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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...
Android Left to Right slide animation
...s xml file on your anim folder
anim_slide_in_left.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<translate
android:duration="600"
android:fromXDelta="100%"
android:toXDelta="0%" >
<...
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 ...
How accurately should I store latitude and longitude?
...mal degrees distance
places
-------------------------------
0 1.0 111 km
1 0.1 11.1 km
2 0.01 1.11 km
3 0.001 111 m
4 0.0001 11.1 m
5 0.00001 1.11 m
6 0.000001 0.111 m
7 0.0000001 1.11 cm
8 0.0000...
Multi-line commands in GHCi
...provides generalized typing that works for floats as well:
λ: addTwo 2.0 1.0
3.0
If you must provide your own typing, it seems you'll need to use let combined with multiline input (use :set +m to enable multiline input in GHCI):
λ: let addTwo :: Int -> Int -> Int
| addTwo x y = x + ...
Your content must have a ListView whose id attribute is 'android.R.id.list'
...I couldn't get it to work at first:
activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@android:id/list"
>
</ListView>
...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...-cert /usr/local/bin/gdb
Where content of gdb.xml is:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.cs.allow-jit&l...
View the Task's activity stack
...omponentSpecified=false isHomeActivity=false
configuration={ scale=1.0 imsi=310/4 loc=en_US touch=3 keys=2/1/2 nav=2/2 orien=1 layout=34}
resultTo=HistoryRecord{44d174d0 com.android.contacts/.DialtactsContactsEntryActivity} resultWho=favorites resultCode=2
launchFailed=false ...
How do I merge a git tag onto a branch
...ive and reliable way I've found to do this.
Assume you want to merge "tag_1.0" into "mybranch".
$git checkout tag_1.0 (will create a headless branch)
$git branch -D tagbranch (make sure this branch doesn't already exist locally)
$git checkout -b tagbranch
$git merge -s ours mybranc...