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Articles by FDW (Tip/Tricks: 8)

Tip/Tricks: 8

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Desktop Programming
Windows Forms	Run Only One Copy Of Application [Tip/Trick] 25 Mar 2011 Updated: 25 Mar 2011 Rating: 4.92/5 Votes: 10 Popularity: 4.92 Licence: CPOL Views: 11,320 Bookmarked: 5 Downloaded: 0 Please Sign up or sign in to vote. Maybe this is helpful, it tries to switch to the first running instance:namespace UltraSimple.Win{ static class Program { [System.Runtime.InteropServices.DllImport("user32.dll")] public static extern bool SetForegroundWindow(IntPtr hWnd); [STAThread] ...
General Programming
Regular Expressions	Don't count spaces when counting words. [Tip/Trick] 6 Dec 2011 Updated: 6 Dec 2011 Rating: 0.00/5 Votes: 0 Popularity: 0.00 Licence: CPOL Views: 5,030 Bookmarked: 1 Downloaded: 0 Please Sign up or sign in to vote. This is less expensive:For any of the next strings, it gives 8:"Mr O'Brien-Smith arrived at 8.30 and spent \t $1,000.99"" Mr O'Brien-Smith arrived at 8.30 and spent \t $1,000.99""Mr O'Brien-Smith arrived at 8.30 and spent \t $1,000.99 "" Mr O'Brien-Smith arrived at 8.30 and...
Threads	Locking multiple (up to 2) objects [Tip/Trick] 2 Dec 2011 Updated: 25 Dec 2011 Rating: 1.00/5 Votes: 1 Popularity: 0.00 Licence: CPOL Views: 31,961 Bookmarked: 2 Downloaded: 0 Please Sign up or sign in to vote. Lock multiple (up to 2) objects, non blocking
Programming Languages
C#	See if a Flags enum is valid [Tip/Trick] 17 May 2011 Updated: 17 May 2011 Rating: 0.00/5 Votes: 0 Popularity: 0.00 Licence: CPOL Views: 4,500 Bookmarked: 0 Downloaded: 0 Please Sign up or sign in to vote. What about a more complete approach?Define a few caches:private static GenericAlias.Dictionary aoCompositeValues = new GenericAlias.Dictionary();private static GenericAlias.Dictionary aoArrayOfValues = new GenericAlias.Dictionary<Type,...
	Handy Extension Methods [Tip/Trick] 3 Jun 2011 Updated: 5 Jun 2011 Rating: 0.00/5 Votes: 0 Popularity: 0.00 Licence: CPOL Views: 4,350 Bookmarked: 0 Downloaded: 0 Please Sign up or sign in to vote. Here is a couple for String and StringBuilder. The String versions are handy (compared to the already existing instance versions (that are actually being used)) because they work against null values (e.g., ((string)null).IsNullOrEmpty()).public static class ExtensionMethodsString{ ...
	Strategy method or Switch statement in C# [Tip/Trick] 9 Jun 2011 Updated: 9 Jun 2011 Rating: 5.00/5 Votes: 1 Popularity: 0.00 Licence: CPOL Views: 6,290 Bookmarked: 0 Downloaded: 0 Please Sign up or sign in to vote. This is what I would do:using System;using NUnit.Framework;using System.Reflection;namespace Profix.Utils.Xpo.UnitTests{ [TestFixture] public class Functions { private void Tax() { Console.WriteLine("Computed Tax."); } private void Sale() {...
SQL	SQL one to one relations [Tip/Trick] 3 Nov 2011 Updated: 6 Nov 2011 Rating: 0.00/5 Votes: 0 Popularity: 0.00 Licence: CPOL Views: 13,001 Bookmarked: 0 Downloaded: 0 Please Sign up or sign in to vote. How to define a one to one relation
Visual Basic	Call Functions Until One Meets Condition [Tip/Trick] 24 Jun 2011 Updated: 24 Jun 2011 Rating: 0.00/5 Votes: 0 Popularity: 0.00 Licence: CPOL Views: 6,301 Bookmarked: 0 Downloaded: 0 Please Sign up or sign in to vote. I do think the approach is over complicated, but in some cases there may be (a small) benefit. As an alternative I would offer:First version (no common test):((Action)(() =>{ if (!Step1()) return; if (!Step2()) return;}))();Second version (common...

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FDW

Netherlands

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