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Kerry D. Wong

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Parsing Apache Server Log for Unique IPs

February 1, 2009March 7, 2009 kwong

I created this short Perl script to tally the number of unique IPs from the Apache server log.

Linux/BSD, Miscellaneous Apache, Perl, script, Server Log, Unique IP

Windows 7 Unresponsive Under VMWare After Idle

January 25, 2009March 7, 2009 kwong

I installed Windows 7 Beta (64 bit) under VMWare 6.5.1 (Linux version) a couple of weeks ago, and my main […]

Miscellaneous Unresponsive, VMWare, Windows 7 Beta

The Perfect UI

January 18, 2009March 7, 2009 kwong

When talking about designing the perfect user interface, different people sometimes have very different ideas. It is more of a […]

Miscellaneous Aero, Office 2007, Ribbon, UI, Windows 7, Windows Vista

Windows 7, An Updated Vista?

January 11, 2009March 7, 2009 kwong

I just downloaded Microsoft’s latest OS beta — Windows 7 64bit, which was released to the general public two days […]

Miscellaneous, Technology VMWare, Windows 7, Windows Vista

Power Factor of a Compact Fluorescent Lamp

January 7, 2009March 7, 2009 kwong

I got a P3 Kill A Watt as Christmas present. Besides being able to measure voltage, current and kilo-watt-hours, it […]

Miscellaneous Compact Fluorescent Lamp, Kill A Watt, Power Factor

What Happened to the Testing?

January 1, 2009March 7, 2009 kwong

You have probably heard the Zune fiasco at the turn of the new year. Or if you have one with […]

Miscellaneous, Technology bug, Testing, Zune

Site Up Again

December 23, 2008March 7, 2009 kwong

This afternoon I began to receive "Error establishing a database connection" error from my site. And when trying to login […]

Linux/BSD, Miscellaneous ddrescure

Two Level Tree and Its Applications — II

December 22, 2008March 7, 2009 kwong

In my previous post, I discussed how to merge and split a two level tree. Before moving on to discuss […]

Coding Algorithm, C Sharp (C#), Tree

Two Level Tree and Its Applications — I

December 21, 2008March 7, 2009 kwong

A two level tree is a simple tree data structure. Unlike in a typical tree where the tree depths could […]

Coding Algorithm, C Sharp (C#), Tree

MIDI Setup with OSS and ALSA

December 14, 2008March 7, 2009 kwong

Setting up the hardware environment to support MIDI devices is relatively easy. in fact, most newer MIDI devices do not […]

Linux/BSD ALSA, Linux, MIDI, OSS, setup, Ubuntu

A Dual Sound Card Setup

December 9, 2008March 7, 2009 kwong

Newer sound card usually does not  come with a game port since most of the peripherals nowadays come almost exclusively […]

Linux/BSD ASUS P5QL Pro, Dual, MIDI keyboard, setup, Sound Card, Ubuntu

Site Upgraded to WordPress 2.6.5

November 29, 2008March 7, 2009 kwong

Upgrading WordPress to the latest version is surprisingly easy following these instructions.

Miscellaneous Upgrade, WordPress

The Annoyance of In-Text Ads

November 22, 2008March 7, 2009 kwong

Thanks to the inclusion of pop-up blockers in all major browsers, pop-up advertising no longer poses as an annoyance to […]

Miscellaneous Ads, in-text advertising

Unity is the Future for VMs

November 13, 2008March 7, 2009 kwong

I recently downloaded VMWare’s latest workstation product (VMWare Workstation 6.5) and set it up to run on my 64 bit […]

Linux/BSD, Technology Unity, VMWare

ASUS P5QL Pro Audio Configuration in Ubuntu 8.10 (64 Bit)

November 12, 2008March 7, 2009 kwong

After building the new quad core PC, I realized that the sound was not working (at first, I did not […]

Miscellaneous ASUS P5QL Pro, Audio Controller, Configuration, Gnome

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Categories

  • AVR/Arduino (98)
  • Coding (133)
  • Electronics (258)
  • Linux/BSD (34)
  • Miscellaneous (190)
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  • Product Reviews (22)
  • Raspberry Pi (5)
  • Teardowns (67)
  • Technology (57)

Tools & Libraries

  • MCP2210 Library
  • BCalc — A Hex/Bin/Dec Converter And Calculator

Most Popular Posts

  • A Sensitive DIY Ultrasonic Range Sensor (286)
  • Building a Constant Current/Constant Power Electronic Load (240)
  • AVR LC Meter With Frequency Measurement (222)
  • AD7705/AD7706 Library Revisited (92)
  • A Digitally Controlled Dual Tracking Power Supply -- II (88)
  • Hacking DTM0660L Based Multimeters (77)
  • A Self-Balancing Robot – III (62)
  • Reverse Engineering the Syma S107G IR Protocol (56)
  • Arduino Development Using NetBeans (51)
  • Dual Purpose Spot Welder With Pulse Duration Control (51)

Archives

My Favorite Sites

  • Arduino Forum
  • Circuit Diagram
  • Dangerous Prototypes
  • EEVBlog
  • Electrical Engineering Forum
  • Electronics Lab
  • Electroniq.net electronics projects and circuit diagrams
  • Hack A Day
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74HC595 AD/DA Algorithm Arbitrary Waveform Generator Arduino ASP.Net ATMega328 Atmega328P AVR AWG C++ C Sharp (C#) DAC Data Logging DMM DSO Electronic Load FPGA Function Generator HP 8566B I2C LCD Linux MCP2210 MOSFET MSP430 LaunchPad MSP430G2 Multi-threading Multimeter Open Source Oscilloscope Programmable Power Supply Q9450 Reflection Review SHT21 Signal Generator Spectrum Analyzer SPI Teardown Temperature Sensor Ubuntu VMWare Windows Vista WordPress
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