Ramblings
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Engine musings
Sunday saw me on Blue Opal for the afternoon doing an oil change, and then staying on board overnight to make the early tide to Malahide (to get the damage from launching dealt with). A bit of cleaning and tidying occurred too! I was in Malahide by 1030 hours on Monday (having left just after…
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Start of the 2023 sailing season
Blue Opal was antifouled on Thursday just gone, and lifted in to the water on Friday. We had hoped to bring her back to Dun Laoghaire on Friday, but the yard was rather slow in getting the process started – a late lift the day before had occupied the boat mover (a big yellow hydraulic…
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TIL: Python shared_memory.ShareableList
While watching Tech Tangents over the weekend, I went digging into the Python documentation to see what features Python has for doing shared memory between two processes. TT was attempting to do it with multiprocessing.Value() objects, but was using pointer-ctypes, which are only valid in the memory space they’re created in (ie, they’re not accessible…
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Plumbing adventures
Since the renovation in 2019, the cylinder-fed hot water supply in the house has had air in it. Constantly. Every day. So I’d go to take a shower, and have to clear a bunch of air out of the feed before the shower would be happy. Worse, it would occasionally feed air mid-shower too, which…
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Where does the cold come from?
I recently had a thermal survey done by Snughome.ie as a precursor to doing any further remedial works on the property, such as changing out the windows. While not cheap, the data furnished (in the form of IR photos) is invaluable and points out several changes I can make that won’t cost a lot of…
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Mapping KDE’s zoom to a mouse wheel
KDE’s kwin is the module that handles all window management, and one of the things that KDE can do is zoom in on the displayed graphics. This isn’t the same as KMag(nifier) which pops up a dedicated program where you can scroll around and change the zoom level; it’s a desktop-level control that zooms the…