Deep Insights in Microsoft .NET

string invalidExtension = (from p in new List<string>  { ".dll", ".pdb", ".suo", ".docstates", ".ico", ".bmp", ".vs10x", ".vspscc", ".vssscc", ".vsp", ".scc", ".user", ".ctl", ".datasource", ".vsmdi", ".testsettings", ".trx", ".dat" }                             where p == files[i].Extension.ToLower()                            select p).FirstOrDefault(); if (string.IsNullOrEmpty(invalidExtension)) { //Means it has an invalid extension }

Nowadays, I am finding myself using Wolfram Alpha more and more especially in my work day because it can do some really intelligent things like finding the exact number of days between two days or the number of seconds between 2 times. http://www.wolframalpha.com/ This can be really useful!

When my laptop only had 4GB RAM, the process was consuming upto 512MB RAM and also being very slow. Now, when RAM is 8GB, it is fast, but consumes around 155MB RAM. Interesting... Win 2008 r2 x64

Use this link: http://www.nitrix-reloaded.com/2011/03/02/windows-search-4-0-on-windows-server-2008-r2/

http://technet.microsoft.com/en-us/sysinternals/bb897553 Such things are useful during the daily life of a developer.

Use this utility:  http://technet.microsoft.com/en-us/sysinternals/bb896647

http://www.websofia.com/2011/03/get-local-machines-mac-address-in-c/ I have used a similar technique to iterate through all the network info for the local machine.