rudolph9

const wait = callback => new Promise((resolve, reject) => {
  const end = () => {
    try {
      if (callback()) {
        resolve(true);
      } else {
        setImmediate(end);
      }
    } catch (error) {
      reject(error);

rudolph9

class Foo {
  constructor(foo) {
    this.foo = foo
  }

  async execUntilStop(callback) {
    const timeoutLoopCallback = () => {
      if (this.stopExec) return;
      callback({ data: 'data' });
      setTimeout(timeoutLoopCallback, 10);

rudolph9

> Node = function(){};
[Function]
> Node.pro
Node.propertyIsEnumerable

Node.prototype

> Node.prototype.foo = {bar: 'hello world'};
{ bar: 'hello world' }
> node = new Node();

rudolph9

Iterating Iteratively

Given a forward linked list, define an iterator wich traverses each node in the linked list calling next function repeatively?

rudolph9

com.write_message( ("\x02" + 6.chr + "AE5X:W" + ("AE5X:W" ^ 6.chr) + "\x03").force_encoding("ASCII-8BIT"))

  class ::String
    ###
    # @return the first charater in the string as an integer
    def byte
      self.bytes[0]
    end

    ### 

rudolph9

#include <stdio.h>
#include <string.h>

int main ()
{
  char str0[]="Hello world";
  char str1[40];
  int str0_length = strlen(str0);
  int i;
  for( i = 1 ; i <= str0_length ; i++)

rudolph9

>>> microAeth = serial.Serial('/dev/ttyUSB1', 500000, timeout=1,  parity=serial.PARITY_MARK)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python2.7/dist-packages/serial/serialutil.py", line 261, in __init__
    self.open()
  File "/usr/local/lib/python2.7/dist-packages/serial/serialposix.py", line 282, in open
    self._reconfigurePort()
  File "/usr/local/lib/python2.7/dist-packages/serial/serialposix.py", line 376, in _reconfigurePort
    raise ValueError('Invalid parity: %r' % self._parity)
ValueError: Invalid parity: 'M'

rudolph9

def link_to(text, address)
  "<a href='#{ address }'>#{ text }</a>"
end

def content_tag tag, &block
  "<#{ tag.to_s }>#{ block.call }</#{ tag.to_s}>"
end

rudolph9

def translate string
  string.gsub( /((?:(?:qu))*[^aeiou]*)(\w*)/, '\2\1') + 'ay'
end

rudolph9

[1] pry(main)> puts "hello world!"
hello world!
=> nil
[2] pry(main)> class << self
[2] pry(main)*   def puts string
[2] pry(main)*     print "overloaded! " + string + "\n"
[2] pry(main)*   end  
[2] pry(main)* end  
=> nil
[3] pry(main)> puts "hello world!"