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Comment: Attention Slashdot Editors (Score 4, Insightful) 35

by rabtech (#48039859) Attached to: iOS Trojan Targets Hong Kong Protestors

Is this a story about iOS malware? Then you should require the answer to this question:


The only *interesting* iOS malware story is one that does not require jailbreak. I'm not aware of any; there may be some that use known or unknown exploits, but in this case the malware requires the user to have a jailbroken phone. That's not news or "stuff that matters".

Slashdot Readers

Comment: Re:good (Score 1) 408

by jeremyp (#48026059) Attached to: Google To Require As Many As 20 of Its Apps Preinstalled On Android Devices

Well Kitkat is apparently making good inroads as it went from 13.6% in June to 24.5% [] in early September

iOS 8 was at 46 percent after four days. Obviously, since Apple control all the hardware, it's much easier for them to get people to upgrade, but it's still a big problem for the Android ecosystem. Presumably, app developers are having to support fairly ancient versions of the operating system in order to reach a sizeable proportion of the market, whereas an iOS developer can reach 95% of the installed base with an iOS7+ app.

Comment: Re:Swift is MIA in TFA (Score 1) 69

by jeremyp (#48025915) Attached to: Building Apps In Swift With Storyboards

It's actually the second article in a series. The first article looks like it had some Swift in it.

No doubt there will be a new Slashdot story for each subsequent article. Because Swift.

Development novices who were hoping that Apple had created a way to build complex apps with a limited amount of actual coding might have to spend a bit more time learning the basics before embarking on the big project of their dreams.

Is anybody at all surprised except, maybe, said novices?

Comment: Re:~/.cshrc (Score 1) 208

by jeremyp (#48018279) Attached to: Apple Yet To Push Patch For "Shellshock" Bug

You're probably not running a bash that isn't vulnerable. Neither of the first two patches completely fixed the issue. Personally, I don't think it'll be completely fixed until somebody patches bash to not interpret any of its environment variables as functions.

Which it should never have done in the first place.

Comment: Re:C=128 (Score 1) 165

by jeremyp (#48013401) Attached to: Why the Z-80's Data Pins Are Scrambled

In later models, i.e. well after the 6502 was obsolete for general purpose computers, there was an 8 register that you could set to change which page was regarded as zero page. If that had been available from the start, it would have saved me a lot of time looking for locations that didn't zap the MS Basic interpreter on our Commodore PET. I seem to remember that the floating point accumulators were considered the best bet.

Comment: Re:6502 to Z80 work per clock ratio (Score 1) 165

by jeremyp (#48013389) Attached to: Why the Z-80's Data Pins Are Scrambled

The 6502 had special addressing modes for accessing the bottom 256 bytes of memory. Addresses in both the 6502 and Z80 were 16 bit, thus taking two read cycles to get a whole address into the CPU so that you could then get the content at the address. However, with the 6502, "zero page" addresses could be read in one read cycle. Not only that, but pairs of zero page locations could be used for indirect addressing. They could be treated as a set of (slow) address registers.

When I first came actress the Z80 after having programmed the 6502 for a while (as a hobbyist), I was quite shocked at how all over the place its design appeared to be and I actually found it a little harder to program at first because there was more to learn in order to use the CPU effectively.

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