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Android cell phones as handwriting pad for Windows PC

September. 26. 2015 by lawnz –  Category: Computers (No Comments)

Wifi Handwrite Pad Pro http://wifihandwritepad.blogspot.com/ https://play.google.com/store/search?q=wifihandwritepad I got it working in 10 minutes. make sure you enter a password in the application on the pc side, it didn’t work for me if I leave the password empty. I already have Chinese input on my cell phone, this android app + pc application allows me to enter Chinese on my cell […]

Patent drawings and online software Gliffy vs Creately

November. 25. 2012 by lawnz –  Category: Computers, Legal (No Comments)

I was working on  patent drawings which requires black and white colors only, unless you file petition for color drawing, I tried Visio 2007 Standard, most of network and computer shapes are in color, I found web based drawing software can solve my problem, subscription fee is reasonable $4.95 per month, after I tried the demo on both Gliffy and […]

Bash has improved and is very useful for a lot of tasks, many test suites from major companies are written in Bash, I also wrote test automation in Bash for my company. I bought this book “Linux Command Line And Shell Scripting – Second Edtion” on Amazon.com http://www.amazon.com/Linux-Command-Scripting-Second-Edition/dp/1118004426/ref=sr_1_1?ie=UTF8&qid=1349152894&sr=8-1&keywords=Linux+Command+Line+And+Shell+Scripting although most people rate this book five stars on Amazon, I have some comments: 1. it does not build the foundation for […]

How to stop WordPress user registration spams

September. 14. 2012 by admin –  Category: Computers, Internet (No Comments)

After our web software was upgraded to latest WordPress, we got about 600 user registration spams for the last two days, we do have Theme My Login and SI CAPTCHA Anti-Spam plugins on register page, that does not stop spams, after some testing, I have found the problem, the Theme My Login plugin create new register page, leave the default pages /wp-signup.php and /wp-login.php pages […]

IPv6 deployment

September. 3. 2012 by lawnz –  Category: Computers, Internet, Technology (No Comments)

IPv6 addresses has been around for so many years, I have not seen any real deployments in the world of computer communication, but it finally takes off on 4G LTE cell phones, I use my new Samsung Galaxy S3 mobile phone to search “my ip address” on Google, the link found shows my public IP address is IPv6 type address, I almost […]

Network speed of Yahoo vs Google vs Bing

July. 10. 2012 by lawnz –  Category: Computers, Internet (No Comments)

I did some tests on network speed of Yahoo, Google, and Bing, first test was done from my office in Santa Clara, CA. second test is done from web server hosted at pair.com in Pittsburgh, PA. the test result shows Microsoft Bing network speed is fastest, first set of test data is done from Santa Clara, CA: ping www.yahoo.com PING ds-any-fp3-real.wa1.b.yahoo.com (72.30.38.140) 56(84) bytes […]

While I was looking for network storage device, I found out Netgear Readynas prodcuts support DLNA, http://www.amazon.com/NETGEAR-ReadyNAS-Diskless-Attached-RNDP400U/dp/B004AM61Y8/ref=sr_1_5?ie=UTF8&qid=1340761489&sr=8-5&keywords=readynas I have two smart TVs, I saw DLNA messages on the screen, I never bother to find out more about DLNA until I read this on wikipedia.org, http://en.wikipedia.org/wiki/Dlna “The Digital Living Network Alliance (DLNA) is a non-profit collaborative trade organization established by Sony in June […]

Backup computer image

June. 26. 2012 by lawnz –  Category: Computers (No Comments)

I have been using Clonezille to backup image of hard drive in my laptop, this will ensure I can restore everything back to laptop, including the Windows 7 OS. here is how for Windows system, 1. use HP tool to quick format an USB flash drive http://www.softpedia.com/get/System/Hard-Disk-Utils/HP-USB-Disk-Storage-Format-Tool.shtml 2. download Clonezilla http://clonezilla.org/downloads.php 3. use unetbootin to burn Clonezilla iso file to USB flash drive http://unetbootin.sourceforge.net/ […]

USB RAID

June. 26. 2012 by lawnz –  Category: Computers, Technology (No Comments)

I saw a lot of external dual hard drive products on the market, there are network and usb ports on those products, I was curious if it is possible people are making USB 3.0 RAID, so I did some research on Internet, sure enough, there is a new chip – Symwave’s USB  3.0 standard-compliant dual SATA and RAID bridge controller, here […]

favicon.ico is a website icon image file, this image appears in the URL field of web browser, I found this image sometimes does not show up in IE Internet Explorer, it always works in FireFox and Chrome browsers, I did some research on Internet, and did some tests, now it seems works in IE reliably, here is what I did: 1. create png file, […]


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