Checking for ECC RDIMM vs. UDIMM
Recently, I wanted upgrade my workstation from 64GB to 128GB to cater for a potential test with databases; I also want to give a boost to my freeNAS & home …
Latency numbers that every software engineer should know
Latency Numbers (circa 2012) L1 cache reference ……………………. 0.5 ns Branch mispredict ………………………. 5 ns L2 cache reference ……………………… 7 ns Mutex lock/unlock ……………………… 25 ns Main memory reference …………………. …
XML attack and defense
TLDR On Python, use defusedxml[1] for safe XML processing. On .NET, try to use frameworks v4.5.2 and later [2], [3]. For previous frameworks, try to customize XML parser (XmlReader, XmlResolver…etc) with …
Lunar New Year and lesson for cultural inclusiveness
“Happy Lunar New Year 2020” Walking to our company special event, I was pleasantly surprised to see this. Hmm, isn’t it just a way to greet people in the new …
Lessons learnt from the past two decades
It’s official: it’s New Year. 2020 is here! It’s also the beginning of a new decade. It’s incredible how fast time flies. Two decades ago, talking to your …