sidazhou

public class Temp {
    public static int myf(int i, int j, Function<List<Integer>,Integer> fn) {
        System.out.println("start");
        List<Integer> myi= new ArrayList<>();
        myi.add(i);
        myi.add(j);

        int retval = fn.apply(myi);
        System.out.println(retval);
        System.out.println("end");

sidazhou

import pickle

class Dummy:
    def __init__(self,num):
        self.num = num

dummy = Dummy(666)
print(dummy) # this is object pointer, not the object

stored = pickle.dumps({'my_object': dummy})

sidazhou

'''
    Get a overview of the structure of a variable that is nested dict of list of dict ...
    Usage:
        recur_get_keys_print(dictlist)
'''

def recur_get_keys(dict_or_list, count=1):
    if type(dict_or_list) is dict: 
        for key, value in dict_or_list.items():
            yield {

sidazhou

Generators

• Grunt
• Gulp
• Yeoman
• Slush

Back-end Frameworks

• Rails

sidazhou

this is dum

sidazhou

require 'colorize'

# # "Player 1: What does 5 plus 3 equal?"

# # Both players start with 3 lives. They lose a life if they mis-answer a question. If a player gets a question wrong, the game should output the new scores for both players, so players know where they stand.

# # The game doesn’t end until one of the players loses all their lives. At this point, the game should announce who won and what the other player’s score is.

def getRandNums
  # [ (rand*10-5).round(1), (rand*10-5).round(1) ]    # rounding errs

sidazhou

puts 3+4