This week's book giveaway is in the Kotlin forum.
We're giving away four copies of Kotlin in Action and have Dmitry Jemerov & Svetlana Isakova on-line!
See this thread for details.
Win a copy of Kotlin in Action this week in the Kotlin forum!
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How can I draw a picture and deliver to browse  RSS feed

 
nan sh
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Said, user enter a stock code, I draw a price chart then post back to user though browse?
Most stock-broker have these kind of services, I wish to know how to do that?
And also how can I allow user draws some lines( like support or resistance line) on the picture.
Any idea?
Thanx
 
Consider Paul's rocket mass heater.
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