Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on Public Speech

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. Talk Slowly (2x slower than usual)

  2. Invite Questions

  3. Excited!!!

  4. Fun

  5. Mention people's name (gave people credit)

Incognito Mode for Browsers

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

The incognito mode is important for browsers for a few reasons.

  1. Testing purpose
  2. Some apps (e.g., secure emails) can only be used in incognito mode.

Chrome

Firefox

Format a Flash Drive in a Linux Virtual Machine

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. Install VirtualBox.

  2. Create a Ubuntu virtual machine.

  3. Install extension package.

  4. enable USB support

  5. select the flash drive you want to format to connect to the VM.

  6. use linux commands to format …

ModuleNotFoundError: No Module Named _Ctypes in Python 3.7

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Issue

The error message "Modulenotfounderror: No Module Named _Ctypes" is thrown when intalling packages in Python 3.7.

Cause

libffi-dev is needed to cleanly build Python 3.7.

Solution

  1. Remove Python …