Author: Andrey Mikhalchuk

Silence Noisy Speaker
Posted in Featured on Home Page Hardware How To Other

How to silence a piezo buzzer in your microwave, alarm clock etc

Almost every time I buy a piece of electronics with some sort of alarm it always includes a super loud and mega annoying buzzer notifying about the end of cycle. Though tuning it off completely is an easy operation (just open the case and cut the wire) making it just…

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Photo by Malte Wingen on Unsplash
Posted in Other

Fixing Sony Pulse Elite Edition Wireless Headset Blue Light of Death

Sony Pulse Elite Edition Wireless Headset is the finest you can find for PS3 and it totally worth its sticker price between $100 to $150. This is one of only a few options providing Surround sound for PS3, thanks to Sony proprietary protocols used for sound delivery to your ears….

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Browser Offline
Posted in How To Web

How to make browser offline cache retrieve new version of the page when browser is online, but keep using cache when it is offline

Offline cache is awesome! For certain things. For most regular web pages it is unfortunately not. Here is web developer’s most frequent use for the offline cache: make browser use cached version of the page when browser is offline but refresh it when it gets online. What could be simpler…

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Posted in How To Linux Web

AWS EC2 ssh not responding in RHEL 6.4 AMI

I was fighting with an AWS bug today seeming just ridiculous for a system that makes ssh the only way to access the server. With no console login EC2 users are completely dependent on flawless sshd operation and Amazon team just did a really bad job preparing the RHEL 6.4…

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Posted in How To Tools

How to use large / multiline text as a field in mongodb

I’m working on a project that requires storing large multiline chunks of text in MongoDB. The chunks should be inserted in the database during initial database population, so I need to enter them somewhere in db population script. Unfortunately you can’t just put something like this: db.tests.insert( { name: ‘test’,…

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Posted in Linux Software

rPlay rocks!

I’m currently beta-testing rPlay and this software totally rocks! What’s rPlay? Well, imagine yourself willing to share content of your iPhone or iPad screen with you family. There are couple ways to do this: you can get an Apple TV ($99) or … well, that’s actually it. AirPlay is a…

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Posted in Other

Fixing Verizon FiOS DNS Problems

Your superfancy FiOS internet link is getting flaky for no reason every now and then? The reason could be not the fiber-optic cable (which is awesome), but a problem with part of infrastructure called DNS servers. The DNS (Domain Name Resolution) servers are responsible for translating domain names such as…

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Posted in Other Web

ActionView::Template::Error (active_admin.css isn’t precompiled)

Just sepnt quite some time fixing infamous “ActionView::Template::Error (active_admin.css isn’t precompiled)” error on prod. Everything worked fine in dev environment but once I put the code on prod it broke. Couple websites proposed several solutions, but none of them worked for me. Finally a combination of difference recipes seemed to…

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Posted in Other

Apple’s review fraud prevention system is as useless as Amazon’s :(

I already was writing about fraudulent reviews on amazon.com. Just today found the same lame approache to reviews on app store. Developer Jackadam seems investing ton of money into the promotion of a program called “Dark Sky – Weather radar, Hyperlocal Forecasts, and …”. I found a very positive review…

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Posted in Other

Fraudulent promotion techniques on Amazon are getting smarter

Take a look at this item:

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Posted in How To Other

Oracle Policy Automation Modeler Debugger 10.4.3 is not working with Internet Explorer 10

Oracel Policy Modeler Debugger is not working with Internet Explorer 10. You can still use it to author and compile rules, but debugger with windows just hangs. There is no official fix for this yet, so your only option is to uninstall IE10 if you can. In windows 7 go…

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