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 · Как правильно прорастить пшеницу В статье о пользе зародышей пшеницы, мы обещали вам рассказать о том, как правильно прорастить пшеницу. Something that I’ve been noticing on numerous social media and discussion forum sites is that whenever Firefox comes up, inevitably there are comments in those threads about Firefox performance. This article is not specific to any particular program. If you have reached this page by following a link from the website for a particular program, DO NOT send bug reports for that program to me. Как правильно упаковать отслужившую свое елку Интересно, не замели ли автора идеи? Tags: #НовыйГод. kekazhp.вайнера60.рф is tracked by us since October, Over the time it has been ranked as high as 7 in the world. It was hosted by Shared hosting, Marosnet enterprise network and others.

Ideally I would like everybody in the world to read this essay before reporting any bugs to anybody.

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Certainly I would like everybody who reports bugs to me to have read it. In a nutshell, the aim of a bug report is to enable the programmer to see the program failing in front of them. You can either show them in person, or give them careful and detailed instructions on how to make it fail.

If they can make it fail, they will try to gather extra information until they know the cause. In bug reports, try to make very clear what are actual facts "I was at the computer and this happened" and what are speculations "I think the problem might be this". When you report a bug, you are doing so because you want the bug fixed. There is no point in swearing at the programmer or being deliberately unhelpful: it may be their fault and your problem, and you might be right to be angry with them, but the bug will get fixed faster if you help them by supplying all the information they need.

Remember also that if the program is free, then the author is providing it out of kindness, so if too many people are rude to them then they may stop feeling kind. Therefore, either you are doing something differently from them, or your environment is different from theirs.

They need information; providing this information is the purpose of a bug report. More information is almost always better than less. Many programs, particularly free ones, publish their list of known bugs. This essay is full of guidelines. None of them is an absolute rule. Particular programmers have particular ways they like bugs to be reported.

If the program comes with its own set of bug-reporting guidelines, read them. If the guidelines that come with the program contradict the guidelines in this essay, follow the ones that come with the program! If you are not reporting a bug but just asking for help using the program, you should state where you have already looked for the answer to your question.

Car history by frame#

One of the very best ways you can report a bug is by showing it to the programmer. Stand them in front of your computer, fire up their software, and demonstrate the thing that goes wrong. Let them watch you start the machine, watch you run the software, watch how you interact with the software, and watch what the software does in response to your inputs. They know that software like the back of their hand. They know which parts they trust, and they know which parts are likely to have faults.

They know intuitively what to watch for. By the time the software does something obviously wrong, they may well have already noticed something subtly wrong earlier which might give them a clue.

They can observe everything the computer does during the test run, and they can pick out the important bits for themselves. This may not be enough.

They may decide they need more information, and ask you to show them the same thing again. They may ask you to talk them through the procedure, so that they can reproduce the bug for themselves as many times as they want. They might try varying the procedure a few times, to see whether the problem occurs in only one case or in a family of related cases. But the most important thing is to have the programmer looking at the computer when it goes wrong. Once they can see the problem happening, they can usually take it from there and start trying to fix it.

This is the era of the Internet. This is the era of worldwide communication. This is the era in which I can send my software to somebody in Russia at the touch of a button, and he can send me comments about it just as easily. You want the programmer to run their own copy of the program, do the same things to it, and make it fail in the same way.

How Mozilla Finds Problems

When they can see the problem happening in front of their eyes, then they can deal with it. So tell them exactly what you did. Wherever possible, you should provide a verbatim transcript of the session, showing what commands you typed and what the computer output in response. Give the programmer all the input you can think of. If the program reads from a file, you will probably need to send a copy of the file.

So also describe what happened. Tell them exactly what you saw. Tell them why you think what you saw is wrong; better still, tell them exactly what you expected to see. If you say "and then it went wrong", you have left out some very important information. If you saw error messages then tell the programmer, carefully and precisely, what they were. They are important! In particular, if the error message has numbers in it, do let the programmer have those numbers.

Numbers contain all kinds of information that can be read by programmers, and they are likely to contain vital clues. Numbers in error messages are there because the computer is too confused to report the error in words, but is doing the best it can to get the important information to you somehow.

At this stage, the programmer is effectively doing detective work. Error messages, incomprehensible strings of numbers, and even unexplained delays are all just as important as fingerprints at the scene of a crime. Keep them! If you are using Unix, the program may have produced a core dump. Also, be aware that the core file contains a record of the complete state of the program: any "secrets" involved maybe the program was handling a personal message, or dealing with confidential data may be contained in the core file.


There are a lot of things you might do when an error or bug comes up. Many of them make the problem worse. A friend of mine at school deleted all her Word documents by mistake, and before calling in any expert help, she tried reinstalling Word, and then she tried running Defrag.

Neither of these helped recover her files, and between them they scrambled her disk to the extent that no Undelete program in the world would have been able to recover anything. Users like this are like a mongoose backed into a corner: with its back to the wall and seeing certain death staring it in the face, it attacks frantically, because doing something has to be better than doing nothing.

This is not well adapted to the type of problems computers produce. Instead of being a mongoose, be an antelope.

When an antelope is confronted with something unexpected or frightening, it freezes. It stays absolutely still and tries not to attract any attention, while it stops and thinks and works out the best thing to do.

If antelopes had a technical support line, it would be telephoning it at this point. Then, once it has decided what the safest thing to do is, it does it.

My adventures as a member of Mozilla’s Content Isolation Team

When something goes wrong, immediately stop doing anything. Look at the screen and notice everything out of the ordinary, and remember it or write it down. Then perhaps start cautiously pressing "OK" or "Cancel", whichever seems safest. Try to develop a reflex reaction - if a computer does anything unexpected, freeze. If you manage to get out of the problem, whether by closing down the affected program or by rebooting the computer, a good thing to do is to try to make it happen again.

Programmers like problems that they can reproduce more than once. Happy programmers fix bugs faster and more efficiently. I worked with another programmer once, who kept finding bugs in his own code and trying to fix them. He would reply by telling me his current opinion of what needed to be fixed.

How to Report Bugs Effectively

This worked fine when his current opinion was right. It was efficient and useful. But quite often he was wrong. Otherwise the doctor dismisses you as a hypochondriac or crackpot, and quite rightly so. Providing your own diagnosis might be helpful sometimes, but always state the symptoms.

Diffusion of Responsibility

The diagnosis is an optional extra, and not an alternative to giving the symptoms. Equally, sending a modification to the code to fix the problem is a useful addition to a bug report but not an adequate substitute for one. The reason I asked him to try it was that I wanted to know which of two different error messages it would give.

Knowing which error message came back would give a vital clue. It took me some time to persuade him to try it for real. Using your intelligence to help the programmer is fine.

Even if your deductions are wrong, the programmer should be grateful that you at least tried to make their life easier. But report the symptoms as well, or you may well make their life much more difficult instead.

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  • Say "intermittent fault" to any programmer and watch their face fall. The easy problems are the ones where performing a simple sequence of actions will cause the failure to occur. The programmer can then repeat those actions under closely observed test conditions and watch what happens in great detail. Most intermittent faults are not truly intermittent.

    Most of them have some logic somewhere. Some might occur when the machine is running out of memory, some might occur when another program tries to modify a critical file at the wrong moment, and some might occur only in the first half of every hour!

    I had a program once whose window curled up into a little ball in the top left corner of the screen, and sat there and sulked. But it only did it on x screens; it was fine on my x monitor. The programmer will want to know anything you can find out about the problem.

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    Try it on another machine, perhaps.

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