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I'm using pyperplan in my project, however I'm very limited in choice of planning domains, as pyperplan does not support PDDL v2
Do you know of any pyperplan fork, that has this functionality? Basic +1 action costs should be enough, they are my only problem right now.
Eventually, do you know of any pyperplan-ish alternative that would support more modern versions of PDDL?
I'm planning to implement the functionality on my own, I ran through the code, and it shouldn't be THAT hard, it looks pretty set up for that.
I went through all forks listed on github, but none of them has this feature. I've also tried looking up such clone myself, or looking up any related articles, but nothing of value showed up.
I will be really grateful for any tips!
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Just want to ask for some opinions here. How do you feel about using a language (and/or framework) that isn't widely used in your location to write software for a company? For instance, I live in an area dominated by .NET, with the occasional PHP job. Let's say that I'm learning Python and decide to use it to write software for my job (I'm a "Team of One" so I can pretty much use anything I want).
Now their software is written in a language that pretty much nobody in the area uses or knows; if I were to leave the company, they'd basically have nobody to maintain/add to it unless they retain on me as a consultant. While that's really good for me, it seems a bit "crooked" - granted, that's how the business world works.
What are your thoughts?
I should mention that this is a very small company and I'm the only IT person, so I have full reign to choose our development platform. I'm not specifically using Python, but chose it as an example since my area is almost entirely .NET based; I don't care for .NET anymore though, which is why I don't want to consider using it. Also, the company is.. how shall we say... extremely frugal and wouldn't purchase the required resources for .NET (e.g. server licenses, SQL licenses, Visual Studio, components). I personally have an MSDN subscription but I can't use that for them.
Also FWIW there are people in the area who use the language I'm considering using (Ruby on Rails), but nowhere near as many people as .NET developers. It's not like I'm using something that only I know.
You may think that this approach is good for you. But in fact all this does is paint you in to a corner. The best way to get promotion - within an organisation is to make yourself unnecessary in your current position. That might seem like nonsense, but it is in fact true. Think of it like this, if it is essential to the company that you continue to maintain the python code you wrote for them, and they can't go to anyone else to get that skill, then they will continue to pay (maybe a little above market rates) to maintain that code.
If however, you write that code in .net where there is a plentiful supply in your area, then as the company expands and the code you've written proves successful, you will be able to hire people to maintain that code and you can move on to designing other systems. Or moving in to managing a team of .net coders - if that's your want.
Even if you want to leave, the best thing for your career is going to be to get the best possible reference. To do that, write them some code that is easy to maintain. Help them hire someone to replace you to maintain it. They will be grateful and recommend you as a consultant to their friends.
Code in something esoteric - for which there is little support in your area - and they will be saying to their friends on the golf course "no don't hire that guy, he wrote this system for us which does the job, but no one else can maintain it. We're stuck with him forever and now he's too busy to look after us properly!"
Do what's best for the business, not what might be of most interest to you - or appear that way on the face of it. You'll win out in the long run.
I think that you're responsible to decide on the language that's best suited for the job. That includes an objective evaluation of the merits of the language and framework, it includes your own personal skill with the language (since you're the one doing the work) and it includes maintainability by others. Only you and your company can decide how much importance to place on each of those.
For your own personal development, if your area is dominated by .net, why don't you want to get up to speed in that instead of Python?
From an ethical standpoint, I would not write something that could not easily be maintained by someone else.
A lot of responses seem to be a poor fit for the question. We're not talking about using an unapproved language in an environment with existing standards. We're talking about a situation where the poster is the entire IT and development department for his company.
It's certainly important to keep in mind availability of talent, but Ruby is hardly a fringe language these days. In an environment where there's only one developer, productivity is also a very important consideration. Being able to build and maintain software quickly and easily without a large team requires tools with different characteristics than a large team might require.
I think what's more important than whether to use Ruby or (something else) is to try to pick something as general-purpose as practical and use it for everything unless there's a really good reason to use something else. If you go with Ruby, stick with Ruby for your utility scripts, cron jobs and that little GUI app the boss wanted to automatically SMS the intern when he takes more than five minutes to bring him his coffee.
I think using python would be the right thing to do if it would meet the clients requirements, and save them money over the alternative. Whether or not there is a wide assortment of characters to work on the application down the road is irrelevant, unless they've specified this as a non-functional requirement.
As usual, using the best tool for the job at hand will serve you well.
It indeed is a bit crooked IF you use it only for that purpose.
However, if you use it because it IS the best solution, youre in the clear.
Also, they can just hire someone else who knows python.
My work ethics dont allow me to do something like this just to keep me in business.
My personal opinion is you should try where possible to respect the working practices of wherever you are - whether that's indentation style, naming convention, testing procedure or programming language.
If you feel strongly that a different language would be better suited for a certain task, then lobby to have it accepted (with the required re-training of others).
Purposefully leaving an app that no one else can maintain is very bad professional conduct, IMO.
We recently had a bad hire at my shop and he decided out of the blue he was going to use Perl instead of any version of .NET to do some simple reporting stuff (That could have just as easily been done in .NET). It was atrocious. I would suggest using the platform as specified and clearing any deviation with the people who run the joint...
Plenty of answers have touched on this, but here's my take based on production application support.
My company had a startup phase where code hustlers whipped up solutions in whatever the personal preference or flavor of the week was. Bad for maintainability and supportability.
Making a change is ok, though, as long as it's consistent. If Python is going to pave the way to the future, then go for it. Don't forget that the legacy .NET and PHP code still needs to be supported until end of life. Building yourself a hodge podge of platforms and frameworks will just create more difficulty for you on the job and the company when you're no longer around.
If you feel in your heart you are acting dishonestly, then you probably are.
No one likes a dishonest person. That can't be good for your reputation.
Do your best to choose based on what is actually best, not what satisfies some underhanded motives.
It depends. I did some of what would normally just be a bash script, in Java instead at one place. Why? Because they're all Java programmers and frequently have interns/coops coming through that may or may not know anything else (and may or may not even be all that great with Java).
Other places though tend to have more experienced programmers and I expect that they'll be able to figure out another language without too much effort. So, I would go with what's "best" for the project.
I agree with what mquander says above, but you may also have to be prepared to justify why you want to use this other language to your development manager. If he/she then agrees, perhaps the language could become more widely adopted within the company.
Think of it in terms of business benefit you bring to the company, now and in the mid-term.
If you can deliver something much faster using a different technology, and it still achieves the goals, I'd go for it - but I'd still let some other people know and respect the company's final decision. If however, it's purely for yourself, then I'd probably be a litte more careful.
I think it's a really bad idea. For you, it means there's no back up in case you want to have a day (or week) off. For them, there's no one else if you leave or are taking a day off. It's a well known ploy, and, honestly, might be reason to not keep you around.
However, this could also be a chance to introduce Python into the environment. You could teach others about it, and explain to management while it's a good third language to have at the group's disposal.
I used to think that you should always pick the right language for the job at work. I'm reversing my opinion though.
The problem arises when some other guy picks a language you don't want to learn. I am concerned that I might be the guy who picks the language no one else wants to learn. Just because I think that Erlang might be the right choice for something doesn't mean that everyone else will want to learn Erlang or respect my decision for using Erlang.
"if I were to leave the company, they'd basically have nobody to maintain/add to it unless they retain on me as a consultant."
Are you saying no one else can learn Python? I find that hard to believe.
New technology is often introduced in small projects by knowledgeable people and diffused through the organization because the small projects were successful.
Use Python. Be successful. Make your case based on your successes.
I had this same problem very often. Coincidentally, it was with those two languages you mention: .NET forced on me, when I preferred to use Python (among others). Could be the opposite, I don't judge.
I refrained to use Python, because of the reasons already mentioned in other answers. I did what I thought was best for the company. Using IronPython won't make your python code any more maintainable for an unexperienced Python programmer.
However, I left the company and now I work in something more in line with my tastes. I'm much happier. In this economy you may not have this option... but it will pass. Do the right thing.
Cheers.
There is a large difference between 'prototype' or 'one-shot' code and production code. For prototyping I use whatever works fastest, but I'm very clear about its status. Production code is written in one of the approved and supported environments.
The ethics is to use the best tool for the job. If there is a tool that takes you only 20% of the time to code vs other choices, and next to no maintenance, and easy to re-factor, you have a duty to pick that tool, assuming it's extensible as you may need in the business.
If you do a good job, hiring future people and training them in terms of HOW your workplace does business should be the practice of any growing business. They will be able to learn the code if they're the right person for the business.
In your case I'm not sure if you want to use Python, unless it has native .NET support to allow your .NET world to interact with it.
Other posters have made some good points, but here's one I've not seen: Communicate the situation to management and let them decide. In other words, talk with your boss and tell him or her that there currently are more .NET developers in your area, so that if you're hit by a bus tomorrow it would easier to find someone else to maintain your code; however, there are tools you need to do your job more efficiently and they cost money (and tell them how much). Alternatively, you could do this in Python or RoR (or whatever) and use free tools, but from what you know, there aren't currently that many people in the area who know those languages. I've used "currently" a couple times here because this may change over time.
Before having this conversation, it might be good to see if you can find user groups for the alternative technology in your area, and how large they are. You could also ask on listserves if there are people who know the alternatives in your area.
Of course, the boss may tell you to keep using .NET without any tools, but in that case it's their decision to shoot themselves in the foot. (And yours to decide if you want to find a new job.)
Regarding the question as asked, I see nothing unethical about it, provided that:
It is a freely-available language. Although I am something of a FOSS partisan, that's not the point of this criterion. It needs to be freely-available (not necessarily FOSS) so that it doesn't impose costs on the company and so that others will have the opportunity to learn it if you ever need to be replaced (or if they want to compete with you for your job).
You are changing languages for solid reasons and not for the sake of creating vendor lock-in (or, if you prefer to think of it as such, "job security"). Ethics aside, you really don't want to have a job where they hate you, but are stuck with you because you're the only one who can maintain the mess you've created anyhow.
In the particular case you've described, I would suggest that switching to RoR may be the more ethical choice, as it would be decidedly unethical (not to mention illegal) to use .NET if there are required resources which are for-pay only and your employer is too cheap frugal to purchase proper licenses for them.
When in Rome... do as the Romans.
You might not be the one who as to maintain this code in the long term and not everyone wants to learn a "fringe language" to make bugfixes or enhancements.
I migrated some VBA stuff over to Perl for processing at a previous job and increased the efficiency by several orders of magnitude, but ultimately no-one else there was willing to learn Perl so I got stuck with that task longer than I wanted it.
I did that, it was Delphi in my case. I think Delphi was used often however when i was looking for a job .... i saw 3 delphi job offers in my whole life. i also saw more java/j2ee/php offers that i can remember. i think its bad idea, with the time i wasted in learning advance delphi programming i could get better with j2ee and start in better company and maybe make now more money.
If they cant find somebody to maintain the app you will always do it and when you quit they will have to re-write it. i think consultant thing is not used often.
I used to be in the "use the best tool for the job" school, but I've changed my mind. It's not enough to just ask "how can I do this job the fastest." If you think you're the only one who will ever need to look at some code, there's a good chance you're mistaken. The total cost of introducing a new language into an environment is higher than you might imagine at first.
If you just need to produce a result, not a program, then you can use whatever you want. Say you need a report or you need to munge some files. If the output is really all that matters, say it's something you could have chosen to do by hand, you can practice using any language you want.
With the release of the MVC Framework I too have been in a similar ethical delema. Use WebForms or switch over to MVC Framework for everything. The answer really is you have to do the right thing and use whatever the standard of the company is. If you deviate from the standard it creates a lot of problems for people.
Think how you would feel if you were dumped a project on VB6 when all you have been doing for years is .Net. So these are the two solutions I have come up with.
Use your fun languages for consulting contracts you do on the side. Make sure the client knows what you are doing and if they agree go for it.
Try and convince your current company to migrate over to this great new language you are working with.
If you follow these routes you will learn your language and not piss anyone off in the process.
Ruby on Rails is certainly not a fringe language. If the company is too cheap to pony up for the appropriate licensing for Microsoft's tools, then you would have no choice but to find an alternative. RoR certainly would be a reasonable choice and if helps move your career along as well, then it's win-win for both of you!
You can develop .NET adequately with free tools; cost is not a good reason to avoid that platform. Ruby on Rails is becoming reasonably mainstream for building data-driven internet websites. You haven't even told us if thats the sort of software you are building though.
There is really no way with the information that you have provided that anyone can give you a single correct answer.
If you are asking is it ethical to do your work in such a way that the company is dependent upon you, of course the answer is no. If you are asking is it ethical to develop in RoR then the answer is "we don't know" - but my opinion is that probably it would be fine if its the right tool for the job.
Don't underestimate the ability of someone else to support your work or replace you though - if you do your work reasonably well once the solution is in place any programmer worth their pay should be able to learn the platform well enough to maintain it. I've debugged, migrated and supported a few PHP applications for example without ever hardly learning the first thing about PHP. I'd be lost building a new PHP app from scratch and would never even try but its no problem to support one. I think the same would be true of the languages you mention as well - they've got the critical mass that means there is plenty of books and forums etc. Of course if its written badly enough in any language then it may be difficult to support regardless of anyone's skill in the language...
So much discussion for such a clear-cut situation...
It's not up to you, it's up to them. If they're not technical enough to make the call, as it seems, then you have to make it for them in good faith. Anything less is dishonest, and I'm fairly sure that's not in your job description ;)
You've muddied the waters with all the wandering about in the thickets of personal motivations. The answer to that one is that your personal motivations are irrelevant unless and until you've formulated the business case for the possible decisions. If you've done that and the answer still isn't clear-cut, then sure, choosing the answer you like the best is one of the nice things about being in a position to make technical decisions in the first place.
As far as the actual question goes, to my mind if the most technically apt choice is also one that very few people work with, one of two things is happening: a) It's a good choice, and the number of people working with it is going to be exploding over the next 18-24 months (e.g. Django), or b) There's something wrong with my analysis. Technologies may be on the fringe because people are slow to adopt them, but that's generally not why they stay on the fringe.
If you find yourself thinking "I can't choose technology X, that'll make it easier for them to replace me!" you're in the wrong line of work. In almost any enterprise that's not actually failing, the IT guy who makes himself easy to replace tends to move up to harder and more interesting and more lucrative work.
I would not bring a new language/framework/whatever into the place unless they understood that's what I was doing, and that if I left/was fired/was hit by a bus, they'd have to find/train someone to work with it.
I have some experience in a contractor pulling in things just because he felt like it. In some cases they were the best tool for the job (in other cases they were not), but in all cases they were not the best tool for the team that had to maintain the code. In my case the contractor was a serious jerk who didn't really give a darn about anyone else and I believe WAS trying to make himself harder to replace.
In your case, talk to your bosses. If they really don't want to spend the needed money on .NET framework tools/libs, then switching to something else may well BE the right thing to do for them, long term.
And, as someone who has spent his career walking into the middle projects that others have already started - thank you for thinking before you add a new tool to the mix.
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I have always been astonished by Wine. Sometimes I want to hack on it, fix little things and generally understand how it works. So, I download the Wine source code and right after that I feel overwhelmed. The codebase is huge and - unlike the Linux Kernel - there are almost no guides about the code.
What are the best-practices for understanding such a huge codebase?
With a complex code base the biggest mistake you can make is trying to be a computer. Get the computer to run the code, and use a debugger to help find out what is going on.
Figure out how to compile, install and run your own version of Wine from the existing source code.
Learn how debug (e.g. use gdb) on a running instance of your version of Wine.
Run Wine under the debugger and make cause it to demonstrate the undesired behaviour.
The fun part: find where the code execution path goes and start learning how it all goes together.
Yes, reading lots and lots of code will help, but the compiler/debugger/computer can run code a lot faster than you.
A professor once told us to compare such a situation with climbing a mountain. You might be listening to someone who did this and tells you what it's like to look out into the country. And you believe without hesitation that that's a spectacular sight.
However, you have to start climbing yourself for real understanding what the view from the top is like.
And it's not that important to climb all the way to the top. It might be perfectly suficient just to reach a fair height above ground level.
But don't ever be afraid of start climbing. The view is always worth any efforts.
This has always been a nice analogy for me. I know this question was more about specific tips on how to efficiently deal with code bases once you started climbing. But nevertheless it instantly reminded me of our physics classes way back then.
(This is an answer I posted to a question a while back. I modified it a bit to fit this question.)
Experience has shown me that there are 3 major goals you have when learning a legacy system:
Learn what the code is supposed to do.
Learn how it does them.
(crucially) Learn why it does them the way it does.
All three of those parts are very important, and there's a few tricks to help you get started.
First, resist the temptation to just ctrl-click (or whatever your IDE uses) your way around the code to understand everything. You probably won't be able to keep everything in perspective in your mind this way, especially when each line forces you to look at multiple other classes in order to understand what it is, so you need to be able to hold several levels of the stack in your head.
Read documentation where possible; it usually helps you quickly gain a mental framework upon which to build everything that follows.
Run test cases where possible.
Don't be afraid to ask someone who knows if you have a question. Granted, you shouldn't waste others' time with inane queries, but if there's something that you simply don't understand (this is especially true with more conceptual questions like, "Wouldn't it make much more sense to implement this as a ___" or something), it's probably worth finding out the answer before you mess something up and don't know why.
When you do finally get down to reading the code, start at a logical "main" place and go from there. Don't just read the code top to bottom, or in alphabetical order, or anything (this is probably obvious).
The best way to get acquainted with a large codebase is to dive in. Many projects have a list of easy tasks that need to be done, and they're usually reserved to help ease people in. You should find and work on some of these; you'll learn a lot about the general code outline and structure, contribute to the project, and get an easy payoff that will help encourage you to take on larger tasks.
Like most projects, WINE has good resources available to its developers; IRC, wiki, mailing list, and guides/overviews. With most daunting codebases, it's not so scary after the first few fixes. WINE is truly large, and much like the kernel, I doubt there's any expert in all systems; don't feel like you need to be either. Start working on something that matters to you and take it from there.
I've started a few patches to WINE myself, and it's a good community and good structure. There's lots of very helpful debug messages, and it's a really cool project to work on, so that helps you hit it longer too.
We all appreciate your valor and willingness to help with WINE (it needs it). Thanks, and good luck.
Dig in. Think of a question you'd like to have answered, and try to find the answer. When you get tired of reading code, go read the dev mailing list, the developer's guide, or the wiki.
Unfortunately, there's no royal road to understanding a large code base. If you enjoy that sort of thing (I do) you're in for some fun. If not, guide books won't really help, so you aren't really that much worse off.
Look for one peculiar feature you are interested to improve. Search for its implementation. Once you found it, pull on that straw and all the rest will follow.
The best way is through comments.
I'm being ironic, as you understand tiny bits of the beast add comments so you can follow your trail.
The other developers will also enjoy it if you add the missing guides in the code.
Try to implement some tiny little change in the code, something that will be visible to you. That might be figuring out a workable way to output debugging statements (and figuring out where the output appears), it might be changing the default size of windows or desktop color, or something. Once you can make something happen in the codebase, you've scratched the surface of understanding and can begin to move on toward more complicated things. At that point, select a goal of something slightly more useful that you'd like the code to do, and implement that. Or check out the project's bug tracker and look for something small to start with.
Document as you go, and write unit tests as you go, and refactor as you go. When you figure out what a routine does, comment it!!
As others have suggested, dig in! Read all the available documentation you can absorb. Then see if you can find other people who are interested or knowledgeable and learn with/from them. It helps to have people to bounce ideas off of and ask questions.
For C source code, once you get a feel for what areas of the code you'd like to work on, generate ctags and cscope databases for that code. These tools make it a lot easier to jump around and understand the code. Many text editors (one example is gvim) have support for ctags and cscope so you can jump around easily.
(warning: shameless marketing ahead)
For Java developers using Eclipse, there's nWire. It is an Eclipse plugin for navigating and visualizing large codebases.
A good way to understand a large system is to break it down into it's constituent parts and focus on a specific paths through the application.
Your debugger is your friend here, set a breakpoint in the thread you want to investigate then step through it line by line looking at which each part does... hope that helps...
As part of a wide ranging job for a cystic fibrosis support organization, they'd also like a web site set up and I've decided on Apache running on Linux (due to its security and low cost mostly). Other than (fairly) static content, they also want a forum where people can discuss issues with the condition - it'll be attached to a hospital chain so there'll be plenty of medical staff there who know little about the web.
I can handle all the specific coding and Apache setup since I've done it before but I'm interested in people's opinions as to whether I should roll my own forum software or get a hold of some ready-built stuff. I've not had any experience with forum software but I could generate my own (initially buggy, I'm sure) in a month or so.
It'll require registration and login to leave comments (but guest access just to read) and I'd like it to be 'pretty' (excuse me while I remember damning customers for providing similarly vague requirements specs :-) but not necessarily infinitely-configurable with skins/themes/etc.
If anyone has some compelling reasons (and experience with specific products that can provide what I need), I'd be interested in hearing about them. Alternatively, does anyone have any 'gotchas' they experienced while coding their own forum software?
Advantages to rolling your own:
a non-standard custom-built system means you'll be less prone to "standard" attacks (e.g.: a vulnerability in PunBB) since bad guys tend to bother with exploit-hunting only on widely-deployed systems (more return on their investment)
absolute control over how your system works and looks
you'll learn a lot
Disadvantages:
you'll repeat mistakes other people have already solved
it'll take you longer to get up and running
long-term it'll be more maintenance (since you have to fix bugs & add features yourself).
you can't "leverage the community" -- if you choose an off-the-shelf forum that has a plugin system then there's a whole bunch of community add-ons that won't be available for your custom forum software.
There's a GIANT list of forum software on wikipedia -- there's most likely something in there that will suit your needs that you can get up and running quickly.
IMHO the old "don't build what you can buy" adage applies to this (well, the web 2.0 version is obviously "don't build what you can download"). Have a look around at the available forum software, pick one that covers 99% of your needs and tweak it to do the rest.
If you still want to build your own forum software that'll probably be a cool side project but if the job is to get a forum up and running, then go and download one - don't try to mix up the desire to do cool stuff and the day job unless the day job is just to do cool stuff only.
One of the best-kept secrets on the internets is a little gem called FUDforum, by Ilia Alshanetsky.
And yes, it's the same Ilia who wrote xDebug's original profiler code, improved the caching in MMcache, fixed several security bugs in libmcrypt, and who was the release manager for the PHP language from 4.3.3 to 4.3.6+. He is, as my friends in Boston would say, wicked smaart.
Because of this, FUDforum is robust, ridiculously fast and more secure than probably any other part of your web application will ever be. It comes with a neat install script and it has all the features you'll need.
Plus, it's not a high-profile target like phpBB or vBulletin, which means you won't have to worry about spambots constantly banging on the gates.
Having written my own forum software before...
It seems like a simple problem, but when you get into it, you find that there's a lot of little things that you'd like to do nicer, and it takes a lot of time. Mine was cool and all, and I did get paid for it, but if I was doing it over again (which has also happened), I'd use a customizable pre-made solution, and spend all my spare time doing something productive. :)
Forum softwares tend to have rather complex minimum requirements. A few things you are very likely to need do matter what you do:
Forum/thread/post hierarchy;
User system;
Security system (eg user/admin classes and all kinds of restrictions for users);
Gathering statistics;
BBCodes or some other minimized markup language (NEVER allow users to do full HTML);
File uploads and avatars;
Bans and other punishments;
CAPTCHAs;
etc.
Ready made forum systems provide this out-of-the-box and lots more. Setup is mostly easy too. Why do it all over again yourself?
My answer would be: don't reinvent the wheel, there are plenty of fora software out there. My preference would go for RForum if you need only that.
I'd say, don't waste your time. phpBB 3 is pretty stable, usable and feature-rich forum. We use it at work (for our internal discussions), and I really don't have anything bad to say about it.
I'd concur with most of the above posters that since you want something which appears fairly standard, why reinvent something that already exists?
Like any development, creating forum software is probably much harder than it looks! There will be problems solved in the existing software which you haven't even considered.
It's worth adding that if you do require any specific additional functionality, you can always build that on top of an existing solution anyway, which is especially easy if you have the source code (whether open source or commercial).
From the sounds of the website that you are building, there is the potential for the forum to be a highly useful and visible resource, it would be good to go with something that already exists, due to the quality of a lot of the products out there and the rich communities that surround them.
I think that vBulletin, although a paid for product, would suit your needs and give you a great base to build a community on.
vanilla is pretty bare bones and easy to configure, perhaps find a system which is easy to extend vs building everything yourself
Ready built until you have some really unique features needed that can be tied to money it will make you.
Recently I've been doing lots of weekend coding, and have began to really need a bugtracker as things are gaining speed. This is probably the worst case scenario because I basically have to let things cool down over the week,so I simply can't remember the bugs in my head. So far I've been using a text file to jot down bugs,but I'd rather use something a bit better.
The biggest points here are ease of use and very little setup time.Don't want to spend more than an hour learning the basics and trying to install something. Also in my case I'm on a Mac so that would help, but solutions for other platforms are welcomed as they will likely help others.
FogBugz has a student/startup edition that's free indefinitely, for 2 or less users.
Personally, I use Excel. (Wait, come back, I'm not crazy!) For a bigger / team project, I've gotten a ton of mileage out of Bugzilla, but that tends to be kind of overkill for a one-person project.
But, a well-organized spreadsheet, with columns for things like "status", "description", "code module", "resolved date," etc, gets you pretty close to what you'd need for a small project. Sorting a spreadsheet by column isn't anywhere near a search, but its a whole lot better than "find in text file."
Heck, if you use Google docs rather than excel, you can even publish the thing as an RSS feed and get it anywhere.
And, the major advantage is that the setup time and learning curve are both effectively nil.
Addendum: And of course, the instant your "One-Person Bug Tracker" becomes a "Two-Person Bug Tracker" you must switch to something better. Bugzilla, FogBugz, anything. Trust me, I've been there.
Trac or Redmine are both pretty good. I don't know how easy they are to set up on a Mac.
It's worth mentioning that FogBugz also has a free version for up to 2 users, which would suit you. It is hosted so there is no installation and you can use something like Fluid to access it in its own window.
I don't think you need a full blown bugtracker for your scenario.
Try tiddly wiki, store each bug in a tiddler and give them tags like 'open' or 'closed'.
There is no installation required (only one html file), and it's very easy to use.
And platform neutral.
If you're working on a LAMPP stack, then for ease of setup and use I would probably recommend Mantis. It's written in PHP / MySQL and the only installation involved was specifying where the database should be created and what credentials should be used.
Oh, and its FOSS.
I would suggest Omnigroup's Omnifocus - it's an excellent task tracker, and if you just make the mental leap from bug to task, I think it works famously for one man projects as well as being an excellent way to organize your no doubt burgeoning task queue.
Eclipse has a really interesting system--I don't know why so few people seem to know about it.
It's tied in with their to-do list. It gives you the ability to enter bugs with as much or as little info as you like. You can tie it to versioning or an external bug tracker if you like. It's a decent bug tracker in itself.
The real trick is how it works with your source code.
Before you begin work you select a bug from the list. All the time you're coding, it tracks what files you are editing. It can close old tabs for you, and will also highlight areas of the source tree that you have modified a lot.
The nice thing is, you can go back to any bug you've edited an you will get your "Environment" back. Not only all your notes and stuff, but the same tabs will open up and the same sections of code in the navigator will be highlighted.
Also eclipse works with virtually any language, it's not just restricted to Java...
let me put in a good word for ditz - it's a bit bare-bones, but it has the invaluable feature that bugs are checked into your repository. it's also very easy to use once you get used to its way of doing things
You can use fogbugz for free if you're a one man team.
It's super easy to use and quick to learn.
They made it so that bugs are really easy to enter, no mandatory fields.
I'm the author of BugTracker.NET mentioned in another post. If I were looking for a tracker for JUST ONE PERSON with MINIMUM hassle, I'd use FogBugz, because it's hosted. No installation, no need to worry about backups.
But, what are you doing about version control? Don't you have to worry about that too, and backing that up? If so, consider something like Unfuddle or CVSDude where you can get BOTH Subversion and Trac, or Subversion and Fogbugz.
I use Mantis at home and I'm happy with it. It can be a pain in the arse to get it working so you can choose to download a free and ready-made VM installation. Cannot be easier than that,
Maybe a spreadsheet would be the next logical step? I know it sounds really un-sexy, but if you're the only user, you don't have to worry much about others mucking it up, and it adds a few basic features over a text file like sorting. Then if you later need to graduate to something RDBMS-backed, you would likely have a feasible import path. I just know that for me, when working by myself, I don't tend to get around to putting bugs in anything that requires more care and feeding than that (of course when working with others the collaborative needs make a more defined repository a requirement, but that's a different story).
EDIT: After noting the availability of free, hosted access to FogBugz, I'm re-thinking the bar for care and feeding...
RT from BestPractical is great.
I also get a lot of mileage out of just keeping a list of items in a text file with vi, if I can express them all in one line. This is usually for many small todo items on a single component or task.
I've tried bugtracker.net and even though it's a little bit rough on the edges, it's free and was built with ASP.NET:
http://sourceforge.net/project/showfiles.php?group_id=66812
Are you using a source control repository as well? If not, you really should, even though you're only a one-man team.
My personal preference is to use a VMWare Virutal Application (free) that offers no-hassle setup gives you access to both Trac and Subversion. You can find many different virual appliances through searching. Here is one example of getting a Trac/SVN virtual appliance up and running:
http://www.rungeek.com/blog/archives/how-to-setup-svn-and-trac-with-a-virtual-appliance/
Trac is an excellent project management tool that sports a bug tracker, wiki, and integrated source control management. It's adaptable to your needs, and fits me very well personally.
I use bugzilla for this purpose. Plus for me was that it has integration with Eclipse (precisely with Mylyn). FogBuzz has it to but AFAIK it is nonfree.
Plus it sits on my laptop so I can code and add/remove bugs when offline (it was biggest disadvantage of hosted solutions for me)
Installation was not a problem in Ubuntu (and any debian-based distro I suppose).
I dig ELOG in those cases, it's more of a personal blog, but it's easy to handle and install, the data is local on your computer and you can search all entries via fulltext. Always sufficed for me.
If you have a Windows box with IIS and MSSQL (including SQL Server Express), you should look at Bugtracker.net. It is free and open source (you get the source code), and it is extensible.
Even if you are a one man shop, having a free bug tracking system with this much power will allow you to grow over time, because it is fairly easy to add future users into the system.
You can also customize it for the look of your organization, business or product.
Ontime 2008 by Axosoft is free for a single user licence. It's industrial strength and will give you alot more that just bug tracking!
http://www.axosoft.com
Jira which now has free personal licenses.
I am using leo for this purpose. To be more specific, its cleo plugin.
Of course you might need to spend some time to get used to leo, but it will pay off.
A flat text file is just a list, an Excel spreadsheet is a two-dimensional list.
leo lets you keep the data in a tree! And it also has clones.