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How do I do word Stemming or Lemmatization?
...e, you must download the corpus prior to using it. This can be done by:
>>> import nltk
>>> nltk.download('wordnet')
You only have to do this once. Assuming that you have now downloaded the corpus, it works like this:
>>> from nltk.stem.wordnet import WordNetLemmatiz...
Can Python print a function definition?
...
If you are importing the function, you can use inspect.getsource:
>>> import re
>>> import inspect
>>> print inspect.getsource(re.compile)
def compile(pattern, flags=0):
"Compile a regular expression pattern, returning a pattern object."
return _compile(pat...
Reduce, fold or scan (Left/Right)?
...on over a list of numbers (using seed value 0) List(-2,-1,0,1,2)
{0,-2}=>-2 {-2,-1}=>-3 {-3,0}=>-3 {-3,1}=>-2 {-2,2}=>0 scan List(0, -2, -3, -3, -2, 0)
{0,-2}=>-2 {-2,-1}=>-3 {-3,0}=>-3 {-3,1}=>-2 {-2,2}=>0 scanLeft (a+b) List(0, -2, -3, -3, -2, ...
What is the difference between tree depth and height?
...es, just subtract 1. I prefer to count the number of vertices, as this results in a graph with only one node having width 1, and an empty graph having width 0. mathworld.wolfram.com/GraphDiameter.html
– Daniel A.A. Pelsmaeker
Nov 26 '18 at 10:48
...
Android Fragment onClick button Method
...in activity. initialize button in fragment and set listener to the same.
<Button
android:id="@+id/btn_conferma" // + missing
Then
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layou...
How can I print variable and string on same line in Python?
...ths,"births"
, in print statement separates the items by a single space:
>>> print "foo","bar","spam"
foo bar spam
or better use string formatting:
print "If there was a birth every 7 seconds, there would be: {} births".format(births)
String formatting is much more powerful and allows yo...
python list by value not by reference [duplicate]
...ctions of mutable objects as inner objects keep their references intact:
>>> a = [[1,2],[3],[4]]
>>> b = a[:]
>>> c = list(a)
>>> c[0].append(9)
>>> a
[[1, 2, 9], [3], [4]]
>>> c
[[1, 2, 9], [3], [4]]
>>> b
[[1, 2, 9], [3], [4]]
>...
Sort a list by multiple attributes?
... @Amyth or another option, if key is number, to make it reverse, you can multiple it by -1.
– Serge
Apr 6 '16 at 11:21
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show 11 more commen...
Add Variables to Tuple
...an add a tuple of multiple elements with or without that trailing comma.
>>> t = ()
>>> t = t + (1,)
>>> t
(1,)
>>> t = t + (2,)
>>> t
(1, 2)
>>> t = t + (3, 4, 5)
>>> t
(1, 2, 3, 4, 5)
>>> t = t + (6, 7, 8,)
>>> t
(1,...
What does the 'u' symbol mean in front of string values? [duplicate]
...er will focus on Python 2.
You can create a Unicode string multiple ways:
>>> u'foo'
u'foo'
>>> unicode('foo') # Python 2 only
u'foo'
But the real reason is to represent something like this (translation here):
>>> val = u'Ознакомьтесь с документаци...