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最近在接一個外包的案子的時候遇到了一個error message Access to fetch at ‘https://some-web-service/’ from origin ‘http:...

What is Pyenv? When you got multiple python projects at hand that use different python versions, uninstall and reinstall between them makes your python environment a mess. With pyenv, a Python version management tool, can let developers easily manage, install and switch between python versions. Installation pyenv only work on UNIX/MacOS systems, the alternative on Windows is pyenv-win You can install using homebrew 1 2 brew update brew install pyenv Set Up Shell Environment You should be able to check your shell enviornment with this command: echo $SHELL, then execute the following command accordingly...

Q Learning Basics, Concepts and Implementations

Decoding tx details, interpreting ERC-20 token tx data from blockchain and etherscan.io