JamesinCoinmonks[Kind of] Storing a large amount of arbitrary data on Ethereum efficientlyGas is always a big topic in smart contract development. Every bit of data stored on the blockchain costs gas. We prefer not to store data…Dec 20, 2022Dec 20, 2022
JamesinDataDrivenInvestorAn Attempt to Extract Geo-location from TextThe problem can be divided into 3 parts…Jan 22, 20202Jan 22, 20202
JamesinCoinmonksUsing Redis in Python LRU cacheExtending the Python standard libraryJun 28, 20192Jun 28, 20192
JamesinCoinmonksDevOps toolkits: ELK stack — organizing log dataELK stack — A scalable way to organise log dataNov 9, 2018Nov 9, 2018
JamesinCoinmonksWhat actually is least square error in linear regression?TL;DR: minimizing error by maximizing log likelihoodSep 15, 2018Sep 15, 2018
JamesinDataDrivenInvestorMachine learning: Sigmoid function, softmax function, and exponential familyThe sigmoid function and softmax function are commonly used in the field of machine learning. And they are like “least square error” in…Sep 11, 2018Sep 11, 2018
JamesinCoinmonksDevOps toolkits: Supervisor — managing multiple processesControlling behaviour of processes in one config fileSep 10, 20181Sep 10, 20181
JamesinCoinmonksWhat is the actual use of private chain?The value added of private chain is in application-wise, while the value added in public chain is in political-wise (e.g. not blocked by…Aug 2, 2018Aug 2, 2018
JamesinCoinmonksA guide to perform web queries in DAPP (Part 3)Part 1 & Part 2Jul 18, 2018Jul 18, 2018