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84 Articles
9 Pages
What is AES encryption and how does it work?
Algorithm

What is AES encryption and how does it work?

When it comes to cyber security, AES is one of those acronyms that you see popping up everywhere. That’s because it has become the global standard of ...
C
Chris
162 views
Jan 10, 2021
How iOS and Android Handle Connections with BLE Human Interface Devices
Bluetooth

How iOS and Android Handle Connections with BLE Human Interface Devices

iOS and Android’s Bluetooth APIs allow apps to communicate with BLE devices. The API simplifies the way apps implement BLE and allows multiple apps to...
C
Chris
8 views
Jan 09, 2021
曾国藩四条识人术
Quick Notes

曾国藩四条识人术

1. 才不足则多谋，越是没有才华的人越喜欢提建议 2. 识不足则多虑，越是没有见识的人，越是顾虑多 3. 威不足则多怒，越是没有威信的人越是喜欢用发怒来解决问题 4. 信不足则多言，越是没有自信的人越是喜欢夸夸其谈...
C
Chris
154 views
Jan 07, 2021
模式复制前一定要做到信息对称
Quick Notes

模式复制前一定要做到信息对称

一漂亮性感的女同事，其老公给她送午饭，没说话放下就走了！新来的男同事问：那是谁？她：送外卖的。问：没给钱？她：不用给，晚上陪他睡一觉就好了…… 第二天，男同事为她带了四菜一汤的午饭，整个办公室轰然大笑。 启示：商业模式不可简单的模仿，别人的模式一定有其前置的条件和准入标准，模式复制前一定...
C
Chris
178 views
Jan 07, 2021
骂者众，思虑者少，献计者寡，担当着无几
Quick Notes

骂者众，思虑者少，献计者寡，担当着无几

某公司开会，董事长问：谁能说说公司目前存在什么问题？ 100多个人上来抢话筒； 又问：谁能说说背后的原因？ 一半的人立马消失； 再问：谁能告诉我解决方案？ 不到20人举手； “那么有谁想动手试一下？” 结果只剩下了五个人。  ...
C
Chris
128 views
Jan 07, 2021
侥幸和贪婪
Quick Notes

侥幸和贪婪

在报纸上看到一个人买彩票中了100万，大部分人会蠢蠢欲动跑去买，觉得“说不定我也有机会中奖”，觉得这么“幸运的事可能会发生在我身上！”但如果你在报纸上看到一起车祸，50个人只有两个人买了保险，各赔了200万，你会觉得这两个人没买错，但你不会立马去买保险，觉得这么“倒霉的是不可能发生在我身上”！这两件...
C
Chris
3 views
Jan 07, 2021
What I Learned from Learning
Quick Notes

What I Learned from Learning

Reflections on the learning process, knowledge retention, and personal growth through education.
C
Chris
1,062 views
Jan 07, 2021
Closures in Swift
Swift

Closures in Swift

Closures in Swift: powerful self-contained blocks of functionality. Capture values, create flexible APIs, and write cleaner code with Swift's closure ...
C
Chris
872 views
Dec 30, 2020
QuickSort
Algorithm

QuickSort

QuickSort algorithm deep dive: one of the fastest general-purpose sorting algorithms. Understand partitioning, recursion, and O(n log n) average perfo...
C
Chris
547 views
Dec 30, 2020
Set in C++ Standard Template Library (STL)
C++

Set in C++ Standard Template Library (STL)

Set in C++ STL tutorial: understand the sorted container for unique elements. Learn operations, iterators, and when to use set vs other STL containers...
C
Chris
506 views
Dec 30, 2020