Author Archives: Sti

Svg-based 3D model in OpenSCAD via Inkscape/DXF

OpenSCAD ist a really cool tool for simple solid modeling. However, the built-in shapes naturally have their limitations, and one option for getting more details is to import SVG files. Here’s how you can do it: Create or import your … Continue reading

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Upgrading a Lenovo Ideapad Y580 notebook

Software needs good hardware, so if you accidentally own a Lenovo Ideapad Y580 notebook, here’s what hardware worked fine for me RAM upgrade from 8GB (2x4GB Ramaxel, came with the notebook) to 16 GB: Corsair Vengeance 16GB (2x8GB) DDR3 1600 … Continue reading

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“You don’t currently have permission to access this folder”

“You don’t currently have permission to access this folder” – this error happens sometimes on my Windows 7 machine – seemingly in conjunction with cygwin – somehow the ownership of folders/directories gets broken. Here’s the command to fix this quickly … Continue reading

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Ambiguous method overloading for method in Grails Spock Test

In case you run into the following exception when using mocks in a Spock test: groovy.lang.GroovyRuntimeException: Ambiguous method overloading for method java.lang.Integer#multiply. Cannot resolve which method to invoke for [null] due to overlapping prototypes between: [class java.lang.Character] [class java.lang.Number] It … Continue reading

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My First Real Shellshock

Apart from a harmless backping immediately after the shellshock vulnerability became known, here’s now the first time that I noticed an actual exploit. (There may have been others that went unnoticed who might have just used some http headers). This … Continue reading

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