POWER BI What is POWER BI? Power BI is a collection of software services, apps, and connectors that work together to turn your unrelated sources of data into coherent, visually immersive, and interactive insights. Your data may be an Excel spreadsheet, or a collection of cloud-based and on-premises hybrid data warehouses. Power BI lets you easily connect to your data sources, visualize and discover what's important, and share that with anyone or everyone you want. History of Power BI. Power BI is a Microsoft’s product initially released on 11th July 2011. It was originally designed by Ron George in 2010 and the project was named crescent. Which was made available for download in 2011. It was later renamed POWER BI and then unveiled by microsoft in September 2013 as POWER BI for office 365. The first release of POWER BI was based on microsoft excel-based add ins :...
What’s a Dictionary? You can use a dictionary to store a collection of key-value information in your app. A dictionary is similar to an array in the sense that both store lists, also called collections, of items of the same type. A dictionary is a fundamental collection in Swift programming. With a dictionary you can store key-value data in your app. It’s a collection type, similar to array and sets, but completely different too. Let's see an example:- Here’s an example of a dictionary: The type of the scores dictionary is [String: Int]. That means that the type of the keys in the dictionary is String, and the type of its values is Int. In the above example we haven’t explicitly provided the t...
Concept of Loop in Swift Looping :- Looping, also known iteration is used in a program to repeat a specific block/segment of code(s). This reduces the tasks of writing the same thing again and again. for condition increment loops:- The for-condition-increment loop is functionally the same as the 'for' loop in C. The loop consists of an initialization phase, a test, an increment, and a set of statements that are executed for every iteration of the loop. for initialization; condition; increment { statements } for in loops:- You use the for-in loop to iterate over sequences or collections of things, such as the elements of an array or dictionary, the characters in a string, or a range of numbers. Here's the general form is: for index in seque...
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