64,152 Solved Topics
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| | Hi Everybody, FYI (In order to get a feeling with the time it takes to send command strings to signal generators via a GPIB bus, I want to send a voltage level high pulse to an oscilloscope. Ones the RF signal arrives via a detector diode, The pulse and the … |
| | OK, so I want to thank all of you that helped me with my little problems within the past few days,I have almost come to the end of this project thanks to your suggestions. Now the thing is, I used ObjectInputStream & ObjectOutputStream to write down whole objects to a … |
 | private static void randomNumber() { int rand; int min = -10; int max = 10; System.out.println(" "); for (int i = 0; i < 10; i++) { rand = (int) (Math.random() * (max - min + 1) ) + min; System.out.print(" " + rand); } System.out.println("\n"); } can anyone explain … |
| | Hi all, I need to build a upload-download system similar to mediafire. Is there some customizable open source systems available, which i can download and cuztomize or I have to do it from start. What all things to be take care about. In my case atmost 500 MB of collective …  |
| | Hello all, I am making one application in which I need to enter the start and stop time in textbox. I have used masked text box. I want to check that Stop time should be greater than Start time and also the time entered should be in valid time format …  |
| | Hi, i have a table with a list of items, each of which has certain values. I want to have a set of checkboxes for the values and another for the items, so the items can be filtered by selecting different values. My question is: will this be better done … |
| | hi all ! In my web application for bus ticket booking i want to use session. Here i m describing the flow of my application briefly------------ (1) My first jsp page is index.jsp and after submiting this page it will go to servlet SenndBusInfo.java for processing. Here i am creating … |
| | hi! How to get session object so that it can be used as Double.  |
 | How do get a dll's resources By resources i mean the stuff that you can put in like Images,files,icons ect. How to you call the resources:) |
| | Hello all, i have a question regarding a mysql populated selectbox, i managed to fill this with data from a table, but now i want to show the selected value from another table ( with the same value of course). here is my selectbox now: [CODE]<select name="project" class="selectbox" tabindex="1"> <?php …  |
| | Hello DaniWeb kings and queens - Here is a simple jquery .animate block here's the code: [CODE] <!DOCTYPE html> <html> <head> <title>TestingJ</title> <meta name="description" content="Mseed Web Design" /> <meta name="keywords" content="web design, programming, scripting" /> <meta name="author" content="Eric Karen" /> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> <link rel="stylesheet" type="text/css" href="/css/global.css" /> <script …  |
| | Hi everyone hope you can help me with this issue, I'm trying to make a login system that is object oriented so I have the following classes: [INDENT] [LIST] [*]MySQLDB: Peforms all database operations, adding/removing members, checking passwords and usernames, also performing querys. [*]Session: Performs Session actions(log in/out, keeping track … |
| | Hi is it possible active touch support on high level item`s(form , list , ... ) ? thanks |
| | I know it's one of those programming languages thought of as an easy thing to learn (or so it seems like it). My problem is not with the difficulty of learning the language, rather the outdated guides and the problems with Python 3.2. So I looked into a book called …  |
| | I want a forum for a website, and I like this system best. Is this forum open source? If so, where can I download it? |
| | is this good practise or even possible as i'm not on my comp. [CODE] class C3dshape { private: int mLength; int mWidth; int mDepth; public: int getlength(); int getwidth(); int getdepth(); void setvalues(); }; int C3dshape::getlength() return mLength; int C3dshape::getwidth() return mWidth; int C3dshape::getdepth() return mDepth; void C3dshape::setvalues() { length …  |
| | Hi, I am writing a program that is to behave as a web server. Both the client and the server code are on my laptop. Ideally, I should be able to type in 127.0.0.1: PORT/index.html in Firefox and the server code should reply appropriately. So far my browser and the … |
| | Hello, I have a class that pulls account numbers from valid_accounts.txt and is supposed to take each number and put it into an array. In my driver program, I should be able to call the method of the class that pulls the information and populate it into my array created …  |
| | Hello, I made a class and now I want to store instances of those classes in an array. I looked it up and found it was as easy as: [CODE]className arrayName[x][/CODE] When I tried that I got this error: [B]error: no matching function for call to 'archerTower::archerTower()'| [/B] My class: … |
 | Has anyone tried this? My general dilemma is having to open and maintain multiple connections across multiple forms. I have an MDI application and I would prefer to store the connection in the parent form and just have the child forms use that connection if it needs it. This normally … |
| | So I have a program scenario for a postman who carries out an experiment: 1. He has mailboxes numbered 1-150 all of which are 'closed' 2. Starting with mailbox 2, he 'opens' all even-numbered mailboxes, leaving all others 'closed' 3. Next, beginning with mailbox 3,goes on to 'open' every third … |
| | hey guys.i have one realy big big problem.. My programming teacher gave my a task to get these functions to work, but i dont know python program so good.. thats why maybe someone of you could help me, and make these 3 functions to work .:).. please!! these lines are … |
 | im going to try and explain this as easy as possible, this is something i have never done with .net before there is a login form at [url]http://www.ritani.com/salespersons/login[/url] it uses the post method to login. i have a web browser control in vb.net that I want to have automatically log …  |
| | For the past 12 years I've lived in mortal, cowering, abject fear of one particular feature of the Visual Studio 6 C/C++ IDE, and that is the 'Find' feature on the 'Edit' menu where you can fill in the textbox to find a symbol in your file, and then click … |
| | I am using a details view and sqldatasource to update information in my database. I keep getting this "Incorrect syntax near 'nvarchar'." Error and from what I have researched this is because there are spaces in my table field names and the table name. Here is some code: [code] <asp:SqlDataSource … |
 | Howdy y'all, Got a question, why were here right, I have a page that is server side - no html included all php - I need to call/include a javascript function to handle a rather complex parsing routine but I am not sure how I go about calling the function … |
| | I need help with this. At the end of the semester, students often wish to know what grade they need on the final exam to get an A in the course. Write a program that prompts for the user’s grades on exam 1, exam 2, and the homework and from …  |
| | can someone tell me how to get the [U][B]icon[/B][/U] of a webpage. i can get the icon of a webpage and set it as an image but i want to take it and set it as the icon for my application. here is the code to get the icon and … |
| | Hello I have a form containing saveral textbox name1,name2....name50 & father1,father2........father50. what is the best way for desigining and submiting this form and stored in mysql thank u |
| | The following assignment would work [CODE]float a=3;[/CODE] But the following won't :[CODE] Float a=3;[/CODE] Shouldn't 3 be automatically promoted to float (as widening conversions don't require an explicit cast) and then Boxed to Float type ? Is it because of a rule I read in Khalid Mogul's Java book ? … |
| | How can i identify the error whether it is compile error or runtime error ? |
| | Hey everyone.. I do not know if this is the correct spot to write this but here it goes.. I hate Java.. Its a pain to learn for me.. I know some C++ and VB.net and basically my question is, Is there any compilers or anything out there that can … |
| | Hi, I'm mechanical engineering graduate student in Portugal. I'm familiarized with c++ but I've been having problems with the windows forms. I'm trying to make a form that would compile diferent data with inviscid fluid flow formulas but I've got one major problem. I've done hundreds of google searches and … |
| | Hi! Please, explain me why JTextField: txtFirstName and JTextField: txtLastName are not visible on my JPanel: panfortab?! I can see only JTable: tableDetails. [CODE] private void createBaseRight() { JPanel panfortab = new JPanel(); panfortab.setBounds(330, 150, 650, 795); panfortab.setVisible(true); panfortab.setOpaque(true); panfortab.setBorder(bord); FilterClass fc = new FilterClass(); fc.setVisible(true); panfortab.add(fc); pan.add(panfortab, "Right"); // … |
| | i am doing a problem.the problems was that what do the following code prints class printing{ public static void main(String[] args){ for(int i=1; i<=10; i++) { for(int j=1;j<=5;j++) System.out.print("@"); System.out.print(""); }} This code prints infinte "@" and after some second the printing starts to slow down. when i do through … |
| | Please, somebody help. I need to transform xml into xml with xsl. it´s urgent. the attach files are the input in XML and output is what the prof. want. Help-me please Corin thanks  |
| | I need to use document.write() in XSL. Will it work ? Please help |
| | I wrote a very simple vector class to call level 1 BLAS through MKL, [CODE] #include<mkl.h> #include<stdexcept> #ifndef _x_matrix #define _x_matrix class xVec{ private: double *v; int n; public: xVec():n(0),v(0){} xVec(int a):n(a),v(new double[n]){} xVec(int a, double c){ n=a; v=new double[n]; for(int i=0; i<n; ++i) v[i]=c; } ~xVec(){if(v) delete[]v;} double &operator()(int … |
| | Hej guys! I have a little problem with layouting Swing components. I just need to add JTree: tree to the UPPER corner of JScrollPane: scrollpanesearch, and 4 buttons to the BOTTOM corner. What I have now is JTree: tree on the LEFT, and 4 buttons on the RIGHT (see Figure … |
| | Good afternoon, I've got an assignement where i need to set up a parent class and a child class with .cpp files. When I try to call the a function in the child class i get and undefined reference error. I'm able to initialize this class using the default constructor …  |
| | Hi you can customize it the problem is that when i put 5 it say to low then when i put 6 it say to high or any numbers pls help me.. [CODE] #include <iostream> #include <cstdlib> #include <ctime> #include <conio.h> #include <cmath> using namespace std; char ans; int main() … |
| | [CODE]//************************************************************************************ // // This program keeps track of speakers' bureau. // It displays a menu, where the user can add info, // view the info of another speaker that's already in there, // and etc. //************************************************************************************* #include "stdafx.h" #include <iostream> #include <iomanip> #include <cstdlib> using namespace std; //************************************************************************************** // function … |
| | I have a PHP page on my site that (almost) continuously loops and sleep()s. While this page is looping and sleep()ing I cannot load another page from my site until the looping page has finished and returned a result for me. Is there a way to get around this? Is … |
| | Hi, I have a gridview that displays all the users from the ASPDOTNET database and I have some buttons that I can display other details and also edit and delete a user. The show button seems to only work on every other row. The fail message is the following: [CODE]Object … |
| | Hi There, For some reason I need my form to be submitted twice (in one go). Is there any way to do that instead of submitting once go back and submit again? My form based on PHP and Javascript... Thanks! |
| | Hey all I have this program that is supposed to output a stickfigure. I got this from my game programming elective class (which I now regret enrolling to) and the professor told us to work on it in a way that the class called "example" with the function render should … |
| | The font size is 28px. How do i change the font size to 12px onfocus? i tried below but it isn't working. [code] <textarea name='content' style='font-size:28px;' id='content' onfocus='font-size:12px;'>test</textarea>[/code] |
| | Hi i'm doing some php i make login page where i check if user put right information i redirect him/her to index.php where session starts and other things occur.But when i put right username and password it not going to index.php else it coming back to login.php again. Here is … |
| | Hey guys, wasn't sure where to post this but i posted it in both categories. Converting the for loop is probably the most confusing for me especially the arrays. Hope you guys can help me out, thanks. [CODE] #include <iostream> using namespace std; int main() { int Function[10][2] = {0}; … |
| | Hey guys, wasn't sure where to post this but i posted it in both categories. Converting the for loop is probably the most confusing for me especially the arrays. Hope you guys can help me out, thanks. [CODE] #include <iostream> using namespace std; int main() { int Function[10][2] = {0}; … |
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