Tag：Bookkeeping
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Consensus mechanism – one of the core technologies of blockchain
id:BSN_2021 Official account: BSN Institute Blockchain is an integrated innovation of multiple computer technologies. Among these sources, the most important one is the consensus mechanism technology. The consensus mechanism is how all accounting nodes reach a consensus to determine the validity of a record, which is both a means of identification and a means to […]
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Two factor check
On the way to work, I read an accounting book when I took the subway. At present, I have read more than 50 pages. In the process, it is found that there are amazing similarities between accounting and program design. Two examples are given today. CR design and accounting Introduction to CR design […]
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Wechat official account DIY: mongodb simple ORM & official account database design
First two articlesWechat public account DIYSeries: Wechat public account DIY: build wechat chat robot in one hour Wechat public account DIY: training chat robot & public account transformation image upload tool This paper introduces how to use the build & train chat robot, and how to make the public account support image upload to qiniu, […]
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On the stock operation of tool app from the perspective of accounting software
With the development of mobile Internet, there are more and more kinds of apps, and some tool apps have weak growth, which is difficult to achieve long-term growth. Only by improving the retention time of users and realizing the realization of flow realization, can it continue to develop in the fierce market competition. Features of […]
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How to quickly add cloud synchronization function to flutter application
How to quickly add cloud synchronization function to the project Today with a beautiful open sourceBookkeeping itemsAs an example, to provide you with an idea to change a local storage project into a cloud synchronization project in the simplest way. This app is called in and out. The address ishttps://github.com/Livinglist/Churu。 Why did you choose this […]
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MySQL log system redo log, binlog
What is redo log Redo log (redo log), a metaphor can be used to describe, that is, the hotel manager has a pink board, which is used to record customers’ credit records. If there are not many people on credit, he can write it on the pink board. If there are many people on credit, […]
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Why is dpos not easy to cause bifurcation?
A lot of times, we can always hear the term “hard fork”, which makes people turn pale. However, after bitcoin and Ethereum have experienced a certain number of forks, it does not absolutely affect people’s pursuit of these two mainstream digital currencies. However, not all digital currencies will bifurcate, and even some currencies will hardly […]
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A series of tutorials from introduction to abandonment of blockchain – covering cryptography, super ledger, Ethereum, Libra, bitcoin, etc
brief introduction Blockchain is a tamper proof shared digital distributed ledger that records transactions in public or private peer-to-peer networks. Distributed ledgers are distributed to all member nodes in the network. The sequential chain of blocks of encrypted hash links is used to record the history of asset exchange between peers in the network. Blockchain […]
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How bitcoin mines (mining principle) – proof of workload
This paper was first published inSimple explanation of blockchain communityLink to the original text:How bitcoin mines (mining principle) – proof of workloadThe original text has been updated. Please read it stayBookkeeping principle of blockchainFirst, we learned that bookkeeping is the process of calculating hash package of transaction records, transaction time, account book serial number, last […]
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Detailed explanation of blockchain — from essence to implementation principle
With the rapid rise of digital currencies such as bitcoin and Ethereum, the underlying technology of digital currency, blockchain technology, has begun to enter the public’s view. Yao Jinbo said: blockchain may be as great as the Internet. What are the advantages of blockchain technology over traditional Internet technology? What is its implementation principle? I […]
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The bookkeeping book of springboot
The bookkeeping book of springboot Yesterday, I read Rego’s tutorial and wrote a simple bookkeeping book to practice. I didn’t put my notes down on my blog. I made it up today. Let’s get to the point. As the old rule, let’s take a look at the directory structure of the project and the login […]
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Wechat public account DIY: mongodb simple ORM & public account database design
The first twoWechat DIYSeries: Wechat DIY: build wechat chat robot in one hour Wechat public ID DIY: training chat robot & image upload tool This paper introduces how to use the build & train chat robot and how to make the public number support the image upload to qiniu, so as to turn the public […]