English Posts

Lisp expression parsing

October 31, 2022

Lisp expressions, also known as symbolic expressions (S-expressions), are prefixed expressions. In Lisp, the (quote) function or ' can easily parse symbolic expressions into internal list data structures, whereas in other languages, it would take some effort to do a similar conversion.

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Eight queens puzzle

October 17, 2022

According to the wikipedia, the eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal.

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Mikhail Smarshchok - System Design Interview – Step By Step Guide

May 05, 2021

Most valuable video channel for system design interview questions, Mikhail Smarshchok explains things very well and thorough.

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Managing Helm Deployments with Gitops at CERN

February 23, 2020

This video is about the practice of GitOps in CERN. The tools used include FluxCD, Helm and GitlabCI, which are of great reference value.

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Raymond Hettinger, Keynote on Concurrency, PyBay 2017

January 23, 2019

Very intersting talk from Raymond Hettinger on Concurrency(multi-processing, threading, asyncio). And it’s a pleasure to watch and listen to.

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David Beazley - Python Concurrency From the Ground Up - LIVE - PyCon 2015

January 23, 2019

David Beazley writes concurrent and socket Python code live at PyCon, every time I watch this video it’s mind blowing.

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