From the monthly archives: November 2010

Access to the registry key ‘Global’ is denied

By On 03/11/2010 · 1 Comment

4972 12:04:02 WARN  Could not create an instance of the counter ‘Rendering.XamlControlsCompiled’ (category: ‘Sitecore.Presentation’) Exception: System.UnauthorizedAccessException Message: Access to the registry key ‘Global’ is denied. Source: mscorlib at Microsoft.Win32.RegistryKey.Win32Error(Int32 errorCode, String str) at Microsoft.Win32.RegistryKey.InternalGetValue(String name, Object defaultValue, Boolean doNotExpand, Boolean checkSecurity) at Microsoft.Win32.RegistryKey.GetValue(String name) at System.Diagnostics.PerformanceMonitor.GetData(String item) at System.Diagnostics.PerformanceCounterLib.GetPerformanceData(String item) at System.Diagnostics.PerformanceCounterLib.get_CategoryTable() at System.Diagnostics.PerformanceCounterLib.CounterExists(String category, [...]

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Concatenating Strings Efficiently

By On 03/11/2010 · Leave a Comment

from http://www.yoda.arachsys.com/csharp/stringbuilder.html

One of the first pieces of efficiency advice most .NET developers learn is “use StringBuilder to concatenate strings”. A little bit like “exceptions are expensive” this is a misunderstood piece of received wisdom. (Fortunately it’s not nearly as harmful as the exception performance myth, but it comes up about as often…)

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