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How to split a column into two columns?
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Be aware that .tolist() will remove any indexes you had, so your new Dataframe will be reindexed from 0 (It doesn't matter in your specific case).
– Crashthatch
Mar 27 '13 at 14:59
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Prevent screen rotation on Android
...g:
Store your current screen orientation inside your activity using getRequestedOrientation().
Disable auto screen orientation using setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR).
Run/execute your AsyncTask.
At the end of your AsyncTask restore your previous orientation status ...
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...ead of a Series) so you can do:
df.groupby(['col1', 'col2']).size().reset_index(name='counts')
If you want to find out how to calculate the row counts and other statistics for each group continue reading below.
Detailed example:
Consider the following example dataframe:
In [2]: df
Out[2]:...
How do you make sure email you send programmatically is not automatically marked as spam?
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brandonchecketts.com/emailtest.php you can test if your mail server setup conforms to DomainKeys, DKIM, SPF and other anti-spam methods.
– Jonas
Jun 9 '10 at 7:02
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What rules does Pandas use to generate a view vs a copy?
...is provided, it will modify in-place; only some operations support this
An indexer that sets, e.g. .loc/.iloc/.iat/.at will set inplace.
An indexer that gets on a single-dtyped object is almost always a view (depending on the memory layout it may not be that's why this is not reliable). This is main...
What does the tilde (~) mean in my composer.json file?
...swered Sep 24 '13 at 11:29
AlterPHPAlterPHP
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How do I use HTML as the view engine in Express?
...imple change from the seed and created the corresponding .html files (e.g. index.html).
16 Answers
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...is that it raises the probability that SQL Server can access the data from indexes rather than querying the table data.
Here's a post I wrote about it: The real reason select queries are bad index coverage
It's also less fragile to change, since any code that consumes the data will be getting t...
Replace values in list using Python [duplicate]
...oesn't actually save time:
items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
for index, item in enumerate(items):
if not (item % 2):
items[index] = None
Here are (Python 3.6.3) timings demonstrating the non-timesave:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
......
Take screenshots in the iOS simulator
... There is no ready-to-use solution as per stackoverflow.com/q/23661097/1659311
– Wojciech Rutkowski
Apr 24 '15 at 13:09
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