How to Become a Programmer - Computers, Math, Science, and ...

SayMoi Emu Egg Joined: Nov 06, 2012 Posts: 2 Posted: Wed Nov 07, 2012 12:19 am?? ?Post subject: How to Become a Programmer Hey! As a newbie, I don't know if I'm posting in the completely wrong forum, please correct me if I am. I'm an NT lab assistant for my university's computer science department. I've become friends with an aspie learning Java who, unfortunately, has a reputation among the lab assistants for being highly dependent on our help. The prof's at a loss, and I've sort of taken up the task of figuring out how to help him pass the class. What I really, really need to hear from other brilliant aspies is how you learned to program, particularly the abstractness of it all. He claims that he himself is a computer that must be programmed; he can only reproduce what he has seen before and cannot problem-solve. If a lab assistant tells him how to solve a problem or exercise, or gives him an algorithm, he can hack it out?right now this also takes a lot of help, but I think he could get to the point where the syntax and coding was simple. He just can't get his mind around translating logic to code, or writing one method that applies to all situations instead of just a sample situation. The result is that without a lab assistant feeding him the logic bit by bit, he's incapable of writing a program. Java and all object-oriented programming is founded in abstraction and reusability. From what I understand, this is exactly what challenges aspies; and yet Google, IBM, Intel, etc. are overridden with aspies. Clearly I'm missing something magical. Please help!!!!!!! Back to top Fnord Threadkilling Metasyntactic Variable Joined: May 07, 2008 Posts: 14227 Location: Stendec Back to top Marybird Snowy Owl Joined: Apr 27, 2012 Age: 64 Posts: 174 Back to top undercaffeinated Emu Egg Joined: Oct 29, 2012 Age: 37 Posts: 3 Location: Canada Posted: Wed Nov 07, 2012 4:02 am?? ?Post subject: Here's a lot of rambling, some small part of which might be useful. Hopefully. It jumps around a bit, so if the first part looks irrelevant there may still be something useable later. Personally, I learned by reading the GW-BASIC reference we got with our first PC cover-to-cover, then writing simple programs in it for fun (this was in the 80's). Later, I bought a C compiler and did the same with that. After that, it was just a matter of continuing to read and experiment, and writing programs for my own use until I eventually got a job programming in Delphi. One thing I've noticed when I've looked at materials for learning Java (especially for introducing programming using Java) is that many of them focus on the ideas of objects, classes, and an object-oriented way of approaching problems upon the student right from the start, and then fill in the other details later; They focus on using classes before explaining anything about how to actually make them do something. Sometimes it helps to work in the opposite direction, and start with simple, procedural programming, and then tackle objects and classes later. Also, the concept of classes/objects is often introduced in an awkward way that can give the impression that a class needs to mirror a real-world object directly -- of course, it doesn't, and attempting to design classes this way often leads to overly complex and/or awkward designs. It's important to understand that an object is really just a collection of related data relevant to a single instance of something, and maybe some functions used to work with it (simplifying things a bit). It doesn't need to correspond to anything that's distinct or meaningful outside the program, and it doesn't need to perfectly model a real item even if it represents one. I think failing to dissociate classes from the real, outside world is something some people stumble over at first. I didn't start with object-oriented programming right away, I learned about it later after I'd already been programming for some time. And it got a lot less awkward when it clicked that classes/objects could be used much the same way that I was already using structures, but with the structures and related functions merged into classes; that classes were more of a way of organizing code than anything else, and didn't need to be a radically different way of doing things. Another thing I've found is that when I first learn something I may sort of understand it, but it requires a lot of mental effort to apply it and it goes slowly... then once I become comfortable with the concept there's a sudden, dramatic improvement. If that's what's happening with your friend, he may surprise you after things have had some time to soak in. It's also more difficult to try to soak in several new things at a time, though, so it's probably best not to rush things too much. It could also be that he's having trouble because he's trying to work on too many different aspects of the process at once. Possibly when he's gotten more comfortable with the language and with basic concepts like functions and variables, he'll be better able to focus on the algorithm and how to implement it. It's also possible that he can understand the core concepts just fine, but gets stuck trying to decide what approach he's supposed to take -- in which case he's not using your guidance as a way to solve the problem, but as a way to resolve his indecision. If so, he'll probably get better when he's gotten more comfortable with things, and when he's under less pressure. It might also help in that case to make sure he feels he can choose his approach freely and doesn't feel like it's imperitive that he select exactly the "right" way, and to remind him that if it doesn't work he can always try something else. I realize he's probably expected to learn good practices, but it might be best to focus on simply getting it done first, then worry about correcting his style later. The issue of abstract thought and Asperger's is not necessarily as simple as "aspies don't understand abstract concepts". The strange thing is, that although they're noted for having problems with some kinds of abstraction (like figurative speech) they're also noted for (at least sometimes) excelling in fields that depend on abstractions (like math, computer programming, various forms of art, etc.). It's always seemed paradoxical to me, and suggests that there are some very significant things that are very poorly understood about Asperger's in that respect. Back to top Madbones Phoenix Joined: Mar 08, 2010 Posts: 742 Location: In the zone Back to top TallyMan The observer is the observed Joined: Mar 31, 2008 Posts: 34736 Location: France Back to top cubedemon6073 Phoenix Joined: Nov 08, 2008 Age: 33 Posts: 1047 Posted: Wed Nov 07, 2012 7:49 am?? ?Post subject: Fnord wrote: I learned how to program by isolating myself and my computer from human contact, loading up the editor and the compiler, and just started "playing". A week or so later, I had finished my first re-entrant interrupt handler. This is what I did as well. I eventually quit asking for help because it was completely useless. I was able to try different things to get the basics of it. For example, once I was able to isolate myself it only took me an hour or so to figure out what a counter was and figure out what the heck they were talking about. The only way I was able to do that was to pull out VB.net put a counter in and have it display the results. I did like this. Dim x as integer = 5 x=x+1 msgbox(x) 5 x=x+1 msgbox(x) 6 x=x+1 msgbox(x) 7 x=x+1 msgbox(x) 8 From this I was able to derive what a counter was instead of listening to an abstract lecture of it. What I was doing wrong was at first is this. I was trying to consider "x=x+1" as an equation to be solved. I had to think of this in a different sense and once I did I was able to make the connection. From my experience with programming he is trying to be to dependent from outside help and the outside help has people with neurologies who don't think like him. When I ditched the instructors and just read the crap and did the crap myself I became a lot better. This is what occurred with classes, abstraction, and inheritence. One does not have to use classes at all. Classes make one's code readable. Undercaffenated is correct about what he says. When I was learning about them in intro to java the instructions example used animals and mammals. This kept throwing me off and I saw no use for classes until I had to connect to a particular database in multiple ways. I kept wishing to myself I wish there was a better way and that I could just plug something in. Guess what? It was classes. Why couldn't they explain it more in a practical sense? Back to top cubedemon6073 Phoenix Joined: Nov 08, 2008 Age: 33 Posts: 1047 Back to top SayMoi Emu Egg Joined: Nov 06, 2012 Posts: 2 Posted: Wed Nov 07, 2012 11:12 am?? ?Post subject: So many replies! This is great, I appreciate it! What I'm hearing is, tell him to quit listening to the lectures and lab assistants and read the book. cubedemon6073 wrote: When I was learning about them in intro to java the instructions example used animals and mammals. This kept throwing me off and I saw no use for classes until I had to connect to a particular database in multiple ways. I kept wishing to myself I wish there was a better way and that I could just plug something in. Guess what? It was classes. Why couldn't they explain it more in a practical sense? It seems that his greatest challenge, the semester project, may be difficult because it involves writing a program for the game Reversi where the classes (board, piece, player) are meant to mimic real life very closely. But I'm not sure how to practically explain why this is a useful structure, especially when the architecture has already been created and he's just supposed to write the code for each method. The architecture is documented, of course, but there's no book or anything to explain it better - besides the lab assistants. Any ideas? Back to top cubedemon6073 Phoenix Joined: Nov 08, 2008 Age: 33 Posts: 1047 Posted: Wed Nov 07, 2012 12:23 pm?? ?Post subject: Quote: It seems that his greatest challenge, the semester project, may be difficult because it involves writing a program for the game Reversi where the classes (board, piece, player) are meant to mimic real life very closely. But I'm not sure how to practically explain why this is a useful structure, especially when the architecture has already been created and he's just supposed to write the code for each method. The architecture is documented, of course, but there's no book or anything to explain it better - besides the lab assistants. Any ideas? Honestly, I would not know either. I believe he would have to stumble onto it himself as he gains experience. This would establish a frame of reference. The problem is he has no frame of reference to go. To establish this, he needs to practice and eventually accidently stumble onto it one day. He needs to read the book and try things out himself including the practice exercises if there are any. This is what I did. Does this involve creating an A.I. player and the Min-Max Algorithm? Either way, if he is doing something like creating a game this is what I had to do to create an A.I player for Tic-Tac Toe. I had to break down the game to managable chunks. In tic-tac-toe there are nine slots to place X's and O's. I had to reduce the amount of slots and code it in chunks. I coded it for a one by one board at first. I then added it for a 1 X 2 board. After that, I did it to a 2 X 2 board. I did it for a 3 X2 and then finally a 3 X 3. This was how I was able to successfully able to create a Tic Tac Toe game with an AI player. I started with the simple 1X1 and there was only one rule which was only x player could play and put an x. I expanded upon this and so on. Back to top TallyMan The observer is the observed Joined: Mar 31, 2008 Posts: 34736 Location: France Back to top ScrewyWabbit Velociraptor Joined: Oct 09, 2008 Age: 39 Posts: 440 Posted: Wed Nov 07, 2012 2:52 pm?? ?Post subject: Re: How to Become a Programmer SayMoi wrote: What I really, really need to hear from other brilliant aspies is how you learned to program, particularly the abstractness of it all. He claims that he himself is a computer that must be programmed; he can only reproduce what he has seen before and cannot problem-solve. If a lab assistant tells him how to solve a problem or exercise, or gives him an algorithm, he can hack it out?right now this also takes a lot of help, but I think he could get to the point where the syntax and coding was simple. He just can't get his mind around translating logic to code, or writing one method that applies to all situations instead of just a sample situation. The result is that without a lab assistant feeding him the logic bit by bit, he's incapable of writing a program. Some of the best computer instructors I've had basically encouraged us to shamelessly steal, borrow, or otherwise re-use people's code. Which is not to say to wholesale steal other people's programs, but to use other people's code as examples. I think when you're first learning, this is a great way to go because it gives you exposure to solutions to common problems. If your friend's weakness is that he can't come up with stuff on his own, then I think he needs to build up his "toolkit" of problems that he's learned to solve by looking at other people's code. Hopefully he'll then develop a sense of how to apply these "tools" he's gained - i.e to be able to take a given problem and relate it to another problem that he's already been exposed to the solution. Bottom line is, we've all been exposed to complicated problems that we didn't "get" at first. For me, it was proofs in geometry. I could usually look at a solved proof and figure out why it worked and why it maid sense, but taking one from scratch and solving it on my own was really tough. But eventually from looking at enough examples I learned and became more comfortable with the techniques that were used and figured out how to apply them myself. I could say the same about some of the areas of computer science that seem more abstract when you first learn them too - recursion, for instance took me a while to really gain comfort with. By the way, I've encountered many "programmers" in my career who, judging by the code they produce, seem to be unable to think abstractly to save their lives. But, honestly, it just sounds like maybe Computer Science doesn't align itself well with whatever aptitudes your friend might poses. Maybe he should be looking at pursuing something else. Back to top

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