hustshawn

#!/usr/bin/env python

"""
=====================================
PEP 20 (The Zen of Python) by example
=====================================

Usage: %prog

:Author: Hunter Blanks, hblanks@artifex.org / hblanks@monetate.com

hustshawn

Download videos from egghead

1. Install the React Developer Tools Chrome Extension.

2. Go to the egghead website, i.e. Getting Started with Redux

3. Click View -> Developer -> Javascript Console, then the React tab, then the <NextUpLessonList ...> tag.

4. Click back to the Console tab, then run:

hustshawn

const fs = require('fs');
var rs = fs.createReadStream(src);
var ws = fs.createWriteStream(dst);

rs.on('data', function (chunk) {
    if (ws.write(chunk) === false) {
        rs.pause();
    }
});

hustshawn

/*
A directory tree like below.

          A
         / \
        B   C
       / \   \
      D   E   F

The access order of deep first and pre-order traversal algorithm should be :

hustshawn

class Observable: 
    def __init__(self, *args, **kwargs):
        self.__observers = []
    
    def register_observer(self, observer):
        self.__observers.append(observer)
    
    def notify_observers(self, *args, **kwargs):
        for observer in self.__observers:
            observer.notify(self, *args, **kwargs)

hustshawn

from dispatch import Signal

# The Signal object (think of it as an exchange)
log_it = Signal(providing_args=['level', 'message'])

# These functions are receivers (subscribers). They will receive 
# the signal (message) sent (published) by the sender (publisher).
def simple_receiver(**kwargs):
    message, level = kwargs['message'], kwargs['level']
    print 'Receiver # 1'

hustshawn

let o = new Observable(observer => {
  const token = doAsyncThing((err, value) => {
    if (err) {
      observer.error(err);
    } else {
      observer.next(value);
      observer.complete();
    }
  });
  return () => {

hustshawn

#RxJS 5 Operators By Example

UPDATE: I have moved the contents of this gist plus more to https://github.com/btroncone/learn-rxjs and http://www.learnrxjs.io. For expanded examples, explanations, and resources, please check out this new location!

A complete list of RxJS 5 operators with easy to understand explanations and runnable examples.

Chinese Version by: @DrakeLeung

Table of Contents

• buffer

hustshawn

import os
import smtplib
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText


def main():

hustshawn

#========================================================================
#
# Sample xpdfrc file
#
# The Xpdf tools look for a config file in two places:
# 1. ~/.xpdfrc
# 2. in a system-wide directory, typically /usr/local/etc/xpdfrc
#
# This sample config file demonstrates some of the more common
# configuration options.  Everything here is commented out.  You