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"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, 855🔥, 0💬

CTO Language Primitive Data Types
What are CTO Language Primitive Data Types? CTO Language Primitive Data Types built-in system data types that you can use them to build new data types Currently, there are 6 primitive data types supported: String - Represets a string of Unicode characters. Double - Represets a double precision (64-b... 2021-06-19, 851🔥, 0💬

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, 847🔥, 0💬

Guest Post Submission Inquiry
Stephanie again here. I forgot to mention my Mail. Stephaniebraake@gmail.com 2022-01-05, 846🔥, 3💬

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

"event" CTO Statement Syntax
What is the syntax of the "event" CTO Statement? The "event" statement declares the output message structure of an event type, which can be emitted from the business network for external systems to consume. Here is the syntax of an "event" statement: event type_name [extends super_type] { o|--&g... 2021-06-19, 844🔥, 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, 840🔥, 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, 838🔥, 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, 836🔥, 0💬

"shell" Format vs. "exec" Format
What is the differences between "shell" format and "exec" format when writing instructions in Dockerfile for Windows images? There are several differences between "shell" format and "exec" format when writing instructions in Dockerfile for Windows images. 1. The "shell" format is simple to use. But ... 2021-11-30, 834🔥, 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, 832🔥, 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, 832🔥, 0💬

Versions of Hyplerledger Composer Environment
How many versions do I have with my Hyplerledger Composer development environment? The installation package fabric-dev-servers.tar.gz actually provides 3 versions of Hyplerledger Composer development environment. You can them in the "fabric-scripts" sub-directory: $ cd fabric-dev-servers $ ls -l fab... 2020-07-22, 820🔥, 0💬

Peer Containers Not Joined to Channel
Can I stop Peer Containers That Are Not Joined to Channel? Yes. You can stop Peer Containers That Are Not Joined to Channel. For example, you have 1 channel, "mychannel", and 4 peers. You know that only 2 of them are joined to the channel. You can stop the other peer containers. 1. List all peer con... 2020-07-07, 818🔥, 0💬

Hello-3.2.epub - EPUB 3.2 Simple Demonstration
How to build a simple EPUB file to demonstrate some EPUB 3.2 features? You can follow this tutorial to build a simple EPUB file to demonstrate some EPUB 3.2 features Create 5 required files and place them according to the following structure: ├── mimetype ├── META-INF │   └── container.xml ├─... 2022-02-09, 793🔥, 0💬

Revise Business Network Source Code
How to manage revisions of my Business Network? You can follow this tutorial to learn how to manage revisions of my Business Network properly. 1. Do not delete NBA files. They contains copies of source files of your business network. You should keep them as backups. $ cd tutorial-network $ ls -l *.b... 2020-12-26, 785🔥, 0💬

Install Miniconda3 on nvidia/cuda Docker
How to install Miniconda3 on nvidia/cuda Docker? If you want to run Miniconda3 to manage different versions of Python applications, you can follow this tutorial to install it on the nvidia/cuda Docker. 1. Start nvidia/cuda Docker and let it run for a long time, so we can attach a terminal to it at a... 2023-03-07, 774🔥, 0💬

Upgrade/Downgrade Python in Conda on nvidia/cuda Docker
How to Upgrade or Downgrade Python in Conda on nvidia/cuda Docker? If you need to run a specific version of Python, you can Upgrade or Downgrade Python Conda on nvidia/cuda Docker as shown in this tutorial. 1. Attach a terminal to the running docker. fyicenter# docker exec -it my_cuda /bin/bash (bas... 2023-02-21, 769🔥, 1💬

Install Docker CE on CentOS
Where to find tutorials on Docker CE (Community Edition) on CentOS systems? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team as Introduction to Docker CE (Community Edition) on CentOS systems. Install Docker CE on CentOS with YUM Install Docker CE ... 2023-03-17, 765🔥, 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, 758🔥, 0💬

Docker Data Storage - Volume Mounts
How to create a new Volume mount to a Docker container? Volume mounts are stored in a part of the host filesystem which is managed by Docker (/var/lib/docker/volumes/ on Linux). Non-Docker processes should not modify this part of the filesystem. Volumes are the best way to persist data in Docker. Be... 2021-08-15, 755🔥, 0💬

Build My Java Image with "openjdk"
How to build My Java Docker Image with "openjdk" If you want build your own Java Docker image with "openjdk", you can following this tutorial. 1. Create a Java program, Hello.java: C:\fyicenter&gt; type Hello.java class Hello { public static void main(String[] a) { System.out.println("Hello worl... 2021-11-30, 750🔥, 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, 748🔥, 0💬

ERROR(OPF-030) - unique-identifier Not Found
How to fix the "ERROR(OPF-030) - The unique-identifier ... was not found" error? When you validate a EPUB 2.0 package with EpubCheck, you may see the following error: C:\fyicenter&gt; java -jar epubcheck.jar Error-Unique-ID-Not-Found-2.0. epubValidating using EPUB version 2.0.1 rules. ERROR(OPF-... 2022-11-04, 743🔥, 0💬

Docker Data Storage - Multiple Mounts
How to create multiple mounts to a Docker container? Some times you may need to create multiple mounts to a new Docker container. This can be done by using "--mount" options as shown in this tutorial. 1. Run a new Docker container with 2 bind mounts: fyicenter# docker run \ --mount type=bind,source=... 2021-08-15, 741🔥, 0💬

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Blockchain Container EPUB General HTML JSON Microsoft Node.js PHP Python RSS Tools Visual Studio Web