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grantbachman | 6 years ago | on: Ask HN: How do you guys prevent back problems?

Yes! Many people think they shouldn't exercise their back because it already hurts and they don't want to upset it any further. In reality, a lot of back pain comes from having a weak back. Squats help tremendously with this.

I highly recommend watching Mark Rippetoe's videos on getting stronger, and learning how to squat, bench, deadlift, and press in a safe way.

grantbachman | 10 years ago | on: Scrapy Tips from the Pros

As someone who does a fair amount of scraping at his job, I'd like to hear what you have to say regarding both questions :)

grantbachman | 11 years ago | on: Ask HN: Idea Sunday

Tutorials that actually validate whether they currently work.

One use case would be tutorials on deploying to IAAS/PAAS providers. Deploying always seems to be the hard part after I build something; I don't like using the same language and IAAS/PAAS twice for learning purposes. It's complicated even more so as many tutorials don't reference when they were written or which code versions they used. The site would require this information, and then use it to periodically attempt to deploy that sample to AWS/Digital Ocean/etc (whichever the tutorial is covering), and prominently display whether the tutorial currently works.

grantbachman | 11 years ago | on: "Autonomous spaceport drone ship”

What is the cost/technical feasibility of SpaceX being able to broadcast this landing live? The barge will be miles out to sea where there are no cell towers, so how difficult would it be and how much would it cost to stream a video from the middle of the Atlantic?

grantbachman | 11 years ago | on: The Economy Got Off to a Historically Bad Start in 2014

Because all the Fed can do is issue/buy back treasuries (and MBS since Bernanke), as well as act as a lender of last resort. Banks are the ones who hold the vast majority of treasuries so they're the ones who are getting the cash for them. How else do you expect it to work?

grantbachman | 14 years ago | on: Practicing 2000 hrs (The Dan Plan: a 10,000 hr deliberate practice experiment)

This is amazing. It's hard to believe someone is capable of being that dedicated to something they've never really done before. I could understand how an amateur golfer who is in love with the game might set this lofty goal, but it seems Dan really had no feelings toward the game either way. More or less, he's doing it just to see if he can do it. And he's willing to dedicate 5 years of his life to this!

grantbachman | 14 years ago | on: "How To Write Good" by Frank L. Visco

Am I the only person who thinks most grammatical rules are complete crap? Everyone has their own writing style, which is what makes reading works by different authors so enjoyable. The one rule I especially dislike is the 'never end sentences with a preposition' rule, which if always abided by, will dramatically overcomplicate many sentences.

grantbachman | 14 years ago | on: Flipping 10 heads in a row - a small probability demonstration

A quicker way to do this would be to take a container full of 1024 coins and dump them onto the ground so they're spread out. Put all the coins that landed heads up back into the jar and continue this process 10 times. However many coins you have left are the number of coins that landed heads up 10 times in a row.

grantbachman | 14 years ago | on: Bank of Canada: The New $100 Note

Pennies do have their place though. As much as I dislike carrying them around, imagine not being able to divide up money past the 5 cent barrier. Every store would have to change their prices to the exact point at which the price of the item + sales tax equaled a multiple of 5 cents. Or they would keep the item prices the same, at which point customers might not like they are being charged, at the maximum, 4 cents more than they should. Those pennies add up.

grantbachman | 15 years ago | on: The Revolutionary Birth Control Method for Men

If the operation was cheap enough, I'm betting the younger generation will use it as an alternative to condoms, then get it reversed when they're ready. I'd get it done as soon as it came to the US, and I'm only 22. One less thing to worry about.

grantbachman | 15 years ago | on: The Revolutionary Birth Control Method for Men

I think for most people it's about pregnancy prevention and not STD prevention. Ask any college kid why he wears a condom, he'll tell you it's because he doesn't want kids right now, not because he's afraid of getting STD's. Although I agree STD prevention is a great ancillary benefit, and it's why I'd still wear one even after an operation like this. But tell a 20 something college kid he won't have to worry about unwanted pregnancies if he get's this operation, the first thing out of his mouth will be an exuberant declaration of how he won't have to worry about buying condoms anymore.

grantbachman | 15 years ago | on: The Revolutionary Birth Control Method for Men

No, I'm not suggesting that at all, merely stating an observation. As long as people know the operation doesn't protect you from contracting STD's, that's good enough for me. It's their choice whether to still use a condom or not. In my opinion it can't get to market fast enough! Even if it doesn't end up being 100% effective, it's another layer of protection.

grantbachman | 15 years ago | on: The Revolutionary Birth Control Method for Men

I would sign up for this procedure in a heartbeat, but it still doesn't get around the (albeit not perfect) STD protection condoms can provide. If this takes off, people probably won't wear condoms most of the time, and the number of people being diagnosed with STD's will skyrocket.

grantbachman | 15 years ago | on: Twitter Can Predict The Stock Market

I find this interesting because the consensus among the economic community is that markets are highly efficient, that is, information is reflected immediately in stock market prices. This suggests information exists which is not being reflected. That's why I'm skeptical.
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