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Ask Slashdot: Can You Say Something Nice About Systemd?

suy Re:What system d really is (928 comments)

Odd that of all possible choices, systemd developers chose almost always a way that is exactly the same or very similar to what Debian does. For example, I don't see stuff like /etc/sysconfig, while I do see things like /etc/hostname etc.

Everybody else has /etc/hostname too, sorry to pop your fanspiracy.

Let me quote from the biggest myths:

Now, as it turns out, more frequently than not we actually adopted schemes that where Debianisms, rather than Fedoraisms/Redhatisms as best supported scheme by systemd. For example, systems running systemd now generally store their hostname in /etc/hostname, something that used to be specific to Debian and now is used across distributions.

Maybe the example was too subtle, but for sure there are some things from /etc/sysconfig that are gone from Red Hat, and are substituted by Debian-style configuration.

about three weeks ago
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Ask Slashdot: Can You Say Something Nice About Systemd?

suy Re:What system d really is (928 comments)

Most distros are focusing on system d because they simply do not have the resources to do anything else. This is the sad reality. The Red Hat-isation of the linux world. It's either the Red Hat way or the highway. And most distros obviously are not chosing the highway.

Odd that of all possible choices, systemd developers chose almost always a way that is exactly the same or very similar to what Debian does. For example, I don't see stuff like /etc/sysconfig, while I do see things like /etc/hostname etc.

about three weeks ago
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Ask Slashdot: Why Can't Google Block Spam In Gmail?

suy Re:Article is stupid (265 comments)

Google does an excellent job of catching spam. The submitter's problem isn't that, it's that he's got other numpties giving out his email address and then he's not using the Google-supplied tool (that little "mark as spam" button) to mark unwanted email so that Gmail learns his preferences. Instead, he's Dunning-Krugered together his own solution that barely works.

Submitter's problem is PEBKAC.

Sorry, but I completely agree with the story explained. My previous employer gave me an email address managed by Google Apps. I subscribed and posted to about 3-4 different open source project mailing lists. Obviously that's enough to make your address well known to spammers.

The amount of email in the spam folder was surprisingly high, given that my very personal email address, which has appeared during a decade (not just two years) on online archives of about 20 times more lists, receives a little bit less. But that's not bad. What I found insulting is that they had plenty of false positives. That's the worse kind of error in email filtering: you check your inbox more often, and is not a big deal deleting one additional email a day. But I found email threads of those mailing lists broken when because parts of a thread (just parts of a freaking mailing list thread!) were marked as spam, and was autoexpired (yes, I don't need to check all mailing lists that often). It also marked as spam one reply to an email I sent. A shame.

And yes, I used the "this is not spam" feature, but I got bored. The best I could do was reviewing all the filters to completely skip the spam filtering, which is stupid anyway in many mailing lists that require a legitimate address to subscribe, which yields a very low spam rate (besides the "join me in my linkedin network" that some stupid sent to the whole address book).

about a month ago
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C++14 Is Set In Stone

suy Re:Oh god so what? (193 comments)

You were implying that using a subset of C++ features is not practical because you could "write C++ that is not guaranteed to be maintainable by anybody short of a complete master", which is absurd, because only a complete master could write that kind of unmaintainable code. Well, according to your logic and your subjectivity, there are only a small amount of people capable of that feat. And the fact that there are lots of C++ programs and libraries out there that are maintainable proves it.

about 3 months ago
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C++14 Is Set In Stone

suy Re:Oh god so what? (193 comments)

Err, the implication is that you can also write C++ that is not guaranteed to be maintainable by anybody short of a complete master, which even Bjarne says he is not. I think it is fair to estimate that the number of complete C++ masters in the world is in the single to double digits; no more. It may be you can identify another programming language for which that holds true. I don't think I can.

You can not even identify one without resorting to factual mistakes. I'm running every day lots of programs written in C++. A simple search on a linux distro reveal thousands of packages in C++. Is that maintained by those "single to double digits" amount of people in the world? Sure.

about 3 months ago
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Interviews: Ask Bjarne Stroustrup About Programming and C++

suy Re:How do you feel about the haters? (427 comments)

Well, he has given that answer several times. On his FAQ, he says:

"There are only two kinds of languages: the ones people complain about and the ones nobody uses". Yes. Again, I very much doubt that the sentiment is original. Of course, all "there are only two" quotes have to be taken with a grain of salt.

about 3 months ago
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Interviews: Ask Bjarne Stroustrup About Programming and C++

suy Re:Is the complexity of C++ a practical joke? (427 comments)

Any practical example to back it up? Probably there are some cases of that, but the contrary is IMHO more common. One of the most popular C++ library out there, Qt, doesn't make you learn exceptions, and templates are only used for containers, so you rarely see one of those scary compilation errors.

That means that in practice, you see large C++ codebases that are very easy to grasp. At my current workplace, all C++ developers barely understand C++ outside the C subset, and projects work fine from the customer perspective. Do they understand that each time they pass a value to a function they are copying it, and that it can be costly? No, but luckily they are doing that with QByteArray, which is implicitly shared. They don't have to understand the feature. Besides me they don't even know it exists, but it works, and saves the day.

about 3 months ago
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Plan 9 From Bell Labs Operating System Now Available Under GPLv2

suy Re:I find it interesting (223 comments)

I like the idea how everything is a file etc. That is one reason why I originally became Linux user and now it feels Linux systems have become something totally different by new third/fourth generation "geeks" who don't care anymore about open file system and results are like systemd journalctl.

Funny that you mention that, because systemd exposes lots of features through cgroups and a nice filesystem on /sys. And to use systemd's journal's files, the documentaion already explains that you just open the files, memory map them, and use inotify, a classic notification API on files...

about 9 months ago
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Cairo 2D Graphics May Become Part of ISO C++

suy Re:standard c++ (430 comments)

Is there anything it cannot do?

Garbage collection.

C++ does no garbage collection because C++ developers learn how not to produce garbage in the first place. Use proper mutex lockers, smart pointers or file handles, and you won't leak memory, won't miss freeing locks or file descriptors.

And is not that you need to be a genius to make use of them. Just use, for example, a QFile, or QMutexLocker, and at the end of the scope the resource is freed. Done.

about a year ago
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Asm.js Gets Faster

suy Re:"So who needs native code now?" (289 comments)

Umm, anyone who wants their code to not run substantially slower. Seriously, do you front end programmers really think nobody does numerical simulations or other performance-sensitive work? In my line of work, I'd kill for the opportunity to make my code 1.5 times faster!

I'm surprised by your answer at so many levels. First, I thought the guys doing scientific calculations were scientists that many times (not always of course) are only used to Matlab, Mathematica or even Excel. Second, obviously we will need native code, as well as interpreted, functional, and lots of code in domain specific areas (what the heck... I spent this Sunday morning writing in VimL, a language so stupid that can't copy a file without reading the whole contents in memory or invoking system(), but I needed to program in that and there is no way around it).

But the final sentence of the article isn't targeted at people doing heavy lifting. Is an "attack" at Google's Native Client (NaCl). I peeked at NaCl, and you needed a some set up and some APIs to run some native code invoked from the browser. ASM.js is way simpler, since is just a subset of JavaScript, and has much more possibilities of being followed by vendors like Opera or even Microsoft.

Oh, and, I do native code for a living, and while I would kill for making my code faster, my manager would kill for making me finish projects earlier. :-) Native code is awesome, but sometimes dumb languages are more business successful if you can use all your developers in a project, including that 50% that, by definition, are below the average.

about a year ago
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Kdenlive Developer Jean-Baptiste Mardelle Has Been Found

suy Re:Classic... (85 comments)

Heavily refactoring projects of this size rarely brings any benefit for the users, it's just technical masturbation. (...)

Some open source projects would benefit from proper managers who can stop them from shooting themselves in the foot.

You are missing an important point: many people that work on a software project in their spare time do it to have fun. I work as a programmer for a living, and at work I do what my employer wants me to do. I might not like the way I have to do things at work, but I do as my manager says.

If I work on a hobby project to have fun, I want to do things the way that make me happy. It might be the case that you are happy making a killer product that has tons of users, even if the internals are crap. Or it might be the case that you are only happy with something that has a nice architecture and uses bleeding edge technologies, even if that makes the product unstable an unpopular.

I don't know what is the state of Kdenlive and the opinion of Jean-Baptiste Mardelle, but I hope you know better if you make such assumptions about other's projects.

about a year ago
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Sailfish Can Officially Be Installed To Android Devices

suy Re:Interesting. (118 comments)

Yes, I saw that earlier this morning, but I wonder how legal is that, and how easily you can be blocked by Google. I doubt is a solution for a vendor.

about a year ago
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Sailfish Can Officially Be Installed To Android Devices

suy Re:Interesting. (118 comments)

As I understand it, that is not going to happen if you want Google's bless (i.e. their applications and Google Play Services, which are critical for some applications to work). Read Google’s iron grip on Android, especially page 3.

Since the Kindle OS counts as an incompatible version of Android, no major OEM is allowed to produce the Kindle Fire for Amazon. So when Amazon goes shopping for a manufacturer for its next tablet, it has to immediately cross Acer, Asus, Dell, Foxconn, Fujitsu, HTC, Huawei, Kyocera, Lenovo, LG, Motorola, NEC, Samsung, Sharp, Sony, Toshiba, and ZTE off the list. Currently, Amazon contracts Kindle manufacturing out to Quanta Computer, a company primarily known for making laptops. Amazon probably doesn't have many other choices.

Seems like a terrible move against market freedom. Even worse for consumer freedom.

about a year ago
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WxWidgets 3.0: First Major Release in Several Years

suy Re:A suggestion... (147 comments)

OK, I give up. The fact that you still think that using a string as a vector of bytes is comparable with a class that is capable of understanding the text it stores, with some encoding conversion capabilities, and more, should be a clear enough indication that we don't have the same expectations on what is a class for human text. And the fact that you still try to put words in my mouth signals that it isn't worth wasting time with you.

Luckily enough that people admit that you should use a Unicode library, because even C++11 supports Unicode terribly, and there is work underway to improve it. Meanwhile, I'm happy to have QString. And I'll be happier if with Qt6 there is a type that can replace it.

1 year,2 days
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WxWidgets 3.0: First Major Release in Several Years

suy Re:A suggestion... (147 comments)

Read again the thread. You said that MOC is a precompiler (wrong, is a code generator), and that it transforms the input text in ways impossible with C macros (even more wrong).

I said "Is the classic C preprocessor" in response to "these keywords are pre-processed by a special compilation step into C++ code" which is absolutely right.

And you still fail to explain how you can use std::string for text instead of for low level manipulation of the string bytes.

1 year,3 days
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WxWidgets 3.0: First Major Release in Several Years

suy Re:A suggestion... (147 comments)

Qt uses the moc precompiler, which is *not* c macros. It does transformations to the input text that is impossible with C macros.

Next time you write about something, use it first, please. MOC is not a precompiler nor "transforms" input text. It generates code. Like a bazillion other tools that generate perfectly standard C++ code.

Only for fools who thought you need 16-bit code units to store a larger character set, rather than a variable-length encoding.

Execellent. That's why everyone is using std::string in i18n-ed text, and why C++11 didn't introduce new string types.

But yes, call people stupid as long as you want. Now you are probably right.

1 year,5 days
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WxWidgets 3.0: First Major Release in Several Years

suy Re:A suggestion... (147 comments)

My C++ compiler does not compile signal: or slot: tokens. Qt is not C++ in the same way as Microsoft COM is not C++, even though its mostly built with C++ and MIDL generator spits out C++ boilerplate as an option.

My C++ compiler doesn't compile "#include" either. Because it doesn't have to. You need to run the file through a preprocessor. That's part of the standard, and is unavoidable at this time.

If don't like the use of the C preprocessor, fine. But don't lie saying that is not "standard". It might not be the part of the standard that you like the most, but is standard. And using a tool for generating code is perfectly normal. Or is protobuf no longer a "standard C++" tool?

There is a proof of concept clang plugin that would provide the QObject features without MOC. That doesn't make it better in all use cases, since that would be tied to a compiler.

No, seriosly, one might not like one solution to a problem. But having no solution is worse. If one day there is a better solution, the Qt project will adopt it. But right now there isn't one that fills all the features provided by Qt with the current implementation.

1 year,11 days
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WxWidgets 3.0: First Major Release in Several Years

suy Re:A suggestion... (147 comments)

You've made me ruin my moderation in this thread, but I can't let such wrong statements unreplied.

The fact that these keywords are pre-processed by a special compilation step into C++ code does not make the code you actually edit standard C++.

Wrong. Is not a special compilation step. Is the classic C preprocessor, which is as standard C++ as any other feature of the language. Does this mean that udev is not standard C because it defines a foreach with a macro?

Also, Qt has its own notions of strings and files and threads and what-have-you. Once Qt is in your code, you ain't getting it out.

Qt has its own notion of string, because till C++11 there was no string type that allowed Unicode. Likewise for threads. Besides, QThread has features to integrate with an event loop, notion that the standard library doesn't have.

How the hell were programs written with WxWidgets using threads? Relying on Windows POSIX capabilities? Seriously.

And don't even try again the "but Qt duplicates all the containers". Qt's containers use a very different implementation (e.g. with implicit sharing), and so have pros and cons against STL containers. And Qt's containers have compatibility APIs with the STL ones as well. And you are not forced to use them at all. If some part of the API exposes a Qt container, you can convert to and from STL, since such functions are provided.

The C++ standard library is now much better than it used to be, but Qt started in an age where the STL wasn't even an acceptable option in all the environments where it had to run.

Once Qt is in your code, you ain't getting it out.

Certainly not. People is migrating from VxWidgets (e.g. VLC) to Qt, and not the other way around. Why it might be? Maybe is because is such a good application framework that is convenient to use, even for non-graphical applications.

1 year,11 days
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Stephen Elop Would Pull a Nokia On Microsoft

suy Re:Symbian, really? (292 comments)

The problem wasn't if Nokia should have killed Symbian, the problem is how.

They told the world all their flagship products sucked, and they would replace them... eventually. They were only ready to deliver a first device almost a year after, and they killed Symbian for good much time afterwards. They should have lied, and tell that they were only adding Windows Phone to their portfolio, and then time will tell.

Or better: they should have done an embrace and extend to the whole Android ecosystem. Elop was selling that this was a "war of ecosystems", so Nokia should have said "The operating sytem is irrelevant. Just use Qt to target Symbian, MeeGo, Android, and next year iOS".

They could have taken several paths, and they took the worst, in the worst possible way.

1 year,15 days

Submissions

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Measuring Openness Open Source Projects

suy suy writes  |  more than 3 years ago

suy writes "Several open source projects exist under a variety of licenses, and we qualify them as free/open source depending on the license under which the final product is released. But there are other considerations, like the existence of a public roadmap, participation in the decision making, or access to the latest source code to make contributions. Vision Mobile has published a report that compares and measures the openness of several open source projects: Android, Eclipse, Linux, MeeGo, Mozilla, Qt, Symbian (till the existence of the Foundation) and WebKit. Eclipse and Linux scored the highest and Android the lowest."
Link to Original Source

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