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How do browsers pause/change Javascript when tab or window is not active?
...ble kBackgroundTabTimerInterval = 1.0;
https://codereview.chromium.org/6546021/patch/1001/2001
Firefox
Similar to Chrome, Firefox limits the minimum interval of setInterval to around 1000ms when the tab (not the window) is inactive. However, requestAnimationFrame runs exponentially slower when th...
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...atetimes too (if you use pd.NaT you won't need to specify the dtype)
In [24]: s = Series([Timestamp('20130101'),np.nan,Timestamp('20130102 9:30')],dtype='M8[ns]')
In [25]: s
Out[25]:
0 2013-01-01 00:00:00
1 NaT
2 2013-01-02 09:30:00
dtype: datetime64[ns]``
In [26]: pd.isnul...
How to pass parameters to a view
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answered Oct 18 '11 at 12:48
diradira
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How do I retrieve the number of columns in a Pandas data frame?
...so:
import pandas as pd
df = pd.DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [3,4,5]})
len(df.columns)
3
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How to get the list of all printers in computer
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edited Aug 22 '14 at 14:56
Arvo Bowen
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Is there a Java equivalent to C#'s 'yield' keyword?
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edited Jun 19 '13 at 6:47
answered Jun 18 '13 at 10:59
O...
How to get the last N rows of a pandas DataFrame?
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408
Don't forget DataFrame.tail! e.g. df1.tail(10)
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dplyr: “Error in n(): function should not be called directly”
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edited Jan 27 '15 at 0:44
Michael Bellhouse
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Formatting a float to 2 decimal places
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475
You can pass the format in to the ToString method, e.g.:
myFloatVariable.ToString("0.00"); //...
Storing R.drawable IDs in XML array
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answered Aug 4 '11 at 17:24
Patrick KafkaPatrick Kafka
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