jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

SteveDunn

	public class EnumMapper : IDisposable
	{
		readonly Dictionary<Type, Dictionary<string, object>> _stringsToEnums =
			new Dictionary<Type, Dictionary<string, object>>( ) ;

		readonly Dictionary<Type, Dictionary<int, string>> _enumNumbersToStrings =
			new Dictionary<Type, Dictionary<int, string>>( ) ;

		readonly ReaderWriterLockSlim _lock = new ReaderWriterLockSlim( ) ;

mtigas

Client-side SSL

For excessively paranoid client authentication.

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Updated Apr 5 2019:

because this is a gist from 2011 that people stumble into and maybe you should AES instead of 3DES in the year of our lord 2019.

some other notes: