Please add more! See also TipsAndTricks for snippets of useful information.

See also ObjectLibrary, CocoaDevUsersAdditions.

• Usable code (not example code)

• CocoaSpriteKit
• CompareNumerically two strings
• FoundationCollectionsPalette (subclassing IBInspector)
• KTLLMutableArray (subclassing NSMutableArray; implementing DesignDoublyXORLinkedList)
• MethodSwizzling
• BSTrampoline (HigherOrderMessaging for collections)
• LSTrampoline (alternative implementation for HOM; not restricted to use with collections)
• IconaraDOM (Document Object Model framework for working with XML-data in ObjectiveC)
• MultiProcessorWorkSharing (Taking advantage of multiprocessor systems for coarse- and fine-grained parallelism)
• NotificationOnNewNetwork (SystemConfiguration notification handler)
• FTSWAbstractSingleton - base class that allows the quick implementation of singleton objects, just sub-class
• PredicateSorting - An example application to sort tables columns based on predicates.

• AUUIDClass - A simple UUID class.

• User Interface Issues, i.e. AppKit

• AlternatingRowColors in NSTableView/NSOutlineView
• ButtonsInTableOrOutlineViews
• CheckingForUpdatesToYourApp
• ClickableUrlInTextView
• CocoaSpreadSheetHelp (link to download)
• CopyAndPaste
• DirectoryOpenPanel
• DisplayingSheets
• DockImageExample
• DragAndDropTableView
• ExtendibleWindow
• FlowLayoutView
• FocusRingAroundTableView
• HowToCreateWalkingAnts and selection rectangles
• HtmlDisplayFramework
• HtmlSourceView (with colors)
• LineNumbers
• MakingAppServices
• MakingServices
• MonacoInItalic
• NSOpenPanel
• NSOpenPanelWithFileTypes
• NSTextFieldSampleCode
• NSToolbarItemSampleCode
• OReillyAddressBookTableExample - includes discussion of adapting for use with CocoaBindings
• ParsingHtmlInTextView
• ReplaceSaveChangesSheet
• SampleTableCode
• SavingNSSplitViewPosition
• SearchTextFieldCell
• SendingAppleEventsToSystemProfiler
• SendingEmailMessages with NSWorkspace
• ShowAlertAndWriteToLog
• SortingTableViewByColumn
• ToolTip
• TrackingAMovingWindow – keeping track of a dragged around window’s frame rect
• TrackingSlider
• UFISpringyPanel — window that resizes to fit changing content size

• WindowShade

• Graphics, Games, Multimedia

• AnimationTechniquesAndCocoa
• EnhancingBuiltInImageImport
• GameKeyboardHandlingAlmost
• HitDetection
• ImageTransparencyFiltering
• MakingFractalsUsingBitmapImageRep
• MovieViewAudioPlaybackWithBugWorkaround
• RoundedRectangles
• SampleScreenSaverViews
• SimpleAnimationExamples (e.g. using NSTimer)
• SimplisticColourCoding
• SmoothImageView

*Objective-C and OOP Concepts

• AccessorMethods
• CategorySampleCode
• SingletonDesignPattern
• RetainReleaseTips
• WorkingWithSelectors
• UsingArchiversAndUnarchivers

• InstanceCounting - MethodSwizzling and debugging

• Foundation Framework Fun

• AccessingResources within a bundle
• DistributedObjectsSampleCode
• HowToSave
• IteratingThroughAnArray
• NibFilesInsideBundles
• NotificationsAcrossThreads
• NotificationSampleCode
• ThreadWorker for easier multi-threading
• WorkingWithUserDefaults
• LoadingDocumentsAtStartup
• use SortUsingSelector and friends to customize NSArray’s sorting behavior

• ListOfConnectediPods

• Internet / Networking

• ComputersOnNetwork
• DownloadingFiles
• HtmlDisplayFramework
• OmniNetworking
• OpeningUrlFromJava
• ParsingHtmlInTextView
• SendingEmailMessages with NSWorkspace
• SendingEmail the Message Framework
• SmallSocketsOnConnection
• SOAP AppleScriptCocoaSample

• NSStream

• AppleScript Support

• HowToSupportAppleScript

• As-Yet Uncategorized

• SetADateForAnAppToExpire - useful for making time-limited betas: pick a target date and when that date is reached terminate the app on awakeFromNIB
• GlobalModifications
• StackTraces
• OmniExpatExample

• VariableLengthArgumentLists

• http://osx.hyperjeff.net/Apps/index.php has Cocoa Applications with source code
• http://www.scotlandsoftware.com/products/source/ has various Cocoa apps and system services with source
• NIRTimer - for easy timing of code
• TimingWithDeferredLogging - Easy timing of code using macros
• MoreClocks: A full version of the popular Clocks utility use in MacOS 10.1 & 10.2 => [http://regnault.luc.free.fr/openSource.html]
• DetectQuartzExtreme - A snippet showing how to determine if an NSScreen is running Quartz Extreme.
• BookMacOSXADT - Go to http://www.triplesoft.com/macosx/ and scroll down to the ‘Download the source code’ link (dead link)
• GravityWellsSourceCode - The source code of a fullscreen opengl Cocoa game

• ReadWriteCSVAndTSV - Dealing with CSV (Comma Separated Values) and TSV (Tab Separated Values) in Cocoa

• Sample Code from Apple

*http://developer.apple.com/samplecode/Sample_Code/Cocoa.htm *http://developer.apple.com/samplecode/Sample_Code/DiscRecording.htm