Software Development Forum

Hi Guys, Any body knows what is the efficient way to create the map (key,value pair ) using linklist using c .Apart from this in this map one key can have multiple values and i need to display those values. I don't want implementation in c++. example string1->"james" string1->"mike" string1->"harry";

Hello friends, I want to develop a video conferencing project in java.For that i have spent some time to try recording video in java.But i finally thought to get some help.I have tried using JMF.My system OS is Windows 8.1 pro 64 bit.Any Knowledge would be helpful. Regards.

Kindly suggest to create a company presentations in c# window form

Last post 2008???!!! So, I guess I won't expect much in 2014... In VB, I would change the name of controls often. I'd start with textBox1 and later change it to txtInput or whatever. C# doesn't like this. When I do this, I get errors that the control with the …

I want to know how I can do this: 1. Find "sqrt" in a string 2. Replace "sqrt" with only "#" I have the following code but its not working. Why? size_t found = 0; found = modifiedExpr.find("sqrt"); if(found!=std::string::npos) { modifiedExpr.replace(modifiedExpr.find(sqrt),sqrt.length(),"#"); }

HI, I have a class1 and Class2 which is generic class and when i create object for class2 which should be able to acces class1 method which is MethodA() please advise.Thanks in advance namespace generics1 { public class B { public void methodA() { } } public class A<T> { …

Hi, I have a DataGridView with a table loaded onto it. I have nine textboxes which will serve as a search feature for the DataGridView. What I want is that once text is entered, it goes through the relevant column filtering data as per what is inputed. This works perfectly …

I have written some code to make an outlook addin, which is working great. Except that the to field from outlook is displaying the contact na,e instead of the actual real address. IE it is displaying geoff instead of someone@gmail.com unfortunatly I want the who address not just the shortened …

Hello, I am making a program, when I click picturebox, some text appears on the form. So I got that part right, I am clicking picturebox and text is appearing, but the problem is, that I dont know how to clear that text one by one after certain amount of …

It's been a few days since I had the time to dig into java, now I went to eclipse and all I see is errors .. Here is a picture. Any ideas how to fix it? That is just weird because it says no build path was found while i've …

Hi! I was doing my exercise of C Language. In the exercise I was encountered by a question in which author says you to perdict the correct answer; I was uable to perdict it, so I compiled it to get the answer, the source code is this: #include <stdio.h> int …

Hello How can I get minimum number of coins for a given amount. I have fixed denominations of cents - 25, 10, 5 and 1 If I have 0.67 then what will be the minimum numbers coins I need Thank you all in advance for valueable advices and suggestions

Dear friend i want to be a developer. please tell me where form i can get easy and friendly tutorials of ASP.NET with c# and MVC. Thanks in advance.

how to stimulat Ctrl+alt+i and Ctrl+alt+n keyboard key press in vb.net?

**Hi I am new here, I am learning Python, but I am mess up on this script and it keep asking the same input question... please help thanks.. ps how do you do What you name in pygames??? Justin** #SET UP GAME import random # named veriables s="Strengh" hp="Hit points" …

Hi! I am using Data Grid View to display the data from my database. This code works properly. It displays the data. This code is inserted in the Form_Load of the form. Dim cmdCount, cmdGet As New iDB2Command Dim daGet As New iDB2DataAdapter Dim dsGet As New DataSet Dim sqlCount, …

Me being a master noob and making a triangles color change with a console. link to program its shwelf[Click Here](http://www.mediafire.com/download/fwlqbb471ewwsw0/Debug.rar) Public Class main Inherits Windows.Forms.Form Protected gfx As Drawing.Graphics Protected thePoints() As Drawing.Point Public Sub New() InitializeComponent() Console.WriteLine("Form seems to be functioning so far.") End Sub Private Sub InitializeComponent() Me.SuspendLayout() …

I only started learning Python a few days ago, so as a beginner, what IDE should I be using? Should I just start with IDLE, then move on to something else when I'm more advanced? I've been using Pycharm for the past few days, I didn't know if that's an …

Hi again, so guys I want to add some color to my text but all the explanations I find are some links to complicated ways of doing it with almost no explanation of the operators functions and so on. Could you show me an easy way to make for example …

Hello to all! I am using compiler Dev C++ but i am facing a problem in with it. Sometimes it happens that if i try to run one program , it displays the output of another program instead of required program. For example I have two programs named as "Pointer" …

how can we fetch the system time regulerly irrespect to the another part of the program? how it's possible to do so actually its a validation in a game,but i dont have an idea how can be implement.

Hi, Please help me write this C code as i am clueless and helpless in C programming Write a C program, which allows the user to enter a valid filename and then prints the file content to screen, two lines at a time. The program should pause after displaying the …

Let me explain what I want to do: I want to change a expression like this: x * (2 + 3) - (y + 1) to this: 5 * (2 + 3) - (6 + 1) using this: instVar('x', 5); instVar('y', 6); The problem is I get the following output: …

I haven;t even started learning perl yet, I know languages like java, c and python, but is perl even worth learning? I mean it's a preety old language (what am Isaying age dosen't matter, think of how much C is still used) but the thing that I meant is that …

I am trying to create a window with a custom background after playing with the different styles, to practice declarations and destroying objects for future reference. Whenever I try to compile the code I get the following errors: "undefined reference to CreateSolidBrush@4" and "undefined reference to DestroyObject@4". Where in my …

i am writing an automation script in Perl which logs into the server and executes various commands and functions.This Perl script mostly uses "send expect statements and for loops " to run the commands. This Perl script is a back end script which i have written. i have to build …

Please help me. The following program builds and compiles just fine however when I try to execute it it stops before getting any output, displaying "The instruction at "0x77c48a0b" referenced memory at "0x00000014". The memory could not be "read"". I also get the following when the debugger reaches the point …

IQueryable<CustomObject> obj = (from table in db.TableName orderby table.ObjectId descending select new CustomObject { //Properties mapped here }).Skip((pageNumber - 1) * pageSize).Take(pageSize); The above is a stripped down version of the query I am running. It is missing about 10 joins and then just the bulk mapping of the object, …

This thread was started in [Click Here](http://www.daniweb.com/software-development/java/threads/482431/adding-controls-to-a-background-label-and-structuring-the-source-code), and I created this thread in hopes of making it easier to find. I have been working on a program that creates several controls dynamically in a LayeredPane.The code to add all the controls to the Pane has gotten really long. Is there …

Hi, i am trying to extract values based on range of dates. Why i am getting this error Invalidcastexception was unhandeled **Conversion from string "SELECT * FROM TBLRequest where T" to type 'Long' is not valid.** for below string **FlexString = "SELECT * FROM TBLRequest where TBLRequest.PrDate >='" &** **Date.Parse(TxtDateFrom.Text) …

Hi, i have a encrypted video in hard disk.how to decrypt that video file and without storing it into anywhere direct play in windows media player or vlc embedded in my windows application. is there any method to play a video from a memory stream? after my decryption function i …

I learned how you can use the switch statement to make the program go through the stuff inside and choose the one that matches the condition set. Isnt that basically what "if" statements do? so does this mean we can completely replace 'if' with 'switch'? because it seems way more …

Hi! Could you help me initialize or load the data into a Data Grid View Control using iDB2 Connection? I've tried this code I've seen from the net but it does not seem to work :( I am initializing the connection using form_load and not in the Properties Window. Imports …

Hi, i'm developing an app with python where I need to link it to MySQL? Can somebody tell me how I would do that? Anything would be gladly appreciated!

Im am having abit of trouble with a while loop. I have this method which determines wether or not the entered year is a leap year, the while loop is intended to keep asking the user for another year until he/shes wishes to exit the program. Here is my method: …

I know this may seem a bit like nitpicking, but would it make any difference to use public int foo() { if (myInt == 1) return 2; if (myInt == 2) return 1; return 0; } or public int bar() { if (myInt == 1) return 2; else if (myInt …

Is C++ worth learning for webapps? I know python and it works well, so would it even be worth it to learn c++?

For the past while, I have gotten comfortable doing things a particular way when it comes to inputting data: i) create text file whose first entry is N, an integer indicating the number of data entries following, and the actual data entries. For example, for 101 data values, the text …

I have this control on my (wpf)form Status <TextBlock x:Name="Status" HorizontalAlignment="Left" Margin="138,0,0,0" TextWrapping="Wrap" Text="TextBlock" VerticalAlignment="Top" Grid.ColumnSpan="3" Height="67" Width="577" Grid.Row="1" IsHyphenationEnabled="True" UseLayoutRounding="False"/> It seems that just setting Status.Text=someValue from within a click event does not refresh until the event is completed. How can this be done (in C#) if one wants …

Hi, having code placed below, I cannot clue out, how to convert query in FilterData() to a dynamic query. Any ideas how to do it? Thanks in advance for any hint. Martin public class Item { public DateTime SampleDate; public List<String> Columns = new List<String>(); //this stores all columns } …

**Introduction** Hi guyz today I am going to writing a tutorial on dictionaries in Python....As per as getting comments from my readers I'll try to make this tutorial short.... **Layout** 1.What are dictionaries? 2.Why dictionaries? 3.How to declare/make dictionaries in Python? 4.What all you can do with a dictionary? 5.Interesting …

I am getting errors when I'm trying the following: instantiateVariable(string startingExpr, char var_, int val_) { int sizeArray = startingExpr.length(); //Convert the int into a char/string int number = val_; string newChar = ""; ostringstream temp; temp << val_; newChar = temp.str(); //Searching for the variable in the array for(int …

hello,i have one application in vb net where i have 2 datetimepickers and one button and one datagrid. When i press the button a sub is called(below) and it is supposed to take the datetimepicker1.text and datetimepicker2.text and display the existinf records between these dates .The column that stores the …

I have to do my project using C++, should I firstly read a book about that and after that write the programming, or it's better to start wtiring my code and solve my problems and questions at the same time?

How to copy a word table multiple times to a specific place using VB.Net 2010? I have viewed the other responses and these seem just not to work. I am working on a VB.Net 2010 program using the Interop class. We are having problems trying to duplicate a table more …

Hi everybody i am trying to implement the 'create new button' function for my desktop replacement but i have a problem with mouse coordinates.. this is the idea: I have FORM1 which is the main form, where i right click in a point of my choice and capture the X,Y …

Hey all, I am trying to implement a remote keylogger into my reverse tcp connection program but IM not sure where to start, I dont usually deal with socket programming so I dont understand giving remote commands, so Id like you guys to either give me a few links or …

What are interfaces main purposes and what features do they offer to give us a solid reason to use them?

You pros are once newbies like us. Hoped you might take a little time sharing your expertise. Got freaked out when our teacher gave us this activity, where she haven't taught this to us yet. So this is the activity (LOOPING) : Write a program that accepts a positive integer. …