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

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Archive for August 18th, 2016

If you need to know underlying information on Delphi versions

Posted by jpluimers on 2016/08/18

Since I’m not that fast at updating List-Delphi-Installed-Packages.ps1 [WayBack] (which I should rename into something containing the word Version in it), here are some useful links to stay up-to-date:

–jeroen

Posted in Delphi, Development, Software Development | 2 Comments »

.NET/C#: two ways of creating an empty array

Posted by jpluimers on 2016/08/18

Empty arrays are not used often as arrays usually are about the presence data, not about the absence.

Here are two ways based on the int data type in C# (the original [WayBack] examples [WayBack] are using string, but since string itself is also a kind of array…):

Specify a size of zero:

int[] a = new int[0];

Specify an empty initialisation:

int[] a = new int[] { };

Though many people think arrays are a thing of the past, I think it is one of the first generic types and have their place. For one, enumerating over arrays using foreach is a lot faster in many environments than enumerating over other data types. Another thing is that the fixed nature of arrays can be very beneficial in setting constraints.

That’s why I like the balanced view from Eric Lippert [WayBack] in Arrays considered somewhat harmful – Fabulous Adventures In Coding – Site Home – MSDN Blogs [WayBack]

–jeroen

via:

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, Software Development | Leave a Comment »

 
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