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bash: mkvirtualenv: command not found
...ckages written in Python. Many packages can be found in the Python Package Index (PyPI).
sudo apt-get install python-pip
Install Virtual Environment. Used to create virtual environment, to install packages and dependencies of multiple projects isolated from each other.
sudo pip install virtualenv
...
How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...r overhead. Since this is an elementwise operation that does not depend on index alignment, there are very few situations where this method is not an appropriate replacement for pandas' isin.
Pandas routines are usually iterative when working with strings, because string operations are hard to vect...
How to preview git-pull without doing fetch?
... pull the changes and objects without committing them to your local repo's index.
They can be merged later with git merge.
Man Page
Edit: Further Explination
Straight from the Git- SVN Crash Course link
Now, how do you get any new changes from a remote repository? You fetch them:
git fet...
What is bootstrapping?
...
An example of bootstrapping is in some web frameworks. You call index.php (the bootstrapper), and then it loads the frameworks helpers, models, configuration, and then loads the controller and passes off control to it.
As you can see, it's a simple file that starts a large process.
...
Convert XLS to CSV on command line
...d the following line after the oExcel.Workbooks.Open line with the desired index of the worksheet (starts at 1): oBook.Worksheets(1).Activate
– humbads
Oct 30 '13 at 18:19
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Is there a way to change context to iframe in javascript console?
...uldn't quickly figure out how to do this in Chrome; used the cd(frames[<index number>]) in Firefox instead.
– Akrikos
Oct 30 '14 at 14:51
1
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Check if an array contains any element of another array in JavaScript
....some(r=> arr2.includes(r))
ES6:
const found = arr1.some(r=> arr2.indexOf(r) >= 0)
How it works
some(..) checks each element of the array against a test function and returns true if any element of the array passes the test function, otherwise, it returns false. indexOf(..) >= 0 and...
Change Active Menu Item on Page Scroll?
...ef = jQuery(this).attr("href"),
id = href.substring(href.indexOf('#')),
item = jQuery(id);
//console.log(item)
if (item.length) { return item; }
});
// so we can get a fancy scroll animation
...
Difference between json.js and json2.js
...is correct in this case. json2007 was wrong to ignore the first element at index 0.
– Rob Kinyon
Jan 31 '16 at 1:45
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How do I do word Stemming or Lemmatization?
...tically meaningful units and stem to use minimal computing juice and still index a word and its variations under the same key.
See Stemmers vs Lemmatizers
Here's an example with python NLTK:
>>> sent = "cats running ran cactus cactuses cacti community communities"
>>> from nltk...