随笔
日常感悟与随想
- 2026-11-09 人尽天年的样子
- 2026-11-09 李子柒与shuiming.cc
- 2026-11-07 SPY-RSI backtest
- 2026-11-07 SPY-RSI introduction
- 2026-11-07 斯坦福的高效睡眠法
- 2026-11-05 peace of mind
- 2026-11-05 S&P500 dropping 300 points
- 2026-11-04 two versions of getline()
- 2026-11-02 shuiming in cc’s eyes
- 2026-11-01 30+ years apps
- 2026-10-30 GPU - space travel - alphazero
- 2026-10-30 LLMs vs David Silver and Yann LeCun
- 2026-10-30 SPY down 19 points: just means a better entry
- 2026-10-30 youtube and cs iphone
- 2026-10-29 integrity && compounding
- 2026-10-26 read list
- 2026-10-23 What is buffer?
- 2026-10-22 top 10 functions and idioms in cc-c.c
- 2026-10-21 A.1 Introduction
- 2026-10-21 K&R2 Exercise 8-2
- 2026-10-21 K&R2 Exercise 8-3. Design and write _flushbuf, fflush, and fclose
- 2026-10-21 K&R2 Exercise 8-4. The standard library function
- 2026-10-21 K&R2 Exercise 8-5. Modify the fsize program
- 2026-10-21 K&R2 Exercise 8-6
- 2026-10-21 K&R2 Exercise 8-7
- 2026-10-21 K&R2 Exercise 8-8. Write a routine bfree(p,n)
- 2026-10-20 K&R2 8.5 Example -- An Implementation of Fopen and Getc
- 2026-10-16 K&R2 7.8.7 Random Number Generation
- 2026-10-16 K&R2 exercise 7-6
- 2026-10-16 K&R2 exercise 7-7: section 5.10's find (the -x -n version)
- 2026-10-16 K&R2 exercise 7-8: print a set of files
- 2026-10-16 K&R2 exercise 7-9: isupper written to save space, and to save time
- 2026-10-16 The Mersenne Twister, MT19937 (Matsumoto and Nishimura, 1997)
- 2026-10-16 《保训》文王临终训诫太子发（即后来的武王）
- 2026-10-15 K&R2 7.5 File Access: cat, version 1
- 2026-10-14 6.8 union example
- 2026-10-14 6.9 bit-fielfs
- 2026-10-14 7.3 example miniprintf
- 2026-10-14 7-3 exercise
- 2026-10-14 7-4 exercise minscanf
- 2026-10-14 7-5 exercise calculator with scanf and sscanf
- 2026-10-14 exercise 7.1
- 2026-10-14 exercise 7-2
- 2026-10-14 zhouyi and c again
- 2026-10-13 6.7 typedef example
- 2026-10-13 Finally understood hash
- 2026-10-13 -g3 hash gdb
- 2026-10-13 getch and ungetch
- 2026-10-13 jsut for fun
- 2026-10-13 K&R2 exercise 6-6
- 2026-10-12 pp *pp **pp in gdb
- 2026-10-11 Dennis Ritchie's kernel printf
- 2026-10-11 Hash table
- 2026-10-11 K&R2 6.6 example
- 2026-10-11 K&R2 exercise 6-5-2
- 2026-10-11 K&R2 exercise 6-5
- 2026-10-07 how to skim cs books?
- 2026-10-06 人生几何的辅助线
- 2026-10-06 p *p &p p->count
- 2026-10-05 arrays of structures
- 2026-10-05 code ~/linux-0.01/kernel/sched.c
- 2026-10-05 code ~/unix-v6/ken/main.c & nami.c
- 2026-10-04 GDB and RAM
- 2026-10-04 tianshu
- 2026-10-03 printf("word: %s letters", *argv);
- 2026-10-02 （*++argv)[0] == ‘-‘
- 2026-10-02 int main(int argc, char *argv[])
- 2026-10-01 5-14 to 5-17 exercises
- 2026-10-01 dcl--complicated declarations
- 2026-10-01 exercise 5-18
- 2026-10-01 exercise 5-19
- 2026-10-01 exercise 5-20
- 2026-10-01 luoshu and c
- 2026-10-01 undcl
- 2026-09-29 char *alloc(int n)
- 2026-09-29 厥孚复利 in c
- 2026-09-29 variables
- 2026-09-27 heart sutra
- 2026-09-27 idioms
- 2026-09-27 print our own hexagrams
- 2026-09-27 the magic of c
- 2026-09-27 UTF-8 & 易
- 2026-09-27 zhouyi 0x version
- 2026-09-27 zhouyi binary version
- 2026-09-27 治未病 — Where One Person's Leverage Lies
- 2026-09-26 Weekly check-in — week ending Sep 25, 2026
- 2026-09-26 修辞立其诚 — Projects from the Heart
- 2026-09-25 ds to dsc
- 2026-09-25 ICD
- 2026-09-25 printbits
- 2026-09-24 digit bit and bytes
- 2026-09-24 Digit bit bytes
- 2026-09-24 Pointer again
- 2026-09-24 pointer & bit byte
- 2026-09-23 电脑的电源变压器
- 2026-09-22 童子功
- 2026-09-22 learning pointer from deepseek
- 2026-09-22 Sitting tight
- 2026-09-21 all by accident?
- 2026-09-21 Linux 0.01 3 examples
- 2026-09-21 things get complicated
- 2026-09-21 vx6 in c examples
- 2026-09-19 pointer is very interesting
- 2026-09-16 辅助线
- 2026-09-11 so cool
- 2026-09-09 groq-01.py + vs code + CLI
- 2026-09-07 exercise
- 2026-09-07 free will + passion
- 2026-09-07 git for life + collective compounding
- 2026-09-07 so precise
- 2026-09-05 how to dig deeper on hardware?
- 2026-09-05 Learning c means so much to me
- 2026-09-05 return 0: 无咎
- 2026-09-04 2/8/16/32/64: 0 1 magic
- 2026-09-04 浮点计数法
- 2026-09-04 returning to childhood mode
- 2026-09-04 Weekly Check-In: TSM, BRK.B, AMZN, SPY
- 2026-09-03 How does computer do math? #2
- 2026-09-01 Mastery of Programming languages is a Must in AI age
- 2026-08-30 十进制1-255换成十六进制
- 2026-08-30 #FF5733
- 2026-08-30 How to gain knowledge skills and taste as a developer?
- 2026-08-27 Building up on the shoulders of the past builders
- 2026-08-26 penetrating power
- 2026-08-25 太阳地球月亮公转轨道及自转详解
- 2026-08-25 需求 vs 想要
- 2026-08-24 research = re + search : in c
- 2026-08-23 Weekly Check-In: TSM, BRK.B, AMZN, SPY
- 2026-08-18 pure c & me
- 2026-08-17 c and heart sutra
- 2026-08-17 heart sutra and our true nature
- 2026-08-17 integrity + compounding in c code
- 2026-08-16 pure math
- 2026-08-16 what's between c and our fingertip?
- 2026-08-15 really love c- so beatiful
- 2026-08-15 why is deep understanding so attactive?
- 2026-08-15 zhouyi and c one more time
- 2026-08-14 0 1 = yinyang
- 2026-08-14 joy of deep study
- 2026-08-14 Loops: universe & coding
- 2026-08-14 Weekly Check-In: TSM, BRK.B, AMZN, SPY
- 2026-08-10 shuiming: it's interesting to veiw the fundation of modern digital world
- 2026-08-10 UNIX & DCA: Compounding
- 2026-08-09 定投：人尽天年的捷径
- 2026-08-09 power of compounding
- 2026-08-08 DCA: It is working well on AMZN
- 2026-08-08 shuiming: What’s the state of AI development?
- 2026-08-08 Thoughts on Unix commands
- 2026-08-07 How a Thunderstorm Happens — From Cumulus Cloud to Lightning and Thunder
- 2026-08-07 Weekly Check-In: TSM, BRK.B, AMZN
- 2026-08-02 Weekly Check-In: TSM, BRK.B, AMZN
- 2026-08-02 Why C?
- 2026-07-31 "Cloud Earnings Confirm It: Compute Is Still Scarce, and TSMC Sits at the Choke Point"
- 2026-07-31 简单可靠与无咎优先
- 2026-07-24 "Claude Code: Anthropic's Agentic Coding Tool"
- 2026-07-24 "Cursor: The AI-Native Code Editor"
- 2026-07-23 TSMC, Google, and Tesla All Fell After Earnings — AI Capex Anxiety Spreads
- 2026-07-22 公司出营运报告不是购买的理由
- 2026-07-21 全身心放松平衡：击球
- 2026-07-21 大脑与意识深度解析：从神经元到人工神经网络
- 2026-07-20 不加杠杆：价值投资的根本
- 2026-07-20 地球深度解析：从内核到磁场的动态系统
- 2026-07-20 为什么中午天空是蓝色，傍晚却泛黄？——瑞利散射简释
- 2026-07-20 太阳与地球协同孕育地球生命
- 2026-07-20 太阳深度解析：从核心到白矮星的一生
- 2026-07-20 如何解卦？
- 2026-07-20 巴菲特1998年佛罗里达演讲：习惯是复利的种子
- 2026-07-20 巴菲特股东信读后：十点洞察（1977—2024）
- 2026-07-20 无咎、貞吉、貞凶——周易卦爻辞用字频率的一点观察
- 2026-07-18 厥孚复利：从投资理念到生存心境
- 2026-07-18 唐·瓦伦丁：选大市场，而非选人
- 2026-07-18 定投的威力：每月定投$2000，年复利率7%，二十年后是多少？
- 2026-07-18 巴菲特谈声誉：厥孚是复利的根
- 2026-07-18 殖民火星是疯狂的想法，把它当生意做更疯狂
- 2026-07-18 内经养生：五谷为养，五果为助，五畜为益，五菜为充。五色五味，阴阳五行平和。
- 2026-07-18 为什么春夏有雷电，秋冬没有？