Three options: You can return it from Main if you declare your Main method to return int. You can call Environment.Exit(code). You can set the exit code using properties: Environment.ExitCode = -1;. This will be used if nothing else sets the return code or uses one of the other options above). Depending on your application … Read more
According to the documentation: The structure of an interpolated string is as follows: { <interpolationExpression>[,<alignment>][:<formatString>] } The problem is that the colon is used to denote formatting, like: Console.WriteLine($”The current hour is {hours:hh}”) The solution is to wrap the conditional in parenthesis: var result = $”Descending {(isDescending ? “yes” : “no”)}”;
public static string Reverse( string s ) { char[] charArray = s.ToCharArray(); Array.Reverse(charArray); return new string(charArray); }
People.Aggregate((curMin, x) => (curMin == null || (x.DateOfBirth ?? DateTime.MaxValue) < curMin.DateOfBirth ? x : curMin))
As you discovered, in VS11 the compiler will disallow an async Main method. This was allowed (but never recommended) in VS2010 with the Async CTP. Update, 2017-11-30: As of Visual Studio 2017 Update 3 (15.3), the language now supports an async Main – as long as it returns Task or Task<T>. So you can now … Read more
In order to use a CLR 2.0 mixed mode assembly, you need to modify your App.Config file to include: <?xml version=”1.0″?><configuration> <startup useLegacyV2RuntimeActivationPolicy=”true”> <supportedRuntime version=”v4.0″ sku=”.NETFramework,Version=v4.0″/> </startup></configuration> The key is the useLegacyV2RuntimeActivationPolicy flag. This causes the CLR to use the latest version (4.0) to load your mixed mode assembly. Without this, it will not work. … Read more
You guys are making this too hard. PowerShell handles this quite elegantly e.g.: > $str1 = $null > if ($str1) { ‘not empty’ } else { ’empty’ } empty > $str2 = ” > if ($str2) { ‘not empty’ } else { ’empty’ } empty > $str3 = ‘ ‘ > if ($str3) { ‘not … Read more
If you’re using .NET 3.5, you can use HashSet<T>. It’s true that .NET doesn’t cater for sets as well as Java does though. The Wintellect PowerCollections may help too.
Well, you need to install it. You’re looking for: The 2007 Office System Driver: Data Connectivity Components.
Copied and pasted from here, the Using Advanced Properties section. This will allow you to always have the program run as an administrator when you open it. Right click on the shortcut of the program, then click on Properties. Click on the Shortcut tab for a program shortcut, then click on the Advanced button. Check … Read more