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Pandas groupby: How to get a union of strings
... 1 0.749065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B float64
C object
dtype: object
When you apply your own function, there is not automatic exclusions of non-numeri...
How can I use UUIDs in SQLAlchemy?
...I totally agree with you. Some of the other answers are cool for other databases, but for postgres this is the cleanest solution. (You can also set a default as uuid.uuid4).
– pacha
Apr 10 '18 at 16:38
...
Where can I set environment variables that crontab will use?
...environment -- not done by cron (usually switches HOME)
. $HOME/.cronfile
base=`basename $0`
cmd=${REAL_HOME:-/real/home}/bin/$base
if [ ! -x $cmd ]
then cmd=${HOME}/bin/$base
fi
exec $cmd ${@:+"$@"}
(Written using an older coding standard - nowadays, I'd use a shebang '#!' at the start.)
The ...
vs.
...w-pane" frameborder="0" height="352" width="396" src="data:application/pdf;base64, ..DATAURLHERE!... "></iframe>
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Android studio - Failed to find target android-18
...t files.
Fixed by:
export ANDROID_HOME= pathtobundle/adt-bundle-linux-x86_64-20130729/sdk
If you don't have the ADT installed, and just want the SDK, it seems like a good solution is to install everything and then point Android Studio to the just the packaged SDK.
cd pathtobundle
wget http://dl.g...
Import regular CSS file in SCSS file?
...NOTE:
It appears this isn't working for everybody. If your interpreter is based on libsass it should be working fine (checkout this). I've tested using @import on node-sass and it's working fine. Unfortunately this works and doesn't work on some ruby instances.
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Eclipse error: 'Failed to create the Java Virtual Machine'
...
@Maro Yes it was. Looking at getting upgraded to 64bit.
– Popeye
Sep 17 '12 at 19:10
1
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Node.js: what is ENOSPC error and how to solve?
...sed inotify watch takes up 540 bytes (32-bit system), or 1 kB (double - on 64-bit). This comes out of kernel memory, which is unswappable. So, assuming you set the max at 524288, and all were used (improbable), you'd be using approx. 256MB/512MB of 32-bit/64-bit kernel memory.
–...
How do you delete a column by name in data.table?
...
@user3969377 if you want to remove a column based on the contents of a character variable you'd simply wrap it in parenthesis. Ie. df[,(afoo):=NULL]
– Dean MacGregor
Jul 9 '15 at 19:26
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Script entire database SQL-Server
...y I can get a scripting of all tables, procs, and other objects from a database? I know there's an option to script the database but it only gave me some sort of top level script, certainly not a script to create all tables, procs, udfs, .etc.
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