Software Development Forum

I'm making a game in XNA. I need a player to move from block to block (40x40pixels) and I need to be able to set the speed that the player is able to move at. Right now, I have this code: Update Method - updates 60 frames per second or …

Is it possible to do this: Print out something on the screen, when the user presses enter, it should print out something else, but on the same line: cout <<"Hello "; -wait for an enter- cout <<"there"; with it looking like this: Hello there ?

Hi, I really need help with understanding how to solve an exercise. Create a new textfile with the name 'studentinfo.txt' and write following and save: Marie Anderssen 29 Alexander Lind 35 Gholam Payro 32 Zlatan Ibrahimavic 26 Write a program that read the information from 'studentinfo.txt' and calculates the average …

Hi, I have an array of hWnds, and I need to change each one of their background colors. They're all without a border(titlebar, and such). I've searched Google, and IxQuick, and I need an answer please. Thanks so much for the help.

Okay so as a complete newbie... Currently I am at chapter 6 of a book called How to Think like a Computer Scientist ([URL="http://openbookproject.net/thinkcs/python/english2e/ch06.html"]http://openbookproject.net/thinkcs/python/english2e/ch06.html[/URL]) and I for some reason can't figure out this exercise: Make this doctest pass: [CODE]def print_digits(n): """ >>> print_digits(13789) 9 8 7 3 1 >>> print_digits(39874613) …

I have a simple program. [code] // test.c #include <stdio.h> int main() { #ifdef HELLO printf("Hello "); #endif printf("World\n"); return 0; }[/code] I'd like to set up a makefile and either define HELLO or not in that Makefile and then either the program displays "World" or "Hello World" based on …

I would appreciate a snippet of code for adding groups at run-time to a listview. I am currently listing books (and stats) without groups via the following code which is executed in a loop (one pass per book title). [code] item = New ListViewItem item.Text = seq.ToString item.SubItems.Add(Mid(titlenode.Nodes(N_CSTAT).Text, 3)) item.SubItems.Add(Mid(titlenode.Nodes(N_JSTAT).Text, …

I'm new on using class. Other than declare as friend class or declare static for the specific file to share variables/functions. Is there any other way? I have inherit few classes and wrote into few *.cpp file. I can't extern a static file, so is that mean i just only …

ok im new so i dont really know what im doing but when i put the example program in dev and compile it everything works fine but when i run it it still works fine but the black screen what shows you the result of thr program lasts like 1 …

Hey I am trying to look into a text file and compare the single input by their hexadecimal digits. I am comparing two .txt documents, everything is the same but my computer keeps reading them as different. I checked the hex version of these documents and I realized that that …

I use CodeBlocks, it's light, has readline-like autocomplete of code and the best thing that I like is that you can change the background color. which is the one you use?

Dear All, I have an application where I got few different sql queries that I would like to have an ACID properties. I have now setAutoCommit false. Where best to put commit and rollback statement? [CODE]try { [INDENT]dbconn = DriverManager.getConnection("jdbc:mysql://192.168.1.45:3306/***?"+"user=****&password=*****"); dbconn.setAutoCommit(false); stmt = dbconn.createStatement(); String selectQuery2 = "Select * from …

I work on ubutnu 10.10 and have java installed on my machine ( jdk 1.6.0) cause when I type java -version on terminal ,it gives me the details.But when i try to open eclipse , it says no jre or jdk found etc, .Please help.

I have a command lets say [CODE]f(x): print x[/CODE] I want to create several buttons to print various numbers so I made a list of the objects to print when I tried to do [CODE]for x in thislist: bind_all(x,lambda:f(x))[/CODE] which bound the buttons properly but all the buttons print the …

Hi! I want to make a python program that runs different simple command line scripts. Right now I use os.system which works fine for running the scripts, but the problem is that the scripts sometimes halt and wait for input from the user. So my question is, how do i …

Lets say you have lots of data your listview. Now you want to Group This data According to a Perticular Subitems. For Example: Suppose i have some books data in my ListView. this listview items contains Author name and Books Title. And there are 2000 Books in list view. Now …

Hi, I'm looking to code the following problem in python. If (for example) dict={A:0.7,B:0.8,C:0.9,D:2.3,E:0.1,F:2.4} and so on.. (i have a big dictionary of A-Z something like this) I'm looking to find repeated substring in a string that has a dissimilarity of no longer than 0.5 (between highest and lowest). The …

[CODE] //1>program for piramid. --------------------------- #include<stdio.h> #include<conio.h> void main() { int i,j,n,a,k=0,m; clrscr(); scanf("%d",&n); m=n*2; a=m/2; for(i=0;i<m;i++){ printf("\n"); if(i<a)k++; else k--; for(j=0;j<m;j++){ if(i>=a||j<a-(k-1)||j>a+(k-1)) printf(" "); else printf(" *"); } } getch(); } //2>program for Revrse piramid. --------------------------- #include<stdio.h> #include<conio.h> void main() { int i,j,n,a,k=0,m; clrscr(); scanf("%d",&n); m=n*2; a=m/2; for(i=0;i<m;i++){ printf("\n"); …

I want to obtain the data from .dat file which contains millions records (most of them are string) with 52 fields. I am trying to store the data into 52 lists. However, it is very slow Here is the code: import sys try: file= open("test.dat", "r") except IOError: print >> …

This one comes from file-handling. Say , i have a file of 95,000 lines. I have to analyse only those lines which start with a semi-colon. So my logic would be like, "Read first character of the line, if it IS a semi-colon, process it, otherwise jump to the next …

Hi, I will be developing a program using visual studio 2008 with ms access 2007 as my database. What I only use is this type of connection string: [COLOR="Red"]"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\mydatabase.mdb;Jet OLEDB:System Database=system.mdw;" [/COLOR]but i was asked if it is possible to put the database in sharepoint and I haven't even …

I am fairly new to C# and come across functions that I don't know what they do. Is there a database for all the functions in each namespace for C#?

hi everyone i need ur help here is the problem i want to insert this values into my table at the same time (Member_ID,Interest_ID,Reference,date,interest_Recived ) at the end of every month then my code is look like this private void Icalculater() { decimal x = Convert.ToDecimal(i_RateComboBox.Text); DateTime t = Convert.ToDateTime(this.fmonthtextBox.Text); …

So I'm pretty lost in Python. My teacher doesn't explain the commands for Python so I'm really confused on how to write this. I have to write a green screen type program that takes a picture with a green background and replaces it with another picture by looking at the …

Hey guys I need a little bit of help. I am writing a program that generates 100 random numbers and then stores then in an arrays (2, even and odd numbers) I need a little help with passing the array into the function and generating random numbers. What am I …

[CODE] #include <stdio.h> int main(){ char *names[1024]; float *rates[20]; FILE* file; file = fopen("tecaji.txt","r"); while(!feof(file)){ fscanf(file, "%s", &names); for(int i = 0; i < 20; i++){ fscanf(file, "%f", &rates); } } for(int a = 0; a < 50; a++){ printf("%s", names[a]); } } [/CODE] The file contents look like this: …

I am writing Python on my mac, and am trying to pipe the output from the Terminal to python.. I think this is achieved with os.popen?

Hi guys, I'm currently switching from mechanical engineering to Computer Programming analyst in September so I have a few months to learn how to do this.. What I want to do is make a Bot for a game.. The game is written in Java and I want to load it …

Hi guys, I created an application in C#, which requires [B].Net Framework 4.0[/B] (Not the client profile) I created a Setup project for my application, since it has to be installed on a very big number of computers, some of which may have not access to the internet. Moreover, I …

If I have a class variable being passed to a function, is there a way that I can get the class that the variable is from? [CODE]class someclass: def __init__(self): self.somevariable='somevalue' def somefunction(self): print('gotta get here') def someotherfunction(somevariable): somevariable.needparentclasshere.somefunction() myclass=someclass() someotherfunction(myclass.somevariable)#this needs to print 'gotta get here'[/CODE]

Ok so I'm trying to get images to resize which I could do with Image.PhotoImage but now I'm using RGBA .png files so I have to use ImageTk.PhotoImage and I can't figure out how to resize them anymore any help on this kind of thing? I'm using python,tkinter

This program separates palindromes from non-palindromes in a text file. After separating them into separate two dimensional arrays, I have to sort them in ascending order by string length. The last part is to output both the palindromes and non-palindromes in centered, triangle format. I've gone through this program multiple …

Hello, I'm having trouble running the CalcOpticalFlowPyrLK in Python. When I try doing the calculations for the Lucas Kanade code it will not compute the error I get is the following:[ICODE] File "****", line 63, in callback (currFeatures, status, track_error) = cv.CalcOpticalFlowPyrLK(old_image, new_image, old_pyramid, new_pyramid, old_features, (3,3), 1, (cv.CV_TERMCRIT_ITER, 10, …

I am experiencing unexpected performance degradation when using vectors with classes. I have a csv_File class that reads in a csv file and stores the contents in a 2D vector. There's a member function that allows access, e.g. [CODE] csv_File file("file.csv"); file.access(2,2);[/CODE] To access the 2,2 element. Then, I have …

[code] import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import javax.swing.DefaultCellEditor; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableModel; public class main implements ItemListener { String[] a = {"one","two","three"}; String[] b = {"4","5","6"}; String[] c = {"7","8","9"}; String[] d = {"10","11","12"}; String[] e = {"13","14","15"}; JComboBox a1 = new JComboBox(a); JComboBox b1 …

-The program should print "COP 2220-50184 Project 3: <your name>" with a blank line before and after. -Then it should prompt the user for the input file name of the file containing the data to sort. - If the program can't open the file or if no file name is …

Hey yall. Trying to teach myself C++ using the book "Programming and Problem Solving With C++" (5th ed.) by: Nell Dale and Chip Weems... and it's no cake walk. I have a new found respect for programmers and programming in general. Anyway, if any of yall can help me figure …

Hello all, I'm trying to modify some code but I'm having some difficulty - probably because I don't really understand the function in the first place. Its one my supervisor found online that seemed to work fine for the purposes of our test code. However; after some poking around its …

Greetings, I'm having a problem with this code below. I want to ask 3 questions and then gather userinput into char variables. When I run the program it asks the first question and then outputs the answer. Then it asks the second question, but does not allow the user to …

Im trying to make a calculator and I thought of using the ScriptEngine class to evaluate expressions. So I designed the following code: CalculatorFrame.java : [CODE] import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.lang.Math; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; public class CalculatorFrame extends JFrame { public CalculatorFrame() { setTitle("My Scientific Calculator"); …

i want to know, what kind of addresses do pointers deal with? i mn logical or physical? and how can i access a particular memory area using pointers? PLEASE HELP.......

Hi All, We are using one application. This application is having 2types of jobs. Under each job again there are each 5 sub jobs. All the jobs are scheduled jobs. Now the requirement is The main 2 jobs we are going to run on some specified days( for this we …

how to apply different formatting to parts of group box text ie. part of the text has 2 be in black and the other half in grey? Plz help

anybody know to create a program that count the characters(including spaces)???

Hi everyone, I am new in Java programming. I want to know that how to check integer variable whether it is null or not. I have a situation I write a program that asks that how old are you. If a person accidentally press enter and does not put a …

Hello, i'm here to ask you for some help, i have done several applications/games in different programing languages, most of them without planification. For example,i wrote a five-in-a-row game in C++ with A.I (simple heuristic functions) without making sketchs or things like that, i started programing just to see what …

I have a working code that exports the datagrid into XLS. However, the datagrid results does not show on my aspx (html) page. It only shows on the page when I comment out the part that exports it to xls. I am not sure whether it should show by default …

when i click on a column on which editor is attached , the getselectedrow return -1 ...... I have also tried list selection listener but nothinhg work properly.... i dont think it need code.... Please help.....

can any one help me in solving a question posted by friend..... i tried to google but i didnt find the accurate answer for my question.. i wish to 'print 1 to n' without using loops and recursion help me please.. thanks in advance

Hi The error I stated in the title appears when I try to run the following code in Eclipse. I have created the Table which is named as "Emp" in Microsoft SQL Server. I can't find the error I have done here, and I googled but nothing helped me.. Plz …