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Is there a splice method for strings?
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10 Answers
10
Active
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
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170
The purpose of the activation function is to introduce non-linearity into the network
in turn, ...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
... with rails 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
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80
Here's a small kmeans that uses any of the 20-odd distances in
scipy.spatial.distance, or a user...
What's the difference between “mod” and “remainder”?
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edited Jul 18 '13 at 20:13
Grijesh Chauhan
51.1k1515 gold badges117117 silver badges179179 bronze badges
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Fast stable sorting algorithm implementation in javascript
I'm looking to sort an array of about 200-300 objects, sorting on a specific key and a given order (asc/desc). The order of results must be consistent and stable.
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How to overcome TypeError: unhashable type: 'list'
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As indicated by the other answers, the error is to due to k = list[0:j], where your key is converted to a list. One thing you could try is reworking your code to take advantage of the split function:
# Using with ensures that the file is properly closed when you're done
with open('filename....
Google Maps: how to get country, state/province/region, city given a lat/long value?
...ld look like:
http://maps.googleapis.com/maps/api/geocode/json?latlng=40.714224,-73.961452&sensor=false
Response:
{
"status": "OK",
"results": [ {
"types": [ "street_address" ],
"formatted_address": "275-291 Bedford Ave, Brooklyn, NY 11211, USA",
"address_components": [ {
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How to round a number to n decimal places in Java
...ngMode(RoundingMode.CEILING);
for (Number n : Arrays.asList(12, 123.12345, 0.23, 0.1, 2341234.212431324)) {
Double d = n.doubleValue();
System.out.println(df.format(d));
}
gives the output:
12
123.1235
0.23
0.1
2341234.2125
EDIT: The original answer does not address the accuracy of th...
Iterate a list with indexes in Python
...e this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
6 An...