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Multiple aggregations of the same column using pandas GroupBy.agg()
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It has already been said, but using dictionaries for renaming output columns from age is deprecated. You can instead specify a list of tuples. See this answer.
– cs95
Jan 22 '19 at 1:53
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In Clojure, when should I use a vector over a list, and the other way around?
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While you're on freenode, come to the dark side and join #stackoverflow! :-P
– Chris Jester-Young
Jul 18 '09 at 17:31
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Simple tool to 'accept theirs' or 'accept mine' on a whole file using git
...rom path names (filenames, directories). It is important if Git cannot decide if a name is the name of branch or the name of file. This follows POSIX (or GNU) convention of using double dash to separate options from arguments (filenames).
– Jakub Narębski
Oc...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
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There is no practical difference provided you use BOOL variables as booleans. C processes boolean expressions based on whether they evaluate to 0 or not 0. So:
if(someVar ) { ... }
if(!someVar) { ... }
means the same as
if(someVar!=0) { ... }
if(someVar==0)...
What is the difference between .text, .value, and .value2?
...what is displayed on the screen for the cell. Using .Text is usually a bad idea because you could get ####
.Value2 gives you the underlying value of the cell (could be empty, string, error, number (double) or boolean)
.Value gives you the same as .Value2 except if the cell was formatted as currenc...
How to force HTTPS using a web.config file
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This works, but unfortunately also on localhost. To avoid this you can add this to <conditions>: <add input="{HTTP_HOST}" pattern="localhost" negate="true" />
– wezzix
Aug 17 '17 at 15:29
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What is the difference between mocking and spying when using Mockito?
...mailing list, partial mock support was added to Mockito. Previously we considered partial mocks as code smells. However, we found a legitimate use case for partial mocks.
Before release 1.8 spy() was not producing real partial mocks and it was confusing for some users. Read more about spying: here o...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...ion, which can be a significant performance overhead in a tight loop.
Consider these examples...
1.py
something = 'something'
for i in xrange(1000000):
if something == 'this':
the_thing = 1
elif something == 'that':
the_thing = 2
elif something == 'there':
the...
Publish to S3 using Git?
...all. (see InstallationNotes)
Specify your Security Credentials (Access Key ID & Secret Access
Key) by one of the following methods:
using the passwd_file command line option
setting the AWSACCESSKEYID and AWSSECRETACCESSKEY environment variables
using a .passwd-s3fs file in your home directory...
Understanding Fragment's setRetainInstance(boolean)
...to using onConfigurationChanged with an Activity... don't use it as a bandaid just because you are too lazy to implement/handle an orientation change correctly. Only use it when you need to.
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