Knowledge Base for IT Professionals, Teachers and Astronauts
When you create a new web application in Microsoft Visual Studio 2013 the user database it creates is version 706. SQL Server 2008 can only open databases up to version 663 or earlier. To migrate the new Visual Studio 2013 databases to SQL Server 2008 script the database tables and create them again in the …
Continue reading “How to migrate the Visual Studio 2013 user database to SQL Server 2008”
There is a warning message in Xcode, the Apple iOS development environment that can have many different causes. Warning: Attempt to present … on … while a presentation is in progress! In my case Xcode displayed the warning because a button called the same view twice. When I deleted the action associated with the Touch …
Continue reading “Warning: Attempt to present … on … while a presentation is in progress!”
This post is a collection of common error messages you may receive during application development in Xcode. Error message Receiver ‘NSManagedObjectContext’ for class message is a forward declaration Solution Add #import <CoreData/CoreData.h> to the … – Prefix.pch Prefix header file in the Supporting Files folder
The English characters on the English and Hungarian keyboards are almost at the same place. The exceptions are the Z and Y keys, those are swapped. When you activate the Hungarian keyboard on a Mac with an English keyboard, the Z key will display Y and the Y key will display Z on the screen. …
Continue reading “QWERTY Hungarian keyboard on an English Macintosh keyboard”
When you are testing an app in the Xcode iOS Simulator sometimes you need to select an image in the photo library. To add images to Photos in the Xcode iOS Simulator Run you app in the iOS iPhone Simulator In the Hardware menu select Home to hide your app Open the Safari browser in …
Continue reading “Save an image in the Xcode iPhone simulator”
Always lock your computer to protect your secrets in the office while you are getting a cup of water from the kitchen. To lock a Macintosh computer Press the Control – Command – Q keys, or In the upper left corner click the Apple logo and select Lock Screen To lock a Windows computer In Windows, …
Continue reading “How to lock your Macintosh and Windows computer”
In the prior article of the Microsoft Azure storage series we have downloaded a file (blob) from the container. In this part we will add a method to delete a blob in the Azure storage container. Delete a blob in the storage container Add the DeleteBlob method to the Azure_Helper Open the Azure_Helper.cs file in …
Continue reading “Microsoft Azure – Storage – Part 5 – Delete blobs with a .NET application”
In the third part of the Microsoft Azure Storage series we have extended our .NET application to list the contents of a container. Today we will add a method to our application to download files from the storage container. Download blobs from the Microsoft Azure storage Create the DownloadFile method in the Azure Helper Open …
Continue reading “Microsoft Azure – Storage – Part 4 – Download files with a .NET application”
In the second part of the Azure Storage series we have developed a .Net application that can create a Microsoft Azure storage container and upload files into it. Today we will extend the functionality of our application to list the files in the container. List the files in the container First let’s create a class …
In the first part of the Azure Storage series we have created a Microsoft Azure storage in the “cloud”. Now we will create a C# application to upload, list and download files. Create a Blank Solution In the File menu select New -> Project… Add a new Console Application project to the solution In the …
Continue reading “Microsoft Azure – Storage – Part 2 – Upload files with a .NET application”