vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

sjrogers

How To Add "Last Accessed" Column In Calibre

Calibre does not keep track of the last time you opened a book, but your filesystem does. Or at least, it kinda does. Thankfully you can use Calibre template functions and custom columns to make use of this information.

Step 1: Create Template Function

1. Go to Preferences -> Advanced -> Template Functions
2. Select the Function field at the bottom left of the window

hoishing

Disable Gatekeeper with Configuration Profiles

Starting from macOS 15, sudo spctl --master-disable is no longer supported to disable Gatekeeper.

We need to disbale it with Configuration Profiles.

How

• Create a new configuration profile, an XML file with .mobileconfig extension, refer the sample file in this gist
• replace the UUID with your own, you can use uuidgen in terminal to generate a new one