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Swift Programming 101: Advanced Collections

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Swift's advanced collections can help you model more complex objects in your apps and create an API that is easier to understand and use. In this post, I model a chessboard using Swift's subscripts and also cover tuples and multidimensional arrays!



Tip of the Day: Have Your iPhone or iPad Read to You

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If you find it more convenient to listen to some text on your iPhone or iPad rather than read it, you can easily enable that capability. You might, for example, want your device to read a web page or ebook or other document to you as you drive. While this feature has been available for some time, note that iOS 8 gives a convenient new option for invoking speech.



Tip of the Day: Delete Digits in Calculator App

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You know when you're entering a long number in your iPhone's Calculator app and you mistype a digit or two? You don't actually have to hit clear and start over.



Tip of the Day: How to Change the Voice Navigation Volume in Maps

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You can easily adjust the voice navigation volume in Maps up or down while using the navigation app by pressing the volume buttons on the side of your iPhone. But you probably don't want to discover you can't hear the voice navigation in Apple Maps and then have to mess with your phone while you're barrelling down the highway. A safer way to make sure the voice navigation is always at the right volume is to change Map's default volume.



Tip of the Day: How to Use the Cropping Tool in iOS 8

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When it comes to editing your images, the Photos app has always been a bit of a disappointment, even for the most basic of editing tasks. Thankfully, Apple has added a slew of new features to its Camera and Photos app, including an improved cropping tool.



Tip of the Day: How to Selectively Clear Your Browsing History in Safari

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If you share an iDevice with others, you may wish to keep parts of your web browsing history private. But what if you forget to turn on Private Browsing? You could clear your entire browsing history, but nothing says "I'm hiding things from you" more effectively. Fortunately iOS 8 offers more options for clearing your history more selectively.



Tip of the Day: Turn On Location Services Only While an App Is in Use

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There's no need for most apps to track your location at all times. However, before iOS 8, the only choices you had for location tracking was Always or Never. So if you wanted your photos to be tagged with the location in which they were taken, you had to allow the Camera app to always track your location, which could drain your battery and use your data unnecessarily. Now, iOS 8 allows you to set certain apps to only track your location while the app is in use.



Swift Programming 101: Mastering Protocols and Delegates (Part 2)

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In part 2 of this post on Swift's protocols, you will learn practical uses for declaring custom protocols in your own apps, and learn further how they improve the architecture of your apps and make them easier to enhance and extend.

In part 1 of this post, I demonstrated how to implement existing Cocoa Touch protocols in your apps. Now you'll learn how and why to create your very own. First, we need to cover the basic construction of a Swift protocol.



Tip of the Day: Quickly Access Contacts Without Opening an App

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If you want to quickly call, FaceTime, or text a contact, there's no need to open any of the related apps. Those who have iOS 8 on their iPhone can quickly access Favorite and Recent contacts via the App Switcher.



Tip of the Day: How to Correct Siri With Typing Instead of Voice

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As anyone who has used to Siri to make calls, search the web, or send messages knows, Siri doesn't always understand what you say. This can be followed by increasing frustration levels if Siri fails over and over to understand your voice corrections. But when Siri gets it wrong, you don't have to repeat yourself. Instead, you can edit your query via typing.



Tip of the Day: Save Storage by Turning on iCloud Photo Library [Update]

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One of the major benefits of iOS 8.1 is iCloud Photo Library. All your photos can now live in the cloud rather than being tied to a particular device, making them available to you regardless of which device you're using. Any change you make to a photo or video on one device is carried over to the others. And perhaps the most important benefit is that it allows you to free up space on your devices. If you enable iCloud Photo Library, you can choose to store only optimized versions of your photos and videos on your iPhone or iPad. The full-resolution versions are kept in the cloud, and versions less storage-intensive, which are perfectly suited to the size and resolution of your iPhone or iPad, are stored on your device. This can save you gigabytes of storage space on your iPhone. And any time you want, you can download the full resolution.



Tip of the Day: See Only the Widgets You Want in the Order You Choose

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Thanks to iOS 8, Apple lovers finally have access to widgets on their iPhones. But users will find some widgets more useful than others. Maximize their utility by deleting widgets you don't need to see in the Today view in Notifications and arranging the rest in the most convenient order.



Tip of the Day: How to Hide Your Private Photos

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You know the feeling—you hand your phone over to a friend or family member, intending to show them a single picture, and suddenly you’re watching in horror as they begin swiping through your 50+ selfies or stumble across your hoard of risqué photos. Thankfully, iOS 8 has introduced an easy way for you to hide your shots from prying eyes with its new "hide" feature.



Tip of the Day: Get Notified When the Email Reply You're Waiting for Arrives

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Stop checking your inbox every five minutes for that reply to the email you sent. Enable reply notifications instead so you receive an alert whenever a reply in an important email thread arrives.



Tip of the Day: Mute Group Messages Without Leaving the Conversation

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You don't have to leave a group message just because you want your iPhone to stop buzzing with new message notifications. Instead you can turn on Do Not Disturb for that message thread and read all the messages about planning your brother-in-law's birthday party later.



Swift Programming 101: Mastering Protocols and Delegates (Part 1)

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Protocols are a powerful, advanced tool that help make your apps easier to design and extend. They define standard behavior in classes that are not necessarily related. Protocols used together with delegates allow you to create classes with a well-balanced load of responsibilities.



Tip of the Day: Find Your Lost iPhone, Even if the Battery Is Dead

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Using Find My iPhone can significantly increase the odds that your lost iPhone will be returned to you. But it won't work if the battery is dead. With iOS 8, you now have the ability to have your missing iPhone send its location to Apple just before the battery dies. This is probably most useful when looking for a lost iPhone. A stolen phone is more likely to be moved after the battery dies.



Tip of the Day: Add Emergency Medical Card to Your Lock Screen

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The number one tip suggestion we get at iPhone Life is to write up your emergency contact and health information, take a picture of it, and set that image as your lock screen. However, you can easily do this via the Health app instead.



Tip of the Day: Delete Attachments from Messages Without Deleting the Conversation

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Messages can take up a surprising amount of your iPhone's storage capacity and the reason is all those cute pictures of dogs and kids that you've been texting back and forth with your friends. Fortunately, it's easy to delete attachments from Messages without deleting the conversation.



Tip of the Day: Manage Your Apple ID Account in Settings

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Apple has worked hard to make sure you can do everything from your iPhone and iPad without having to connect it to your desktop computer. Over-the-air system updates and backups via WiFi were a culminating step in this direction. In addition, you can also now manage your Apple ID account from your iPhone or iPad.



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