Microsoft Excel by default contains 3 worksheets while creating a new Workbook. For creating a new workbook you can specify the number of Worksheet that a Workbook needs to contain. This can be modified using Excel Options. Listed below are steps for increasing number of Worksheets for a new Workbook in Excel 2013, Excel 2010 […]
UITableView Demo in Swift
In this tutorial, we will see some of the common UITableView operations such as Adding, Updating, Deleting and Moving records using Swift. Let us start with a TableView placed over a ViewController instead of using UITableViewController. By this way you will learn lot more about the functionality of UITableView. Add a new file and select […]
Protocol Oriented Programming in Swift
Object Oriented Programming is a paradigm used by programmers many decaded to solve computer problems by modeling them in to classes. In Swift 2.0 a new programming pattern has been introduced known as Protocol Oriented Programming. In this article, we will the three major feature as part of Protocol Oriented Programming Modeling with Protocols and […]
Content Priority in Auto Layout
Auto Layout brings in lots of good features to ease the life of an iOS developer when designing User Interfaces. In this example, we will see how to use Content Priorities such as Content Hugging and Comrpession Resistance. I have created a project with Single View Template and dispayed Size Classes as we are going […]
SwiftExpress – Web Application Server in Swift
Swift Express is a simple yet powerful web application written in Apple’s Swift language. This is an initiative started by Crossload Labs using Play Framework and Express.js Installation SwiftExpress GitHub provides a well documented steps for installing the server on Mac OS X and Linux. I tried this on Mac OS X and the whole […]
Keyboard Shortcuts in Xcode
Listed below are the various keyboard shortcuts in Xcode 7. Symbols corresponding to Mac keyboard used are command (⌘), shift (⇧), control (⌃), option/alt (⌥) Build, Run, Test Build ⌘ + BClean ⌘ + ⇧ + KRun Tests ⌘ + URun ⌘ + R Debug Step Over F6Step Into F7Step Out F8Toggle BreakPoint ⌘ + […]
How to programmatically add AutoLayout constraints?
AutoLayout solves the mystery when designing app for more than one screen size and for both Portrait and Landscape orientation. This is done by adding constraints to the views using various Auto Layout options available as part of Interface Builder. As an iOS developer, you can also add these constraints programmatically using NSLayoutConstraints or Visual […]
A trick to flip a column upside down in Excel
Excel users can sort a column using the Sort feature available as part of Sort & Filter menu. But what if you want to flip a column upside down. Let us see this with an example column having some text values as shown below. We will not be able to apply sort feature directly on […]