Software Development Forum

ok, I'm sure the answer to this is very simple.. there may even be some component in the os package to do this... I want to do what the code underneath seems like it would do.. I understand it does not, and when I try to run the code, I …

hello all, I have a program, and in it, it eventually specifies 'aFolder' to be os.walk(path/to/folder) how do I obtain inifo such as the name or the path of the folder, is it then the temporary current working directory?

sir i have a problem in the c program. [CODE]switch(ch) { case 1: t=a+b;break; case 2: t=a-b;break; case 3: t=a*b;break; case 4: t=a/b;break; default:printf("invalid no:"); }[/CODE] when i execute the program and the any choice the comipler skip to the default statement. is it any problem in the syntax. sir …

Hello, I don't know anything about C# and want to learn it. If anyone could please tell me the quickest way to learn C# in few days, I'll really appreciate. Thanks and Regards.

I just read in K&R that a function, even if not defined as void, need not return a value. To test I wrote a quick power function and I'm getting reproducible yet unexpected behaviour: [code]✈demios:cliC$ cat power.c #include <stdio.h> int power(int x, int y); int main() { printf("%d\n", power(2,5)); return …

Hello All, New to Python, I keep getting an indentation error after the if (yescheck == todcheck): line. Any suggestions? As far as my python knowledge goes, I've got it correctly aligned, but clearly not. Could some of you try running this, see if it goes? [code=python] import os yesfile …

Either nobody in the world from the myriad of forums and discussion boards I have been to knows how to do this, (which seems unlikely, as this does not seem a complicated procedure) or none of those people know how to answer a question concisely and in a straightforward way. …

i am doing a project in which i simulate symmetric encryption in routers.so hav to store secret keys for mac encryption in a symmetric matrix.how do i do it?????????should i convert them to strings and then store strings in a matrix??????? URGENT HELP NEEDED!!!!!!!!!

I use Visual Basic 2008 I use bound Datagridview I use mysql database If i run this code, everything on the screen ( in the datagridview) [COLOR="Green"]neatly Updated[/COLOR]. But when I look at records in the table [COLOR="Green"]"stock"[/COLOR] always the first row (0) of the DataGridView [COLOR="red"]not updated [/COLOR]in the …

I want to provide report facility in my software.... I have seen jasper reports , crystal reports and many other.... In all of them i like crystal reports because they are easy to make.... can anybody tell me how to connect crystal reports with java app.... I dont have any …

Hi there all, First of all, I need to say that I'm so happy to join you... Second, I have a problem... First I created a form page with a constructor that fills the listbox in it... As you can imagine all stuff begins after filling it... However, a friend …

I thought to post some not quite so trivial as it looks quiz for Python, to test if your brain has Python installed OK ;) Try to figure out what interpreter answers (#? lines), then check with your Python interpreter of choice: [CODE]>>> a = list(range(10)) >>> a[1:1] #? >>> …

[CODE] void findFacesInMesh() { multimap<indexPair, int> mapface; multimap<indexPair, int> ::iterator it, it2,it3; pair<multimap<indexPair, int> ::iterator,multimap<indexPair, int> ::iterator> rangeit; int ip1, ip2; for(int k=0; k!=cells.size(); k++) { for(int i=0; i< ( cells[k].getNbPoints() ); i++) { if(i== (cells[k].getNbPoints()-1) ){ ip1=cells[k].getListPointsIndex(i) ; ip2=cells[k].getListPointsIndex(0);} else {ip1=cells[k].getListPointsIndex(i); ip2=cells[k].getListPointsIndex(i+1); } mapface.insert( multimap<indexPair, int> ::value_type( indexPair(ip1,ip2), k) …

Hello, I'm trying to run an object on Python with ROS. When I run the code with a variable inside the object: [CODE]class lk(old_image): ....then some code def main(args): rospy.init_node('lk', anonymous=True) old_image = lk(old_image) try: rospy.spin() except KeyboardInterrupt: print "Shutting down" #cv.DestroyAllWindows() [/CODE] [ICODE]Traceback (most recent call last): File "/home/aadejare/ros/omnisensor/nodes/lk.py", …

Hello everyone, I have a std::map that includes individual ID and a struct that contains father and mother information, read from a file "ped.txt". This file has the format: ID - FATHER - MOTHER. Some fathers or mothers don't have IDs as individuals. The code bellow is an example to …

i want to detect if listview has been updated eg: there are listview1,listview2 and a button1 .u can send items to listview2 from listview1 .if the listview2 has an item button1 will enable if the listview2 is empty button1 will disable what is the suitable event for this?? (there is …

I need to read a .txt file into a list and then pass one element of the list to a method and return to the main loop, run through the loop again and pass in the next element... Thanks [code] File file = new File("pathToFile.txt"); List<String> contents = FileUtils.readLines(file); do …

I started learning python3 some 3-4 days ago.My ultimate aim to learn this language is to design web apps(eg apps to automate account creations for seo etc.) For this i guess i will have to use django or turbogears for this, but now i came to know that django or …

Hi Guys, What is the scope of the exception variables when I catch them by reference. [CODE] try{ throw AnExceptionObect("Exception message"); } catch(AnExceptionObect &exp){ logger << exp.what(); //logger is a dummy object throw; //what will happend now? is it going to be throwen by value? and what if I catch …

Hey guys, As you can see below I am trying to add row of data to a table called tblOut. When i execute the code, it works without a single error message but the problem is I dont see any new record when i preview my table data. Can anyone …

Hello everyone! Please am developing a web application using vb.net with visual studio 2010 and .NET framework 4.0. its complete but i want it accessible over the network (LAN) so i have tried to host it on the local server (IIS) but i keep getting the following error message from …

hello all i have been writing the java code and new to C programing.I am very confused in point.i have the following code [CODE]#include<stdio.h> main() { int *ptr=50; printf("%d",*ptr); return 0; } ~ ~ [/CODE] why it is giving the segmentation fault.and when i print ptr then it gives value …

So I need to make a table where all the records in my ACCESS database will reflect. The table should be editable. the table should have the basic functionalities such as ADD, EDIT and DELETE. I also need to make a search where a user can type what he/she wants …

hi i am working on servlet using eclipse IDE .i have attached html form. I am unable to format drop down list. how to do it. how to align the drop down list.please help.

Hi, How to write into excel sheet using oledb connection or how to export dataset into excel sheet using oledb connection. Iam using console application in vb.net. If there are any alternate ways to write into the excel files from dataset.

hi everyoen i've a matrix array with some value, i want to shaw each of them in matrix type in my form, how can i do it? can i use DataGrid view for this? and if yes ... what is method..

This is my program, but it is giving me an error stating a Operator '*' cannot be applied to operands of type 'double[]' and 'double'. Can some one tell me how to fix this program. The Chart-A-While phone company provides service to six codes and charges the following per minute …

How do I invoke the int operator < instead of the int* operator < ? [CODE] vector<int*> pVec; std::sort(pVec.begin(),pVec.end(), /*????*/); [/CODE]

hi, i have this code: [CODE]#include <iostream> #include <fstream> #include<cstdio> #include<cstdlib> using namespace std; int main (char argc) { for(;;) { fstream myfile; myfile.open("example.txt"); cout << "1: Write" << endl; cout << "2: Read" << endl; int n1; cin >> n1; if(n1 == 1) { string n2; getline(cin,n2); myfile << …

OK geniuses! I have to use python 2.4 and 2.5 here and my programs ideally work with both versions. This area of code was working in 2.4 and 2.5 versions until replacing my computer. Python did not get ported over so I reloaded with new downloads from the web. (both …

The following code is for a standalone applet that calculates a shipping rate based on a selected shipping method. Normally, the program would read the total price of purchases from the website but for the sake of this exercise, the user will enter the price on the applet. [CODE=java]import java.awt.*; …

I am getting this error when i try to connect to the server... Hot to rectify it... "This version of Microsoft SQL server Management Studio Express can only be used to connect to SQL Server 2000 and SQL Server 2005 servers. (Microsoft.SqlServer.Express.ConnectionDlg)

Still working to figure this stuff out :) My question is, is it possible to set a combination of columns with a unique constraint? For example: [CODE] ColumnA | ColumnB ----------------- Value1 | Value2 <- OK Value1 | Value1 <- OK Value2 | Value1 <- OK Value2 | Value2 <- …

I am trying to install SOL Server 2008 but, I have not yet been able to get Windows Powershell that is compatible with Windows Vista Ultimate ...... Please help !!

Hi all, I am generating a html report displaying the records. In that report their are 10 rows and 4 columns. In 4th column i am adding the button. Now i want to use button click event i.e onclick() . 1) how i call the javascript function/Javascript. 2) how can …

hi, why explicit cast is *not* required here? [icode]static Float f3 = new Float(5.5); //causes compile-time error b'se, by default floating-point literal type is double[/icode] but requires here, [icode]//static Short sh1 = new Short((short)12); static Short sh1 = new Short(12); //causes compile-time error b'se, by default integer literal type is …

Hi everyone; I need some help Im want to write a WIndows service C# app which will check some urls and choose the one with the lowest ping (the one with high data transfer speed) stream data from that server, and alse check all other servers and write in log …

Dear All, I am new to VB2010 and writing a MDI child form to open another form as dialogbox, then pass a value back to the MDI child form, the value is successfully passed back to the MDI child form but it can't be shown on a text box, my …

Hi to all... I am getting a warning, i am trying to avoid that but its not sorted out..Please suggest me to avoid that warning. my code is as follows.. [CODE] const char var[][2][5]={ {"1.95","3.70"}, {"2.40","4.60"}, {"2.70","5.70"}, {"6.60","13.40"}, . . . . }; void fun(int col,int row,char *str) { ... …

Hello guys, please could somebody help me...there is a problem with logic in my loop with pretty the same structure in methods: [B]public void isMember()[/B] and [B]public void deleteMember()[/B] Compilator ignores the scanner and directly goes to else statement and puts it in the loop 10 times... [CODE] import java.util.*; …

Hey guys, I was wondering if there is a way to group controls together without using any containers such as panel, group box, or container. Thanks

Hi, I have a code that writes data to excel using setcontentype(application/vnd.ms-excel) Now I want one of the columns to be formatted to currency. I do not intend to use any additional jars(POI, etc). Is it possible to achieve the task. Thanks

Attached is a visual representation of My Array that was used in my VB6 program the dimensions are: [CODE]Dim MyArray(5,30) Option Base 1[/CODE] I am using an ACCESS DataBase to populate the array. Using the For Next Loop I can access any position within the array such as a individual …

[code] #include <stdio.h> main() { int ctr, bin, quotient, deci=0, binary,octal,hexa; float rem; char mark_magic; clrscr(); do { clrscr(); quotient = 1; binary = 1; gotoxy(32,3); printf("-=< MAIN MENU >=-"); gotoxy(15,5); printf("from any Number System to Decimal System conversion"); gotoxy(5,6); printf("------------------------------------------------------------------------"); gotoxy(5,7); printf("------------------------------------------------------------------------"); gotoxy(26,9); printf("[A] Binary System"); gotoxy(26,11); printf("[B] Octal …

Could anyone tell me the different between this two? I try to learn the C++ and i'm a newbie on it? Any recommended books or website to learn C++? Thanks in advance...

Hi!, I have a formProd and a dataGridView in it. I want to access the dataGridview of formProd from formMain. [CODE] foreach (Form form in Application.OpenForms) { formProd prd = (formProd)form; if (prd is formProd) prd.itemsGridView.DataSource = DS.Tables["product_Header"]; }[/CODE] this gives me InvalidCastException. can any one tell me how to …

Hi, im new to c#.When i execute the following code i get "vshost.exe has stopped working" message. Firstly i insert some data to a table in sql server 2008.then i want to retrieve the MAX(Mem_ID). My insertion is working properly. But when im trying to retrive MAX(Mem_ID). It gives above …

So guys here is my situation. There is text file.Which contains some strings.They are all comma separated. What i wanna do is just read the text file and print individually those strings which are comma separated. Suppose the text file contains: dog,cat,bird,good,bad,blah,blah,blah etc.... The python script should print dog cat …

hi Dears, i am very very new in programming and i have a problem with inserting something into table, this is when i connect it with database iam able to read everything in database, private OleDbConnection myCon; public Form1() { InitializeComponent(); myCon = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\Aidi\Desktop\AccessDBase\WindowsFormsApplication1\WindowsFormsApplication1\Students.mdb"); } i have create …

i am using python idle in windows7 to run my program. whenever i try to run the program i get an syntax error as unexpected indent. the code i am trying to run is as follows: [CODE]def print_lol(movies): for each in movies: if isinstance(each,list): print_lol(each) else: print(each)[/CODE]