DummyImage FROM microsoft...
2022-02-02, ∼1138🔥, 0💬

Change Data with PyMySQL Package
How to make data changes to MySQL database with PyMySQL package? Making data changes to MySQL database with PyMySQL package requires to run INSERT, UPDATE or DELETE SQL statements with an established connection. By default, changes are not committed until you call the con.commit() method explicitly....
2021-09-09, ∼1133🔥, 0💬

Introduction of EPUB 3.2 Specification
Where to find tutorials on introduction of EPUB 3.2 Specification? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on introduction of EPUB 3.2 Specification. What Is EPUB 3.2 Specification Changes on EPUB Packages 3.2 Changes on EPUB Content Docum...
2022-11-04, ∼1131🔥, 0💬

Hyperledger Composer Playground Server
Where to find tutorials on Hyperledger Composer Playground Server. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Composer Playground Server. What is Hyperledger Composer Playground Server Start Hyperledger Composer Playground Serv...
2021-02-17, ∼1131🔥, 0💬

"docker help" Commands
How use the "docker help" command? The "docker help" command allows you to learn how to use "docker" command. It has 3 levels of helps. 1. "docker help" - Top level help. It lists top level commands and options. For example: fyicenter# docker help Usage: docker [OPTIONS] COMMAND A self-sufficient ru...
2023-03-07, ∼1130🔥, 0💬

Hyplerledger Composer Environment Requirement
What are requirements for installing the a Hyplerledger Composer development environment? Here are requirements for installing the a Hyplerledger Composer development environment: Operating System - Ubuntu Linux 14.04 / 16.04 LTS, or Mac OS 10.12. Docker Engine - Version 17.03 or higher. Docker Engi...
2021-05-04, ∼1118🔥, 0💬

Basic Sample Business Network - SampleEvent
How to view SampleEvent emitted from Basic Sample Business Network? You can follow this tutorial to view SampleEvent emitted from Basic Sample Business Network. Since SampleEvent is generated by the SampleTransaction process, it is recorded as a child object to the SampleTransaction record. 1. Open ...
2020-12-15, ∼1106🔥, 0💬

Guest Post Submission Inquiry
Stephanie again here. I forgot to mention my Mail. Stephaniebraake@gmail.com
2022-01-05, ∼1105🔥, 3💬

💬 2022-01-05 inoreader: > POST /accounts/ClientLog > User-Agent: curl/7.19.7 > Host: www.inoreader.com > Accept: */* > Content-Length: 27 > Content-Type...

What Is JS Scripting Language
What is Business Network JS Scripting Language? Business Network JS Scripting Language is the standard JavaScript language to define business logics on how each transaction is processed. JavaScript source code can be stored in a single or multiple files with the *.js file extension. Each JavaScript ...
2021-06-05, ∼1104🔥, 0💬

Export and Import Docker Image Files
How to Export and Import Docker Image Files? If you want to move a docker image from another system to run, you can follow this tutorial. 1. Export the Docker image a file on the old system. fyicenter# docker images REPOSITORY TAG IMAGE ID CREATED SIZE fyi/cuda 1 1a4cb45485ee 10 minutes ago 3.91GB n...
2023-02-19, ∼1101🔥, 0💬

View "console.log()" Output in Playground
How to view "console.log()" Output in Hyperledger Composer Playground? If you use "console.log()" to print out debug information in your transaction process functions, you can follow this tutorial to see the "console.log()" in Hyperledger Composer Playground. 1. Add the following CTO modeling file t...
2021-06-05, ∼1093🔥, 0💬

Install Hyperledger Fabric on UBuntu
How to install Hyplerledger Fabric on Ubuntu? You can follow this tutorial to install Hyplerledger Fabric on Ubuntu. 1. Download the Hyplerledger Fabric Dev Environment package: $ mkdir fabric-dev-servers $ cd fabric-dev-servers $ curl -O https://raw.githubusercontent. com/hyperledger/composer-tools...
2021-04-04, ∼1090🔥, 0💬

Verify Hyperledger Composer Prerequisites on Ubuntu
How to verify Hyplerledger Composer Prerequisites on Ubuntu? You can use the following commands to verify Hyplerledger Composer Prerequisites on Ubuntu: 1. Verify Docker Engine: $ docker --version Docker version 18.09.2, build 6247962 $ ps -e | grep dockerd 17939 ? 00:39:58 dockerd 2. Verify Docker ...
2021-05-04, ∼1083🔥, 0💬

Changes on EPUB OCF 3.2
What are changed made on EPUB Open Container Format (OCF) 3.2 specification? EPUB Open Container Format (OCF) 3.2 specification has the following changes. 1. Encryption and Compression Order - The order of encryption and compression has been clarified. The new rules clarify that compression is not n...
2022-04-21, ∼1082🔥, 0💬

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