ThreadLocal vs Synchronize & Example

Environment: Java 6

Recently I was looking into capabilities of theThreadLocal. And I decided to test everything against a SimpleDateFormat instance. Unfortunately the SDF is not a thread safe. So in a multi-threaded environment you can avoid concurrent modifications using “Synchronized”. I ran 100000 iterations over small set of 3 dates. Now it was time to implement same thing using ThreadLocal.
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Longest Common Subsequence Java Implementation

Recently I needed to implement LCS (Longest Common Subsequence) algorithm from dynamic programming for solving one of the problems. So I ended up writing quick implementation of LCS. For more details on LCS:
http://en.wikipedia.org/wiki/Longest_common_subsequence_problem
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Entrepreneurship Instinct

Recently read this article which describes about few pointers required for your entrepreneurship journey:

• Be passionate
• Provide value
• Do research
• Stay focused
• Start small

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Resolved: Request timeout for icmp_seq Mac OS X

My Setup: Mac OS X 10.6, Comcast Modem, Linksys router

Recently I noticed that suddenly my internet use to slow down. I started digging out for the exact problem. While pinging to Google I received following response:

64 bytes from 74.125.115.147: icmp_seq=3024 ttl=50 time=34.063 ms
64 bytes from 74.125.115.147: icmp_seq=3025 ttl=50 time=30.229 ms
64 bytes from 74.125.115.147: icmp_seq=3026 ttl=50 time=35.426 ms
Request timeout for icmp_seq 1
64 bytes from 74.125.115.147: icmp_seq=3027 ttl=50 time=32.416 ms
64 bytes from 74.125.115.147: icmp_seq=3028 ttl=50 time=31.934 ms
Request timeout for icmp_seq 2

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Watch The Social Network movie (2010) for free

I just love this movie, and wanted to watch it again. Finally, here is a link where you can watch “The Social Network” DVD print online for free.

Megavideo Link: The Social Network (2010)

(*Disclaimer: I’m not related to the movie upload or distribution by any means & just providing a resource which is freely available in the public domain.)

Inspirational Speech – By Shiv Khera

Another inspirational speech by Shiv Khera

“Winners don’t do different things, they do things differently.”

Inspirational Stanza From ‘The Road Not Taken’ – By Robert Frost

Beautiful stanza from “The road not taken” by Robert Frost

I shall be telling this with a sigh
Somewhere ages and ages hence:
Two roads diverged in a wood, and I—
I took the one less traveled by,
And that has made all the difference.

Risk, Reward, Entrepreneur’s Path – By H Irving Grousbeck

Another nice talk by H Irving Grousbeck focuses on why you should take a entrepreneurship path during early stage of your career.

Advice to Entrepreneur – By Mike Arrington – Techcrunch

Mike Arrington of TechCrunch gives talk at startup school(2008):

Replacing Unibody of Macbook

I just wanted to upgrade my non backlit keyboard(Macbook unibody) to backlit keyboard. I came across this article andddd….I gave up ….This is crazy…

http://www.ifixit.com/Guide/Repair/Installing-MacBook-Unibody-Model-A1278-Upper-Case/792/1