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How to modify a gnome shell theme
This is (I think) the correct way of doing what I tried to do with an extension. My objective was to reduce a bit the size of the gnome shell top bar, and especially the font size. The correct way is...
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Recreating bokeh (just an idea)
Bokeh is that nice off-focus effect that good lenses can give you on portraits or photos of details, helping centering your attention on your subject and not on the background of the photo....
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Macro lenses are expensive… all of them?
I have recently bought a new lens, on ebay, for around 100€, the famous Vivitar 100F3.5 Macro They are quite right when they say it’s plasticky, noisy, and light; but I have to say that it...
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Shepherding at (very) small scale
I recently bought a (wireless) flashgun, a Nissin Di622 mark II for my Sony. And tried the Vivitar 100F3.5 Macro with a method I read from Robin Wong: I used the flashgun hand-held and the camera on...
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How to modify a keyboard layout in Linux
Or: how to define a programmer-friendl(er) Spanish keyboard. A bit of history There was a time when the computers all had the same keyboard — basically, the US one. You really do not need any more; the...
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The perfect lens kit…
…does not exist, of course. But I think I have found mine; at least for my balance (as an amateur) among portability, flexibility and quality. I am an amateur photographer; I do not sell photos (apart...
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Quick fix xfig bug
Ok, so I am a computer dinosaur. I still use xfig for much of my drawings, although I recon it is a program from the old century… Unfortunately, after the recent upgrade to Ubuntu 14.04, a nasty bug...
View ArticleManaging PPAs in Ubuntu: a couple of useful scripts.
PPAs are really a great thing in Ubuntu: they allow you to have quite recent programs without upgrading all your system; most Ubuntu users use them extensively. They have just one problematic side —...
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Eclipse
I suppose that everyone and their cat has eclipse shots this days… but I think this is a bit different: I was shooting the March 20, 2015 eclipse (in Madrid) through a tree, and as a test I tried to...
View ArticleA new nice trick for the Linux keyboard: greek letters
I do not know you, but me (as an engineer) use Greek letters like α, β, γ and so on quite often. I did a small change to my linux keyboard layout: the new part in the keyboard symbols files now is...
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xkcd color list for LaTeX users…
After reading the (very) fun post about colors name at xkcd, I decided to create a small package to add the color list to my LaTeX documents… After circumventing a small bug in xcolor, and ten lines of...
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Notes on upgrade from Ubuntu 14.04 to 16.04
I know that the standard policy in Ubuntu is to offer the upgrade from an old LTS to a new one when the new LTS reaches .1, i.e., 16.04.1, but well… I upgraded my 14.04 in several machines, and I can...
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