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how to check the dtype of a column in python pandas
...df.select_dtypes(exclude=['string','object']).apply(your_other_function)
http://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.DataFrame.select_dtypes.html
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Why do you not use C for your web apps?
...WAN to .NET Java and PHP, I wrote similar applications in all 4 languages: http://gwan.ch/source/
And, to my dismay, the modern scripting languages were not easier to use.
One part of the job which is especially frustrating is to desperately search for the 'magic' API call that will do what you wa...
Design for Facebook authentication in an iOS app that also accesses a secured web service
...
Use https to transmit the auth token to your server, as stated by Facebook
Sharing of Access Tokens
Our Data Policies explicitly prohibit any sharing of an Access Token
for your app with any other app. However, we do a...
Should IBOutlets be strong or weak under ARC?
...rong should be the default and that the developer docs are being updated.
https://twitter.com/_danielhall/status/620716996326350848
https://twitter.com/_danielhall/status/620717252216623104
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“open/close” SqlConnection or keep open?
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What's the difference between findAndModify and update in MongoDB?
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Argparse: Way to include default values in '--help'?
...42)
It just works works because as we can see trivially from the sources https://github.com/python/cpython/blob/v3.6.5/Lib/argparse.py#L648 that:
RawTextHelpFormatter implements _split_lines
ArgumentDefaultsHelpFormatter implements _get_help_string
so we can guess that they will work together ...
Regular expression matching a multiline block of text
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Better way of getting time in milliseconds in javascript?
...ime with Date.
Date.now is the solution but is not available everywhere : https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Date/now.
var currentTime = +new Date();
This gives you the current time in milliseconds.
For your jumps. If you compute interpolations correctly accord...
Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
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