heronyang

Isolated and Consistent Development

TL;DR

To have isloated and consistent development environment, we apply Docker.

Motivation

• Make sure the code is easy to deploy or to be executed on developers' environments.
• Make sure the code has consistent behaviour when we change the environment.

heronyang

class Solution:
    def isPalindrome(self, x: int) -> bool:
        
        if x < 0:
            return False
        
        length = math.ceil(math.log10(x))
        if length <= 1:
            return True
        

heronyang

"""
Loads a textfile, builds a Word2Vec model, and prints similarity of words.
"""
import urllib.request
import nltk
from nltk.tokenize import sent_tokenize, word_tokenize
from gensim.models import Word2Vec

# Source: Project Gutenberg's Alice's Adventures in Wonderland.
CORPUS_TEXT_URL = 'https://www.gutenberg.org/files/11/11.txt'

heronyang

extern struct FILE* STDIN;

int getchar() {
    return STDIN->read();
}

heronyang

#include "file.h"

void (*open)(char *name, int mode) {/*...*/};
void (*close) {/*...*/};
int (*read)() {/*...*/};
void (*write)(char) {/*...*/};
void (*seek)(long index, int mode) {/*...*/};

struct FILE console = {open, close, read, write, seek};

heronyang

// The UNIX operating system requires that every IO device driver provide five
// standard functions: open, close, read, write, seek.
struct FILE {
    void (*open)(char *name, int mode);
    void (*close)();
    int (*read)();
    void (*write)(char);
    void (*seek)(long index, int mode);
}

heronyang

#include <stdio.h>

void copy() {
    int c;
    while ((c=getchar()) != EOF) {
        putchar(c);
    }
}

heronyang

/* main.c */
#include "point.h"
#include "labeledPoint.h"
#include <stdio.h>

int main(int argc, char** argv) {
    struct LabeledPoint* origin = makeLabeledPoint(0.0, 0.0, "origin");
    struct LabeledPoint* lowerLeft = makeLabeledPoint(-1.0, -1.0, "lowerLeft");
    printf("distance = %f\n", getDistance(
        (struct Point*) origin, (struct Point*) lowerLeft));

heronyang

/* labeledPoint.h */
struct LabeledPoint;
struct LabeledPoint* makeLabeledPoint(double x, double y, char* label);

void setLabel(struct LabeledPoint *lp, char *label);
char* getLabel(struct LabeledPoint *lp);

heronyang

/* labeledPoint.c */
#include "labeledPoint.h"
#include <stdlib.h>

struct LabeledPoint {
    double x, y;
    char* name;
};

struct LabeledPoint* makeLabeledPoint(double x, double y, char* label) {