GraphQL Real Time Bitcoin Market [NodeJS]

In this article, we'll learn how to use Node.js to develop a GraphQL API for bitcoin real-time price quotes. Bitcoin development related links: c#Bitcoin Development Details Detailed Java Bitcoin Development PHP Bitcoin Development Details Bitcoin Data Analysis Tool Bitcoin PHP Offline Development Kit Omni/USDT Java Development Package 1. C ...

Posted on Mon, 24 Feb 2020 16:58:07 -0800 by srdva59

Using Pandas Library in python to implement a commodity futures grid strategy

Pandas is a NumPy based tool created to solve data analysis tasks. Pandas incorporates a large number of libraries and some standard data models, providing the tools needed to efficiently operate large datasets. Pandas provides a large number of functions and methods that enable us to process data quickly and conveniently. You will soon find th ...

Posted on Fri, 21 Feb 2020 21:52:37 -0800 by el-sid

Java creates block chains from scratch

Application scenarios related to block chains can be referenced: http://qkl.zhilitang.vip/dapp/?source=PC-TZ&keyword=qukuailianjiaoyixitongkaifa&e_creative=36051418518&e_keywordid=158453543090#1 At present, there are many articles about the introduction and popularization of block chains on the network. In ...

Posted on Wed, 05 Feb 2020 15:28:03 -0800 by notepad

Five minutes to get started with the rust language

1. Pit rust 1.1 development history of rust In 2006, Mozilla employee "Graydon Hoare" developed Rust. On May 15, 2015, the core team of the programming language of Rust officially announced the release of the version of Rust 1.0, and then won the first prize in the "favorite programm ...

Posted on Wed, 15 Jan 2020 05:22:47 -0800 by sonnieboy

The practical example of developing Ethereum on. net platform (C)

This is an early version of this article, which aims to help those developers who have a basic understanding of the Ethereum blockchain platform, if they want to learn how to use the netherum. Net library to program the Ethereum platform. I'll add more in this article later, but for now, I'm using it to publish a series of C examples of. NET 10 ...

Posted on Sun, 15 Dec 2019 06:19:59 -0800 by kristian_gl

Establishment of Ethereum private network - initialization of blockchain through Genesis block

genesis block file example { "config": { "chainId": 15, "homesteadBlock": 0, "eip155Block": 0, "eip158Block": 0 }, "difficulty": "4", "gasLimit": "2100000", "alloc": { "7df9a875a174b3bc565e6424a0050ebc1b2d1d82": { "balance": "300000" }, "f41c74c9ae680c1aa78f42e5647a62f353b7bdde": { ...

Posted on Tue, 22 Oct 2019 13:11:47 -0700 by Dysan

Practical course of iota hardware integration

This tutorial is for the beginners of iota. We will learn how to develop a relay connected to raspberry pie based on the balance of the specified iota address to turn on or off the LED. Although the tutorial is simple, it is enough to demonstrate the powerful capabilities of iota. We will use a connected raspberry pie as the Internet of things ...

Posted on Fri, 18 Oct 2019 02:53:52 -0700 by Timsoft

Etaifang Source Code Mechanism: Mining

Chain customer, specially for developers, there are questions to answer! This article is from Block Chain Technology Community No reprinting without permission. miner.start()Miner means miner. The miner's job is to "dig". Mining is the process of encapsulating a series of newest transactions not encapsulated in blocks into a new block ...

Posted on Thu, 19 Sep 2019 23:23:02 -0700 by garethj

CSS_Common Layout

Links to the original text: https://www.mk2048.com/blog/blog.php?id=hb2kjickj&title=CSS_%E5%B8%B8%E8%A7%81%E5%B8%83%E5%B1%80 1. A column layout - often used on the home page of a website. html: 1 <div class="top"></div> ...

Posted on Fri, 06 Sep 2019 03:50:51 -0700 by dabas

Principle and Implementation Code of Exchange Matching Engine

Matching/Trading Engine (Matching/Trading Engine), as its name implies, is a software for matching transactions, which is widely used in finance, securities, encrypted currency transactions and other fields. The trading engine manages all Open Orders in the encrypted asset market and automatically executes transactions when a matching pair of o ...

Posted on Mon, 22 Jul 2019 07:50:04 -0700 by shan111