Cholesterol | 膽固醇

English I have heard of “saturated fat”, “unsaturated fat”, “high-density lipoprotein” (HDL), “low-density lipoprotein” (LDL) many times but have never known and cared which are good and bad respectively. I thought my exercise habit can burn everything and I can eat anything without much concern. In a recent annual physical exam, my LDL (bad cholesterol) was 107 mg/dL, higher than the suggested maximum – 100 mg/dL. The doctor said that high LDL is caused by diet....

June 7, 2021

3 Levels of Programmers

This post categorizes programmers into 3 levels by their abilities to read and write in these 3 programming styles. Level 1: Newbie Programmers Programmers at this level can read and write the basic taught in “Introduction to XXX Programming”. They use indexed for loop or while loop for all repeated logic as these are the only options for them. Programmers at this level can read and write this code. int sumOddValuesLevel1(List<int> list) { var sum = 0; for (var i = 0; i <= list....

February 27, 2021

The Hardest Make 24 Puzzles

Make 24 is a traditional math game with simple rule – given 4 numbers, you are asked to make 24 with addition +, subtraction -, multiplication * and division /. Each number should be used once and only once. For example, (3, 7, 2, 1) --> 3 * (7 + 2 - 1) = 24. Most Make 24 puzzles are easy but a few are extremely hard. This post collects some of the hardest puzzles and discuss them in 3 types....

December 25, 2020

An Org-Mode Workflow for Task Management

As mentioned in the last post, I switched to Org-Mode. I kept adjusting my workflow with this new tool and it has been stabilized for a month. I think it is time to talk about the new workflow for task/time management with Org-Mode. This blog post consists of four parts: the principles, the definitions, the workflows, and finally the implementations. 1 The Principles Principles remain valid no matter what the tool is....

October 31, 2020

From Evernote to Org-Mode

Since 2017, Evernote has been my productivity system for note-taking and task management. I thought it was my ultimate system to stick with. It has served me so well and I have even became a paid user. However, mentioned in the last post, I am pursuing more privacy in my digital life and Evernote becomes a loophole. This post talks about the privacy concern, my research on the alternatives, and the switch to Org-Mode....

September 3, 2020