When it comes to select a range of date with a date for start and a date for end, it would take 3 to 4 clicks to select a date with datetime picker  [+] in HTML 5.

As I studied so far, Open-Graph-Protocol  [+] is the protocol recognized by social network. In detail, you could add certain set of meta tags into your web pages, then when the web pages are shared by links in soical networks, such as linkedin  [+], the social network could extract the info from the meta tags according to Open Graph Protocol and display these info to make the shared links more informative.

MDX  [+] is interesting extension for markdown  [+]

Hi! I'm your first Markdown file in StackEdit. If you want to learn about StackEdit, you can read me. If you want to play with Markdown, you can edit me. Once you have finished with me, you can create new files by opening the file explorer on the left corner of the navigation bar.

A note from my study about how to setup and use nginx to work as proxy, so that we could bypass cors  [+] limitation to fetch data (disclaimer!).

The infamous slogan of internet startup, quoted from silicon valley, "social, mobile, local". When it comes to "mobile" & "local", we need to store, query geo location data. So let us study mysql spatial feature  [+].

In the preparation of another blog talking about spatial feature of MYSQL, I started with data collection, then I wondered how capable MYSQL could be on ETL(Extraction/Transform/Loading)  [+].

Firstly I found some geo data from AshKyd  [+]

I want to study more about database, not just how to query and store data. I wish to know how a database is built, what concerns are to be addressed. I figure h2database  [+] could be a good starting point