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🇨🇦 tunetardis

@ tunetardis @lemmy.ca

Posts
2
Comments
305
Joined
3 yr. ago

  • US aiming to ‘crack the code’ on deploying geothermal energy at scale

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  • I've always wondered to what extent the horizontal drilling revolution could help with geothermal? It certainly did wonders for fossil fuel extraction, but perhaps this is the silver lining?

  • Russia's primary chipmaker is struggling with a defect rate of about 50 percent

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  • FTA:

    By 2030, the country's goal is to manufacture chips using a 28nm process technology – something TSMC did in 2011.

    That's assuming they really do have no choice but to do all fabrication domestically.

  • Russia's primary chipmaker is struggling with a defect rate of about 50 percent

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  • In Putin's Russia, even the chips defect.

  • Removed

    Been getting a lot of these emails lately

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  • There should be a law that whenever this happens, the changes must be highlighted in bold.

  • LibreOffice 24.2.2 Is Now Available for Download with More Than 70 Bug Fixes - 9to5Linux

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  • I was astonished to find the other day that LibreOffice has no problem opening ClarisWorks files. That is an ancient Mac format that even Apple's Pages has long since abandoned.

  • UN: Rights expert finds ‘reasonable grounds’ genocide is being committed in Gaza

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  • This is a big deal. The UN doesn't throw the term genocide around lightly. And I thank the OP for linking directly to their site to give as unadulterated a reporting as possible.

  • What product brings a lot more value than its cost to purchase?

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    • A good quality belt. A cheap belt may last a year or two while a good one lasts decades but doesn't cost 10x as much.
    • Any sort of micro-mobility device (bikes, scooters, etc. or even costlier electric versions of these) that replaces a regular commute has good ROI over driving or even public transit (unless you're lucky enough to live in a city where it's free).
    • A big sack of rice. It's kind of insane how many meals you can get out of one of those.

  • True Story

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  • There is an issue with templated code where the implementation does have to be in the header as well, though that is not the case here. C++20 introduced modules which I guess were meant to sort out this mess, but it has been a rocky road getting them to be supported by compilers.

  • True Story

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  • Looks like we've got a Java programmer here taking C++ for a spin.

  • What's behind the Canadian carbon tax, and how it works

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  • There are two systems for pricing carbon in Canada: the fuel charge applied to consumers, and another system applied to industrial emitters. The federal government has estimated that all carbon pricing will account for up to one-third of Canada's emissions reductions in 2030. Most of that one-third will come from the industrial pricing, which is far more effective according to a new study by the Canadian Climate Institute.

    That's interesting, but leads to a question. Is this system applied to industrial emitters also revenue neutral? Because if it is not, I can see it leading to one of several outcomes, none of which sound great. The industries may pass on their increased costs to the consumer. The industries may move their heavy emitting plants to other countries with lax climate laws and/or enforcement.

    The latter could be somewhat combatted using tariffs, but tariffs are ultimately taxes in their own right. It's probably better to focus on trade agreements between jurisdictions with a unified climate policy. That would protect both the import and export sectors while levelling the playing field for industry. If memory serves, such a thing existed between Ontario, Quebec, and California at one point before Doug Ford's government pulled Ontario out of it? And I remember the federal government indicating at the time that it would not impose a carbon tax on provinces which had a comparable programme already in place. But here we are…

  • How did Canada end up with worse air quality than the US?

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  • I remember thinking last summer it was a good thing we still had some N95s in the closet. I wore them when I was riding around on my bike and they did help.

  • Paris cycling numbers double in one year thanks to massive investment and it's not stopping

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  • Wouldn't 3k Euro be essentially the luxury sedan of ebikes? My first was a class 1 aimed at tourist rentals that cost around $1.5k CAD ($1k Euro). I considered that entry level at the time, though there are cheaper ones out there now. My current one is a $2.5k CAD ($1.7k Euro) class 2. It is pretty much everything I could want in a bike. I can't see myself spending more. Well, maybe a cargo model would cost more?

    I get what you're saying about theft though. I am lucky in that I have indoor parking both at home and work. A coworker of mine lives in a condo where he can't park a bike indoors. So while it was thankfully never stolen, he was sufficiently nervous about it that he eventually sold his and replaced it with an escooter.

  • Paris cycling numbers double in one year thanks to massive investment and it's not stopping

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  • So jealous… I think where I live, a doubling of the cycling population would be like "Oh hey look, there's another guy!"

  • The United States has its first large offshore wind farm, with more to come

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  • I looked up 11 MW offshore wind turbine and it came back with this one. Not sure that's the model they're using, but it says the diameter of the blades alone is 200 m. Picture a 60-storey building and maybe add another 10 or so for how much bottom clearance the blades have and you're basically looking at 12 moving skyscrapers. That would indeed be a sight to see!

  • The United States has its first large offshore wind farm, with more to come

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  • Is 132 Mw considered large? I thought that would be sort of middling. The nearest wind farm to me puts out somewhere around 200 Mw iirc? What is impressive is that they can generate 132 with only a dozen turbines. That's 11 Mw per turbine. Those things must be absolutely huge! The ones near me generate maybe a quarter as much power. So maybe it's the first large turbine wind farm?

  • How did Norway become the electric car superpower? Oil money, civil disobedience – and Morten from a-ha

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  • Sounds like they had an a-ha moment.

  • [SOLVED] Tar: what's the implication of the ./ and ./file structure in the tar file?

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  • Oh yeah, that's another way to make a subshell. But don't forget to stick the find in there also:

     
            sudo sh -c 'cd ./testar && find . -maxdepth 1 -type d,f' | ...

  • [SOLVED] Tar: what's the implication of the ./ and ./file structure in the tar file?

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  • The commands within the parentheses run in a temporarily created subshell with its own environment. So you can change the working directory within it and it won't effect your main shell's working directory.

    Let's say you're in the home directory that's called /home/joe. You could go something like:

     
            > (cd bin && pwd) && pwd
    /home/joe/bin
    /home/joe

    If find had something equivalent to tar -C, you wouldn't need to do this, but I don't think it does?

  • [SOLVED] Tar: what's the implication of the ./ and ./file structure in the tar file?

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  • Ok, I actually tried something like this at a terminal. You do still need the -C ./testar if you use the subshell since tar won't know where to look otherwise.

     
            (sudo cd ./testar && sudo find . -maxdepth 1 -type d,f)  | sudo tar -czvf ./xtractar/tar2/testbackup2.tgz -C ./testar -T -

    This will still give you a listing with ./text.tz and so on because find prints ./whatever when you search .. I think this is harmless? But I suppose you could remove them if it bothers you.

     
            (sudo cd ./testar && sudo find . -maxdepth 1 -type d,f)  | cut -c3- | sudo tar -czvf ./xtractar/tar2/testbackup2.tgz -C ./testar -T -