Software Development Forum

I'll prelude this with I am a novice coder at best and this is mostly a hobby that I would like to do professionally one day, but that day may be 10+ years from now. So for now I tinker and learn here and there. Part of the reason I …

I'm using python to try and talk to my Arduino with pyserial. The code should wait for an input from COM5, (the arduino), and then sends a 1 and waits for the response. import serial connected = False ser = serial.serial("COM5", 9600) while not connected: serin = ser.read() connected = …

Hello, I have a code which generates QR codes from a csv file: #Importar base de dades pathFile = ('E:\Usuarios\Daniel\Documents\APNAE\QR\Llistat_socis_alta.csv') socisAPNAE = pd.read_csv(pathFile, delimiter = ';', encoding='ISO-8859-1') #generar codi QR for i in range(0,len(socisAPNAE.index)): soci = socisAPNAE.iloc[i,1:6] nom = socisAPNAE.iloc[i,1] nom = nom.encode('latin-1') qr = QRCode(version=20, error_correction=ERROR_CORRECT_L) qr.add_data(soci) qr.make() im …

I have an array of seven numbers and I would like to sort the numbers from the smallest to the largest. How should I do it?

Sup peeps, hope you guys can give a mate a hand with this default constructor problem. I get this error when i instantiate a class: error LNK2019: unresolved external symbol... This is my LavaLand.h ... class LavaLand { highscore &h; public: LavaLand(); void setup(); }; ... LavaLand.cpp void LavaLand::setup() { …

Ok so first off, I've recently returned to C++, and I'm very new to both OpenGL, and Code::Blocks IDE (used to use Bloodshed Dev before) .. so please don't flame me if there's a basic solution to this I'm trying to read a ".asc" file which has the vertices of …

Hi I wrote a Singleton class but i got an error while controlling instantiation captain.h #ifndef CAPTAIN_H #define CAPTAIN_H #include <iostream> #include <string> class Captain { private: Captain(); Captain(const Captain&); Captain &operator=(const Captain&); std::string name; public: //Controll Instantiation static Captain &GetInstance(); //Set Name of the Captain std::string GetName(); //Get his/her …

i have few txt files in one folder. i need a program that will open that folder and read all files one by one to find a string and give me output. so far i got code to do this from only one particular txt file. but i cant make …

Hi, I have written an application that identifies if the fisrt number entered is a multiple of the second number. The application also displays the multiplication table of the second number. What I am now trying to do is to identify which postion the multiple is. For example, 5 * …

What I want to do is add videos to a list available for rent. In the “main” form when I click “Add” then the frmAddVideo appears where I need to insert all the video’s information. (This works 100% but…) In the frmAddVideo form there is a comboBox with values “Yes” …

Hello All, I am developing an application in WPF in which I need to set a generic input bindings for TAB key for every field present in the view. I somehow managed to create a common method but now I wnat to retrieve on which field the TAB key has …

Hi All, Just wanted to know on how to dynamically set the focus on a TabItem of a TabControl in WPF at runtime using bindings etc. Thanks

There used to be a Python module called pyglet that allowed graphics and sound. I can't find it anywhere.

hi, i have written a function that can search through a folder and display a picture in a new window if the file is present but i always have to add the image file format or extension before the function can work. is there a way i can work around …

Hi, I have a class named 'roomOne' and another named 'StoneAdventure'. 'roomOne' inherits from 'StoneAdventure'. Heres the Problem: Whenever I create an #include "roomOne.h" in the header file of 'StoneAdventure' I get an error C2504: base class is undefined. Note: Everything works fine if I remove the #include "roomOne.h" from …

Hi, I have a `string *input;` and that variable is initalized with `getInput();`. I initialize input in `setup()`. `setup()` is run once. this is where my problem is: I'm looking for a better logic that let me initialize `input` without getting a prompt which came from `getline(cin, line)` that is …

Hello, I've been trying to read txt from a file, and breaking each line into words and storing them in Array. Example. txt file C001 John Smith 999999 C002 Mary Agnes 888888 Here is my code. public class Customer implements iCommand{ static List<Customer> cust = new ArrayList<Customer>(); static private String …

For this programming exercise, you may use ONLY these instructions: and nor or ori sll srl xor Start a program with the instruction that puts a single one-bit into the low order bit of register eight ($8 or $t0): ori $t0, $0, 0x01 Now, by using only shift logical instructions …

Hey everyone, Just trying to add to a scoreboard from a different class. The problem is that i'm not sure how to add to a scoreboard that has been previously defined in a different class. As i've instantiatied i'm assuming that has made a whole new Game (with a new …

For this programming exercise, you may use ONLY these instructions: and nor or ori sll srl xor Run the programs by verifying the value of the PC is 0x00400000 (right-click the field and use Change Register Contents to set it) and then single stepping (pushing F10) and observing the results …

I want to select a node based on an attribute value. I am using C# program to derive on the attribute value which is stored in a variable. The below code returns null. How can I compare the attribute value against a variable? string posSecond = "test"; SelectSingleNode("//viewentries/viewentry[@position=posSecond]"); Thanks!

Hi There, This comes under a few forums on DaniWeb, so I've guessed and posted it here... I have two computers, both connected to the internet and running Windows 7 (Home Premium + Professional). One is my main one, the other is one I do not use. If I installed …

I am in the process of converting a program from vb 6 to VB.Net. I am taking a large amount of data and placing it in the proper sql collum. Any help will be greatly appreciated. I am getting this error code here: If ExistsInrsTemp("NextMthDue") = True Then If InStr(NullSafeValue(rsTemp, …

Write a program that reads n digit number. after reading the number, compute and display the sum of odd positioned digits,multiply all even positioned digits and add the two numbers. I have attempteed this problem like this a = input("Enter number") s = 0 p = 1 n = 1 …

Yes, I am new to Java as you will see from my post. I have done most of the work therefore; I am not interested in someone to doing my work for me rather I am looking for a new set of eyes. My program is to keep track of …

Hello, team. When I run my program it is not allowing me to run this program. Looking to the professionals for some help. Tester import java.util.Scanner; public class ProductTester //the class ProductTester { public static void main( String[] args, Object getPrice) //the main statement { Scanner user_input = new Scanner( …

Define a function named isDivisor that has two parameters of type int and returns a value of type bool. A call to isDivisor(m,n) should return true if and only if (iff) m divides n. For example isDivisor(6,24) will return true but isDivisor(5,24) will return false . Note that every number …

Define a function int getRoots(double a, double b, double c, double & s1, double & s2) that solves a quadatic equation with coefficients a, b and c. If there are no real roots than the return value will be 0 and the values of s1 and s2 will be left …

Define a function void order(int & a, int & b, int & c, bool ascending) that places the values in ascending or descending order, depending on whether the last parameter is true or false . For example, if x, y and z contain the values 3,1, and 2, respectively, then …

Hi! I have this code from the internet but it didn't work well. I want to set the margin of the Report Viewer during runtime. Because I have this form to fill up. Instead of handwriting it. I programmed it. But there are certain positions of the textboxes in which …

Define a function bool isWin(char board[][3], char target); that returns true if character target has a winning position on this tic-tac-toe board. That means three occurences of target in a line, column or along either diagonal. For example if target is 'O' and if board[0][2], board[1][1] and board[2][0] all equal …

I want to identify xml nodes that does not have specific attribute. Below is the sample xml. I want to retrieve nodes that does have the "response" attribute. I found atricles that help identify node that has a specific attribute but not my requirement. <top node> <viewentry position=1 children = …

I would like to break up a list into sublists of 3 elements each. I have this code, but it will give an index error when the length of the list is not divisible by 3. mylist = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11] …

For reference: http://en.wikipedia.org/wiki/AVL_tree I remember having touched these briefly in my CS Fundamentals 3 class, now some 5 years ago. Haven't touched them since. Does anyone use these on a semi-regular basis and in what context?

Hi! I'm having hard time where to put the system.out.print code in my assignment. please check my codes, I'm still new and learning in java sorry If I have mistakes :) here: import java.util.Scanner; public class SelectionSort { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Enter …

Error : Object referrence not set to an instance of an object Situation; I have an array declared publicly (i.e. outside any events) as Public Shared array_shuffle() As Integer What I want to do is to be able to specify the length and elements of this array from inside events …

Write a complete program that reads an integer k > 1 from the console and finds the first positive natural number n hat is divisible by all whole numbers between 2 and k inclusive. Your program may only use do-while loops , even if you think a for-loop or while …

I'm having some trouble getting importing stuff from another class, I think I may be doing it wrong. I have a simple main class called Test and at the top I say: [CODE] from WordFixer import WordFixer import sys [/CODE] Then in the same folder (the src folder) I have …

Hello, I have few question regarding importing modules. I have created a folder for my python work [quote]/usr/home/pratz/pyfiles[/quote] I have exported this to set the $PATH. And now if I issue the command [code]echo $PATH [/code] I am getting the string the "/usr/home/pratz/pyfiles" in the list. If I am not …

Hi all, i am trying to write a mortgage amortization schedule calculator and am stuck. please see the code below. It appears that the principal is being counted twice before subtracting it from the balance. Any ideas on what the issue is? I am new to python: loanAmount = input("Please …

Hello, I mainly wanted some tips and advice on ways to optimize this code, it's actually an exercise from my class' power point file. It says: Exercise 1 Sam and Ella's Delicatessen wants you to write a program to take orders from the Internet. Your program asks for the item, …

Hey guys, I made the game Rock Paper Scissors where 2 players can play against each other. Here is my client's GUI ( The server doesn't need 1) and I was wondering what else to do to make it better looking/more "advanced". Any feedback is appreciated - The entire GUI …

I have a class containing: class CounterList: __n_comparisons__ = 0 def __init__(self, data=None): if data is None: self.data = [] else: self.data = data self.__n_accesses__ = 0 def __getitem__(self, i): self.__n_accesses__ += 1 return self.data[i] def __setitem__(self, i, item): self.__n_accesses__ += 1 if type(item) != CounterNode: raise ValueError("Only Counter objects …

Hello! I am normally in the PHP / Web Development section of DaniWeb. It's a pleasure to finally have a reason to check out other sections of DaniWeb! So, I am logged in as root at the Command Line Interface over SSH - on Debian 7 Wheezy running on a …

Helllo to all 1.11 members. Could someone paste and copy. Xml from a build.xml so I can see basic structue and conventions? Thank you.

i ecounter problem again, this time different, i've success compile my project from.java to .jar then compile .jar to .exe, then i have try my .exe result, so at first was working well, but when need connection to database, that was appear notification connection failed .. thats all my problem.. …

APPLIED PROGRAMMING (APR520S) ASSIGNMENT 1 Problem Solving Tools Total Marks: 50 Marks Due: Friday 22 August 2014 Suppose we want to construct a C/C++ program that can be used to calculate the area or the volume for a range of 2-D and 3-D shapes respectively. Consider only the following shapes. …

I'm having some problems cleaning up some of the processes my windows form application creates. I'm using selenium which starts a process instance of a browser and a browser driver among other things. Selenium library provides a Quit() method which if called inside my running application works just fine at …

what should do? if show() replace with setVisible(True) then.. getText() replace with ? addItem() replace with ?

Hi Guys, If you have a Text Box which you are putting in the Decimal Places such as "15.50". Then Submitting this to a Access Database then on re-fresh the data shows in the grid view as "15.5". Where abouts should this be modified so that it shows Decimal Places? …