Zhihui Xie lanttern

## sed cheatsheet

FILE SPACING:

 # double space a file
 sed G

 # double space a file which already has blank lines in it. Output file
 # should contain no more than one blank line between lines of text.
 sed '/^$/d;G'

## interviewitems.MD

      
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                lanttern
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              Created
              April 24, 2017 03:29
                — forked from KWMalik/interviewitems.MD
            
              
                My answers to over 100 Google interview questions
              
          
    ##Google Interview Questions: Product Marketing Manager

Why do you want to join Google?
-- Because I want to create tools for others to learn, for free. I didn't have a lot of money when growing up so I didn't get access to the same books, computers and resources that others had which caused money, I want to help ensure that others can learn on the same playing field regardless of their families wealth status or location.
What do you know about Google’s product and technology?
-- A lot actually, I am a beta tester for numerous products, I use most of the Google tools such as: Search, Gmaill, Drive, Reader, Calendar, G+, YouTube, Web Master Tools, Keyword tools, Analytics etc.
If you are Product Manager for Google’s Adwords, how do you plan to market this?
What would you say during an AdWords or AdSense product seminar?
Who are Google’s competitors, and how does Google compete with them?
-- Google competes on numerous fields:
--- Search: Baidu, Bing, Duck Duck Go


## jupyter_shortcuts.md

      
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              Created
              December 16, 2016 22:50
                — forked from kidpixo/jupyter_shortcuts.md
            
              
                Keyboard shortcuts for ipython notebook 3.1.0 / jupyter
              
          
    Toc

Keyboard shortcuts

The IPython Notebook has two different keyboard input modes. Edit mode allows you to type code/text into a cell and is indicated by a green cell border. Command mode binds the keyboard to notebook level actions and is indicated by a grey cell border.
MacOS modifier keys:


⌘  : Command


## ChapterOne_8_8Frequent_words_with_mismatch_and_RC.py
# -*- coding: utf-8 -*-
"""
Created on Sun Oct 20 16:51:16 2013

@author: zhihuixie
Frequent Words with Mismatches Problem (8_7 chapter1)
"""
import itertools
num_mismatch=2
new_list = [''.join(item) for item in itertools.product('ATCG', repeat=num_mismatch)]

## Frequent_Words_with_Mismatches_Problem_(8_7 chapter1).py
# -*- coding: utf-8 -*-
"""
Created on Sun Oct 20 16:51:16 2013

@author: zhihuixie
Frequent Words with Mismatches Problem (8_7 chapter1)
"""
import itertools
num_mismatch=3
new_list = [''.join(item) for item in itertools.product('ATCG', repeat=num_mismatch)]

	FILE SPACING:

	# double space a file
	sed G

	# double space a file which already has blank lines in it. Output file
	# should contain no more than one blank line between lines of text.
	sed '/^$/d;G'
	# -- coding: utf-8 --
	"""
	Created on Sun Oct 20 16:51:16 2013

	@author: zhihuixie
	Frequent Words with Mismatches Problem (8_7 chapter1)
	"""
	import itertools
	num_mismatch=2
	new_list = [''.join(item) for item in itertools.product('ATCG', repeat=num_mismatch)]