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Detect and exclude outliers in Pandas data frame
...f = pd.DataFrame(np.random.randn(100, 3))
from scipy import stats
df[(np.abs(stats.zscore(df)) < 3).all(axis=1)]
description:
For each column, first it computes the Z-score of each value in the
column, relative to the column mean and standard deviation.
Then is takes the absolute of Z-score...
PHP - Get key name of array value
...rray_search() like this:
$arr = array ('first' => 'a', 'second' => 'b', );
$key = array_search ('a', $arr);
$key will now contain the key for value 'a' (that is, 'first').
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How to get started with developing Internet Explorer extensions?
...or Internet Explorer 8, in Windows 7 x64 and Visual Studio 2010) is at the bottom of this answer.
Creating a Working Internet Explorer 11 Add-on
I am using Visual Studio 2017 Community, C#, .Net Framework 4.6.1, so some of these steps might be slightly different for you.
You need to open Visual S...
Why are Python lambdas useful? [closed]
I'm trying to figure out Python lambdas. Is lambda one of those "interesting" language items that in real life should be forgotten?
...
How to remove unused imports in Intellij IDEA on commit?
...When you commit, tick the Optimize imports option on the right. This will become the default until you change it.
I prefer using the Reformat code option as well.
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Why can't Python's raw string literals end with a single backslash?
Technically, any odd number of backslashes, as described in the documentation .
12 Answers
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Add missing dates to pandas dataframe
...s on a given date or NO events on a date. I take these events, get a count by date and plot them. However, when I plot them, my two series don't always match.
...
How to move an iFrame in the DOM without losing its state?
...
It isn't possible to move an iframe from one place in the dom to another without it reloading.
Here is an example to show that even using native JavaScript the iFrames still reload:
http://jsfiddle.net/pZ23B/
var wrap1 = document.getEle...
How do I write good/correct package __init__.py files
...owerful reasons to use import * in an __init__.py to import packages is to be able to refactor a script that has grown into multiple scripts without breaking an existing application. But if you're designing a package from the start. I think it's best to leave __init__.py files empty.
for example:
...
What does inverse_of do? What SQL does it generate?
... through a relationship.
Their example:
class Dungeon < ActiveRecord::Base
has_many :traps, :inverse_of => :dungeon
has_one :evil_wizard, :inverse_of => :dungeon
end
class Trap < ActiveRecord::Base
belongs_to :dungeon, :inverse_of => :traps
end
class EvilWizard < ActiveRe...