Cutting Edge Technologies - Praveen Kumar

What is the Internet of Things? – Taking a Look at IoT! The Internet of Things (IoT) is a buzzword that many people are searching google for. This term is widely being queried on many popular search engines, in an attempt to know its significance in real life. Many people want to know whether it matters, whether it is safe and whether it even is not just another hype. Read on and know about IoT, and some frequently asked questions about it. The Internet of Things (IoT) – What Does It Mean? This is not a completely new concept. The idea has been in discussion for decades among tech gurus and tech companies. This is a simple concept at the core. It is mainly about connecting devices to each other over the web, and allowing them to communicate with each other. It was as far back as in 1989 that the first internet-connected toaster device was launched at a conference. The smart fridge is a popular instance, albeit silly. Imagine the scenario that your fridge cou

NSUserDefaults is a class that allows simple storage of different data types.  It is ideal for small bits of information you need to persist between app launches or device restarts. NSUserDefaults supports the following data types: NSString NSNumber NSDate NSArray NSDictionary NSData NSUserDefaults should be used to store small amounts of data.  Here is simple use of NSUserDefaults to save the  user name  so that the next time they open up the app, I don’t have to ask them again. In this case, it would be overkill for me to store this type of data in Core Data or other complex mechanism. I simply check NSUserDefaults for a value and go from there. It is important to remember that NSUserDefaults are just that, helpful for reading/writing user preferences and other similar things. Saving data: Before we read or write data from NSUserDefaults, we must first get a reference to the NSUserDefaults class.              1.  let  refs  =   NSUserDefaults . standar

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