Category Archives: Technical

Technical parts

The City College CUNY Class: CSC 22000 Algorithms

Posted on February 1, 2016 by timlyg

Professor: Peter Brass, NAC 8/208, office hours: Wed 3-4pm; email: peter@cs.ccny.cuny.edu, phjmbrass@gmail.com (homework submission) 4 HW projects: each implementation of an algorithm in C/C++ Interface & test code provided, submission must pass on prof's computer. No partial Credit - (pass/fail … Continue reading →

Posted in Projects, Technical | 22 Comments

Headlights upgrade for Honda CR-V 2012 EX

Posted on January 10, 2016 by timlyg

After much complaints from my wife about the car headlights, I've decided to upgrade it to OSRAM Night Breaker Unlimited ($33+), which comes highly recommended. There have been much complaints about the original OEM headlights that came with Honda CRV … Continue reading →

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SAS Programming Certifications

Posted on January 8, 2016 by timlyg

With Nadia's advice, I took SAS Base programming earlier this week. But due to unfamiliarity with the test, I got 69% instead of the 70% passing mark. I also blame myself for not preparing well enough for such easy test. … Continue reading →

Posted in Faults, Technical | 1 Comment

Virus File Scanner Online

Posted on December 3, 2015 by timlyg

https://www.virustotal.com/ A good one. I had a suspicious email in my CUNY account with a doc attachment. And with this online scan, I could lookup lots of details and even determined that the virus I got "should not" infect Android … Continue reading →

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Huawei's true capacity li-ion battery

Posted on November 16, 2015 by timlyg

China's is known for selling fake batteries (falsely labelled high capacity); now it is also where we are supposed to get true high capacity/fast charging battery (about 10 minute charge for 3000 mAh.

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Problems with Lithium Ion Batteries

Posted on October 27, 2015 by timlyg

With my Fujitsu Lifebook P1620, the battery that came with it is loosing charge capacity. It is discharging faster than I anticipate (about 1 hour of life only). The solution has to do with a COMPLETE discharge of the battery … Continue reading →

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Optimum Online Speed Test

Posted on October 18, 2015 by timlyg

http://www.speedtest.net/my-result/4755704520 at home. After new modem upgrade. I think there's not much difference.

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Adobe Acrobat Reader DC: Hide Tools Pane by default

Posted on September 21, 2015 by timlyg

Solution: Edit xml file: C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\Viewer.aapp to contain only the first line. I had the rest commented out with: <!-- ... -->

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IP Addresses Range

Posted on September 11, 2015 by timlyg

I'd often wondered/confounded by the /32, /24, /16, etc. appearing after the ip addresses. Now it is clear. CIDR Start Range End Range 69.208.0.0/0 0.0.0.0 255.255.255.255 69.208.0.0/1 0.0.0.0 127.255.255.255 69.208.0.0/4 64.0.0.0 79.255.255.255 69.208.0.0/8 69.0.0.0 69.255.255.255 69.208.0.0/11 69.192.0.0 69.223.255.255 69.208.0.0/12 69.208.0.0 … Continue reading →

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DD-WRT Block ip, subnet

Posted on September 11, 2015 by timlyg

iptables -I FORWARD -d 58.108.0.0/16 -j DROP Blocks all ip: 58.108.*.* Despite many commands suggested to block ip, the above appears to work best. FORWARD, not INPUT. Unless, of course, I was misled by coincidence where just after executing the … Continue reading →

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