test.py

##Q.1
print "trats"[::-1]

##Q.2
print 8 not in range(7,8)

##Q.3
print 0.0 is 0

##Q.4

catupper

#include<stdio.h>

int q1();
int q2();
int q3();
int q4();
int q5();
int q6();
int q7();
char* q8();

yingtai

自然数の定義

---

ペアノの公理:

以下を満たすような集合 N の要素を自然数とする.

1. O ∈ N

>2. 任意の x ∈ N について s(x) ∈ N このとき s(x) を x の後者と呼ぶ.

tondol

はじめに

http://www.nicovideo.jp/watch/1380872606

上記の動画を例にDL方法を解説する。

パラメータの取得

branneman

Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

const Article = require('../../../../app/models/article');

Those suck for maintenance and they're ugly.

Possible solutions

huonw

while {
    let x = foo();
    bar(x);

    x != 0
} {}

gakuzzzz

Scala の省略ルール早覚え

このルールさえ押さえておけば、読んでいるコードが省略記法を使っていてもほぼ読めるようになります。

メソッド定義

def concatAsString(a: Int, b: Int): String = {
  val a_ = a.toString();
  val b_ = b.toString();

untrusted-lvl12-solution.js

/*
 * robotNav.js
 *
 * The green key is located in a slightly more
 * complicated room. You'll need to get the robot
 * past these obstacles.
 */

function startLevel(map) {
    // Hint: you can press R or 5 to "rest" and not move the

untrusted-lvl13-solution.js

/*
 * robotMaze.js
 *
 * The blue key is inside a labyrinth, and extracting
 * it will not be easy.
 *
 * It's a good thing that you're a AI expert, or
 * we would have to leave empty-handed.
 */

untrusted-lvl15-solution.js

/**************************
 * exceptionalCrossing.js *
 **************************
 *
 * Sorry, old friend, but I'm afraid I can't share
 * co-authorship on this paper. You've done a very
 * good job getting this Algorithm for me. The bit
 * with the keys was especially clever! I wouldn't
 * have thought of it myself. But then, of course,
 * that's why you were here in the first place.