andytlr · July 16, 2018 07:35 · Feb 9, 2016 · Nov 23, 2015 · Nov 23, 2015 · Nov 14, 2015
diff --git a/snippets.md b/snippets.md
@@ -78,6 +78,14 @@ let scrollTo = CGPointMake(0.0, 57.0)
 scrollView.setContentOffset(scrollTo, animated: true)
 ```
 
+## Perform a Segue
+
+Name your segue by clicking on the line that connects the views in your story board. Go to the Attribues Inspector and give your segue an Indetifier, e.g. `SegueName`.
+
+```swift
+performSegueWithIdentifier("SegueName", sender: self)
+```
+
 ## Pass a variable on Segue
 
 In the view controller that you want to receive the variable, set an empty variable and give it a type.

diff --git a/snippets.md b/snippets.md
@@ -133,3 +133,34 @@ if sender.state == .Ended {
   // Runs once when the gesture ends
 }
 ```
+
+
+## Send and Listen for Notifications
+
+Where you want to send the notification:
+
+```swift
+NSNotificationCenter.defaultCenter().postNotificationName("Finished Saving To Camera Roll", object: nil)
+```
+
+If you're sending from a non-view file, you might need to wrap it in this to make sure it's on the main thread:
+
+```swift
+dispatch_async(dispatch_get_main_queue()) {
+  //
+}
+```
+
+Then add an 'observer'/listener in the view you want to know about the notification (probably in viewDidLoad):
+
+```swift
+NSNotificationCenter.defaultCenter().addObserver(self, selector: "runWhenFinishedSavingToCameraRoll", name: "Finished Saving To Camera Roll", object: nil)
+```
+
+Then run the function with that selector at the class level:
+
+```swift
+unc runWhenFinishedSavingToCameraRoll() {
+  // Tell user it finished saving
+}
+```
diff --git a/snippets.md b/snippets.md
@@ -1,14 +1,16 @@
 # Swift Snippets
 
-## Set light status bar
+## Change Status Bar
 
-In the plist file, set `View controller-based status bar appearance` to `NO`. Then in viewDidLoad():
+To make it light, put this inside the View Controller class:
 
 ```swift
-UIApplication.sharedApplication().statusBarStyle = .LightContent
+override func preferredStatusBarStyle() -> UIStatusBarStyle {
+    return .LightContent
+}
 ```
 
-## Hide Status bar
+Or to hide it completely:
 
 ```swift
 override func prefersStatusBarHidden() -> Bool {

diff --git a/editingshortcuts.md → xcodeshortcuts.md b/editingshortcuts.md → xcodeshortcuts.md
diff --git a/snippets.md b/snippets.md
@@ -8,6 +8,14 @@ In the plist file, set `View controller-based status bar appearance` to `NO`. Th
 UIApplication.sharedApplication().statusBarStyle = .LightContent
 ```
 
+## Hide Status bar
+
+```swift
+override func prefersStatusBarHidden() -> Bool {
+  return true
+}
+```
+
 ## Make a scroll view with a big image scroll
 
 Tell the scrollView to be the same size as the imageView:
@@ -80,10 +88,10 @@ In Source View Controller:
 
 ```swift
 override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
-    // Set the destination view controller name at the end of this line.
-    let destinationVC = segue.destinationViewController as! DestinationViewControllerClassName
-    // Give it a value at the end of this line.
-    destinationVC.emptyVariableInDestinationViewController = thingIWantToSetItTo
+  // Set the destination view controller name at the end of this line.
+  let destinationVC = segue.destinationViewController as! DestinationViewControllerClassName
+  // Give it a value at the end of this line.
+  destinationVC.emptyVariableInDestinationViewController = thingIWantToSetItTo
 }
 ```
 

diff --git a/snippets.swift b/snippets.swift
@@ -1,89 +0,0 @@
-// Set light status bar
-////////////////////////////////////////////////////////////////////////////////
-// In the plist file, set `View controller-based status bar appearance` to `NO`
-// Then in viewDidLoad()
-UIApplication.sharedApplication().statusBarStyle = .LightContent
-
-
-// Make a scroll view with a big image scroll
-////////////////////////////////////////////////////////////////////////////////
-// Tell the scrollView to be the same size as the imageView.
-scrollView.contentSize = imageView.frame.size
-// Or, set it to a pixel size.
-scrollView.contentSize = CGSize(width:375, height:1857)
-
-
-// Control a child view controller from a parent.
-////////////////////////////////////////////////////////////////////////////////
-// Define the first `[0]` of the child view controllers with the class name
-// ChildViewControllerClassName as a variable childVC.
-// Won't always need the `self.`
-let childVC = self.childViewControllers[0] as! ChildViewControllerClassName
-// put `childVC.` before the var you want to control from the child VC.
-childVC.thingToControl.alpha = 1
-
-
-// Go Back in Code
-////////////////////////////////////////////////////////////////////////////////
-// Dismiss a modal
-dismissViewControllerAnimated(true, completion: nil)
-// Go back in the history stack.
-navigationController!.popViewControllerAnimated(true)
-
-
-// Do stuff when going back to a view
-////////////////////////////////////////////////////////////////////////////////
-// viewDidLoad() only runs the first time a view loads. If you push the pop a
-// view and want to run some code try viewDidAppear() or viewWillAppear()
-override func viewDidAppear(animated: Bool) {
-}
-
-
-// Set scroll position
-////////////////////////////////////////////////////////////////////////////////
-let scrollTo = CGPointMake(0.0, 57.0)
-scrollView.setContentOffset(scrollTo, animated: true)
-// In viewDidLoad() to hide a search bar or something like that.
-
-
-// Pass a variable on Segue
-////////////////////////////////////////////////////////////////////////////////
-// In the view controller that I want to receive the variable,
-// set an empty variable and give it a type.
-var emptyVariableInDestinationViewController: Bool!
-// In Source View Controller
-override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
-    // Set the destination view controller name at the end of this line.
-    let destinationVC = segue.destinationViewController as! DestinationViewControllerClassName
-    // Give it a value at the end of this line.
-    destinationVC.emptyVariableInDestinationViewController = thingIWantToSetItTo
-}
-
-
-// Autolayout getting f-d up?
-////////////////////////////////////////////////////////////////////////////////
-self.automaticallyAdjustsScrollViewInsets = false
-// in view did load
-
-
-// Get scroll position
-////////////////////////////////////////////////////////////////////////////////
-// See this commit: https://github.com/andytlr/dropbox-carousel/commit/be0ed5dcdc50491995c9e4e1d43e7e21e4ae7dfa
-
-
-// Gesture recognizer stuff
-////////////////////////////////////////////////////////////////////////////////
-// Most common properties in a gesture. These are CGPoints, add .x or .y for axis.
-let location = sender.locationInView(view)
-let translation = sender.translationInView(view)
-let velocity = sender.velocityInView(view)
-// States (go inside the gesture recognizer method)
-if sender.state == .Began {
-  // Runs once on start of gesture
-}
-if sender.state == .Changed {
-  // Runs constantly as the gesture changes
-}
-if sender.state == .Ended {
-  // Runs once when the gesture ends
-}

diff --git a/snippets.md b/snippets.md
@@ -7,3 +7,119 @@ In the plist file, set `View controller-based status bar appearance` to `NO`. Th
 ```swift
 UIApplication.sharedApplication().statusBarStyle = .LightContent
 ```
+
+## Make a scroll view with a big image scroll
+
+Tell the scrollView to be the same size as the imageView:
+
+```swift
+scrollView.contentSize = imageView.frame.size
+```
+
+Or, set it to a pixel size:
+
+```swift
+scrollView.contentSize = CGSize(width:375, height:1857)
+```
+
+## Control a child view controller from a parent.
+
+Define the first `[0]` of the child view controllers with the class name `ChildViewControllerClassName` as a variable childVC:
+
+```swift
+let childVC = self.childViewControllers[0] as! ChildViewControllerClassName
+```
+
+Put `childVC.` before the var you want to control from the child VC:
+
+```swift
+childVC.thingToControl.alpha = 1
+```
+
+
+## Go Back in Code
+
+Dismiss a modal:
+
+```swift
+dismissViewControllerAnimated(true, completion: nil)
+```
+
+Go back in the history stack:
+
+```swift
+navigationController!.popViewControllerAnimated(true)
+```
+
+## Do stuff when going back to a view
+
+`viewDidLoad()` only runs the first time a view loads. If you want to do something when you pop a view try `viewDidAppear()` or `viewWillAppear()`.
+
+```swift
+override func viewDidAppear(animated: Bool) {
+}
+```
+
+
+## Set scroll position
+
+```swift
+let scrollTo = CGPointMake(0.0, 57.0)
+scrollView.setContentOffset(scrollTo, animated: true)
+```
+
+## Pass a variable on Segue
+
+In the view controller that you want to receive the variable, set an empty variable and give it a type.
+
+```swift
+var emptyVariableInDestinationViewController: Bool!
+```
+
+In Source View Controller:
+
+```swift
+override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
+    // Set the destination view controller name at the end of this line.
+    let destinationVC = segue.destinationViewController as! DestinationViewControllerClassName
+    // Give it a value at the end of this line.
+    destinationVC.emptyVariableInDestinationViewController = thingIWantToSetItTo
+}
+```
+
+## Autolayout getting f-d up?
+
+In `viewDidLoad()`:
+
+```swift
+self.automaticallyAdjustsScrollViewInsets = false
+```
+
+## Get scroll position
+
+See [this commit](https://github.com/andytlr/dropbox-carousel/commit/be0ed5dcdc50491995c9e4e1d43e7e21e4ae7dfa).
+
+
+## Gesture recognizer stuff
+
+Most common properties in a gesture. These are `CGPoints`, add `.x` or `.y` for axis:
+
+```swift
+let location = sender.locationInView(view)
+let translation = sender.translationInView(view)
+let velocity = sender.velocityInView(view)
+```
+
+These states go inside the gesture recognizer method:
+
+```swift
+if sender.state == .Began {
+  // Runs once on start of gesture
+}
+if sender.state == .Changed {
+  // Runs constantly as the gesture changes
+}
+if sender.state == .Ended {
+  // Runs once when the gesture ends
+}
+```
diff --git a/snippets.md b/snippets.md
@@ -0,0 +1,9 @@
+# Swift Snippets
+
+## Set light status bar
+
+In the plist file, set `View controller-based status bar appearance` to `NO`. Then in viewDidLoad():
+
+```swift
+UIApplication.sharedApplication().statusBarStyle = .LightContent
+```
diff --git a/editingshortcuts.md b/editingshortcuts.md
@@ -14,7 +14,7 @@ Xcode has something called "Edit All in Scope" (`ctrl` + `cmd` + `e`). It's simi
 
 There aren't actually commands for Delete Line and Duplicate Line, but you can edit a plist file to chain multiple actions together into one command. After editing the `.plist` you can add a shortcuts in `Settings` > `Keybindings`.
 
-Path: `/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist`
+Open `/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist` and put this before the closing `</dict>` and `</plist>` tags:
 
 ```xml
 <key>Custom</key>

diff --git a/editingshortcuts.md b/editingshortcuts.md
@@ -1,6 +1,6 @@
 # Make Xcode Editing More Like Atom/Sublime
 
-Go to `Settings` > `Keybindings` to remap or add keyboard shortcuts. When removing existing keybindings, don't press the keyboard Delete key, click the `–` icon.
+Go to `Settings` > `Keybindings` to remap or add keyboard shortcuts. When removing existing keybindings, don't press the keyboard Delete key, click the `–` icon. Some keybindings can't be deleted `¯\_(ツ)_/¯`; remap these to keybindings that are available.
 
 ## Multiple Selection
 
@@ -26,8 +26,6 @@ Path: `/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/ID
 </dict>
 ```
 
-Detailed [instructions here](http://stackoverflow.com/questions/5834096/how-do-i-create-a-delete-line-keyboard-shortcut-in-xcode-6-the-xcode-3-solution).
-
 ## Move Line
 
 There are commands for Move Line Up and Move Line Down (`cmd` + `option` + `[`/`]`).

diff --git a/editingshortcuts.md b/editingshortcuts.md
@@ -1,16 +1,16 @@
-## Make Xcode Editing More Like Atom/Sublime
+# Make Xcode Editing More Like Atom/Sublime
 
 Go to `Settings` > `Keybindings` to remap or add keyboard shortcuts. When removing existing keybindings, don't press the keyboard Delete key, click the `–` icon.
 
-### Multiple Selection
+## Multiple Selection
 
 Xcode has something called "Edit All in Scope" (`ctrl` + `cmd` + `e`). It's similar but just selects all instances of the selected text.
 
-### Open Quickly
+## Open Quickly
 
 `command` + `shift` + `o`
 
-### Delete Line & Duplicate Line
+## Delete Line & Duplicate Line
 
 There aren't actually commands for Delete Line and Duplicate Line, but you can edit a plist file to chain multiple actions together into one command. After editing the `.plist` you can add a shortcuts in `Settings` > `Keybindings`.
 
@@ -28,10 +28,10 @@ Path: `/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/ID
 
 Detailed [instructions here](http://stackoverflow.com/questions/5834096/how-do-i-create-a-delete-line-keyboard-shortcut-in-xcode-6-the-xcode-3-solution).
 
-### Move Line
+## Move Line
 
 There are commands for Move Line Up and Move Line Down (`cmd` + `option` + `[`/`]`).
 
-### More shortcuts
+## More shortcuts
 
 This [NSHipster Article](http://nshipster.com/xcode-key-bindings-and-gestures/) covers a lot of other shortcuts.
diff --git a/editingshortcuts.md b/editingshortcuts.md
@@ -31,3 +31,7 @@ Detailed [instructions here](http://stackoverflow.com/questions/5834096/how-do-i
 ### Move Line
 
 There are commands for Move Line Up and Move Line Down (`cmd` + `option` + `[`/`]`).
+
+### More shortcuts
+
+This [NSHipster Article](http://nshipster.com/xcode-key-bindings-and-gestures/) covers a lot of other shortcuts.
diff --git a/editingshortcuts.md b/editingshortcuts.md
@@ -1,14 +1,18 @@
 ## Make Xcode Editing More Like Atom/Sublime
 
-Go to `Settings` > `Keybindings` to remap or add keyboard shortcuts.
+Go to `Settings` > `Keybindings` to remap or add keyboard shortcuts. When removing existing keybindings, don't press the keyboard Delete key, click the `–` icon.
 
 ### Multiple Selection
 
 Xcode has something called "Edit All in Scope" (`ctrl` + `cmd` + `e`). It's similar but just selects all instances of the selected text.
 
-### Delete Line
+### Open Quickly
 
-There isn't actually a Delete Line command but you can edit a plist file to chain three actions together into one command. Edit the plist, then you can add a shortcut in `Settings` > `Keybindings`.
+`command` + `shift` + `o`
+
+### Delete Line & Duplicate Line
+
+There aren't actually commands for Delete Line and Duplicate Line, but you can edit a plist file to chain multiple actions together into one command. After editing the `.plist` you can add a shortcuts in `Settings` > `Keybindings`.
 
 Path: `/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist`
 
@@ -17,6 +21,8 @@ Path: `/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/ID
 <dict>
   <key>Delete Line</key>
   <string>moveToEndOfLine:, deleteToBeginningOfLine:, deleteToEndOfParagraph:</string>
+  <key>Duplicate Line</key>
+  <string>moveToBeginningOfLine:, deleteToEndOfLine:, yank:, insertNewline:, moveToBeginningOfLine:, yank:</string>
 </dict>
 ```
 

diff --git a/editingshortcuts.md b/editingshortcuts.md
@@ -0,0 +1,27 @@
+## Make Xcode Editing More Like Atom/Sublime
+
+Go to `Settings` > `Keybindings` to remap or add keyboard shortcuts.
+
+### Multiple Selection
+
+Xcode has something called "Edit All in Scope" (`ctrl` + `cmd` + `e`). It's similar but just selects all instances of the selected text.
+
+### Delete Line
+
+There isn't actually a Delete Line command but you can edit a plist file to chain three actions together into one command. Edit the plist, then you can add a shortcut in `Settings` > `Keybindings`.
+
+Path: `/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist`
+
+```xml
+<key>Custom</key>
+<dict>
+  <key>Delete Line</key>
+  <string>moveToEndOfLine:, deleteToBeginningOfLine:, deleteToEndOfParagraph:</string>
+</dict>
+```
+
+Detailed [instructions here](http://stackoverflow.com/questions/5834096/how-do-i-create-a-delete-line-keyboard-shortcut-in-xcode-6-the-xcode-3-solution).
+
+### Move Line
+
+There are commands for Move Line Up and Move Line Down (`cmd` + `option` + `[`/`]`).
diff --git a/snippets.swift b/snippets.swift
@@ -64,3 +64,26 @@ override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
 ////////////////////////////////////////////////////////////////////////////////
 self.automaticallyAdjustsScrollViewInsets = false
 // in view did load
+
+
+// Get scroll position
+////////////////////////////////////////////////////////////////////////////////
+// See this commit: https://github.com/andytlr/dropbox-carousel/commit/be0ed5dcdc50491995c9e4e1d43e7e21e4ae7dfa
+
+
+// Gesture recognizer stuff
+////////////////////////////////////////////////////////////////////////////////
+// Most common properties in a gesture. These are CGPoints, add .x or .y for axis.
+let location = sender.locationInView(view)
+let translation = sender.translationInView(view)
+let velocity = sender.velocityInView(view)
+// States (go inside the gesture recognizer method)
+if sender.state == .Began {
+  // Runs once on start of gesture
+}
+if sender.state == .Changed {
+  // Runs constantly as the gesture changes
+}
+if sender.state == .Ended {
+  // Runs once when the gesture ends
+}
diff --git a/snippets.swift b/snippets.swift
@@ -5,7 +5,7 @@
 UIApplication.sharedApplication().statusBarStyle = .LightContent
 
 
-// Set a scroll view to the height of an image view
+// Make a scroll view with a big image scroll
 ////////////////////////////////////////////////////////////////////////////////
 // Tell the scrollView to be the same size as the imageView.
 scrollView.contentSize = imageView.frame.size
@@ -31,6 +31,14 @@ dismissViewControllerAnimated(true, completion: nil)
 navigationController!.popViewControllerAnimated(true)
 
 
+// Do stuff when going back to a view
+////////////////////////////////////////////////////////////////////////////////
+// viewDidLoad() only runs the first time a view loads. If you push the pop a
+// view and want to run some code try viewDidAppear() or viewWillAppear()
+override func viewDidAppear(animated: Bool) {
+}
+
+
 // Set scroll position
 ////////////////////////////////////////////////////////////////////////////////
 let scrollTo = CGPointMake(0.0, 57.0)

diff --git a/snippets.swift b/snippets.swift
@@ -50,3 +50,9 @@ override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
     // Give it a value at the end of this line.
     destinationVC.emptyVariableInDestinationViewController = thingIWantToSetItTo
 }
+
+
+// Autolayout getting f-d up?
+////////////////////////////////////////////////////////////////////////////////
+self.automaticallyAdjustsScrollViewInsets = false
+// in view did load
diff --git a/snippets.swift b/snippets.swift
@@ -36,3 +36,17 @@ navigationController!.popViewControllerAnimated(true)
 let scrollTo = CGPointMake(0.0, 57.0)
 scrollView.setContentOffset(scrollTo, animated: true)
 // In viewDidLoad() to hide a search bar or something like that.
+
+
+// Pass a variable on Segue
+////////////////////////////////////////////////////////////////////////////////
+// In the view controller that I want to receive the variable,
+// set an empty variable and give it a type.
+var emptyVariableInDestinationViewController: Bool!
+// In Source View Controller
+override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
+    // Set the destination view controller name at the end of this line.
+    let destinationVC = segue.destinationViewController as! DestinationViewControllerClassName
+    // Give it a value at the end of this line.
+    destinationVC.emptyVariableInDestinationViewController = thingIWantToSetItTo
+}
diff --git a/snippets.swift b/snippets.swift
@@ -29,3 +29,10 @@ childVC.thingToControl.alpha = 1
 dismissViewControllerAnimated(true, completion: nil)
 // Go back in the history stack.
 navigationController!.popViewControllerAnimated(true)
+
+
+// Set scroll position
+////////////////////////////////////////////////////////////////////////////////
+let scrollTo = CGPointMake(0.0, 57.0)
+scrollView.setContentOffset(scrollTo, animated: true)
+// In viewDidLoad() to hide a search bar or something like that.
diff --git a/snippets.swift b/snippets.swift
@@ -1,13 +1,15 @@
 // Set light status bar
 ////////////////////////////////////////////////////////////////////////////////
-UIApplication.sharedApplication().statusBarStyle = .LightContent
 // In the plist file, set `View controller-based status bar appearance` to `NO`
+// Then in viewDidLoad()
+UIApplication.sharedApplication().statusBarStyle = .LightContent
 
 
 // Set a scroll view to the height of an image view
 ////////////////////////////////////////////////////////////////////////////////
+// Tell the scrollView to be the same size as the imageView.
 scrollView.contentSize = imageView.frame.size
-// Or set it to a pixel size
+// Or, set it to a pixel size.
 scrollView.contentSize = CGSize(width:375, height:1857)
 
 

diff --git a/snippets.swift b/snippets.swift
@@ -3,6 +3,7 @@
 UIApplication.sharedApplication().statusBarStyle = .LightContent
 // In the plist file, set `View controller-based status bar appearance` to `NO`
 
+
 // Set a scroll view to the height of an image view
 ////////////////////////////////////////////////////////////////////////////////
 scrollView.contentSize = imageView.frame.size
@@ -19,6 +20,7 @@ let childVC = self.childViewControllers[0] as! ChildViewControllerClassName
 // put `childVC.` before the var you want to control from the child VC.
 childVC.thingToControl.alpha = 1
 
+
 // Go Back in Code
 ////////////////////////////////////////////////////////////////////////////////
 // Dismiss a modal

diff --git a/snippets.swift b/snippets.swift
@@ -18,3 +18,10 @@ scrollView.contentSize = CGSize(width:375, height:1857)
 let childVC = self.childViewControllers[0] as! ChildViewControllerClassName
 // put `childVC.` before the var you want to control from the child VC.
 childVC.thingToControl.alpha = 1
+
+// Go Back in Code
+////////////////////////////////////////////////////////////////////////////////
+// Dismiss a modal
+dismissViewControllerAnimated(true, completion: nil)
+// Go back in the history stack.
+navigationController!.popViewControllerAnimated(true)
diff --git a/snippets.swift b/snippets.swift
@@ -1,19 +1,20 @@
 // Set light status bar
-/////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 UIApplication.sharedApplication().statusBarStyle = .LightContent
 // In the plist file, set `View controller-based status bar appearance` to `NO`
 
 // Set a scroll view to the height of an image view
-/////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 scrollView.contentSize = imageView.frame.size
 // Or set it to a pixel size
 scrollView.contentSize = CGSize(width:375, height:1857)
 
 
 // Control a child view controller from a parent.
-/////////////////////////////////////////////////////////////////////////////////////
-// Define the first `[0]` of the child view controllers with the class name ChildViewControllerClassName as a variable childVC
+////////////////////////////////////////////////////////////////////////////////
+// Define the first `[0]` of the child view controllers with the class name
+// ChildViewControllerClassName as a variable childVC.
 // Won't always need the `self.`
 let childVC = self.childViewControllers[0] as! ChildViewControllerClassName
-// put `childVC.` before the var you want to control from the child view controller.
-childVC.thingToControl.alpha = 1
+// put `childVC.` before the var you want to control from the child VC.
+childVC.thingToControl.alpha = 1
diff --git a/snippets.swift b/snippets.swift
@@ -1,17 +1,17 @@
 // Set light status bar
-//
+/////////////////////////////////////////////////////////////////////////////////////
 UIApplication.sharedApplication().statusBarStyle = .LightContent
 // In the plist file, set `View controller-based status bar appearance` to `NO`
 
 // Set a scroll view to the height of an image view
-//
+/////////////////////////////////////////////////////////////////////////////////////
 scrollView.contentSize = imageView.frame.size
 // Or set it to a pixel size
 scrollView.contentSize = CGSize(width:375, height:1857)
 
 
 // Control a child view controller from a parent.
-//
+/////////////////////////////////////////////////////////////////////////////////////
 // Define the first `[0]` of the child view controllers with the class name ChildViewControllerClassName as a variable childVC
 // Won't always need the `self.`
 let childVC = self.childViewControllers[0] as! ChildViewControllerClassName

diff --git a/snippets.swift b/snippets.swift
@@ -1,3 +1,8 @@
+// Set light status bar
+//
+UIApplication.sharedApplication().statusBarStyle = .LightContent
+// In the plist file, set `View controller-based status bar appearance` to `NO`
+
 // Set a scroll view to the height of an image view
 //
 scrollView.contentSize = imageView.frame.size

diff --git a/snippets.swift b/snippets.swift
@@ -1,5 +1,12 @@
-// Control a child view controller from a parent.
+// Set a scroll view to the height of an image view
+//
+scrollView.contentSize = imageView.frame.size
+// Or set it to a pixel size
+scrollView.contentSize = CGSize(width:375, height:1857)
+
 
+// Control a child view controller from a parent.
+//
 // Define the first `[0]` of the child view controllers with the class name ChildViewControllerClassName as a variable childVC
 // Won't always need the `self.`
 let childVC = self.childViewControllers[0] as! ChildViewControllerClassName

diff --git a/snippets.swift b/snippets.swift
@@ -0,0 +1,7 @@
+// Control a child view controller from a parent.
+
+// Define the first `[0]` of the child view controllers with the class name ChildViewControllerClassName as a variable childVC
+// Won't always need the `self.`
+let childVC = self.childViewControllers[0] as! ChildViewControllerClassName
+// put `childVC.` before the var you want to control from the child view controller.
+childVC.thingToControl.alpha = 1
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