Categories
- Computers (38)
- Databases (2)
- OS (50)
- Programming (49)
- Web (34)
Calendar
May 2012 M T W T F S S « Apr 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Featured
Archives
- April 2012 (2)
- March 2012 (2)
- February 2012 (2)
- December 2011 (3)
- November 2011 (2)
- October 2011 (1)
- September 2011 (2)
- August 2011 (2)
- July 2011 (4)
- June 2011 (2)
- May 2011 (1)
- April 2011 (6)
- March 2011 (4)
- February 2011 (2)
- January 2011 (4)
- December 2010 (3)
- November 2010 (6)
- October 2010 (8)
- September 2010 (6)
- August 2010 (1)
- July 2010 (5)
- June 2010 (2)
- May 2010 (2)
- April 2010 (5)
- February 2010 (1)
- January 2010 (2)
- December 2009 (2)
- November 2009 (2)
- October 2009 (2)
- September 2009 (5)
- August 2009 (11)
- July 2009 (7)
Tags
-
Recent Posts
- How to execute JavaScript after inserting into element.innerHTML automatically
- Disappearing folder – bug in Windows 7
- When Windows automatic update suddenly stops updating Windows automatically
- Strange MAC addresses in your network (00:0D:3A:D7:F1:40 – 00:0D:3A:FF:FF:FF)
- Watch window shows ‘CXX0058: Error: overloaded operator not found’
Recent Comments
- Tom Colvin on CreateProcessAsUser fails on Windows XP with System error 233
- Minnhack on No ODBC driver after installing Oracle 11g R2
- Niels on IIS 7.5 error: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its module list
- Richard on Ubuntu Server: rename eth1 to eth0
- Anonymous on IIS 7.5 error: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its module list
Menu
Tag Archives: network
Strange MAC addresses in your network (00:0D:3A:D7:F1:40 – 00:0D:3A:FF:FF:FF)
Today I noticed many strange MAC addresses in our LAN. The addresses looked very similar – only few bits were changing. Sometime this happens, when Ethernet cable is damaged or due to network card malfunction. Here are some sample MAC … Continue reading
IPv6, literals and legacy software
IPv4 address exhaustion is slowly going into final phase. To use IPv6 addresses in legacy software, some mechanism must be in place to not confuse programs with colons (:) in the addresses. For Windows this is IPv6 literals. We have … Continue reading
How big HTML images / CSS / JS / png / etc. should be to fit network packet (MTU) efficiently
List of little things that will make your website much faster. Not every webmaster knows, that 1 extra byte in jpg image, can cause 100% speed reduction / penalty for your website visitor. When you learn that MTU for Ethernet … Continue reading