Software Development Forum

Hi, is there a way to get the FTP Welcome banner (not the welcome message, but the banner)? What I'm trying to do is to discover several AXIS security cameras over a network using FTP. When I try to FTP into a camera using cmd.exe, the camera answers like: C:\>ftp …

hi, I am recently very curious to know how I can make a connection between two computers which are not in a local network. I googled a lot but there are always solutions for local IPs Now I know that I should make a server and a client to send …

Hey guys! I am recieving this error on the code posted below: "Operator '&&' cannot be applied to operands of type 'int' and 'int'. I do not understand why this is not working. is there a workaround or a better way I should be doing this. Thanks in advance! C2, …

Hii.. I am doing project in java and i want to convert it to c#.is it any option available? Thank you..

Hello all! I have hit a small bump in my development of a program I am working on. Basically what I need to happen is this; for each item in the listview it executes a SQL query to input values into a database. In this case it pulls the quantity …

Hello guys ! Hope you're doing well. I have faced a problem in declaring linked lists inside a linked list. I made a picture because it speaks more than 1000 words  Here's my structure declaration: typedef struct author *link; struct author { char name[20]; link next; link down; …

Hi guys, So I'm busy writing an application that needs to update a list from the web after a certain amount of time. main.py file class Gui: def ...... def ...... def ...... def on_update_click(): update() app=Gui() Gtk.main() So when the program loads up, user will click the update button …

Hi, I'm writing a small C program to clean the radius radacct table, removing ended sessions records and inserting on a separated database. The problem is that MySQL C API doesn't have an easy way to insert the result of a query on another database/table directly, you have to build …

#include<iostream> #include<math.h> using namespace std; int main() { long int t,n; cin>>t; while(t--) { cout<<"abc"; } return 0; } i am getting run time error for t>10000. how to solve it. range of t>1000000

hey people, I've been experimenting with some new (for me) java techniques, like keybindings. i've got a small app, where the bindings work fine, untill i press a JButton with actionListener. the actionListener doesn't do anything at all, but keybindings fail after i press one of them. here's my code …

**i have problem in setting an alarm program, when i write the code to set with the alarm with the system it did not goes through so what should i do to fix the problem. pls i need to fix it if you can send me the code i will …

How can I make my program generate random number between two given integers ? I use `srand ( time(NULL) );` `x = rand() % i;` to generate numbers modulo i. But I can't figure out how to generate between two numbers, suppose 1 and 3.

Hi guys ! Anyone familliar with planetsourcecode? I downloaded a simple inventory sysyem and calculator to study the codes. But I don't know how to open them using Eclipse.. Help me pls ! Thanks!

Well I have a background in using Java 3yrs ago, a long time. We've used Jcreator for school. Now I want to review and study Java again but I saw too many types or kinds of JAVA and I am confused. What JAVA can you recommend? And what application should …

how i can make the cell on my DGV linked to other DGV ???

Hi All, I am trying to run a second script from my first script and this works ok i can send it a variable and recieve back my answer however I am using Tkinter for my forms but when i start the main my program both scripts run although i …

i want to design apps and software any kind of software for desktop computers.. like photo editing software video editing software basic software with photo effects etc

I have a project where I need to get and count distinct values in tags in an XML document. If you look at the XML, I am specifically trying to count the distinct number of WorkOrderNumbers for Tuesday. Later I will do Monday and so on. I have tried the …

Hi All, I am developing a Java Swing application where I am using MS Access database. The problem is when I want to move this project to another location or machine or workspace, I need to change the data source properties in "Administrative Tools". Is there any work-around for this …

#include <stdio.h> #include <stdlib.h> int i=-1; main() { int a[30],n; printf("enter the no of terms: "); scanf("%d",&n); store(a,n); } int store(int a[],int y); { if(i==y) { return \\it should return and terminate exit(0); } i++; printf("enter the number: "); scanf("%d",&a{i]); store(a,y); i know i had made a mistake but where …

i have made a queue using STL. the queue contains strings only. how to check for a particular string if it present in queue or not?

can we store array value like this a[-50]; a[-49]=80; a[-2]=90;

Hello Everyone. I am making a tool in which I want a button to do the following job e.g; A=(1,2,3) Signature Guide B=(1,2,4) File Signature In short I am making an antivirus, every thing is done, except "clean" button. I want that the clean button should do the following job. …

Hi, I have several functions that I'd like to operate on both mutable and immutable containers (mostly tuples vs. objects) and I'm looking for the optimal way to test for mutability in these objects. I can think of many ways to do this. For example: try setattr: do mutable stuff …

Hi everyone, I'm new here. I have a problem and I hope someone can help me with it. Actually, my problem involves arrays but its about the Gregorian Calendar class. I am trying to output a series of concentric circles . I have created two classes with two different types …

Hey, I was hoping someone can help me convert a piece of php code, im not really sure where to start pack( 'v', $test ); The pack php function above takes in an integer and converts it to an unsigned long. V - unsigned long (always 32 bit, little endian …

I keep getting "None of the 6 overloads could convert all arguments". I only get this problem in visual studio though. When I compile with g++ or codeblocks, it works perfectly fine. The code I'm calling my templates with is: `MemDeSerialize(ListOfItems, SerializedData, size_t(Data[2]));` The definitions: template<typename T> void MemDeSerialize(T& Destination, …

Hi, I have load data method as follows: public List<SalesOrderHeader> Load_SaleOrderRelatedInfo() { try { using (var context = new AdventureWorksEntities()) { return context.SalesOrderHeaders.Include("SalesOrderDetails").OrderBy(so => so.SalesOrderNumber).ToList(); } } catch (Exception ex) { throw ex; } } and method for data binding: public static DataTable Binding_SaleOrderInfoRelated() { using (var services = new …

For Windows Mac Linux etc How Do I make awesome applications and what do i meed to know when designing them? like what skills do you need?

Given the trace program below. I basically need to store a 1 or a 0 to the corresponding `a[r[i]]` the problem is I need to be able to keep track of the index of vectors zero and one to check the last index that was used for each vector. For …

Hello, I'm trying to read the header information of a .wav file and I'm kind of stuck. Basically, the header information is located at different offsets in the file. So for example: (0-4) = ChunkID (4-8) = ChunkSize (8-12) = Format .. .. .. .. .. .. From this: https://ccrma.stanford.edu/courses/422/projects/WaveFormat/ …

What are some safe sized datatypes? Inother words, stuff like size_t, uint32_t. They don't seem to change no matter what machine I use. I'm asking because the confusion comes in here: I'm not sure when to use long vs int. I did a sizeof(int) and sizeof(long) and they are both …

Hello all! I have used this forum many times in the past to solve a variety of programming related problems, but am truly stumped on a segfault within a binary search tree. I have isolated the segfault to a fscanf statement that look legitamate to me. The following code blocks …

Say I have the below example, the syntax is based off constuctor chaining for clarity (and my cluelessness). public static void Feed() : this("Unknown"){} public static void Feed(string FoodType) { if (Food != "Unknown") Console.WriteLine("{0} eats some {1}.", Name, Food); } How would I actually implement this for methods? It …

I need some help on how can i put some Event handler on my Button mybtn using code. private void button1_Click(object sender, EventArgs e) { Button mybtn = new Button(); mybtn.Text = "First"; FlowLayoutPanel flowlayoutpl = new FlowLayoutPanel(); flp.Controls.Add(mybtn); panel.Controls.Add(flowlayoutpl); }

I made a simple program - conservative sequence integers with a sum, for example input: 15, the output should be 1, 2, 3, 4, 5 I made this program in c++ and it worked successfully, see below: #include <iostream> #include <string> using namespace std; int main() { int num, i, …

Hello, I need some help with these simple questions. I am a first year IT college student and I do not know how to apply math.pow to these statements. Given the following expressions, re-write them as Java expressions using some parentheses to indicate a sequence of operator evaluation. 1. v …

Hi, i'm working on a grid, where the data can be saved, modified and deleted from the grid and effects in the database. I have a problem,i.e after I enter data in one row and goto the next row, the next row automatically gets filled by the same data as …

I have a dataset (GrindItems) with 4 datatables successfully populated from dbf files. If I understand the concept of a dataset, I no longer need an open connection to the source db and I should be able to query my dataset. My first question is whether I need a Connection …

Hello, wondering if someone can help me. I'm working with a .wav file, and, I need to collect the header information. The header contains (roughly, 20 bits/bytes) before the actual data. And, each of this data is contained at different locations in the file. I need to read a particular …

In DataGridView, how can i input data then add row

A question that I came across: Q: Can you pass a double to a method when it's argument is a float? A: No. Regardless of the double value, a double-sized variable is too big to fit in a float, so it can't be implicitly cast. Doubt: Shouldn't narrowing happen implicitly?

#include <iostream> #include <string> #include <cmath> using namespace std; //global varibals: char entered_characters[9999]; int direction_of_rotor1; int direction_of_rotor2; char alphabet_of_rotor1[26]; char alphabet_of_rotor2[26]; char rotor1_backward(char Letter); char rotor1_forward(char Letter); char rotor2_backward(char Letter2); char rotor2_forward(char Letter2); char print(char print_char); int main() { cout << "This is enigma machine:" << endl; cout << "*NOTE:This …

Hi everyone well currently I am working on a simple malloc and free implementation but I am facing some problems . I get a segmentation fault this is my output inserting node 0 0xc87000 inserting node 1 0xc87014 inserting node 2 0xc87028 inserting node 3 0xc8703c inserting node 4 0xc87050 …

Hello I am new here as well as with vb2008xpress and I have a question. I have a datagridview with 12 columns and 30 rows I want to use as a scoreboard for a game (no need to input or save data). Columns are for the players and rows for …

class Nines { public static void main(String[] arguments) { for (int dex = 1; dex <= 200; dex++) { int multiple = 9 * dex; System.out.print(multiple + " "); } } }

I currently use this to serialize data, write it to shared memory so that another program can reconstruct it and use it: template<typename T> void Serialize(unsigned char* &Destination, const T &Source) { CopyMemory(Destination, &Source, sizeof(T)); //Destination += sizeof(T); //Not sure if to add this or not. } template<typename T> void …

soooo. i saw a working code for a hindu arabic - roman numeral converter. the thing is. i need to fully understand the code. so i need someone who could explain the code clearly to me. line by line as for me to fully understand the program. newbie here. you …

Hi, I have an object subclass that I am using with a cusom __repr__() method. class NewClass(object): def __repr__(self): return ', '.join('%s=%s'%(k, v) for (k,v) in self.__dict__.items()) This works fine (leaving out some more details about my program): test=NewClass(a=1,b=2) print test a=1, b=2 But what I really want for reasons …

I am trying to implement periodic boundary conditions for 2d lattice. I did: int boundary2d(int xpos,int ypos,int stepx,int stepy){ int x=4,y=4; //grid size int **matrix; //the grid matrix int i=stepx+xpos; int j=stepy+ypos; if (i<0) { do { i+=Nx; }while (i>Nx-1); } if (i>Nx-1) { do{ i-=Nx; }while(i>Nx-1); } if (j<0) …