Catch up on stories from the past week (and beyond) at the Slashdot story archive

 



Forgot your password?
typodupeerror
DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25. Also, Slashdot's Facebook page has a chat bot now. Message it for stories and more. Check out the new SourceForge HTML5 internet speed test! ×

Comment Re:A way better solution (Score 1) 195

Technically, you don't.

And any accident you're involved in by choosing to do so will be deemed (at least partially) your fault too.

I have actually witnessed this exact thing one (it was temporary lights for works, and it got "stuck" on allowing one direction of traffic and never switched to the other.

Literally, you were stuck there. Even when people know what's happening (after they've waited for what should be 2-3 cycles, they tend to realise), they do not want to proceed. And you can't. Because the other side might well be - as in this case - stuck on green permanently and not expect you to try.

We turned around, rang the police, and we weren't the first, and they sent out a car to fix it. Ten minutes later when we came back that way again, it was working.

What makes you think that a red light stuck on red is any safer than one NOT stuck on red to cross? It might well - with modern traffic management systems - be stuck on red for a reason.

Comment Re:A way better solution (Score 1) 195

Really?

In the UK, red means DO NOT CROSS the line of the traffic light. If you're already past the line by the time it goes red, you're on your own (e.g. traffic jam in front but no yellow box forcing you to keep the junction clear and nothing moves for a whole phase) but it's not an offence.

It's quite simple, with our rules. Yellow means "It's about to go red". Red means "You CANNOT cross that line" (and the line is physical - drawn on the ground).

If you cross the line on red, you've broke the law, whether it was red for 0.1 seconds or 10 years (note: you can't even cross it if an emergency vehicle appears behind and you need to cross it to let them pass... it's AGAINST THE LAW to cross the line once the light is red).

The yellow phase has a prescribed minimum time dependent on the speed of the road, but it's basically "this is your warning" and then the red is "do not cross". What decision you make in between is up to your but our red-light cameras trigger on a beam on the line that is activated when the light goes red.

Once you've passed that line on green or amber - no matter what the lights then change to show, you've not broken the "traffic light laws", but you might still be driving dangerously, parked in a yellow-hatched box when you shouldn't be etc. but you aren't automatically fined for the light offence.

That anyone is arguing over tiny timings and when they activate means that people are trying to get out of being fined for their bad driving habits, and local authorities are caving because of bad feeling.

You should just make it very simple:
When the light goes red, the beam activates.
If you're IN the beam at that point, you cannot progress forward (we'll take your picture if the beam suddenly becomes unbroken).
If you're already past the beam at that point, you can do what you need to (we won't take your picture).
If you TRIGGER the beam at that point, you get a fine (we take your picture).

So long as the yellow phase is a legally-safe period of time to come to a safe and controlled halt from the maximum speed of the road, everything else is moot.

Comment IP tunnels (Score 4, Interesting) 48

Not at all sure that any kind of tunnel is appropriate in this day and age, anyway.

Hell, just push all your traffic through us! It's fine! All that unencrypted email and DNS lookup? Don't worry, we're just converting to IPv4 for you!

My home router has every IPv6 option known to man, including all kinds of tunnel and DHCPv6 etc. kind of connectivity.

My ISP supports none of them. The problem is not that I couldn't get on the IPv6 net. It's that my ISP has zero interest in helping me do so. Until that's fixed, it's pointless worrying about another way to get to the same sites/services as I already do.

Comment Re:Modern consumer solar (Score 1) 124

Sigh.

This is the FOURTH school I've worked at that has the same problem. The others I've worked at have deliberately refused solar installs after doing the sums.

In certain places, solar is just POINTLESS.

I'm in the UK, a major developed country the same latitude as other huge centres of population the world over. (Please don't say "Ah, yes, in the UK you won't get...." - this is exactly my point, solar is not a panacea).

And it's currently reading... ZIP. Literally I have to interpret the decimal points, so it's less than 100W. It's 1pm, it's got cloud cover but not raining, etc. and is daylight enough that you don't need a bulb in the office. We're in the middle of 28 acres of farmland (which tells you just what kind of school we're talking about here).

It's a school so it's electrically checked annually. They are paying for support, so it's verified to be working . It's cleaned every term. It's on a feed-in tariff and they are pushing their green credentials to parents, so they have an interest in seeing it work. I've seen it read nearly a KW, in the Summer, in direct sunlight, on scorching hot days, if you're lucky.

It's on an unobstructed roof, faces South, no trees or other cover.

It's 10KWp. It's about five years old (please don't say "Oh, you need to replace it to get the new.... what's the point if every five years you have to replace a system that takes 20+ to pay itself off?).

In over five years, it's generated 24408 KWh. That's everything, total, complete.

We are not alone. Selling solar to schools is a known con for bursars in the UK. The suppliers do exactly what they promise (and they never promise a minimum), the kit does what it can (and the kit is all third-party so you can verify others do get the maximums). It gets installed properly and schools that have it ALL complain how little it actually does, no matter what company, panel, etc. they use.

Honestly, fourth school I've had this at, all of them the ONLY schools to actually have solar.

Comment Re:Modern consumer solar (Score 1, Interesting) 124

Good for you.

The solar roof installed on my workplace (a large school) costs tens of thousands and won't pay for itself in 20 years.

It isn't even warrantied for that long.

It very much depends on where you are, not whether your panel is vertical or not (sure, it's BETTER to be vertical, but if you don't have enough sun in the first place, it makes virtually no difference).

We even have one of those "this is how much energy you're generating, CO2 you've saved" screens inside the building it's on. It's currently generating.... 45W. I could run a small incandescent bulb from it. Before losses.

Fortunately, we don't try and push that into battery storage or anything, because it's just not worth it. I was once asked if we could show the stat to parents on the website. Ironically, the servers, network switches, etc. in use to display that stat on the school webpages would use something like 10 times more power than it would be generating, just to do so.

Comment Re:Much cheaper than the iPhone (Score 1) 103

I've bought at least three 10GBP ones from Amazon Today's Deals.

There's one hanging in my office window now. No idea of brand (it's just plain and blank, but I think it puts up a logo when you turn it on, I just can't turn it off at the moment as it's on wireless and does stuff all day long).

We use them as everything from digital signage to server monitors.

Submission + - SPAM: Quicken Bill Pay is No Longer Safe to Use 1

Bruce Perens writes: I don't usually make security calls, but when a company makes egregious and really clueless security mistakes, it's often the case that the only way to attract their attention and get the issue fixed is to publicize it. This one is with Quicken Bill Pay, a product of Metavante (not Intuit). It's from personal observation rather than an expert witness case, and the company has been unresponsive through their customer support channel.
Link to Original Source

Comment Re: Uptime (Score 1) 48

As quick as Windows Update.

What makes you think they'd target my Office 365 account rather than myself directly anyway?

And I can get another IP in about 10 minutes from my ISP, or use one of the multiple other ranges / connections that I have. Or just connect my phone.

That's at home. In work, it's even easier.

Nobody buys Microsoft cloud services because of DDoS protection of their office suite.

  If anything, having a cloud office suite is actually the problem there. I can work in Word just fine while my external connection is down.

Comment Abandoning Time-Worn Processes Leads to Atrophy (Score 5, Insightful) 158

Scientists determined that those people who made use of machine washing rather than hand washing had diminished hand strength and neurological motor communication necessary for fine motor control. Seamstresses who bought thread rather than using the spinning jenny were similarly impaired. But worst off were teamsters who used the internal combustion trucks rather than teams of horses and used forklifts and other mechanical devices rather than loading their vehicles by hand. Their overall body strength was much reduced.

Comment Uptime (Score 3, Insightful) 48

Technically, if I measure uptime for the Google Cloud, the Azure Cloud and iCloud against my in-house servers (which are nothing spectacular and most people here wouldn't be impressed), over the last three years, I win hands-down.

And that's not counting "theoretical" outages, but actual outages where it happened in the working day in our region for services we use.

Cloud is just another computer. Use it as such. Supplement it with a replica / backup / alternative.

Comment Re:Honest question: what is the best... (Score 1, Insightful) 103

Go cheap.

I bought my gf a tablet from Amazon that was the cheapest Windows 10 tablet I could find.

It came with a one-year's Office 365 subscription and cost 100 GBP (that's about $124). It had a removable keyboard, just like the Surface, it functions well as a tablet, runs "full" Windows (she uses it for her Steam games, Skype, etc.).

There's no need to pay $300+ for an iPad when you can have a Windows laptop for that, or three Windows tablets of a similar size

The "brand" was something like Linc or similar. Who cares? It's in the "throwaway when it goes wrong" category, after the first year of warrantied use. She's had it now for over 2 and still uses it every day.

Comment Re:Much cheaper than the iPhone (Score 3, Interesting) 103

It amazes me that the iPad is so damn expensive in the first place, given what it is.

That they bolt on about 50% profit for the phone model is chickenfeed in comparison.

Honestly, I bought a GBP 5 Android tablet the other day. Technically it beat most of the iPad Mini specs that are its closest rival. Sure, you can argue "screen resolution" but why would you on such a tiny device to start with?

Comment Re:use-after-free bugs in Microsoft Edge (Score 1) 82

My point was, If you're working on something like Edge you should know a lot more than a developer that smashes a couple wizard forms together and some of the Edge guys probably did not, Just listed some of the usual things that go wrong to show how deep you have to think sometimes.
Has nothing to do with me being good or bad or bragging about it. I don't even own a single device with any microsoft products on it, so I don't really care.

Comment Is this fake news? (Score 1) 269

Concur.

Bitcoin as a financial system is made impractical in the long term by the fact that it is limited in the total number that can be issued. After the last one is issued, the intent is for the value of them to simply go up.

A Bitcoin is the solution to a hashing problem for which the ease in calculating a solution goes up with the size of the search space. In a very large search space it's easy to generate a solution, but as the search space becomes smaller you have to spend more time hunting around for a correct solution.

As more solutions are found, the people behind bitcoin validate that 'coin and then shorten the length in bits needed for a valid solution. They have a fixed number in mind that they want to base the currency on, and as the number of solutions found approach that number, they have been shortening the length so that they will eventually have exactly the number they want, and finding new solutions will take an astronomically long time.

There's nothing preventing them from increasing the valid length of solutions and letting people find more. They have explained countless times that this is how they can have actual inflation in their currency.

Countless times of explaining this to the public, and yet people continue to repeat bullshit they've heard "somewhere on the internet" that matches their woldview.

It's no wonder they're having trouble - they're concentrating on their project, but losing the war against propaganda.

Slashdot Top Deals

Talent does what it can. Genius does what it must. You do what you get paid to do.

Working...