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Elvin Chua
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63 followers
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A Better Florist Flower Workshop
Flowers. Ellis loves to receive them from me and she always asks for them. All these while, I had the convenience of having a florist arrange the flowers into a hand bouquet. I only have to whip out my credit card to get a bouquet of flowers so I never thou...
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How Precision is calculated in NTP
Have you ever looked at the query output of the ntpq program and wondered what those values are? ntpq> rv
associd=0 status=0618 leap_none, sync_ntp, 1 event, no_sys_peer,
version="ntpd 4.2.6@1.2089-o Fri May 28 01:20:53 UTC 2010 (1)",
processor="x86_64", sy...
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Review of 3M Peltor Earmuffs: Quest for Silence in Singapore
My work as a software developer requires absolute focus and any unwarranted noise puts me out of my zone. However, we live in a noisy world and the trend for open office exacerbates the noise problem. The phone that is ringing at maximum volume slices my ea...
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Understanding the Cipher Suites in TLS - Part 1
Cryptography is key in protecting our privacy by ensuring the secrecy of our communication. It is used in a TLS connection when we browse a website over HTTPS or sending a mail over SMTPS. Following up from my previous post on TLS connection , I am going to...
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Establishing TLS Connection using Stunnel
When connecting to remote systems over the Internet, encrypting the communication channel is a basic requirement. Governments, hackers, competitors and your granny wants to know what you are doing. To protect ourselves from this crazy world, we can use a pr...
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Java Hashmap and ConcurrentHashmap Explained Graphically
I went through the OpenJDK 7 implementation of the hashmap and concurrent hashmap. The hashmap is the most often used data structures and it is worth my time understanding how it works. After studying the codes, I decided to create a graphic map of what hap...
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Highlighting FIX log files in vim
I frequently need to look through log files that contains FIX messages to determine the status of the orders or troubleshoot the connections. A problem with trying to read FIX message is the difficulty in locating specific tags on a very long string of text...
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Kang Kong and Sweet Basil Flowers
Flowers are fascinating things. They catch your eye and hold your attention with their vibrant colors. Part of its fascination is how fleeting it is. It withers away after a short time like the beauty of a girl. It makes you appreciate them more because it ...
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The Art of Keyboard: CM Storm QuickFire Blue
Hello, my name is Elvin and I have an keyboard addiction. A year ago, I wrote about the CM Storm keyboard with a brown cherry switch. A year later, I have in my hands on another CM Storm keyboard with a blue cherry switch. Have I gone mad? Did I just spent ...
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