Software Development Forum

Hi, I had write a script in perl to randamize hex value and get the results as attached. Which is decimal value-----hexadecimal value. If i want to get randomized hexadecimal value 0x12c8xxxx but not 0x12c80000, what can i do? (where xxxx is not zero but with some hex value) I …

Hello All, I would like the user to be able to choose the file_name (assuming it already exists) and be able to append information to it. However, this condensed version, below, of what I'm trying to do gives me a compilation error. I feel like it has something to do …

Hey I'm using a dbexpress to connect to a mysql server, that works. I then do a query and from that assign values to variables. Now my issue it that I can't seem to find a way to read a 'NULL' value from the Database and assign it to a …

How would you safely round a floating point number to the nearest integer ? Python has the built in function [icode]round[/icode], but it returns a floating point number [code=python] >>> round(4.9) 5.0 >>> help(round) Help on built-in function round in module __builtin__: round(...) round(number[, ndigits]) -> floating point number Round …

#include<iostream> #include<string.h> int main() { char* str="my name"; /*plz explain what is pointer-name,and what is string- name here(realy confused) ? i am new to pointers :) */ int len=strlen(str); char* ptr; ptr=new char[len+1]; /*is this ptr pointer or string*/ strcpy(ptr,str); cout<<ptr; delete ptr; /*how this works */ cout<<endl<<ptr; /*this 'ptr' …

Hey! Again, small but devious problem for me: I have a string that gets time as an input, in a format like "9.45" or "15.37". How do I extract the hours and minutes to integer variables, when the hour part may consist of either one or two digits? If it …

In line 32 which is the lttr[ctr] = read.next().charAt(0); wont read all the letters that i input. it only reads the last letter that i entered. what should i do to be able to display all the letters i entered and be able to reverse there order so that they …

Write a program to convert the month and days into number of the days for year 2010. Example: Input Month and days: May 16 import java.util.Scanner; public class A129323{ public static void main(String [] args){ int i = 0, numberOfDays = 0, sum = 0, previousMonth = 0, count = …

Hi there, I have a question regarding datagridview in C#, when a form loads I have given the command to add a new row to the datagrid view , and in that datagridview there is a combobox and has items In it.when the form loads I want one item in …

Hi...m just a beginner...could anybody tell me from where i could find a gud tutorial for pic16f84.............. thanx anant

I'm fairly new to VB Scripting, i have written a vb script that will check to see if out look is open and it is not it will open it. i want to a some code in that script that will allow it to run every 5 minutes un till …

I am writing a macro, which will take an excel sheet as input, process the data and after processing the data, will create a new excel sheet with the processed data. In the input excel sheet, there will be some blank row, which I need to be ignored. But i …

Hi, Is it possible to allocate memory using malloc() (C) and release it using delete (C++) or even the opposite Alocate with new (C++) and release with free() (C) If not Why?

I have three as 1.Contacts --> contact_ID, contact_name 2.Members --> contact_ID, Group_ID 3.Groups --> group_ID, contact_ID I want to SELECT contacts_names from Contacts where some Group_ID such that all the contact_IDs belong to one group_ID in table Members. In short I want to Group my contacts. Please Help

I have a program that works fine under windows, but when i run it on Unix I get a very slightly diffent set of results, followed by a 'segmentation fault' message. I'm at a loss to explain why. Any ideas?

Hi, I have a question regarding the date time in C#. I want to get the date and the time in two digit 4 as 08.45am 27/07/2010. How can I get it like this. thankxxxx

I've a 2-d array declared as such [CODE]lower_tri = (float **)malloc(sizeof(float *)*(dimention)); for(i =0; i < dimention; ++i) lower_tri[i] = (float *)malloc(sizeof(float)*(i+1));[/CODE] So that it looks like... [] [][] [][][] [][][][] ... However, it causes a segmentation fault when I try to de-allocate the array with [CODE]free(lower_tri);[/CODE] (only in unix, …

Here is my practise with [URL="http://www.boggled.org/"]boggle [/URL]letter square non-overlapping word finder after some drastic debugging and cleaning. I think it is reasonable speed also. Comments wellcome.

Ok, just as my topic says, I'm having trouble why it cannot consider negative multipliers. Code below: [CODE]//Multiplication by Repeated addition #include<stdio.h> main() { int k, l, m, n; printf("Enter Multiplicand: "); scanf("%d", &k); printf("Enter Multiplier: "); scanf("%d",&l); n=0; for(m=0;m<l;m++){ n=n+k; } printf("Result is: %d", n); printf("\nThank you for using …

Im a doing a project using vb6.. How do i generate the data report for the project.. Your help will be much appreciated fourty.

So I know that the standard file filter code goes something like this: [CODE]FileNameExtensionFilter filter = new FileNameExtensionFilter("JPG & GIF Images", "jpg", "gif"); [/CODE] That example obviously applies for pictures, and the extensions it searches for are .JPG and .GIF. What if the user, however, has files with no extension? …

Hi All, Am new to this area, it would great if any one help me on my request. I would like to retrieve each words co-ordiantes (x,y axis) from a jpg file, which is scanned hard copy. I know this can be done with the help of OCR sdk's. But …

Please help, I am new at vb.net and pretty terrible with very little knowledge. I have a checkboxlist(chklst) with 6 colors. I have 6 labels...Label1, Label2, etc... When Button1 is clicked, I would like to have list item1, if selected, to = Label1.text I would like to have list item2, …

I have problem in printing i send the print but the blank page comes code i am using as follows: [CODE]Dim linesPerPage As Single = 0 Dim yPosition As Single = 0 Dim count As Integer = 0 Dim leftMargin As Single = e.MarginBounds.Left Dim topMargin As Single = e.MarginBounds.Top …

hi there, i have some binary data (zip files, music, etc..)stored in a database, how can i start those files in memory without saving them to HDD..or even to temp files folder... thanks.

Hey guys I'm trying to debug a program which gets values from a Sybase database and exports those data to a Excel Worksheet, all is fine but when there is a value '001' from the database the exported valued to the worksheet is a null character. That is strange so …

Hello, I need to print the contents of a Windows Registry folder (Display Names). I have posted what I have started with and would appreciate some help. It returns a null value at this point, even though there are items in this folder. Thank you. [CODE] import java.lang.reflect.Method; import java.util.prefs.Preferences; …

[CODE] SqlCeDataAdapter adp = new SqlCeDataAdapter("select * from gmembers where GID = "+current_group, con);[/CODE] What I was trying to do is to Select all the records from table gmembers where GID is a string variabe. I would also like to mention that actuall data type of GID is INT. probably …

Hi, im just a beginner in C++ and was wondering what exactly are pointers used for? Are they just to refer back to something or are they used differently than that? I was reading through the chapter on pointers in my programming book and it doesn't really clarify.

Hello I have this problem in pascal: I want to include a variable in file name while assigning a text file to variable of textfile. Example: I have a text file called 'numoffiles.txt' with one integer number in it I read it and set variable a to that number in …

Hello! I am trying to run the code provided in the texttable module documentation ([URL="http://jefke.free.fr/coding/python/texttable/"]http://jefke.free.fr/coding/python/texttable/[/URL]) as shown in the code, but it returns a name error which tells that Texttable is not defined. [CODE]import texttable table = Texttable() table.set_cols_align(["l", "r", "c"]) table.set_cols_valign(["t", "m", "b"]) table.add_rows([ ["Name", "Age", "Nickname"], ["Mr\nXavier\nHuon", 32, …

Hello folks, I'm a little stuck and any help would be appreciated. Basically what I'm trying to do is have the user enter a pin or password, connect to a database and check whether that password is in there, if it is the program will switch to a new form. …

I am using a custom ListItem class in order to fill a windows forms combobox (in DropDownList style). I am filling the control fine, but how do I get the id (NOT the name) upon cmbProgramName_SelectedIndexChanged? [icode] public class ListItem { private string id = string.Empty; private string name = …

[B]Background: [/B] I'm extracting values from a file which is sometimes an xls and sometimes an xlsx file. An xls is easily read with xlrd, but xlrd nor any other Python library (as far as I could find) supports xlsx, so instead I'm using[URL="http://github.com/dilshod/xlsx2csv"] xlsx2csv[/URL] to convert to csv and …

I have a little problem... I use a MS database in my program.... I want to enable the user to backup the database that I use to a specific location that they choose.... Any suggestions? Because I'm lost..... Oh its in Delphi 7

Hi All, I just created a simple displaying of photos in a CLR window form application just like a slideshow of photos. With the code below that is within a button_click, however the form will displayed only the last pic (picgen(3)) after all the sleep time of 4.5s. What should …

hi all, i need to read coordinate from a .txt file to draw lines , here is the example of the file [code=txt]1E20, 1E20, 1 154.0872,3703.414,1955 178.458,3719.069,1955 239.8909,3753.263,1955 1E20, 1E20, 2 2480.712,105.5662,1950 2486.905,144.5641,1950 2512.991,215.5622,1950 [/code] lines 1 to 4 is line 1 coordinate lines 5 to 8 is line 2 …

Hello every one, I am new in C++ and I have a new project. I have a text file with numbers that are coordinates x,y The text files´s format looks like this: X Y 234 5678 343 3456 193 235 and so on Steps, 1.- Put all this file in …

Hi! I'm trying to figure out if it's possible to graph a piecewise mathematical function using Python where the limits of the function are dependent on another variable (i.e., if a > b, graph f(x); if b > a, graph g(x)). I've been trying to google stuff about graphing, but …

what is the easiest way to create a button using pygame.

hi everybody!!!! I am really new to vb.net and I wish to know how to embed Google maps into one of the forms of my project. help please.

Hi there! this an excerpt from an extracted pdb file my team has done in the format of a text file. ATOM 1 N ASN A 2 [B]18.668 27.299 52.379[/B] 1.00 41.19 N ATOM 2 CA ASN A 2 [B]19.400 26.674 53.492[/B] 1.00 40.18 C ATOM 3 C ASN A …

Hello. I am currently creating a software that requires the detection of "cheating." While my software is open, players will not be allowed to have certain types of content open. Ex: --- Lets say that my software, is a Chess Server. In order to prevent cheating, my software must be …

Hi all I am receiving these errors when compiling my code, I am new to C++ programming and have trouble with the actual writing of codes. Here are the errors I am getting. I am not looking for an answer but a step in the right direction to get the …

I am trying to release a console program I made, and when I tried on another computer it did not work, It told me I needed to download a .dll, I downloaded it, and it gave me some other error. So what am I missing, What do I have to …

[B]Hi wonderful programmers,[/B] [B]I once again need help. First i need to create a class where if the input is a vowel , it returns true and if not it returns false.[/B] [B]i am just learning java, but also just learning classes, methods etc. I know I have to call …

Hello. I am having a little trouble with enabling and disabling word wrapping in a normal edit control. [CODE] hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL | ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL, 0, 0, 100, 100, hwnd, NULL, GetModuleHandle(NULL), NULL); // This is how my …

I am trying to do simple insert, update, delete, select statements within VB .NET to access a MS Access database. I have tried all kinds of solutions offered on the web and while the code seems to work, no rows are inserted. Also, I have tried, unsuccessfully, to use the …

I have this great little program that I have made in the JCreator IDE. It has four class files. All of the classes are in a package called org.jfree.panning. They are listed as follows: XYPLOT.class* PanningChartPanel.class PannableXYPLOT.class Pannable.class * = Main Class There are also four .java files corresponding to …

Here is what I have so far. I understand the middle portion of it. I'm just having a hard time understanding which variables to stick in the voids. [CODE]#include <iostream> #include <iomanip> using namespace std; //function prototypes void getFahrenheit(); void calcCelsius(); void displayCelsius(); int main() { //declare variables int fahrenheit …