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Advanced iOS tutorial: Use MVVM to tackle complicated TableView

Advanced iOS tutorial on MVVMHow to use MVVM to tackle complicated TableViewUITableView is definitely one of the most frequently used UI components for every iOS developer. Due to the size limitation of the mobile phone, table view becomes a great way to present information while keeping the clearness of the UI design.In the good old days, a table view contains typically cells displaying simple information such as a title with an image. And the only interaction is the selection of a cell.But things change. Today, the table view is getting more and more complicated. Newsfeed, timeline, and wall have been widely adopted, a table view with various cells and asynchronous interactions is a new paradigm. So coding the complex UI is now challenging to developers.In this article, we will talk how to organize your table view code with the Model-View-ViewModel (MVVM) pattern. MVVM is an architecture pattern that represents the view state using the data model. By making the UI logic a data model…
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Tips for Monitoring in the Travel Industry

From connecting users around the globe to changing the way we accomplish everyday tasks, the internet has revolutionized every industry. It has helped boost revenue and produced advanced tools that automate even the most mundane tasks, like playing your favorite music or placing an online order with the touch of a finger. The travel industry has seen a similar shift in the way they do business. Travel agents have traditionally been the point of contact for anyone planning a trip. These agencies needed real-time access to airline fares and availability. This required direct access to the hotels or airlines' reservation system. Travel agents understood the advantages of the cyber highway facilitated by the world wide web, and they were quick to adopt and move their business online.
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How Companies Use Machine Learning

Day-by-day Machine Learning is becoming popular among industries, and business owners have finally started to believe that it can bring a colossal change in their business's efficiency. Many experts say that Machine Learning is a breakthrough as big as the internet and the personal computer. Since the past decade, people have started to learn about ML and understand what it can bring to the table when implemented in their business. ML is not a completely flourished technology, but people are giving it a chance because it can provide a huge boost to their businesses. Still, a large number of audiences are not aware of what Machine Learning actually is even though they have been using it for the past 5 years in the form of Siri, Cortona, Google Maps, and even the recommendations while shopping online. A lot of businesses are still figuring out the application area of ML in their business. Even if they want to implement ML in their business, they are not completely educated about the…

Microservices for Java Developers: Microservices Communication

1. Introduction Microservice architecture is essentially a journey into engineering of the distributed system. As more and more microservices are being developed and deployed, most likely than not they have to talk to each other somehow. And these means of the communication vary not only by transport and protocol, but also if they happen synchronously ...
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Functional Programming Unit Testing in Node (Part 2)

In Part 2, we'll validate our inputs using predicates, show how to make asynchronous pure functions, and show various techniques on how you call unsafe code from Functional Code. Contents This is a six part series on refactoring imperative code in Node to a functional programming style with unit tests. You are currently on Part 2.
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Coping With Failure: Working Around Limitations in AI

Recent advancements in machine learning, deep learning and other variations of artificial intelligence have been impressive. Yet, when it fails (as we've seen in autonomous cars and Facebook's facial recognition software) we're not surprised. After all, computers are only as smart as their programmers, right? Unlike humans who fundamentally just "know" certain things, computers rely on levels of confidence. They are very seldom 100 percent sure of anything and sometimes they're just wrong. Knowing this, how do build systems that 'work' even though the underlying models may lack confidence?
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SQL Database Corruption: Causes, Prevention, and Fixing Techniques

"I had a Database File and I want to attach this MDF file to SQL Server 2014. However, whenever I try to attach the file, I am receiving following error message :The header for file ….\MSSQL\DATA\xxxx_data.mdf' is not a valid database file header. The FILESIZE property is incorrect. (SQL Server Error 5172). After surfing a lot, I found that MDF file has corruption in its header. I tried expert solution given in various forum websites but failed to fix header corruption, I am still getting the same error message. I have no idea how to deal with SQL database corruption. Can anybody suggest me any solution to fix this error? Thank you in advance!" SQL Server stores its physical database in MDF file and the first page of this file comprises the information of MDF file header. The header page keeps the information about the entire database like file signature, size etc. While attaching the MDF file in SQL Server, sometimes users encounter 5172 error code. This error generally…