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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Mono’ Category

Difference Between Int32.Parse, Convert.ToInt32, and Int32.TryParse – CodeProject

Posted by jpluimers on 2015/08/05

Every C#/VB/.NET developer should read Difference Between Int32.Parse, Convert.ToInt32, and Int32.TryParse – CodeProject.

Then also read TryParse with default values.

It is all about handling values that are not Integers, Overflow values and Nulls. There are subtle differences, in the handling of the methods, and the exceptions they could throw: ArgumentNullException, FormatException and OverflowException.

Finally read all about the NumberStyles enumeration, IFormatProvider interface and CultureInfo (especially the difference between InvariantCulture, CurrentCulture, CurrentUICulture and InstalledUICulture).

Because getting your conversions right matters.

–jeroen

Posted in .NET, .NET 1.x, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 1.0, C# 2.0, C# 3.0, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Mono, Mono for Android, Prism, RemObjects C#, Software Development, VB.NET, VB.NET 10.0, VB.NET 11.0, VB.NET 7.0, VB.NET 7.1, VB.NET 8.0, VB.NET 9.0 | Leave a Comment »

IdeOne is a lot faster and more recent than “Compile and Execute C# Sharp online”

Posted by jpluimers on 2014/04/23

I just bumped into Compile and Execute C# Sharp online.

As of writing, it uses Mono 2.10.2.0 which is quite old, and it is dead slow: it takes more than a minute to compile and execute a simple console application.

The reason is that this is a one man project.

IdeOne is much faster, for instance it took a few seconds to compile and run this simple C# program.

–jeroen

Posted in .NET, C#, Development, Mono, Software Development | Leave a Comment »

 
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