Category Archives: Technical

“Rational” IT related entries.

Note on memory upgrade for HP LaserJet (CP3525 / CC412A)

As a continuation of my previous post it’s also worth mentioning that if you’re looking for a memory upgrade for your HP LaserJet CP3525 (3525n, 3525dn, 3525x; also maybe CM3505, CP3505 — basically any printers that require HP OEM CC412A … Continue reading

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Demo of Highslide gallery with Ajax URLs

Update: a pure Javascript implementation by setnicka. Highslide is an excellent JavaScript library for making galleries, but there’s one feature I was really missing in it: Ajax URLs or URLs which change as you browse images on the page. Thankfully developers … Continue reading

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Easily switch between speakers and headphones on Apogee Duet

Update: this tip no longer works with Apogee Maestro 2. If you want to be able to switch easily between speakers and headphones while using Apogee Duet (perhaps Apogee One too), this simple tip is for you.

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“No package … is available” when doing “yum install”

If after doing yum install you get the error: no package … is available while you’re absolutely sure that the package you want to install is available in connected repositories, chances are that it is excluded in /etc/yum.conf. My error … Continue reading

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“Trim” counterpart in Illustrator

In Illustrator, if you need to crop the canvas (page) just like the “Trim” function in Photoshop would do, use Object > Artboards > Fit to Artwork Bounds.

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“Steam is temporarily unavailable” problem

Recently I installed Kaspersky Internet Security 2010 onto my Windows 7 x64, and it replaced the built-in Windows firewall (there was an option to do so while installing, and I deliberately chose it). Everything was fine except the next day … Continue reading

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Select input language by Caps Lock in Mac OS X

(Эта статья также доступна на русском языке). Also: Switch input language by Caps Lock in Windows. !!! This method is not yet compatible with macOS 10.12 Sierra !!! * * * I found a new way to bind input language … Continue reading

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Переключение языка ввода по Caps Lock в Mac OS X

(This article is as well available in English). !!! Это метод пока не работает в macOS 10.12 Sierra !!! Для пришедших из поисковых систем по схожим запросам: Если вы не знаете, как вообще переключается раскладка/язык в Mac OS X, попробуйте … Continue reading

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“Recording device error” of Skype for Mac

If you’re using a USB sound card with a headset, the solution is simple as it can be: reconnect your USB sound card.

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Restoring Windows on a PC after installing Bootcamp

After installing Bootcamp 3.0 on a PC running Windows Vista (I was experimenting with Apple Aluminium Keyboard drivers), the system started BSOD’ing on startup with an error related to AppleMnt.sys.

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