yogeshc

gem('pg', :group=>'production')
gem('sqlite3', :group=>'development')

yogeshc

$ ipython notebook --debug
[NotebookApp] Config changed:
[NotebookApp] {'Application': {'log_level': 10}}
[NotebookApp] Using existing profile dir: u'/home/yogesh/.config/ipython/profile_default'
[NotebookApp] Searching path [u'/home/yogesh/Downloads/Courses/python-talks/numba/ipython/ipython-master', u'/home/yogesh/.config/ipython/profile_default'] for config files
[NotebookApp] Attempting to load config file: ipython_config.py
[NotebookApp] Config file ipython_config.py not found
[NotebookApp] Attempting to load config file: ipython_notebook_config.py
[NotebookApp] Config file not found, skipping: ipython_notebook_config.py
[NotebookApp] Serving notebooks from /home/yogesh/Downloads/Courses/python-talks/numba/ipython/ipython-master

yogeshc

[NotebookApp] Kernel 325611a2-4752-4ef6-8100-256b209a7522 failed to respond to heartbeat
^[[B^CShutdown Notebook Server (y/[n])? y
[NotebookApp] Shutdown confirmed
[NotebookApp] Shutting down kernels
ERROR:root:Uncaught exception, closing connection.
Traceback (most recent call last):
  File "/home/yogesh/.virtualenvs/epd/lib/python2.7/site-packages/zmq/eventloop/zmqstream.py", line 444, in _handle_events
    self._handle_send()
  File "/home/yogesh/.virtualenvs/epd/lib/python2.7/site-packages/zmq/eventloop/zmqstream.py", line 487, in _handle_send
    status = self.socket.send_multipart(msg, **kwargs)

yogeshc

[NotebookApp] Using existing profile dir: u'/home/yogesh/.config/ipython/profile_default'
[NotebookApp] Serving notebooks from /home/yogesh/Downloads/Courses/python-talks
[NotebookApp] The IPython Notebook is running at: http://127.0.0.1:8888/
[NotebookApp] Use Control-C to stop this server and shut down all kernels.
Created new window in existing browser session.
[NotebookApp] Using MathJax from CDN: http://cdn.mathjax.org/mathjax/latest/MathJax.js
[NotebookApp] Kernel started: 84424379-6ce7-4ea0-b3ed-e3d5a2d4fb1e
[NotebookApp] Connecting to: tcp://127.0.0.1:52016
[NotebookApp] Connecting to: tcp://127.0.0.1:55996
[NotebookApp] Connecting to: tcp://127.0.0.1:53254

yogeshc

import requests

class Content(object):
    def where(self, params={}):
        return Query(self).where(params)

    def all(self):
        return Query(self).all()

class Query(object):

yogeshc

Notes for Python Science Apps talk

Presentation

• Live slides
  • Use and arrow keys to step through
• Presentation markdown source
  • Links to repository with actual markdown source that is used for HTML5 slides
• Landslide
  • Great Python library to turn markdown into HTML slides

yogeshc

ln -s /usr/include/freetype2/freetype /usr/local/include/freetype
ln -s /usr/include/ft2build.h /usr/local/include/ft2build.h
ln -s /usr/include/png.h /usr/local/include/png.h
ln -s /usr/include/pngconf.h /usr/local/include/pngconf.h
ln -s /usr/include/pngconf.h /usr/local/include/pngconf.h^C
ln -s /usr/include/pnglibconf.h /usr/local/include/pnglibconf.h
ln -s /usr/lib/libfreetype.so /usr/local/lib/libfreetype.so
ln -s /usr/lib/libfreetype.a /usr/local/lib/libfreetype.a
ln -s /usr/lib/libfreetype.la /usr/local/lib/libfreetype.la

yogeshc

#The famous Sieve_of_Eratosthenes

def primes():
    yield 2 ; yield 3 ; yield 5 ; yield 7 ;
    ps = (p for p in primes())              # additional primes supply
    p = ps.next() and ps.next()             # discard 2, then get 3
    q = p*p                                 # 9 - square of next prime to be put
    sieve = {}                              #       into sieve dict
    n = 9                                   # the candidate number
    while True:

yogeshc

#!/usr/bin/env node
/*
Automatically grade files for the presence of specified HTML tags/attributes.
Uses commander.js and cheerio. Teaches command line application development
and basic DOM parsing.

References:

 + cheerio
   - https://github.com/MatthewMueller/cheerio

yogeshc

//
//  DhwaniBoardViewController.swift
//  DhwaniBoard
//
//  Created by Yogesh on 05/10/2014.
//  Copyright (c) 2014 appcodr. All rights reserved.
//

import Foundation
import UIKit