Long Yu🥰
Long Yu
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On Going Back to a Previous Commit

2022-04-08
287- 1m

Various scenarios of undoing commits in Git discussed.

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Technical > Cheat Sheet
Git

Views in Java Collection Framework

2022-04-01- 2022-04-08
567- 3m

A view in Java Collections Framework is a special lightweight object which implements Map or Collection.

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Technical > Notes
Java

There Is No Undo for Git Add

2022-03-26- 2022-04-08
777- 4m

The first questions that keep coming up during the first months using Git probably look like these: How do I undo git add? How do I undo git commit? How do I undo xxx?

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Technical > Notes
Git

Unfamiliar OOP Patterns: Adaptors and more

2022-03-19- 2022-04-08
9- 1m

Just some random Java design patterns stuff…

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Technical > Notes
JavaOOP

Java Standard Collection Interfaces

2022-03-19- 2022-04-08
722- 4m

Java standard library has several interfaces for collections of objects. For a structure map, see here.

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Technical > Cheat Sheet
JavaData Structure

Misconceptions in Asymptotic Notation

2022-03-19- 2022-04-08
280- 1m

When we write f(n) = O(n) what we truly should write is f(n) ∈ O(n).

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Technical
Computer PrincipleAsymptotic Notation

Batch Encoding Change via Bash

2022-03-11- 2022-04-08
528- 3m

How to batch convert file encoding in Bash.

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Technical
UnityBash

大家都有病(下)

2022-03-09- 2022-04-08
6k- 20m

我们这地球上的人,从出生开始,就一直在鬼门关前面排着队。医生的作用,则是把付钱给他的人拽到队伍后面去。

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Non-technical > Mood

大家都有病(上)

2022-03-09- 2022-04-08
6k- 19m

我真的希望我们之间随便谁赶紧接个电话离去算了,可是今天是周日,现在是中午,外面有阳光,但是很冷。

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Non-technical > Mood

Bit Hacks

2022-03-08- 2022-04-08
735- 4m

Some bit manipulation tricks.

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Technical
Bit
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