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2 cent tip

Version control in Xcode (GIT)

Today I have to fix a bugged program developed with Apple Xcode. Fixing broken code and replacing deprecated functions is a very energy consuming job and having a version control service can relieve the pain. Luckily Apple Xcode can natively work with GIT but this feature is not simple to enable. Read more…

By huntz, 9 yearsDecember 12, 2013 ago
2 cent tip

Convert a PDF to black and white version

The problem: you have a PDF with some coloured elements (like some logo, separation lines, etc…) but you need a PDF in B/W. The solution: you can print your file (with a B/W printer) and then scan it 🙂 or, using GPL Ghostscript, run this command… gs -sDEVICE=pnggray -r150x150 -sOutputFile=output-%02d.png Read more…

By huntz, 9 yearsOctober 7, 2013 ago
2 cent tip

Upgrading Windows XP VMs to 2 CPU

Source: Alex Klink’s tech blog: VirtualBox – upgrading Windows XP VMs to 2 CPU. I repost this tip because it’s very useful and I don’t want to loose it if the source blog disappears 🙂 Symptom: If you had Windows XP VM with only 1 CPU created / virtalized earlier Read more…

By huntz, 9 yearsOctober 3, 2013 ago
Hardware

No default or UI configuration directive found! – boot from USB

When playing with unetbootin or some other software for converting a ISO image to a USB stick, you can get, trying to boot from USB, a message like this: ERROR: No configuration file found. No default or UI configuration directive found! Boot:_ You can fix this formatting the USB device Read more…

By huntz, 10 years ago
English

Extract all images from a PDF file

The task of the day: extract all images from a PDF file. I have found a little utility on my Linux box called pdfimages (it’s from the package xpdf). With this great command line tool you can save all the graphics from the file (as you can see from the Read more…

By huntz, 10 yearsOctober 26, 2012 ago
Apple

How to use RDP with VirtualBox

Recently using VirtualBox on Mac, I enabled the Remote Desktop Extension but no way to get it working. After a little research I have discovered you must install also the Oracle VM VirtualBox Extension Pack to get the RDP working. Apparently, the Extension Pack must be installed every time you Read more…

By huntz, 11 yearsSeptember 12, 2012 ago
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