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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's default HTML/CSS link color?
...in any decent graphic editor or using the developer tools of your browser (select an a element, look for computed values>color).
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Filtering Pandas DataFrames on dates
...ils here http://pandas.pydata.org/pandas-docs/stable/dsintro.html#indexing-selection
If the column is not the index you have two choices:
Make it the index (either temporarily or permanently if it's time-series data)
df[(df['date'] > '2013-01-01') & (df['date'] < '2013-02-01')]
See he...
Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?
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You really don't need the array index if you are only selecting one element. But I guess if you want to be explicit. haha
– Rizowski
Apr 22 '15 at 18:46
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How to get the entire document HTML as a string?
...l the OP actually asks for "the entire HTML within the html tags". And the selected best answer by Colin Burnett does achieve this. This particular answer (Erik's) will include the html tags and the doctype. That said, this was totally a diamond in the rough for me and exactly what I was looking fo...
Get class name using jQuery
... , you will have :
myclass mysubclass
So if you want to have the class selector, do the following :
var className = '.'+$('#id').attr('class').split(' ').join('.')
and you will have
.myclass.mysubclass
Now if you want to select all elements that have the same class such as div above :
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Limit results in jQuery UI Autocomplete
...m a mysql query, it is more efficient to limit directly the mysql result:
select [...] from [...] order by [...] limit 0,10
where 10 is the max numbers of rows you want
XSLT getting last element
...put the last() indexing on the nodelist result, rather than as part of the selection criteria. Try:
(//element[@name='D'])[last()]
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MySQL Workbench Dark Theme
...there somewhere else within the Workbench GUI that I need to go to see and select a theme? Besides under "Edit->Preferences-> Fonts & Colors
– edo101
May 7 at 18:54
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How to store arrays in MySQL?
... retrieve a person and all of their fruit you can do something like this:
SELECT p.*, f.*
FROM person p
INNER JOIN person_fruit pf
ON pf.person_id = p.id
INNER JOIN fruits f
ON f.fruit_name = pf.fruit_name
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