Skip to content

Instantly share code, notes, and snippets.

View epsimatic's full-sized avatar

Oleg epsimatic

View GitHub Profile
@lorenadl
lorenadl / rails_active_storage_how_to_validate_file_type.md
Last active November 17, 2025 23:24
[Rails] Active Storage how to validate file type

Rails Active Storage how to restrict uploadable file types

Active Storage doesn't have validations yet.

We can restrict the accepted file types in the form:

<div class="field">
  <%= f.label :deliverable %>
 &lt;%= f.file_field :deliverable, direct_upload: true, 
@ekreutz
ekreutz / ansible_variable_precedence.md
Last active November 20, 2025 23:25
Ansible variable precedence (order, hierarchy)
@adamawolf
adamawolf / Apple_mobile_device_types.txt
Last active March 13, 2026 09:04
List of Apple's mobile device codes types a.k.a. machine ids (e.g. `iPhone1,1`, `Watch1,1`, etc.) and their matching product names
i386 : iPhone Simulator
x86_64 : iPhone Simulator
arm64 : iPhone Simulator
iPhone1,1 : iPhone
iPhone1,2 : iPhone 3G
iPhone2,1 : iPhone 3GS
iPhone3,1 : iPhone 4
iPhone3,2 : iPhone 4 GSM Rev A
iPhone3,3 : iPhone 4 CDMA
iPhone4,1 : iPhone 4S
require "rubygems"
require "rbosa"
if `ps aux`.match(/Things\.app/)
things = OSA.app('Things')
if things.lists[1].to_dos.size != 0
things.lists[1].to_dos.each {|todo|
`echo #{todo.name} | growlnotify -a Things`
}
end