To copy text in vim into system clipboard to paste at other app (like Terminal), built-in vi in MacOS isn't compiled with GUI all tricks on Internet doesn't work. The possible option:

• Install vim with brew: brew install vim, launch with vim (from brew) instead of vi (from MacOS)
• Switch to Visual mode (type v)
• Select the block
• Use :+y to copy (read more)

To download old version of Chrome browser:

1. Find the desire version by looking up on date at https://chromereleases.googleblog.com/2019/04, note down the version like 74.0.3729.131
2. Visit https://omahaproxy.appspot.com/, paste the version to Version textbox in panel Version Information. Copy the value of field Branch Base Position, like 638880
3. Visit https://commondatastorage.googleapis.com/chromium-browser-snapshots/index.html, go to folder for your OS, and enter value of Branch Base Position on the Filter textbox
4. Download .zip file, done

git clone https://github.com/speed47/spectre-meltdown-checker.git ~/tmp/spectre-meltdown-checker
cd ~/tmp/spectre-meltdown-checker/ && sudo ./spectre-meltdown-checker.sh

Make sure to save the result to file for verifying after patching

• Filter messages. TLTR:
  • In Filter window, by default, properties (Subject, From, To, etc.) are combined with AND operator
  • In a property having multiple search values:
    • To indicate and operator, use a space between 02 values. For instance: Subject:KMS ICT gives emails in which its subject contains both KMS and ICT e.g. The ICT Friendship 2016 - KMS join ..., The ICT Friendship 2016 - KMS vs Axon Active ...
    • To indicate or operator, use OR betweens 02 values. For instance: Subject:Birthday OR Cellphone gives emails in which its subject contains either Birthday and Cellphone
• To specify a phrase for a search

{label:notification-trello label:notification-github label:notification-bank label:news} older_than:3m

Run curl -L -o ~/tmp/del.zip https://github.com/WebKit/webkit/archive/master.zip and see Activity Monitor app

1. Setup Formatting and Whitespace
2. Ignore chmod changes

• Install iTerm2
• Remap moving word keys
• Adjust shell command prompt