Dracula Vocabulary

My notebook of vocabulary in Dracula

Guowei Lv

2 minute read

Chapter 1 All day long we seemed to dawdle through a country which was full of beauty of every kind. dawdle: to do something or go somewhere very slowly, taking more time than is necessary. Stop dawdling! You’ll be late for school! They are picturesque, but do not look prepossessing. prepossessing: interesting, attractive, or impressive: He wasn’t a very prepossessing sort of person. The box didn’t look very prepossessing, but the necklace inside was beautiful.

5 minute read

Do you think Computer Science equals building websites and mobile apps? Are you feeling that you are doing repetitive and not so intelligent work? Are you feeling a bit sick about reading manuals and copy-pasting code and keep poking around until it works all day long? Do you want to understand the soul of Computer Science? If yes, read SICP!!! Let’s do one more exercise. Exercise 3.51: In order to take a closer look at delayed evaluation, we will use the following procedure, which simply returns its argument after printing it: (define (show x) (display-line x) x) What does the interpreter print in response to evaluating each expression in the following sequence?

SICP Goodness - Stream (III)

Doing some exercises

3 minute read

Do you think Computer Science equals building websites and mobile apps? Are you feeling that you are doing repetitive and not so intelligent work? Are you feeling a bit sick about reading manuals and copy-pasting code and keep poking around until it works all day long? Do you want to understand the soul of Computer Science? If yes, read SICP!!! To test our knowledge, let’s do some exercises from the book.

SICP Goodness - Stream (II)

Some util functions on stream

2 minute read

Do you think Computer Science equals building websites and mobile apps? Are you feeling that you are doing repetitive and not so intelligent work? Are you feeling a bit sick about reading manuals and copy-pasting code and keep poking around until it works all day long? Do you want to understand the soul of Computer Science? If yes, read SICP!!! In previous article, we implemented the very basics of stream: cons-stream, stream-car and stream-cdr, now we can implement some util functions based on those.

C Programming - A Modern Approach

Book recommendation on learn C

Guowei Lv

1 minute read

I’m brushing up my C now using the book C Programming - A Modern Approach by K.N.King. I have the classic K&R book, I do not recommend it. I just find it very hard to read, no matter if you are a novice or a veteran. After some googling on people’s recommendations, I got the K.N.King book. I’m glad that I did. Very easy to read, has a good set of exercises and programming projects.