Outsystems Mobile Questions and Answers

Mobile Networks - Answer-Depend on... The number of cell towers in the vicinity The number of users sharing these cell towers The amount of bandwidth available for the towers to connect to the internet or the carrier's network Network Latency - Answer-The delay before a transfer of data begins Usually faster on desktops than mobile Request Per Page - Answer-An average Web page has about 70 request, but usually can only process 10 request at time, so this leads to a delay in loading the page. Mobile needs less requests so it can perform faster. Design for perceived performance - Answer-Load info on mobile devices such that the the user can start interacting with the application while the rest of the page load asynchronously Single Page Application (SPA) - Answer-Applications that communicate with the user by dynamically rewriting the current page rather than loading entire new pages Cordova Plugins - Answer-Allow Outsystems mobile apps to run on either iOS or android by communicating with the native platform Modular Programming - Answer-breaking programs into small sections of code to simplify debugging and allow the re-use of modules in other programs Function property - Answer-When set to yes on Actions allows them to be used as Expression, evaluated at runtime How Outsystems persists data in the Database - Answer-Entities and Static EntitiesEntity - Answer-Is persisted in Database table Each new instance of an entity is inserted as row on the corresponding table Extension Entity - Answer-Usually split apart due to... performance issues Base entity is read only Variables - Answer-Locations in memory that can hold data within a certain scope strongly typed - Answer-Languages of this type require that variables must be given specific data types and that the compiler will verify that the data being stored in a variable matches the variable's type. Structures - Answer-Used to store compound data in Memory