Thread creation in Java incurs significant costs. Creating threads consumes time, increases request processing latency, and involves a lot of work for both the JVM and the operating system. To alleviate these overheads, thread pools come into play. In this article, we’ll delve into the art of determining the ideal thread pool size. A fine-tuned […]
Tag: perl
I wrote an automated testing tool for the front-end who was not doing my job properly.
Hello friends, everyone must have been attracted by such a weird title and clicked in. Now that you are here, read on with me and make sure you don’t waste these few minutes (even if you waste it, it will make a difference to you) idea), without further ado, everyone, sit tight, fasten your seat […]
CCS3 list and hyperlink styles
By default, the hyperlink text is displayed in blue with an underline effect. When the mouse pointer moves over the hyperlink, it is displayed as a hand shape. The visited hyperlink text is displayed in purple; while the list items are indented and displayed by default. Show bullets on the left. In web design, you […]
Several methods for beautifying hyperlinks
Article directory Preface When talking about beautifying a hyperlink, there are many ways to make it more attractive and eye-catching in a web page. In this blog, we’ll explore some simple yet effective ways to spruce up your hyperlinks and enhance the user experience. 1. Color and style: The color and style of a hyperlink […]
Hyperledger fabric smart contract writing (4) unit testing
Reading tips Normally, we complete the logic of the chain code and package it and deploy it on the fabric network before we know whether it is correct. However, it is a waste of time to continuously deploy updates. At the same time, we cannot test and modify bugs in time, and it is also […]
Cross-browser testing: How to make sure your app works properly on a variety of browsers
In today’s Internet age, browsers have become our primary tool for obtaining information, communicating with others, working, and playing. However, different browsers, different versions, and different operating systems may affect your app differently, causing it to exhibit a variety of different behaviors and issues. To ensure that your app works properly in a variety of […]
Hyperledger fabric smart contract writing (2) ledger operations
1. What is Chaincode Chaincode is a program written in Go, Node.js, or Java that implements a prescribed interface. Chaincode runs in a process independent of peers, initializing and managing ledger state through transactions submitted by applications. Chaincode usually handles the business logic after Channel member permission, so it is similar to a “smart contract”. […]
Hyperledger fabric deploys chain code (5) Initialization and chain code upgrade
After the chaincode definition is submitted to channel, it will be started on the peer node of the channel where the chaincode is installed. The asset-transfer (basic) chaincode can now be called directly by client applications via the command line. Use the following command to create an initial set of assets (initialization) on ledger. Please […]
Hyperledger fabric test environment deployment
1. Preface This tutorial runs under the ubuntu20.04 version. Please deploy the ubuntu20.04 environment before performing the fabric2.2 environment deployment. All deployments are carried out in accordance with the official document hyperledger fabric. I also share the problems and solutions encountered during the operation. I will answer them one by one. If you don’t know […]
Hyperledger fabric smart contract writing (3) Endorsement strategy
1. Concept of endorsement strategy Nodes use the endorsement strategy to determine whether a transaction is correctly endorsed. When a peer accepts a transaction, it will call the VSCC (Validation System Chaincode) related to the transaction Chaincode as part of the transaction verification process to confirm the validity of the transaction. Therefore, a transaction contains […]