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--- share_2023 [2023/10/24 15:49] – [2023-10-24] admin
+++ share_2023 [2023/12/28 05:30] – [2023-10-24] raju
@@ Line 3: / Line 3: @@
+==== 2023-12-28 ====
+  * https://www.youtube.com/watch?v=XYVrnZK5MAU - How does the Google Authenticator Work? HOTP TOTP Difference | 2FA Authentication
+    * Good explanation; goes into details; high information density; easy to understand.
 ==== 2023-10-24 ====
@@ Line 9: / Line 13: @@
       * This is a fascinating article.
       * Instead of phenylephrine, it is better to use Sudafed. It contains a different drug, pseudoephedrine, that actually is effective against nasal congestion.
-      * Sudafed is available OTC. But you have to ask a Pharmacist about it and show an ID to purchase it.
+      * Sudafed is available OTC. But you have to ask a Pharmacist about it and show an ID to purchase.
+\\
+  * https://www.briananglin.me/posts/spending-5k-to-learn-how-database-indexes-work/ - Spending $5k to learn how database indexes work
+    * I found it interesting because in the olden days, if something is non-optimal, the app will be slow or crash. But now, if the apps are not written well, you could end up with a large bill.
 ==== 2023-10-17 ====