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San Francisco, USA

 

Fortress

fortress

fortress

We have some fun building the fortress at home :)

2015.04.26 comments

 

Popularization of Mapping

Reading Sunday's newspaper, I have found this map. What does it try to say? It turns out this is a full page ads for a windows replacement company. They are telling us that 13,011 Bay Area homeowners have chosen to use them to replace their windows. Online mapping has come a long way since they are available to the public some 10 years ago. This company could have just said they have many customers all over Bay Area in nearly every city. Instead plotting them as dots on a map looks lot more impressive. Now this becomes a Wow! rather than yet another day in business.

Windows Ads

The first time people put their data on a map, it looks as if they have discovered some hidden pattern. Some time ago someone has created a map to explore the relation between tech shuttle stops and the opening of restaurants and cafes. He has a theory about the "Clusters of Affluence" and the newspaper covered the story. Unconvinced, I pulled some unrelated data like crime location and plotting another map overlaying violent crime and tech bus stop. It just look much the same as the restaurant map.

Tech Bus and Crime

My explanation is these maps are simply showing a pre-existing population pattern, not necessary a discovery of some unknown relation. Many dots on the map may make it looks like a Wow! But it is simply yet another day in business.

2015.04.19 comments

 

Cockpit and Computer Dashboard

When I was younger, I was quite amazed by the dense wall of dials and controls in an airplane's cockpit. It was so overwhelmingly complex. I always wonder how is it humanly possible for the pilots to comprehend it all and to control the components of a machinery as complex as this.

Cockpit controls

Now that I work with computer system, I have to look at pages and pages of dashboard to keep tab on many different aspects of the computer systems across a cluster of machines. We also have some of these dashboards showing in a large screen on a wall. Does it reminiscent of the wall of meters on a cockpit?

Computer Dashboard

I think our computer system actually have far more control than a airplane. Each computer have tens to hundreds of tools (like basic Unix tools and other software). Compares to the switch and knobs on an airplane, each computer tools can support a wide array of parameters so that you can do complex things than just turning it on or off. Thinking about it this way, perhaps the cockpit control isn't so complex after all.

2015.04.17 comments

 

Hang Hang's New Toy


handcuff

Hang Hang loves to play with his new toy - a handcuff.

2015.04.06 comments

 

past articles »

 

BBC News

 

Ukraine war: Zaporizhzhia nuclear plant chief detained by Russians - Kyiv (01 Oct 2022)

 

Ukraine war: Biden says US will not be intimidated by reckless Putin (01 Oct 2022)

 

Messages reveal how Musk and Twitter boss fell out (30 Sep 2022)

 

UK's top black politician misidentified by paper (01 Oct 2022)

 

Storm Ian: Protests as Cuba capital Havana remains in darkness (01 Oct 2022)

 

Inuit Greenlanders demand answers over Danish birth control scandal (30 Sep 2022)

 

Roblox removes 'meat grinder' Ukraine v Russia game (30 Sep 2022)

 

Cyclone Ian batters South Carolina in second US landfall (01 Oct 2022)

 

Burkina Faso coup: African Union condemns military takeover (01 Oct 2022)

 

Tesla boss Elon Musk presents humanoid robot Optimus (01 Oct 2022)

more »

 

SF Gate

 

Best Background Check Services: Top 13 People Finder Sites Reviewed and Ranked (30 Sep 2022)

 

These were the highest-paying Silicon Valley tech companies in 2021 (19 Jul 2022)

 

'This will be somewhat painful': Elon Musk talks Twitter takeover in extended interview at TED2022 Vancouver (14 Apr 2022)

 

Better.com employees got severance checks before they were laid off (9 Mar 2022)

 

Apple joins other Bay Area tech giants in responding to Russian invasion of Ukraine (1 Mar 2022)

 

Uber will now show you how you’re rated by drivers (18 Feb 2022)

more »


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