Technology

  • Some MySQL performance tips

    This article discusses about some MySQL performance tips which are collected over Internet and based on the experience of the author (me ^__^). Specific Query Performance Tips (see also database design tips for tips on indexes):  Use EXPLAIN to profile the query execution plan  Use Slow Query Log (always have it on!)  Don’t use DISTINCT when you…

  • CSS3 for Internet Explorer 6 -> 8

    Althought CSS3 is currently fully supported by recent browsers, there are many problems when finding a “falling back” solution for IE <= 8. We can surely change the way we display HTML code, or use javascript for some contents, but these are also not in our favor. Fortunatelly, there is a library called Selectivizr providing an “IE-CSS3 library” http://selectivizr.com/. This lib can be used with jQuery, Prototype,…

  • Introduction to SAML

    General Concept Security Assertion Markup Language (SAML, pronounced “sam-el”) is an XML-based open standard data format for exchanging authentication and authorization data between parties, in particular, between an identity provider and a service provider. SAML is a product of the OASIS Security Services Technical Committee. SAML dates from 2001; the most recent update of SAML is from 2005. The single most important problem that SAML addresses is the web…