Notes/2023-02-28.md

Notes/tech/coding/basic.md
Notes/tech/coding/javascript.md
Notes/tech/coding/rails.md
Notes/tech/coding/ruby.md
Notes/tech/misc.md

Author: dvogt23

Notes/2023-02-28.md

@@ -11,3 +11,8 @@ allow reusability as much as possible. Mostly useful for frontend design.
  - ...
 
 Source: [Brad Frost](https://bradfrost.com/blog/post/atomic-web-design/)
+
+## Coding style
+
+At the linux kernel guideline are some good advices: [The linux kernel - coding style](https://www.kernel.org/doc/html/v4.10/process/coding-style.html#linux-kernel-coding-style)
+Google have some [guidelines](https://google.github.io/styleguide/) for some languages as well.

Notes/tech/coding/basic.md

@@ -43,7 +43,7 @@ Source: [markodenic](https://markodenic.com/use-console-log-like-a-pro/)
 
 ## React location listener
 
-To trigger event son laction change in React:
+To trigger events on location change in React, i.e. for integrate tracking code:
 
 ```js
 import { useEffect } from 'react';

Notes/tech/coding/javascript.md

@@ -22,6 +22,28 @@ Learning from some youtube guys:
 - Some great articles about coding [johnnunemaker](https://www.johnnunemaker.com/)
   - rails, ruby, ...
 
+## Data class
+
+Similiar to the [value-alike objects](https://docs.ruby-lang.org/en/master/Data.html) in ruby(3.2), here an example for rails:
+
+```ruby
+class DataClass
+  ATTRIBUTES = %i[first_name last_name city zipcode phone_number].freeze
+
+  include ActiveModel::Model
+
+  attr_accessor *ATTRIBUTES
+
+  def ==(object)
+    ATTRIBUTES.all? { |attribute| public_send(attribute) == object.public_send(attribute) }
+  end
+end
+
+ConsumerClass.new(DataClass({first_name: "Bill", last_name: "...", ...}))
+```
+
+Links: [Polyfill - Data gem](https://github.com/saturnflyer/polyfill-data)
+
 ## RSpec factory trait & transient
 
 ```ruby

Notes/tech/coding/rails.md

@@ -87,4 +87,35 @@ IP_REGEX = /
 }
 # => true
 ```
-Source: [dev.to/baweaver](https://dev.to/baweaver/pattern-matching-interfaces-in-ruby-1b15)
+Source: [dev.to/baweaver](https://dev.to/baweaver/pattern-matching-interfaces-in-ruby-1b15)
+
+## Refinement
+
+Extend/overwrite string behavior in module (specific scope)
+
+```ruby
+module PatchedString
+  refine String do
+    def +(value)
+      self << ", #{value}"
+    end
+  end
+end
+
+module RegularNamespace
+  def self.append_strings(a, b)
+    a + b
+  end
+end
+
+module PatchedNamespace
+  using PatchedString
+
+  def self.append_strings(a, b)
+    a + b
+  end
+end
+
+RegularNamespace.append_strings("1", "2") # => "12"
+PatchedNamespace.append_strings("1", "2") # => "1, 2"
+```

Notes/tech/coding/ruby.md

@@ -30,6 +30,10 @@ docker ps -q | xargs -n 1 docker inspect --format '{{ .NetworkSettings.Networks.
 
 Show the model in shell `cat /sys/firmware/devicetree/base/model`
 
+### Kubernetes
+
+Some security [guidelines for kubernetes (OWASP)](https://sysdig.com/blog/top-owasp-kubernetes/)
+
 ### SSH
 
 #### Articles