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Posted by jpluimers on 2017/10/10
Always good having a reference article at hand: [WayBack] Multithreading in C# .NET 4.5 (Part 2) – CodeProject
via: [WayBack] Best C# Article of September 2016 PureNsanity – Multithreading in C# .NET 4.5 (Part 2)Runner UpSnesh Prajapati – Factory Patterns – Simple Factory … – CodeProject – Google+
–jeroen
Posted in .NET, .NET 4.5, C#, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Software Development | 1 Comment »
Posted by jpluimers on 2017/08/17
One of the best to graphs diagrams of LINQ I know is in Mastering C# – Lecture Notes Part 2 of 4 – CodeProject [WayBack]
The LINQ explanation in that article [WayBack] is top notch as well. Thanks Florian Rappl [WayBack]!
–jeroen
Posted in .NET, C#, C# 2.0, C# 3.0, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Software Development | Leave a Comment »
Posted by jpluimers on 2017/05/30
ILMerge has all sorts of drawbacks with things like XAML, WPF, NHibernate, dynamically loaded assemblies and reflection.
Jeffrey Richter: Excerpt #2 from CLR via C#, Third Edition | Microsoft Press blog has an interesting approach based on adding a callback to the AppDomain’s ResolveAssembly event with some steps so you can embed assemblies as resources which you then – unlike ILmerge- dynamically resolve.
Those steps require a bit of manual labour which is taken away by MiloszKrajewski/LibZ: LibZ, the alternative to ILMerge.
The repository on github even compresses your assembly resources.
–jeroen
Posted in .NET, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 3.0, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Software Development | Leave a Comment »
Posted by jpluimers on 2017/03/15
Sometime you might want to protect your data in memory – the greatest example is when dealing with anything related to passwords. It is simply not smart to keep that data around in a plain-text. In .NET there are multiple methods you can use for this purpose, starting with SecureString, ProtectedMemory, and my favorite ProtectedData.…
Source: How to secure memory? – Medo’s Home Page
via: Found this via +Ilya S a post from +Josip Medved – Stuff like this should be way built into an OS, and RTL’s should have a secureMalloc()… – Joe C. Hecht – Google+
–jeroen
Posted in .NET, .NET 4.0, .NET 4.5, C#, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Software Development | Leave a Comment »
Posted by jpluimers on 2016/12/15
Without dsquery installable, I had to query an ActiveDirectory spanning two domains.
Here are some links that helped:
–jeroen
Posted in .NET, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 2.0, C# 3.0, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Software Development | Leave a Comment »
Posted by jpluimers on 2016/11/03
The #Fellows | Unity IoC container: tips, tricks and dirty hacks post is a very readable and to-the-point introduction to Unity IoC focussing on Dependency Injection. Implementation details of various IoC/DI frameworks differ, so some keywords:
–jeroen
Posted in .NET, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 3.0, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Software Development | Leave a Comment »
Posted by jpluimers on 2016/09/21
It’s been in the System.Array class forever, but remarkably few people do know that it can throw you a NotSupportedException (for instance when calling Add, Insert, Remove, etc).
It does because it implements IList, but not all methods implemented from IList are valid.
And it also indicates that, as the IList Properties allows for IsFixedSize to return false.
A similar case is there for IsReadOnly: then you cannot even modify the values.
Ever since I started teaching .NET/C# classes almost 15 years ago, I warned:
beware when you use IList as not everybody implements all methods.
–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 »
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 »
Posted by jpluimers on 2016/07/27
It comes down to these cases for XML elements having maxOccurs="1" (which the default for maxOccurs):
nillable="true" will convert from a regular type to a nullable type.minOccurs="0" will add boolean …Specified properties in the generated C# for each element.nillable="true" and minOccurs="0" in an element which gets you a nullable type and a …Specified property.Note I’m not considering
fixedordefaulthere, norattributes(that haveuseinstead ofminOccurs/maxOccurs, but do not allow for nillable) nor larger values ofmaxOccurs(which both xsd.exe and xsd2code regard asunbounded).
From the above, XML has a richer type system than C#, so in XML there are subtle a differences between:
nil in the XML elementHopefully later more text and examples to show how to actually work with this.
Delphi related to minOccurs:
Note that xsd2code.codeplex.com (unlike XmlGen#) has at least two forks at github:
From the specs:
–jeroen
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Posted by jpluimers on 2016/07/07
Easy way to generate “System.InvalidOperationException: Nullable object must have a value.”.
| using System; | |
| public class Test | |
| { | |
| public static void Main() | |
| { | |
| int? nullableInt = null; | |
| int nowInt = (int)nullableInt; | |
| } | |
| } |
–jeroen
Posted in .NET, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 2.0, C# 3.0, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Software Development | Leave a Comment »
The Wiert Corner - irregular stream of stuff 