Two ways to update docs in cursor objects with pymongo
I have a collection with: name weight amount—————————————-apple 2 3banana 2 5pear 2 …
How to reference python variable in jupyter notebook markdown cell
Install Jupyter notebook extension plugin: conda install -c conda-forge jupyter_contrib_nbextensions jupyter contrib nbextension install –user Go to Jupyter notebook click Nbextensions enable Python Markdown use {{python variable}} in markdown cell. 🙂
pycharm for django and sass
For django: professional version. create a new django project: just create a new one import a django project: import the project activate django support For Sass: make sure, the sass support is activate: File -> Setting -> Plugin install…
magic tts code for console
var msg = new SpeechSynthesisUtterance(‘Hello World’); window.speechSynthesis.speak(msg);
Decode a famous website
Many news medien encode their paid text, but some of them has very simple encode mechanism. 😀 I wrote the following code to decode a famous webseite. Just copy following codes in the console, then, you will see the text.…
Cassandra, Python, R, Node.js
It is quite nice, that Cassandra has driver for Python, R and Node.js. If you want to build a website with Cassandra DB which has also heavily scientific programming, I would suggest the following combination: Python Flask or Django +…
the most useful pycharm hotkey
ctrl + s : save all ctrl + y : delete row ctrl + b / ctrl + click: go to the source