滴水穿石 - Slow and Fast

4 minute read

以前球隊在回防時, 教練總會說”快跑! 別回頭, 到定點再休息”.
關於人生, 喘息點在哪兒? 我想就在滴水穿石之間!

Week9 (03/03)

228的4天連假讓這週過的特別快.

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讀書心得

  • Learning How to Learn - Week1
    這週以科學研究來看大腦對於學習的反應
    可以把學習看的很單純, 就是”不斷”的吸收及練習, “不斷”意指長遠的時間1年, 5年, 10年…等, 而不是指當下不斷的行為. 很多名人傳記都有提及他們的看書習慣, Ex: Steven Jobs and Elon Musk.
    • Think mode: focus, and diffuse.
    • After leaning and sleeping brain form many synapses on the dendrite in your brain that is how your brain upgrade after a sleep or nap.
    • Procrastination - The Pomodoro Technique: an intense 25 minutes followed by 5 minutes relaxation or a little reward.
    • Memory - long term memory and working memory are two major memory systems. Research has shown that if you try to glue things into your memory by repeating something twenty times in one evening, for example, it won’t stick nearly as well as if you practice it the same number of times over several days.
    • Sleep - When you sleep, your brain cells shrink, which allows toxins to be more easily washed away.

Week10 (03/10)

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讀書心得

  • Tuesdays with Morrie
    The Professor章節裡提到Morrie的悲慘的童年, 面對讀母親訃聞給父親陰影及弟弟生病的自責, 繼母看似是讓他脫胎換骨的開始.
    第四週談到死亡, Morrie的觀點是沒人會接受自己死亡的事實, 一旦接受死亡”you might not be as ambitious as you are”. 在述說大部份人們面對死亡是用較消極的方式.
    父母拉拔孩子長大的過程, 時而地獄時而天堂, 對孩子來說短暫十幾年卻影響了一輩子, 兩者皆得到了無限希望, 也相互學習.
    • “Once you lean how to die, you learn how to live.” - Morrie, The Fourth Tuesday We Talk About Death, p82.
      從別人的死亡中來看待自己要如何過活, 你不會從自己的死亡中學到, 如果是, 那也許太晚了.
    • “This is part of what a family is about, not just love, but letting others know there’s someone who is watching out for them.” - Morrie, The Fifth Tuesday We Talk About Family, p92.
  • Learning How to Learn - Week2
    提到Chunking, 把學習看成是拼圖, chunks就是由小碎片形成的一塊塊大碎片, 將chunks慢慢拼在一起後看到輪廓, 接著看到想呈現的含意. 但學習終究不是拼圖, 可以完美的把小碎片放在正確位置.
    一昧的reread or draw concept效力不如recall來的好.
    初學者太專注於細節會降低學習的成效.
    Recall is a way to connect mini-chunks and help learn new materials.
    Overlearning cannot help learn deeply and may build a fence which is blocked out creativity.
    • One common mistake that learners make is to refuse to move on in their reading until they fully understand the material in the book in front of them.
    • Chunks are best built up with: focused attention, understanding(of the basic idea), and practice(build a context from chunks).
    • Deliberate practice: Focusing intently on the parts of the problem that are more difficult to you.

Week11 (03/17)

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  • Be lucky - it’s an easy skill to learn
    The difference between lucky and unlucky person - try everything.

  • What does O(log n) mean exactly?
    The most common attributes of logarithmic running-time function are that:
    the choice of the next element on which to perform some action is one of several possibilities, and only one will need to be chosen.
    or
    the elements on which the action is performed are digits of n

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讀書心得

  • Learning How to Learn - Week3
    Procrastination 是天性, what are cues of procrastination? find them and face them.
    Tackling procrastination: TODO list, delay rewards, backup plans, be confidence and belief your system.
    Using memory tricks to improve the long term memory. Ex: 餓的話每日熬一鷹. Group memory with familiar things.
    For long term memory, repeating and practicing in one day is a bad idea.

Week12 (03/24)

時間不夠用, 但事情總是急不得… 每天要睡好睡滿, 避免鬼打牆!
“Each night, when I go to sleep, I die. And the next morning, when I wake up, I am reborn.” - Mahatma Gandhi

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讀書心得

  • Learning How to Learn - Week4(Final)
    多運用比喻法及想像力, 將學習內容比喻(套用)在不同的事物上.
    No need for genius envy. Everyone has different gifts. When one door closes, another opens. Keep your chin up and your eye on the open door.
    The Impostor syndrome是常見的現像.
    About Right/Left hemisphere, 常聽到的左右腦訓練, 應該是課程提到的diffuse/focus mode的運用, 研究指出做結論或畫big picture時用的是右腦, 左腦則是專心在細節.
    結論: 學習是急不得的, 需要長時間練習及不斷挑戰, 如同肌肉訓練. Thinking, slow and fast.

  • Tuesdays with Morrie
    關於年紀的恐懼及忌妒心都是有原因的, find it and let it go.
    金錢仍身外之物, 但Money這章節的著墨不多.
    The satisfaction of lives not come from money, but because of you are needed. And understanding why you are needed is important.
    People always say, “Oh, if I were young again.” He smiled. “You know what that reflects? Unsatisfied lives. Unfulfilled lives. Lives that haven’t found meaning.” - Morrie, The Seventh Tuesday We Talk About the Fear of Aging, p118.
    “If you’re trying to show off for people at the top, forget it. They will look down at you anyhow. And if you’re trying to show off for people at the bottom, forget it. The will only envy you. Status will get you nowhere. Only an open heart will allow you to float equally between everyone.” - Morrie, The Eighth Tuesday We Talk About Money, p128.

Week13 (03/31)

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leetcode Challenge - C lang

利用瑣碎的時間完成leetcode上基本(easy)的題目.

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