ERROR: A required extension module could not be imported because it is incompatible with your system. A quick fix is to recompile the extension modules with the following command:

got errors like this one:
https://github.com/marcelm/cutadapt/issues/196


pip uninstall cutadapt

pip install --user --upgrade cutadapt

It solved the problem.

How to extract color identity from an image

Only this website works with .png so far:

https://html-color-codes.info/colors-from-image/

Macbook: Bluetooth not available

Solution:
1. Open Finder
2. Hold option and click GO -> Library
3. In the folder Library, Navigate to Preferences
4. Delete the file com.apple.Bluetoothfileexchange.plist

You may or may not have to restart your computer


Adapted from : https://www.howtoturnitoffandonagain.com/2016/03/01/how-to-fix-bluetooth-not-available-mac-os-x-problem/

Overture 已停止运作

“

overture 4.0 停止運作 終於找到解決辦法 只要按住ENTER鍵不放點開OVERTURE即可(不需要改相容性)

”

Reference: http://bbs.popiano.org/thread-429985-1-1.html

how to check the location of .iso file that your VirtualBox is dependent on

I've installed a VirtualBox inside which a Windows was installed.

Now I need that .iso file to install on another machine.

Steps:

1. Open Virtual Box and click on the system (Win8.1) icon
2. Click "Details" on the right
3. Move curser onto the "Storage" box and click
4. move curser onto the [Optical Drive] then the path will be shown on Mac

how to let sed recognize \t

Not all versions of sed understand \t. Just insert a literal tab instead (press Ctrl-V then Tab).

reference: https://stackoverflow.com/a/2610121/3020740

how to disable Matlab underscore recognition when passing texts

You can set the interpreter to be "None" instead of LaTex as default, for many functions.
But this option is not always available.

A better way is: type \_

Reference: https://www.mathworks.com/matlabcentral/answers/9260-disabling-printing-underscore-as-subscript-in-figures#comment_20281