wrobstory

import pytest

def setup_function(function):
    foo = 1
    function(foo)

def test_thing(thing):
    two = thing + 1
    assert two == 2

wrobstory

scala> val mymap = new ConcurrentHashMap[String, Int]
mymap: java.util.concurrent.ConcurrentHashMap[String,Int] = {}

scala> mymap.put("one", 1)
res8: Int = 0

scala> mymap.put("zero", 0)
res9: Int = 0

scala> mymap.get("one")

wrobstory

from random import gauss

from IPython.display import clear_output
from IPython.html import widgets
from IPython.utils.traitlets import link
import matplotlib.pyplot as plt
import seaborn as sns

%matplotlib inline

wrobstory

from IPython.html import widgets

toggle = widgets.ToggleButton()
def foo():
    if toggle.value is True:
        print("The Toggle is True!")
    else:
        print("The Toggle is False!")
toggle.on_trait_change(foo)
display(toggle)

wrobstory

scala> val listOfTuples = List(("one", Map("foo" -> 1, "bar" -> 2)),
     |                         ("two", Map("baz" -> 3, "qux" -> 4)),
     |                         ("three", Map()))
listOfTuples: List[(String, scala.collection.immutable.Map[_ <: String, Int])] = List((one,Map(foo -> 1, bar -> 2)), (two,Map(baz -> 3, qux -> 4)), (three,Map()))

scala> val thirdTuple = listOfTuples(2)
thirdTuple: (String, scala.collection.immutable.Map[_ <: String, Int]) = (three,Map())

scala> val thirdTupleMap = thirdTuple._2
thirdTupleMap: scala.collection.immutable.Map[_ <: String, Int] = Map()

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scala> val foo = Map("one" -> "two")
foo: scala.collection.immutable.Map[String,String] = Map(one -> two)

scala> foo.getOrElse("nokey", None)
res67: java.io.Serializable = None

scala> foo.getOrElse("nokey", null)
res68: String = null

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scala> val fooList: List[String] = List()
fooList: List[String] = List()

scala> foo :+ "one"
res117: List[String] = List(one)

scala> foo +: "one"
res118: scala.collection.immutable.IndexedSeq[Any] = Vector(List(), o, n, e)

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Robs-MacBook-Pro:WASKOMDROOLS robstory$ virtualenv .env
New python executable in .env/bin/python2.7
Also creating executable in .env/bin/python
Installing setuptools, pip...done.
Robs-MacBook-Pro:WASKOMDROOLS robstory$ source .env/bin/activate
(.env)Robs-MacBook-Pro:WASKOMDROOLS robstory$ pip install matplotlib
Downloading/unpacking matplotlib
  Downloading matplotlib-1.4.3-cp27-none-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (47.6MB): 47.6MB downloaded
Downloading/unpacking nose>=0.11.1 (from matplotlib)
  Downloading nose-1.3.4-py2-none-any.whl (154kB): 154kB downloaded

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In [60]: df = pd.DataFrame({"foo": [1, 2], "bar": [3, 4]})

In [61]: df.rename({"foo": "foo_1", "bar": "bar_1"})
Out[61]: 
   bar  foo
0    3    1
1    4    2

In [62]: df.rename(columns={"foo": "foo_1", "bar": "bar_1"})
Out[62]: 

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scala> import scala.collection.mutable.Queue
import scala.collection.mutable.Queue

scala> var newQ = Queue(1, 2, 3, 4, 5)
newQ: scala.collection.mutable.Queue[Int] = Queue(1, 2, 3, 4, 5)

scala> newQ.take(3)
res0: scala.collection.mutable.Queue[Int] = Queue(1, 2, 3)

scala> newQ