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Official Programming/Writing Code Thread

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DayMan
Posts: 4704 - Karma: 8,748
Since I recently broke my arm and I'm now out for the summer, I decided I'm going to start learning how to program/write code. My cousin is a successful programmer living in California and is helping me along the way, and I am really enjoying what I've been learning so far even though all I've been doing so far is some HTML stuff. So anyways, I figured there had to be some other people on here who do this kind of stuff, and I figured I could make a thread where any question you have about programming could be asked, and hopefully answered by other people on the site. Also post any cool news or new cool, interesting, programming-related articles on there. I don't have any particular questions or cool articles at the moment, but I'm sure some of you out there do. GO!
Jun 19 2012 10:12PM
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ski93
Posts: 1280 - Karma: 84
I have the basics of python and java under my belt and I must say that python is a good starting language. You can dive right into it without having to know any OOP stuff.
May 1 2013 4:29PM
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ILLinoisance
Posts: 3527 - Karma: 5,398
Who wants to help me create a snake game on MIT App Inventor?

I have no idea what the fuck I'm doing....
May 2 2013 7:04PM
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BikeMlatt69
Posts: 1947 - Karma: 60
So I got a Raspberry Pi for my birthday, any tutorials you used or where should I start? I read the FAQ, also using windows.
Jul 14 2013 3:58PM
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DayMan
Posts: 4704 - Karma: 8,748
Dewd lets do it. I know you posted that in May and now it's August, but I'd totally be down to work on that with you
Aug 9 2013 10:20PM
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d00d
Posts: 2687 - Karma: 7,086
Im gonna take a seat right here incase anything interesting pops up.
Aug 9 2013 10:59PM
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BikeMlatt69
Posts: 1947 - Karma: 60
Is it supposed to be written in Java? If so, I had to make snake game for a computer science class and i still have the code.
Aug 11 2013 5:18PM
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DayMan
Posts: 4704 - Karma: 8,748
I have no idea. I haven't really looked into it at all. I sent him a PM and no reply at this point. Thank you though, I'll definitely let you know if I need that, because it could be really useful
Aug 11 2013 11:39PM
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Low.End
Posts: 556 - Karma: 21
yeah i built some MIDI controllers this past year using Arduino, it's great!
Aug 11 2013 11:51PM
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Rossberger
Posts: 768 - Karma: 168
I'm having trouble counting pulses from a hall effect sensor with a magnet. Any experience?
Aug 12 2013 7:51PM
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TACO-DOG.exe
Posts: 11988 - Karma: 12,261
lol'ing at the rick astley icons
Aug 12 2013 8:03PM
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Sir.Steezealot
Posts: 1156 - Karma: 677
Click for larger image

With that being said, going to be a Sophomore Comp Sci student here in a few weeks. Programming languages I know are Java, Python, Javascript, Ruby, jQuery, CSS, and HTML5. There all self taught except for Java, took two semesters of that in skewl. Any questions PM me.
Aug 13 2013 12:08AM
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Low.End
Posts: 556 - Karma: 21
not directly but shouldn't be too hard. take the output of the sensor into the arduino (analog in i believe), and then write some logic so that whenever the voltage of the sensor goes above a certain threshold you increase a counter or do whatever you wanted to.
Aug 13 2013 1:34AM
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notadoctor
Posts: 404 - Karma: 638
I use C/C++, Python, fortran and matlab at work and I know some mips assembly stuff but I'll never use that again.
Sep 9 2013 11:50PM
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Stose
Posts: 7109 - Karma: 4,123
kind of weird, but in my explorations in computing class, we are using ruby.
Sep 30 2013 8:47PM
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406
Posts: 2302 - Karma: 92
MATLAB
Oct 1 2013 2:47PM
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Cork3d
Posts: 52 - Karma: 73

Do you guys go to Montana State? I'm really interested in going there and studying computer science.  Im a senior so ill be there next year.  What is the best language to learn?  I'm taking an intro to java class right now and I'll probably take c++ next semester.  Also, are the compsci classes hard/require a lot of studying? Thanks

Oct 1 2013 5:23PM
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the.hellion.
Posts: 861 - Karma: 698
mostly just for threads; just started a coursera class Computer Science 101 - I'm a total, fucking noob - like cannot post a picture in a thread, to save my life and it's really quite awesome. I'm looking forward to being able to understand how all this shit I interact with all the time actually, really, works.
Oct 10 2013 10:26PM
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Otherside
Posts: 305 - Karma: 93
Probably the best thing about writing code is even when you do create something small and almost worthless it gives you the best feeling in the world.
Oct 11 2013 12:18AM
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Otherside
Posts: 305 - Karma: 93
Probably the best thing about writing code is even when you do create something small and almost worthless it gives you the best feeling in the world.
Oct 11 2013 12:18AM
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alexat955
Posts: 2732 - Karma: 112
Anyone on here doing tech stuff in the Bay Area? just started interviewing for next summer. os much work
Oct 11 2013 7:07PM
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Rachy
Posts: 4355 - Karma: 2,761
So I know next to nothing about programming.. the real stuff. HTML/CSS Javascript, light php.. I can do.

But I'm wondering more about phone app building. As in I have an App I'd like to build. How difficult is it to do the actual programming for an Iphone app? Anyone know any good resources to check out for this?
Oct 11 2013 9:30PM
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iLLbiLLy
Posts: 2865 - Karma: 2,631
If you want to write it in the native IOS environment, you'll need to know OO fundamentals as well as Objective C. Unfortunately HTML/CSS & PHP won't help a whole lot.

However I do believe you can no write APP's using HTML & JS as an intermediate language (look at phone gap). There are definitely many limitations in this tho.

I guess it really depends on how complex what you want to do is. You could have a simple app up and running in a day... For something more complex you might also need a connected server, SQL database, Soap or Rest API, etc.

If you want to PM me specific questions feel free. I enjoy designing Software so I would let you know what you need.
Oct 12 2013 2:46PM
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DayMan
Posts: 4704 - Karma: 8,748
Figure this could use a bump
Sep 29 2014 9:47AM
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DayMan
Posts: 4704 - Karma: 8,748
Anyone else taking AP Computer science? Fuck java.
Nov 4 2014 12:54PM
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Ski_The_E
Posts: 1036 - Karma: 944
Where do I start if I have no idea what I'm doing? I'd love to learn how to code/program, but I find that it's really hard to get into.
Dec 12 2014 6:56PM
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DayMan
Posts: 4704 - Karma: 8,748
Ski_The_EWhere do I start if I have no idea what I'm doing? I'd love to learn how to code/program, but I find that it's really hard to get into.


At first, it really is hard to get into because there is so much syntax and shit you just have to memorize. I would start with something like Codeacademy.com just to get started, and then I'd look at taking one of the entry level courses on Coursera or EdX because those work more into incorporating logic and problem solving into the syntax you've learned
Dec 16 2014 2:00PM
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cool_name
Posts: 4295 - Karma: 3,131
RedPandaAnyone else taking AP Computer science? Fuck java.


Took it back In high school, are you still doing bug runner?
Dec 16 2014 8:22PM
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cool_name
Posts: 4295 - Karma: 3,131
Now I want to code something again, somebody give me a problem that is solvable in java
Dec 16 2014 8:23PM
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toastyteenagers
Posts: 1834 - Karma: 6,793
Anyone want to help me out with some greenfoot/blueJ code?
Dec 16 2014 9:08PM
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AT-AT
Posts: 3281 - Karma: 3,256
I asked for a raspberry pi for christmas. Not sure what I should do with it. Any ideas?
Dec 16 2014 10:46PM
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theabortionator
Posts: 51614 - Karma: 162,020
I started fucking around with it way back because of myspace. I miss that program. I made half a website at one point and never finished it. That's about all I ever did with coding.

Good times though.
Dec 17 2014 12:14AM
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DayMan
Posts: 4704 - Karma: 8,748
cool_nameNow I want to code something again, somebody give me a problem that is solvable in java


Here is my homework for tonight:

Write and test a method that takes an array list named 'words', which contains strings of alphabetic characters, throws them into 26 "buckets", according to the first letter, and returns the ArrayList of buckets. Each bucket should be represented by an ArrayList of the type "String". The first bucket should contain all the strings from 'words' that start with an 'a', in the same order as they appear in 'words'; the second bucket should contain all the strings that start with a 'b', and so on. Your method should traverse the list 'words' only once and leave it unchanged.


I'm pretty lost on this one.
Dec 17 2014 2:17PM
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iLLbiLLy
Posts: 2865 - Karma: 2,631
RedPandaHere is my homework for tonight:

Write and test a method that takes an array list named 'words', which contains strings of alphabetic characters, throws them into 26 "buckets", according to the first letter, and returns the ArrayList of buckets. Each bucket should be represented by an ArrayList of the type "String". The first bucket should contain all the strings from 'words' that start with an 'a', in the same order as they appear in 'words'; the second bucket should contain all the strings that start with a 'b', and so on. Your method should traverse the list 'words' only once and leave it unchanged.


I'm pretty lost on this one.


A HashMap would make much more since... but heres one way to write the function asked for. Assuming case-insensitive (a=A). Also does not have error handling or non-alpha strings

public List groupByFirstLetter(List words){
List groups = new ArrayList();
//initial all buckets
for(int i = 0; i < 26; i++{
List l = new ArrayList();
groups.add(l);
}
//add words to group
for(String word : words){
char firstLetter = word..toLowerCase().charAt(0);
Integer index = ((int) firstLetter) - 97; //unicode int value of 'a'
//might want to do some try catch here...
groups.get(index).add(word);
}
}

I wrote this complete in the thread reply so its likely there are some compile errors. Should get you started though.
Dec 17 2014 2:49PM
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406
Posts: 2302 - Karma: 92
i never liked java...
Dec 17 2014 2:52PM
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iLLbiLLy
Posts: 2865 - Karma: 2,631
iLLbiLLyA HashMap would make much more since... but heres one way to write the function asked for. Assuming case-insensitive (a=A). Also does not have error handling or non-alpha strings

public List groupByFirstLetter(List words){
List groups = new ArrayList();
//initial all buckets
for(int i = 0; i < 26; i++{
List l = new ArrayList();
groups.add(l);
}
//add words to group
for(String word : words){
char firstLetter = word..toLowerCase().charAt(0);
Integer index = ((int) firstLetter) - 97; //unicode int value of 'a'
//might want to do some try catch here...
groups.get(index).add(word);
}
}

I wrote this complete in the thread reply so its likely there are some compile errors. Should get you started though.


NS stripped my types damnit! And I forgot the return statement...

the return type needs to be a "List of List of String". You should be able to figure it out from there hopefully
Dec 17 2014 2:57PM
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