Viewing profile — sicxu

This is because join negatively impact the scalability of a DB: - When huge amount of traffic hits your DB, out of the most commonly run-out resources - CPU, Memory, and IO - CPU i…

I have used many languages professionally and in my personal projects. Java is the language that makes me most productive. Why? It has the best tooling support. There are a few thi…

It does not have it now, because they want to focus on the basics. Once that is done, adding a camera is not a big deal.

You can use another "attacker" balloon to do it.

Just cover the continent will require a lot of balloons. The world has 148,429,000 sq km. If you cover 1600 sq km per balloon, that is 92768 balloons. Just cover Africa will requir…

Scalability is an architecture issue, not a programming language issue. You can certainly build linearly scalable system in Ruby. It just costs more to scale a Ruby app vs. an equi…

There are lots of things in the toy, art, and spare part category that can use the 3D printing technology. Just like many other technologies, 3D printing will be adopted by designe…

There are security issues with this approach. However, I wouldn't mind if a site offers both traditional login and email based login. Then, I, as a user can choose which is the mos…

There are a lot of ebay market research tools out there. You will need to stand out either by pricing or by feature. Good luck.

So, growth hacker is a marketer. Fine. But not all marketers are growth hackers. My understanding is that, growth hacking is a specialty in marketing which focus on consumer web ma…

Great idea! I just added backend function to your prototype. The dashboard UI is at: http://s.myezapp.com/demo5/app/ezstatus/guest/dashboard.ws The admin UI is at: http://s.myezapp…

I made the utility to help you track the rank of your hacker news post. Simply enter item id, or click "back" and select "History"->"View". Feedbacks are welcome. Note: It only has…

love this piece. thanks for posting it. it reminds me one of the talk by Jobs: http://www.youtube.com/watch?v=dR-ZT8mhfJ4

drunk or stupid people probably won't click 'back' that quick.

you can use http://www.myezapp.com/pub/help/hackernews.ws to build custom tools. one example/test case that collects Show HN stories are at http://testblog1-myblog.blogspot.com/ di…

Awesome!

AdSense has much lower margin compared with AdWords because Google has to pay publisher for displaying the ads. In the early days, (AdSense revenue around 1B) I remember google was…

This post is quite relavent to the recent discussion on whether regular people should learn programming. I take it as a challenge and ask: do we have a programming language that re…

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Yes. When you schedule a recurring event, such as daily reminder, you will have to store timezone. In that case, you are storing a scheduling specification, not a real date/time. Y…