Merge 295fe153ad into 581aa1decb

README.md

@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
 
 For a steady stream of TILs, [sign up for my newsletter](https://crafty-builder-6996.ck.page/e169c61186).
 
-_1501 TILs and counting..._
+_1503 TILs and counting..._
 
 ---
 
@@ -157,6 +157,7 @@ _1501 TILs and counting..._
 ### CSS
 
 - [Add Fab Icons To Your Site With FontAwesome 5](css/add-fab-icons-to-your-site-with-fontawesome-5.md)
+- [Add Line Numbers To A Code Block With Counter](css/add-line-numbers-to-a-code-block-with-counter.md)
 - [Animate Smoothly Between Two Background Colors](css/animate-smoothly-between-two-background-colors.md)
 - [Apply Multiple Box Shadows To Single Element](css/apply-multiple-box-shadows-to-single-element.md)
 - [Apply Styles Based On Dark-Mode Preferences](css/apply-styles-based-on-dark-mode-preferences.md)
@@ -929,6 +930,7 @@ _1501 TILs and counting..._
 - [Count The Number Of Records By Attribute](rails/count-the-number-of-records-by-attribute.md)
 - [Create A Custom Named References Column](rails/create-a-custom-named-references-column.md)
 - [Create A Join Table With The Migration DSL](rails/create-a-join-table-with-the-migration-dsl.md)
+- [Create Table With bigint Id As Primary Key](rails/create-table-with-bigint-id-as-primary-key.md)
 - [Creating Records of Has_One Associations](rails/creating-records-of-has-one-associations.md)
 - [Custom Validation Message](rails/custom-validation-message.md)
 - [Customize Paths And Helpers For Devise Routes](rails/customize-paths-and-helpers-for-devise-routes.md)

css/add-line-numbers-to-a-code-block-with-counter.md

@@ -0,0 +1,51 @@
+# Add Line Numbers To A Code Block With Counter
+
+The
+[`counter`](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_counter_styles/Using_CSS_counters)
+feature in CSS is a stateful feature that allows you to increment and display a
+number based on elements' locations in the document. This feature is useful for
+adding numbers to headings and lists, but it can also be used to add line
+numbers to a code block.
+
+We need to initialize the counter to start using it. This will give it a name
+and default it to the value 0. We'll tie this to a `pre` tag which wraps our
+lines of code.
+
+```css {{ title: 'globals.css' }}
+pre.shiki {
+  counter-reset: line-number;
+}
+```
+
+Then we need to increment the counter for every line of code that appears in
+the code block
+
+```css {{ title: 'globals.css' }}
+pre.shiki .line {
+  counter-increment: line-number;
+}
+```
+
+Last, we need to display these incrementing `line-number` values _before_ each
+line.
+
+```css {{ title: 'globals.css }}
+pre.shiki .line:not(:last-of-type)::before {
+  content: counter(line-number);
+  /*
+   * plus any styling and spacing of the numbers
+   */
+}
+```
+
+This essentially attaches an element to the front (`::before`) of the line
+whose content is the current value of `line-number`. It is applied to all but
+the last `.line` because [shiki](https://shiki.matsu.io/) includes an empty
+`.line` at the end.
+
+Here is [the real-world example of
+this](https://github.com/pingdotgg/uploadthing/blob/4954c9956c141a25a5405991c34cc5ce8d990085/docs/src/styles/tailwind.css#L13-L37)
+that I referenced for this post.
+
+Note: the counter can be incremented, decremented, or even explicitly set to a
+specific value.

rails/create-table-with-bigint-id-as-primary-key.md

@@ -0,0 +1,30 @@
+# Create Table With bigint ID As Primary Key
+
+When creating a new table with an ActiveRecord migration, we specify all the
+fields _except_ the `id`. The `id`, which is the primary key, is implicit. We
+get it by default.
+
+The type of that `id` defaults to `int` which is a 32-bit signed integer.
+
+We can override the type of `id` in a variety of ways. The one I prefer in most
+cases is to make the `id` of type `bigint`. This is a 64-bit signed integer. It
+offers quite a bit more headroom for the number of unique identifies in our
+table.
+
+This can be specified by including `id: :bigint` as an option to the
+`create_table` method.
+
+```ruby
+class CreatePosts < ActiveRecord::Migration[8.0]
+  def change
+    create_table :posts, id: :bigint do |t|
+      t.string :title, null: false
+      t.string :body, null: false
+
+      t.timestamps
+    end
+  end
+end
+```
+
+[source](https://api.rubyonrails.org/v7.1/classes/ActiveRecord/ConnectionAdapters/SchemaStatements.html#method-i-create_table)