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pandas GroupBy columns with NaN (missing) values
...ues are now allowed in the grouper using dropna=False:
pd.__version__
# '1.1.0.dev0+2004.g8d10bfb6f'
# Example from the docs
df
a b c
0 1 2.0 3
1 1 NaN 4
2 2 1.0 3
3 1 2.0 2
# without NA (the default)
df.groupby('b').sum()
a c
b
1.0 2 3
2.0 2 5
# with NA
df...
What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...le, I am developing Foo library, which depends on a specific version (e.g. 1.0) of Bar library. Assuming I cannot make use of other version of Bar lib (because API change, or other technical issues, etc). If I simply declare Bar:1.0 as Foo's dependency in Maven, it is possible to fall into a probl...
Android: create a popup that has multiple selection options
I've been searching around trying to figure out how to create a popup or a dialog that has 4 options to choose from.
4 Answ...
Why dict.get(key) instead of dict[key]?
...ited Apr 7 '17 at 7:22
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Jun 14 '12 at 21:12
...
Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
...shed some lights on this, it'll be greatly appreciated.
<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<CORSRule>
<AllowedOrigin>https://mydomain.com</AllowedOrigin>
<AllowedMethod>GE...
iOS 7 TableView like in Settings App on iPad
... lineLayer: CALayer = CALayer()
var lineHeight: CGFloat = (1.0 / UIScreen.mainScreen().scale)
lineLayer.frame = CGRectMake(CGRectGetMinX(bounds)+10, bounds.size.height-lineHeight, bounds.size.width-10, lineHeight)
lineLayer.backgroundColor = tableView....
Numpy index slice without losing dimension information
....matmul() or @). Just got burned by this.
– Jean-François Corbett
Mar 27 '19 at 12:02
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show 3 more comments
...
Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
...can't install php-intl on your server, you can explicitly add symfony/icu ~1.0 to your composer.json. 1.0 does not require php-intl, whereas 1.1+ does.
If you don't need translation features:
$ php bin/composer.phar require symfony/icu ~1.0
Without this declaration and trying to install symfony/...
Difference between using bean id and name in Spring configuration file
...e this configuration file, let's call it as spring1.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans ...>
<bean id="foo" class="com.intertech.Foo"></bean>
<bean id="bar" class="com.intertech.Bar"></bean>
</beans>
Spring returns Foo object for, Foo f ...
Entity Framework Join 3 Tables
...o see the answer as I asked, thanks a lot again.
– Erçin Dedeoğlu
Jan 10 '14 at 18:46
@MarcinJuraszek : if i need a ...