Pros and cons of RightTrack or SnapShot devices

Insurance companies are starting to offer discounts if you plug one of their devices, often called a RightTrack or SnapShot, into your car’s ODB2 port.

One of my college buddies asked me about them when his insurance company offered his family a 5% discount to plug these into their cars, and then make them eligible for up to another 25%. Those are compelling numbers. So what are the potential drawbacks?

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Solve the NSIS error

nsis_errorI was trying to install some software last week and I got an NSIS error like the one to the right. The message certainly suggests corrupt downloads, but corrupt downloads are relatively rare, and when they happen, redownloading it ought to clear that up. Getting two of these failures in a row with different programs is really a freak occurrence, so I started looking for another problem.

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Origin of CP/M’s PIP command

CP/M was, as you probably know, the first popular microcomputer operating system. It was good but imperfect, and its cryptic command for copying files, PIP, is often cited as an example. Copy makes sense. Even the Unix equivalent, cp, makes sense–it’s copy without the vowels. But what does PIP mean? What’s the origin of CP/M’s PIP command?

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Commodore 64 vs 128

The Commodore 128 was introduced in 1985 as an upgrade path from the Commodore 64, the most popular model of computer of all time. The 128 was intended to address the biggest shortcomings of the 64 while remaining mostly compatible with its hardware and software. That makes the Commodore 64 vs 128 a natural comparison.

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Commodore 64 vs 64c

The Commodore 64 went through a number of revisions throughout its long life. The most outwardly visible of those revisions was the transition from the tan, boxy C-64 to the thinner, lighter-colored 64c. If you’e wondering about the Commodore 64 vs 64c, here’s what you need to know.

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C64 vs. Apple II

The C64 vs. Apple II was perhaps the most epic battle of the 8-bit era. Both companies sold millions of machines, yet both nearly went out of business in the process.

Comparing the two machines with the largest software libraries of the 8-bit era is a bit difficult, but that’s what makes it fun. The two machines are similar enough that some people ask if the Commodore 64 was an Apple product. The answer is no.

As a weird aside, it was possible, with a Mimic Systems Spartan, to turn a C-64 into an Apple II. Not many did, but the reason why is another story.

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How to disassemble a Lionel 1001, 1060 or 8902 locomotive

Disassembling a Lionel 1001, 1060, 8902 or 8302 locomotive isn’t too difficult. The biggest problem is knowing where the three screws are that you have to remove.

These particular locomotives weren’t really designed to be repaired, but there’s some basic work you can do on them with household tools. The 8902 and 8302 locomotives can be cheap sources of a motor for other projects.

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Attach Marx lighted accessories and hide wiring in one step

A frequent question I read is how to attach tin accessories, such as Marx light posts and light towers, to a layout in a semi-permanent but reversible manner. I have found a way to do this, and as a bonus, it also makes it easy to hide the wires that are feeding the lights and makes the wiring simpler.

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