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PostPosted: Fri Mar 04, 2016 3:09 pm 
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Can confirm government loves Java for some reason. Buddy develops for the court here and everything they do is old, poorly-written Java.


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PostPosted: Sat Mar 05, 2016 7:55 am 
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I can think of two popular uses of Java: Android app development and Minecraft modding.

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PostPosted: Sat Mar 05, 2016 7:36 pm 
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Mookhow wrote:
I can think of two popular uses of Java: Android app development and Minecraft modding.


I've heard that you can develop little apps in Java and sell them for a buck or two on the Google store thingy and expect to make $50 or a $100 or so just from people idly purchasing them. Is there any truth to that?

Also, here is my next project. I won't keep bugging you guys with every trivial book exercise but I did try to incorporate some feedback from my first program to get this. If you input a number, it finds the next prime number above it.

Code:
// ConsoleApplication3.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <cmath>
using namespace std;

bool primenotfound(int checkplus);


int main()
{
   int checkfrom = 0;
   cout << "To determine the NEXT prime number, enter an integer: ";
   cin >> checkfrom;  // Find the next number that is prime above this one, regardless if this one is prime
   int checkplus = checkfrom + 1; // Start checking with this value
   while (primenotfound(checkplus)) {
      primenotfound(checkplus);  // go to function to check prime value
      ++checkplus;  // increase to the next value to check
   }
   cout << endl << "The next prime number after " << checkfrom << " is: " << checkplus << endl; //result output
    return 0;
}

bool primenotfound(int checkplus) {
   int checkroot = sqrt(checkplus);
   for (int counter = 2; counter <= checkroot; ++counter) {  //perform until a factor is found
      if (checkplus % counter == 0) {
         return true;  // a factor was found
      }
   }
   return false; // a factor was not found
}

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PostPosted: Mon Mar 07, 2016 9:58 am 
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As you start coding more and larger things, be sure to start commenting up your code. At the very least, a comment describing the purpose of the functions you write. It can really help you later on when you want to reuse a function in something else, but don't necessarily remember a component name and searching fails you.

And if any other developer has to support your code, they need to know what the crap is going on. They shouldn't have to spend 20 minutes evaluating a function to figure out what it's for. But I know right now this is just a hobby for you.

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PostPosted: Mon Mar 07, 2016 10:42 am 
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Screeling wrote:
As you start coding more and larger things, be sure to start commenting up your code. At the very least, a comment describing the purpose of the functions you write. It can really help you later on when you want to reuse a function in something else, but don't necessarily remember a component name and searching fails you.

And if any other developer has to support your code, they need to know what the crap is going on. They shouldn't have to spend 20 minutes evaluating a function to figure out what it's for. But I know right now this is just a hobby for you.


Heh, I don't think I will have any code written that anyone will need to support any time soon! But that's good advice; I can see where down the road I'd write something, then come back to it later and wonder what in the hell I had written.

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PostPosted: Mon Mar 07, 2016 3:10 pm 
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It's also for you as much as it is for anyone else. Occasionally you'll go back to something you did 6 months ago and wont know wtf you were thinking when you made it.

Generally when I program anything, I comment out the process of what I plan to do at the very start. It helps you outline your entire project/class/function/method, identify things that may repeat (gotta stay DRY), and generally get a good understanding of what you have to do before you actually do it.

Code:
// -- Method Outline --
// Identify vars
// Populate initial states
// Update values on click/set/interaction
    // When done, hide this thing, set other thing


We aren't typing the same languages but forcing myself to outline things when I first started was a great help to not only starting off right, but also not getting lost in the middle of my work and not knowing where to go next. Sometimes you have a lot of moving parts and you forget where to go.


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PostPosted: Mon Mar 07, 2016 4:36 pm 
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I usually flowchart my more complex code on my whiteboard. When it comes to commenting I usually have 2 or 3 lines of comments per line of code.

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PostPosted: Mon Mar 07, 2016 6:30 pm 
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You'll never win like that.
http://www.ioccc.org/

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PostPosted: Mon Mar 07, 2016 9:27 pm 
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shuyung wrote:
You'll never win like that.
http://www.ioccc.org/


lol

Is there a bonus if you win unintentionally?

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PostPosted: Mon Mar 07, 2016 9:45 pm 
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Diamondeye wrote:
shuyung wrote:
You'll never win like that.
http://www.ioccc.org/


lol

Is there a bonus if you win unintentionally?
I've worked with more than a few guys who could win it accidentally...


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PostPosted: Sun Mar 13, 2016 5:23 pm 
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I used to do the "no comments" thing deliberately. Subscribed to the "if you can't understand it without comments, you shouldn't be reading it" philosophy. In theory, I now believe in the usefulness of comments ... but I still don't write 'em as often as I should.

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PostPosted: Sun Mar 13, 2016 6:41 pm 
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Shelgeyr wrote:
I used to do the "no comments" thing deliberately. Subscribed to the "if you can't understand it without comments, you shouldn't be reading it" philosophy. In theory, I now believe in the usefulness of comments ... but I still don't write 'em as often as I should.
I had a guy like that who worked for me. He changed his tune after I made him write an 8 page essay on the importance of commenting his code. A shame I'm not going to be able to do stuff like that now that I'm all civilianified...

Making him work on some uncommented code written 20 years prior probably helped convince him, too, now that I think about it.


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PostPosted: Sun Mar 13, 2016 10:00 pm 
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I think comments should be used sparingly. Good code is generally readable self-documenting.


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PostPosted: Fri Mar 18, 2016 12:24 pm 
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It really isn't, and comments aren't really for you, but for the poor guy who has to figure your code out 5 years down the road.

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PostPosted: Fri Mar 18, 2016 3:17 pm 
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You guys are terrifying me. :shock:

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PostPosted: Fri Mar 18, 2016 5:05 pm 
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If you've got a knack for it, coding really isn't that hard...the hardest part is keeping current on whatever language or framework is the flavor of the week.

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PostPosted: Mon Mar 21, 2016 10:30 am 
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Timmit wrote:
It really isn't, and comments aren't really for you, but for the poor guy who has to figure your code out 5 years down the road.

Pretty much this. Always assume the guy supporting your code is a violent psychopath that knows where you live.

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PostPosted: Mon Mar 21, 2016 2:38 pm 
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Screeling wrote:
Timmit wrote:
It really isn't, and comments aren't really for you, but for the poor guy who has to figure your code out 5 years down the road.

Pretty much this. Always assume the guy supporting your code is a violent psychopath that knows where you live.


I already own a 12-gauge, so I have that covered.

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PostPosted: Mon Mar 21, 2016 5:51 pm 
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Diamondeye wrote:
Screeling wrote:
Timmit wrote:
It really isn't, and comments aren't really for you, but for the poor guy who has to figure your code out 5 years down the road.

Pretty much this. Always assume the guy supporting your code is a violent psychopath that knows where you live.


I already own a 12-gauge, so I have that covered.
My M1a outranges your 12 gauge and 20 years of maintaining uncommented code has made me patient...comment your code ;)


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PostPosted: Tue Mar 22, 2016 8:44 am 
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Timmit wrote:
Diamondeye wrote:
Screeling wrote:
Timmit wrote:
It really isn't, and comments aren't really for you, but for the poor guy who has to figure your code out 5 years down the road.

Pretty much this. Always assume the guy supporting your code is a violent psychopath that knows where you live.


I already own a 12-gauge, so I have that covered.
My M1a outranges your 12 gauge and 20 years of maintaining uncommented code has made me patient...comment your code ;)


Inside the house, range doesn't matter - and I'm not too frightened of Air Force guys on the ground. :mrgreen:

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PostPosted: Wed Mar 23, 2016 8:20 am 
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Python for ease of use. Java if you want a big corp job. C/C++ if you want to move into smaller mobile or desktop app/game dev (where you'll then have the joy of all the variants and ecosystems - objective C, .Net/C#, - and the boutique breakouts like SWIFT rust and go... Joy :p)

Java Is Not Dead if you want a salary job.


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PostPosted: Wed Mar 23, 2016 10:48 pm 
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Also C if you want to do operating systems development on *nix devices.


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PostPosted: Wed Mar 23, 2016 11:28 pm 
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If you guys are talking to me still, I'm not anywhere near developing operating systems.

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PostPosted: Thu Mar 24, 2016 12:17 am 
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This is just hobby learning, Lex.


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PostPosted: Thu Mar 24, 2016 7:20 pm 
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It's a short step from that to kernel developer.

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