Add dsk learning

[rbdr/txt] / learning.md

diff --git a/learning.md b/learning.md
index 1f8b97b9a02cca89a7a74e516884fc6014581d96..ca70c430e23d037920ddb52369774b79f89a081b 100644 (file)
--- a/learning.md
+++ b/learning.md
@@ -1,3 +1,7 @@
+2024-02-09: Some disk images will be wrecked even if you restore their attributes (apparently DiskCopy 6.3 images).
+2024-01-24: When AppleTalk is enabled you can't use the printer port for a modem in a Macintosh SE/30. You need to disable it in Chooser first.
+2024-01-23: AWS Glue has some very inefficient ways of composing queries, so it's sometimes easier to embed the query itself. In postgres it doesn't let you but you can add sources for each table and then run the query. This seems to work a lot faster.
+2024-01-22: ssl_early_data on; can mess up your responses in safari if you set it in more than one place. What's worse, because of the caching it uses it can be annoying to revert.
 2024-01-21: You can inject HTML and CSS to gitweb without modifying the default files by using $home_text and pointing it to a variable, and push @stylesheets.
 2024-01-20: App groups can let you share application data, but they will create a new container, so unless you have a remote data source it will erase your data. It's better to start new mac or ios projects with a group
 2024-01-19: You can rename the classes in xcdatamodel in order to avoid collisions, in case you named an entity something too generic.