C/++, you're on notice! - Computers, Math, Science, and Technology

Smartalex Toucan Joined: Apr 12, 2012 Age: 28 Posts: 250 Posted: Sat Oct 13, 2012 4:54 pm?? ?Post subject: C/++, you're on notice! Grievances with C; I have to tell you NOT do do something?!? That's stupid. I'm the programmer, I tell you what to do. "VOID" SETUP or "VOID" LOOP? I'll tell you what C, if I want you to bring me back a value, I, will tell YOU, to bring me back a value. Don't go doing stuff on your own! INT, integer, really?!? The last time I paid attention to math class was fifth grade. Call it "name" or "address" or anything better than "InTEger". You might as well just write the language in Greek. C/++, you're on notice! Back to top MyFutureSelfnMe Phoenix Joined: Feb 27, 2010 Posts: 1221 Location: NYC Posted: Sat Oct 13, 2012 5:22 pm?? ?Post subject: Re: C/++, you're on notice! Smartalex wrote: Grievances with C; I have to tell you NOT do do something?!? That's stupid. I'm the programmer, I tell you what to do. "VOID" SETUP or "VOID" LOOP? I'll tell you what C, if I want you to bring me back a value, I, will tell YOU, to bring me back a value. Don't go doing stuff on your own! INT, integer, really?!? The last time I paid attention to math class was fifth grade. Call it "name" or "address" or anything better than "InTEger". You might as well just write the language in Greek. C/++, you're on notice! C++ doesn't "do something on its own", the return type is required. "Void" is specific and helps avoid ambiguity. How is "name" or "address" better than "int"? If "int" is "name" then what is "float"? What is "long"? Addresses are pointers, they are not integers. It seems to me you have a grievance with C++'s level of control, while complaining about the lack of it. If you have a problem with integers, go back to math class. Back to top Smartalex Toucan Joined: Apr 12, 2012 Age: 28 Posts: 250 Posted: Sat Oct 13, 2012 5:37 pm?? ?Post subject: Re: C/++, you're on notice! MyFutureSelfnMe wrote: Smartalex wrote: Grievances with C; I have to tell you NOT do do something?!? That's stupid. I'm the programmer, I tell you what to do. "VOID" SETUP or "VOID" LOOP? I'll tell you what C, if I want you to bring me back a value, I, will tell YOU, to bring me back a value. Don't go doing stuff on your own! INT, integer, really?!? The last time I paid attention to math class was fifth grade. Call it "name" or "address" or anything better than "InTEger". You might as well just write the language in Greek. C/++, you're on notice! C++ doesn't "do something on its own", the return type is required. "Void" is specific and helps avoid ambiguity. How is "name" or "address" better than "int"? If "int" is "name" then what is "float"? What is "long"? Addresses are pointers, they are not integers. It seems to me you have a grievance with C++'s level of control, while complaining about the lack of it. If you have a problem with integers, go back to math class. You do realize this is a rather humorour attempt at saying C has some wierd names right? Back to top MyFutureSelfnMe Phoenix Joined: Feb 27, 2010 Posts: 1221 Location: NYC Posted: Sat Oct 13, 2012 5:39 pm?? ?Post subject: Re: C/++, you're on notice! Smartalex wrote: MyFutureSelfnMe wrote: Smartalex wrote: Grievances with C; I have to tell you NOT do do something?!? That's stupid. I'm the programmer, I tell you what to do. "VOID" SETUP or "VOID" LOOP? I'll tell you what C, if I want you to bring me back a value, I, will tell YOU, to bring me back a value. Don't go doing stuff on your own! INT, integer, really?!? The last time I paid attention to math class was fifth grade. Call it "name" or "address" or anything better than "InTEger". You might as well just write the language in Greek. C/++, you're on notice! C++ doesn't "do something on its own", the return type is required. "Void" is specific and helps avoid ambiguity. How is "name" or "address" better than "int"? If "int" is "name" then what is "float"? What is "long"? Addresses are pointers, they are not integers. It seems to me you have a grievance with C++'s level of control, while complaining about the lack of it. If you have a problem with integers, go back to math class. You do realize this is a rather humorour attempt at saying C has some wierd names right? Aspie Humor! Sometimes I get lost... I don't find C's keywords weird, I think they're brief and to the point Back to top Smartalex Toucan Joined: Apr 12, 2012 Age: 28 Posts: 250 Posted: Sat Oct 13, 2012 6:01 pm?? ?Post subject: It's not actually C's fault. Here's my problem, I purchased an arduino for my students, highschool, I'm a student teacher. I want to introduce the students to electronics and the programming process in the hopes that they can build things on their own, and have some ownership and pride. So the arduino uses C for the programs. I don't really understand c that well but my students are having an even tougher time. The sad thing is, they get the board, the get the pin outs, it's that language that is tripping them up. I was told arduino is for "lay people." Friday, I came in and I told the students to forget everything I tried to explain to them, "Integer is just a way of 'naming' a pin or a piece of information... And the Arduino's language is stupid, you have to tell it NOT to do something, that's why you write VOID in front of setup or loop, otherwise it's gonna search for some address or value". The kids got it. They started making stuff on their own or adapting projects. I wish there was a language that was better for lay people, that was written in not percise technical terms that are accurate, but rather are in simple and conventional phrases. The phrases that C has that are more conventional such as SETUP, the kids got that. So it's not really C's, fault, it was designed for another purpose. Back to top Smartalex Toucan Joined: Apr 12, 2012 Age: 28 Posts: 250 Back to top Trencher93 Pileated woodpecker Joined: Jun 24, 2008 Age: 112 Posts: 179 Posted: Sat Oct 13, 2012 6:13 pm?? ?Post subject: Don't forget the creat() system call in the list of strange names. At least the names in C fit on a terminal line. After that six-byte external symbol restriction was lifted a while back, some of those names are so long they make your head spin. Throw in some anonymous functions, and it looks like line noise. Then there's jQuery, where you're never quite sure if what you've got is a JavaScript property list or some CSS because they're almost identical. Lots of weird stuff. Goes with the territory. Back to top Trencher93 Pileated woodpecker Joined: Jun 24, 2008 Age: 112 Posts: 179 Posted: Sat Oct 13, 2012 6:15 pm?? ?Post subject: To be serious: Smartalex wrote: Here's my problem, I purchased an arduino for my students... I've been messing with Arduino and the Raspberry Pi, but haven't had much time to get into them. One of the two can use Python. That would be a good choice for HS students. Back to top MyFutureSelfnMe Phoenix Joined: Feb 27, 2010 Posts: 1221 Location: NYC Posted: Sat Oct 13, 2012 6:18 pm?? ?Post subject: Smartalex wrote: It's not actually C's fault. Here's my problem, I purchased an arduino for my students, highschool, I'm a student teacher. I want to introduce the students to electronics and the programming process in the hopes that they can build things on their own, and have some ownership and pride. So the arduino uses C for the programs. I don't really understand c that well but my students are having an even tougher time. The sad thing is, they get the board, the get the pin outs, it's that language that is tripping them up. I was told arduino is for "lay people." Friday, I came in and I told the students to forget everything I tried to explain to them, "Integer is just a way of 'naming' a pin or a piece of information... And the Arduino's language is stupid, you have to tell it NOT to do something, that's why you write VOID in front of setup or loop, otherwise it's gonna search for some address or value". The kids got it. They started making stuff on their own or adapting projects. I wish there was a language that was better for lay people, that was written in not percise technical terms that are accurate, but rather are in simple and conventional phrases. The phrases that C has that are more conventional such as SETUP, the kids got that. So it's not really C's, fault, it was designed for another purpose. Yeah you should start them on a language like Python or Ruby and move them to C eventually if ever. Nothing against you, I'm sure you're a great teacher, but it's possible someone well versed in C could have gotten them moving more smoothly. Back to top Smartalex Toucan Joined: Apr 12, 2012 Age: 28 Posts: 250 Posted: Sat Oct 13, 2012 6:36 pm?? ?Post subject: I'm going to check out python and ruby, but i arduino can work with python, I'll check that one out specially. I do wish there was someone that was really familiar with C, because I'm not the best person for this. I'm pretty good with the components though. My brother is a comp programmer. I have consulted with him on this. The class of kids are used to not understanding things and they usually just give up, all across the board, not just in homeroom. The kids basically shutdown when I tried to explain things accurately and technically. When the kids started figuring things out, I told them, "I didn't give you the answer, because I don't really have it, lol. It was you guys, you figured it out." For the purpose of giving the kids confidence in their own abilities, the fact that I don't know C works out great. I do wonder though, if they could get much more programming ability out of this with someone else. I also wonder if my "simpler" phrases may trip them up when they know more about the program but I have to get them going off the ground. I would like to turn the students over in a few weeks to a real expert or encourage the students to continue with this online and maybe at community college. Back to top Oodain big chief wulla bamboom alakaway Joined: Jan 31, 2011 Age: 22 Posts: 4630 Location: in my own little tamarillo jungle, Posted: Sat Oct 13, 2012 7:15 pm?? ?Post subject: the arduino is specifically a collection of software and tools for micro c microcontrollers. included is the wiring programming language, it is as easy as python and java, in some ways easier, it has a huge library support and you can recode specific modules in c if the need should arise. when working with the arduino i use it even if i plan to drudge my way through most of it in c, (yes for me at my current skill level that is a time consuming task) in that case the ide simply serves as a way to neatly arrange c program using wiring as an intermediary. incidently i know that there are dozens of open source and easy to follow education plans for groups of people. some made specifically for high school, you should ask on the arduino forums, there is a fairly good community there. if nothing else it will give you an ide aof what pace others find suitable and what methods did and sometimes didnt work. _________________ //through chaos comes complexity// the scent of the tamarillo is pungent and powerfull, woe be to the nose who nears it. Back to top sliqua-jcooter Phoenix Joined: Jan 26, 2010 Posts: 595 Location: Burke, Virginia, USA Posted: Sat Oct 13, 2012 11:50 pm?? ?Post subject: Smartalex wrote: Friday, I came in and I told the students to forget everything I tried to explain to them, "Integer is just a way of 'naming' a pin or a piece of information... And the Arduino's language is stupid, you have to tell it NOT to do something, that's why you write VOID in front of setup or loop, otherwise it's gonna search for some address or value". The kids got it. They started making stuff on their own or adapting projects. C as implemented on an Arduino is extremely simple - but you're over complicating things. The pins on the arduino are numbered, thus they're represented by numbers, aka Integers. The keyword integer describes the *type* of number stored (whole numbers), as opposed to a decimal value or "float" (floating point). As for your issue with the void keyword - it's not that the method isn't doing anything, in fact it's just the opposite. Your method either returns a value to wherever you call it elsewhere in the program, or it doesn't. Usually, the methods that are void are the methods that are actually doing something to the pins on the arduino. The way it made sense to me is when I actually made a program that *did* return a value - which most of the time you're not doing in Arduino sketches. Consider having your students write a simple calculator sketch - have them assign pins as digital input pins and make different buttons represent different numbers - then assign 5 more buttons to functions (add, subtract, multiply, divide, equals) - then have them make methods for each function that return the result of that function, and then figure out how to display that result (depending on what you have available, you can either use 7 segment displays or the serial output to the computer). That way your students are actually defining methods that DO have a return value, and that will probably help them understand better than any explanation could. _________________ Nothing posted here should be construed as the opinion or position of my company, or an official position of WrongPlanet in any way, unless specifically mentioned. Back to top 2fefd8 Tufted Titmouse Joined: Jul 26, 2012 Posts: 34 Posted: Sun Oct 14, 2012 12:33 am?? ?Post subject: Re: C/++, you're on notice! Smartalex wrote: Grievances with C; I have to tell you NOT do do something?!? That's stupid. I'm the programmer, I tell you what to do. "VOID" SETUP or "VOID" LOOP? I'll tell you what C, if I want you to bring me back a value, I, will tell YOU, to bring me back a value. Don't go doing stuff on your own! INT, integer, really?!? The last time I paid attention to math class was fifth grade. Call it "name" or "address" or anything better than "InTEger". You might as well just write the language in Greek. C/++, you're on notice! I'm not sure why you're complaining about these things. There are a lot of problems with C++ but the things you mention are not really an issue. It would be possible to check for a return statement in the body of the function and detect void automatically but it wouldn't really be a good idea. This would require adding a special case which would be inconsistent with definitions of functions that do return a type (all so you didn't have to type four letters and one space). You'll find that the same situation with void occurs in other statically typed languages without type inference (e.g. Java, C#, etc.). As for int, calling it name or address is a terrible idea since that's not what an int is. int is a good name since it says exactly what it is (an integer). Back to top 2fefd8 Tufted Titmouse Joined: Jul 26, 2012 Posts: 34 Back to top

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