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Playing with vibrator in Android.
This article covers all the information you should know about using Android device’s vibrator. It describes what is possible to achieve in terms of vibration using Android API. After you read it, you...
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Getting Twitter followers list using Social framework in iOS.
This article presents a useful code snippets for interacting with Twitter’s Friends & Followers REST APIs, which provide simple interfaces for most Twitter functionality. It shows how to implement...
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Detecting UILabel’s text change.
Key-value observing is a mechanism that enables an object to be notified directly when a property of another object changes. However, in general KVO does not work with UIKit classes. Basically, in most...
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Raspberry Pi status LEDs.
Raspberry Pi boards have 2 or 5 Light Emitting Diodes (LEDs). The LEDs indicate status of the operations such as accessing the SD Card or network activity. All of the diodes are located next to the...
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Dynamic linking in Java.
This article explains all you need to know to understand how dynamic linking in Java works. Dynamic linking in Java Java applications are typically compiled to bytecode that can run on any Java Virtual...
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Introducing NSLayoutConstraint Extensions.
NSLayoutConstraint Extensions is a useful category on NSLayoutConstraint containing a set of helper methods for creating most commonly used constraints. The category also includes a debugging extension...
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Changing audio port on Raspberry Pi to 3.5” mini jack.
Raspberry Pi uses its HDMI port as a default port for audio output. This article explains changing audio port on Raspberry Pi to 3.5” mini jack in a couple of simple steps. Changing audio port We will...
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Sharing Internet connection with Raspberry Pi.
This article shows how to share the Internet connection on your Mac with Raspberry Pi. The Pi is connected to Mac using an Ethernet cable. It also shows how to get the IP address of the Pi once the...
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Installing and configuring bluetooth dongle with Raspberry Pi.
This article explains in simple steps the process of configuring bluetooth dongle with Raspberry Pi. Update the list of available packages. sudo apt-get update Install new versions of the packages....
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DHCP in OS X Server.
This article explains configuring DHCP in OS X Server in simple steps. It’s an easy to follow tutorial with screenshots and hints that will help you in starting a DHCP service in your network. DHCP in...
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