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Pandas DataFrame column to list [duplicate]
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Easier way is just to do df['b'].values. If you select the column before using .values it will avoid a conversion and preserve the original dtype. This is also much more efficient.
– JohnE
Dec 7 '16 at 12:33
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Ternary operator in AngularJS templates
... above creates an object with two properties. The array syntax is used to select either the property with name true or the property with name false, and return the associated value.
E.g.,
<li class="{{{true: 'myClass1 myClass2', false: ''}[$first]}}">...</li>
or
<li ng-class="{tru...
Stop caching for PHP 5.5.3 in MAMP
...tions.
Here are my notes on how each solution works and considerations for selecting a solution.
Each solution works on its own; no need for redundancy.
Webpage code solution
opcache_reset();
<?php opcache_reset(); ?>
Must be added in the webpage code.
Forces all scripts to be reloaded.
Wor...
Check if UIColor is dark or bright?
I need to determine whether a selected UIColor (picked by the user) is dark or bright, so I can change the color of a line of text that sits on top of that color, for better readability.
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pandas: filter rows of DataFrame with operator chaining
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Since version 0.18.1 the .loc method accepts a callable for selection. Together with lambda functions you can create very flexible chainable filters:
import numpy as np
import pandas as pd
df = pd.DataFrame(np.random.randint(0,100,size=(100, 4)), columns=list('ABCD'))
df.loc[lambda ...
What does enctype='multipart/form-data' mean?
...do printf '' | nc -l 8000 localhost; done
Open the HTML on your browser, select the files and click on submit and check the terminal.
nc prints the request received.
Tested on: Ubuntu 14.04.3, nc BSD 1.105, Firefox 40.
multipart/form-data
Firefox sent:
POST / HTTP/1.1
[[ Less interesting hea...
In eclipse, unable to reference an android library project in another android project
...on of this 'Is Library' checkbox. It's not intuitive that this is actually selecting the target of the current app/library build and not an option switch for the libraries to be included.
– EtienneSky
May 16 '12 at 6:42
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Failed to load resource under Chrome
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Right click any element on the page, select "Inspect Element" it will open the "Inspector", Inspector has lots of tabs for debugging the web page, one of them is the "Network" tab, click it, reload the page and check for any network error.
–...
Serialize Class containing Dictionary member
...!= null)
{
list.AddRange(SearchCategories.Keys.Select(key => new SerializeableKeyValue<int, string>() {Key = key, Value = SearchCategories[key]}));
}
return list.ToArray();
}
set
{
SearchCategories = new...
Can't use method return value in write context
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This is a much better answer than the one currently selected.
– SystemParadox
Sep 9 '11 at 14:20
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