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Get list from pandas DataFrame column headers
...posted so far, so I'll just leave this here.
Extended Iterable Unpacking (python3.5+): [*df] and Friends
Unpacking generalizations (PEP 448) have been introduced with Python 3.5. So, the following operations are all possible.
df = pd.DataFrame('x', columns=['A', 'B', 'C'], index=range(5))
df
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What is ?= in Makefile
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Not the answer you're looking for? Browse other questions tagged linux linux-kernel makefile or ask your own question.
Upgrading Node.js to latest version
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Ubuntu Linux/Mac:
The module n makes version-management easy:
sudo npm install n -g
For the latest stable version:
sudo n stable
For the latest version:
sudo n latest
###Windows:
just reinstall node from the .msi in Windows from ...
How to create a .gitignore file
...owever I just opened the Git Bash on the directory and was able to use the linux "mv" command like normal.
– gwgeller
Feb 22 '13 at 16:46
494
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...《App Inventor 2 MQTT拓展入门（保姆级教程）》
最新版拓展下载：
de.ullisroboterseite.ursai2pahomqtt.aix
MQTT（Message Queuing Telemetry Transport：消息队列遥测传输）
MQTT 发明于 1999 年，为物联网设计的轻量级协议，基于TCP协议实现。
M...
How to customize a requirements.txt for multiple environments?
...nt configuration in two files (Pipfile and Pipfile.lock). Heroku's current Python buildpack natively supports pipenv and will configure itself from Pipfile.lock if it exists instead of requirements.txt.
See the pipenv link for full documentation of the tool.
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What is the Windows equivalent of the diff command?
...your PATH variable. This will give you not only diff, but also many other linux commands that you can use from the windows command line.
You can set the PATH variable by right clicking on Computer and selecting Properties. Then you can click on Advanced System Settings on the left side of the scr...
How to convert local time string to UTC?
...ing .utcnow() or .utcfromtimestamp(xxx). As you've presumably moved on to python3,you should be using timezone aware datetime objects.
>>> from datetime import timezone
>>> dt_now = datetime.now(tz=timezone.utc)
>>> dt_ts = datetime.fromtimestamp(1571595618.0, tz=timezone...
Where does Vagrant download its .box files to?
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As mentioned in the docs, boxes are stored at:
Mac OS X and Linux: ~/.vagrant.d/boxes
Windows: C:/Users/USERNAME/.vagrant.d/boxes
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
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For anyone using Wagtail on PythonAnywhere just add the '.dev.' at the end of this line in WSGI ... os.environ['DJANGO_SETTINGS_MODULE'] = 'mysite.settings.dev' later you'll need to create a local.py outside of your source repo for your passwords etc.
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