I'm a proponent of them. They help separate out atomic commits ("I'm writing the feature here... I'm doing a refactor there"). They also serve for being able to quickly identify where I need to look in the story I told myself for "what did I do there?"
While the goals that it is designed to get people to follow is something that I've preferred in my own commits in the past, this gives a structure to them that helps identify when there's too much in a commit for it to be reasonably reviewed in isolation.
The funniest one I’ve seen was in Lisbon. There’s a roundabout that has a light on the inside. Not to enter the roundabout! But once you are inside one, you must stop at some point.
So much that in post Soviet countries it’s common to bring a Geiger counter to buy real estate. Usually the contamination is from natural sources like stone quarry that hasn’t been properly inspected.
There was the Kramatorsk radiological accident in the Soviet Union (Ukraine) where a cesium 137 source used at a gravel quarry was lost. Ended up in the wall of an apartment. Four people died of leukemia over 9 years.
Yes and no. I had this happen recently and looked into it.
My wife has been using my car, which is a Diesel Golf with a fuel capacity of 14.5 gallons. We set off driving one Saturday to visit my parents, and I noticed the fuel gauge was below empty already. By the time I got to the gas station, I put 14.3 gallons of fuel into it. I calculated that that works out to be about a cup and a half of fuel.
So once you hit empty on my car, you definitely have a ways you can drive still. I feel comfortable driving about 30+ miles, and it's never died on me. That puts it at no more than 1 gallon of fuel left in the car based on my experience (not scientific I know, but I've owned 2 of these cars, with about 190k total driven miles). It's a lot less than 10 liters from E to Dead on the roadside.
You shouldn't tempt fate with a diesel, or any direction injection car for that matter. The high pressure pump will shred itself very quickly as the diesel is used for lubrication.
* enough reserve to waste some in traffic. On top of that
* enough reserve to find gas station. On top of that
* enough reserve to drive to neighbouring city for gas station. On top of that
* enough to cruise 30 minutes around that neighbouring city looking for other gas station in case the previous ones were closed. On top of that
* enough station to run around parking lot looking for space to park
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