LouisdeBruijn

list1 = [102, 306, 918, 2754]
list2 = [1, 3, 9, 27]

averages = []
for idx1, el1 in enumerate(list1):  # first for-loop
  for idx2, el2 in enumerate(list2):  # second for-loop
    if idx1 == idx2:  # check whether the indexes of first * second for-loop match
      y_intercept = el1/el2
      averages.append(y_intercept)
>>> averages

aneesha

from sklearn.feature_extraction.text import TfidfVectorizer, CountVectorizer
from sklearn.decomposition import NMF, LatentDirichletAllocation
import numpy as np

def display_topics(H, W, feature_names, documents, no_top_words, no_top_documents):
    for topic_idx, topic in enumerate(H):
        print "Topic %d:" % (topic_idx)
        print " ".join([feature_names[i]
                        for i in topic.argsort()[:-no_top_words - 1:-1]])
        top_doc_indices = np.argsort( W[:,topic_idx] )[::-1][0:no_top_documents]

nepsilon

How to change your commit messages in Git?

At some point you’ll find yourself in a situation where you need edit a commit message. That commit might already be pushed or not, be the most recent or burried below 10 other commits, but fear not, git has your back 🙂.

Not pushed + most recent commit:

git commit --amend

This will open your $EDITOR and let you change the message. Continue with your usual git push origin master.

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

myusuf3

To remove a submodule you need to:

• Delete the relevant section from the .gitmodules file.
• Stage the .gitmodules changes git add .gitmodules
• Delete the relevant section from .git/config.
• Run git rm --cached path_to_submodule (no trailing slash).
• Run rm -rf .git/modules/path_to_submodule (no trailing slash).
• Commit git commit -m "Removed submodule "
• Delete the now untracked submodule files rm -rf path_to_submodule

umpirsky

This re-styles your sublime text sidebar to be dark, it fits default Monokai theme.

Save the Default.sublime-theme file into packages/Theme - Default, make a backup of your original if you want to be able to go back easily.

Based on:

• https://gist.github.com/olivierlacan/1857652
• https://gist.github.com/larrybotha/2935636

cpatrick

from pymongo import Connection

if __name__ == '__main__':
  
  # Connect to mongo
  conn = Connection()
  db = conn['canepi']
  
  # Set the search term
  term = 'foo'

jtatum

import atomac

a=atomac.getAppRefByLocalizedName('Skype')
cloud_menu = a.AXChildren[2].AXChildren[0]
print cloud_menu
# Some apps are coded so menu items aren't populated until they're displayed
try:
    cloud_menu.Press()
except atomac.ErrorCannotComplete:
    # An accessibility bug you'll see sometimes - the app never reports

darktable

//	Copyright (c) 2012 Calvin Rien
//        http://the.darktable.com
//
//	This software is provided 'as-is', without any express or implied warranty. In
//	no event will the authors be held liable for any damages arising from the use
//	of this software.
//
//	Permission is granted to anyone to use this software for any purpose,
//	including commercial applications, and to alter it and redistribute it freely,
//	subject to the following restrictions: