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33 Posted Topics
 | I'm trying to do a simple a database SQL script where I simply need tocreate a database as well as 4 tables within. So far I'm getting a very annoying error that states: There is already an object named 'DEVICE_TYPE' in the database. Why, I don't know? Any help regarding …  |
| | I am quite new to SQL but I was wondering how to achieve the following. How do I get specific values that fall in the year 2013 when the date format in the table is looking something like this: 1 94 pH 02-02-2012 11:48 AM 1200001 2 103 pH 09-06-2012 …  |
| | I want to know how to achieve the following: I want to convert a varchar to a date format but so far I'm not very successfull... My date (varchar) looks something like this: 02-02-2012 11:48 AM And I want to convert it to the following this: dd-mm-yyyy To be able … |
| | Hi guys, I'm getting a simple error and I need your help. I want to display every object in a list by returning that object as a string but I'm getting the following error: The name 'myBikeList' does not exist in the current context My code: List<Vehicle> myList;//= new List<Vehicle>(); … |
| | Hi guys, I Googled this till the end and can't find a solution to this. What I want to do is the following - I have Runners with attributes like their Name, ID, Position and Time. All those are added for each runner in a listbox, seperated by commas. Like …  |
| | Hi all, I'm trying to access a list in a class made in another class and display it in a listbox but its not working. I most probably have to make a small change to be able to get it to work. So please check in the code if you … |
| | Hi everyone, I want to know if its possible to do the following: I have 2 users and 2 forms. When user A (Admin) logs in on the Log In form, the Main Form appears with ALL its buttons enabled (For editing purposes). BUT when user B (Normal user) logs … |
| | Hello, I was wondering if you can supply me with information regarding the following. I have two forms - form A and form B. In form A I must choose two teams using two comboBoxes for each. When I click "Continue" which is a button - I want to be …  |
| | Hi all, I was wondering if you can help me out with this. I have a dataGridView with a couple of books saved on it. When I click on a book, the book's story loads in a richTextBox. When I change that text and want to save it I want … |
| | What I want to do is add videos to a list available for rent. In the “main” form when I click “Add” then the frmAddVideo appears where I need to insert all the video’s information. (This works 100% but…) In the frmAddVideo form there is a comboBox with values “Yes” … |
| | I am currently working on a small project. How it works is a passenger must book where he/she wants to sit on plane. Using a DataGridView he/she can pick a seat except in the ilse. The DataGridView has 7 columns and 5 rows. The ilse is occupying the whole 3rd …  |
| | I have troubles trying to display a list of items/objects in a array. What I'm doing is I'm adding students with a name, surname, age, and marks for subjects (Properties) to an array. If I added 4 students in this manner to the list I want to display all the … |
| | Hello all, What I am doing is the following: 1. Receiving an expression 2. Instantiating Variables 3. Convert the expression from infix to postfix 4. Evaluate the expression. Now, in my evaluate function the following operators are working: + - * / and ^ I am having trouble to get … |
| | 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(),"#"); }  |
| | 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 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 all, I am getting 3 errors when I try to use stacks when I want to evaluate a postfix expression. I am not very experienced with the usage of stacks so please be patient with me. Here is my code: //The postfix parameter is a postfix string that was … |
| | I am trying to transform a infix mathematical expression into a postfix expression using the shunting yard algortihm but can only get so far by writing the pseudo code because I know exactly what to do through logical thinking but can't write the code that will help me do it. … |
| | I am working on how to convert a infix to postfix expression and then calculate that converted postfix expression. I have the following thought process on how to do this. 1. Receive a infix expression (Through the main file) 2. Instantiate the variables in this expression through a function called … |
| | Hey all, I was wondering about this piece of code on how to make it simpler to find the needle in the haystack for example "abbaabbaabb", "abba" - the needle, "abba" is found 2 times in the haystack "abbaabbaabb". I have this code: unsigned int substringCount(const std::string& strng, const std::string& … |
| | Hey everyone! I have a members.php page/file in which i want logged in users to see the other users registered in the database. I'm not exactly quite sure how to do this and I'm struggling quite a while now with this so your help will be VERY much appreciated. I …  |
| | Can you perhaps tell me why I'm getting this error? I'm trying to upload a image to a database through php and I'm getting this error the whole time in my picUpload.php These are the errors I'm getting: [CODE] Warning: move_uploaded_file(avatars/beetgejo.jpg) [function.move-uploaded-file]: failed to open stream: No such file or … |
| | I'm struggling very hard to get this to work and I don't know what I'm doing wrong. I have a register page that I want to take the data inserted into the form and INSERT it to the database with jQuery and AJAX. I'm not very experienced with AJAX AND … |
| | Hi fellow programmers! What I want to do is this... * I have a list of registered users * next to each user is a link "Add as friend" * user_1 clicks the link to add user_2 * user_2 now needs to confirm or deny the request WILL THIS TABLE … |
| | Hi everyone! Ok, let me quickly explain what I want to achieve. I have two tables. The first table is Requests and it looks like this [CODE] +------------------------------+ | Requests | +----+-------------+-----------+ | id | user_from | user_to | +----+-------------+-----------+ | | | | | | | | | | … |
| | I want the post_delete column to generate unique id's so that when I want to delete a comment for e.g. I can refer to the post_delete's value. [B]Here is my users TABLE[/B] [CODE]CREATE TABLE users ( user_id INT(8) NOT NULL AUTO_INCREMENT, user_name VARCHAR(30) NOT NULL, user_pass VARCHAR(255) NOT NULL, user_email … |
| | Hi! So I managed to upload the picture via php to a folder BUT my problem now is that I want to INSERT the location path of the uploaded picture to the user's pic_location in the database and I don't know how the query will look if I want to … |
| | I'm using sessions to receive my info from my database table... But I'm not quite sure how to get a image because if I just say this: [CODE]echo "<img src='" . $_SESSION['pic_location'] . "' />";[/CODE] I only get like a little black dot thingy. I don't know if one could … |
 | Yo philly! try something like this: [CODE]$server = '127.0.0.1'; $user_name = 'root'; $password = ''; $database = 'yourdatabase name'; if(!mysql_connect('127.0.0.1','root','')) { if(!mysql_connect('localhost', 'root', '')) { exit('Error: could not establish database connection'); } if(!mysql_select_db($database)) { exit('Error: could not select the database'); }[/CODE] and remember to say [CODE]include "file.php"[/CODE] in every file … |
| | Hey everyone! I'm currently busy learning jQuery and developing a jQuery slideshow and I have a few problems just with the scrolling of the thumbnails of the images. I want to click on a thumbnail to show me a 'larger' version of it and the thumbnails must scroll with buttons … |
| | Hi everyone! I'm really struggling at the moment calling these two functions. The one function checks that all the fields are filled in and the other to validate the date in a certain format. The function that checks all the fields works but when I try to call the second …  |
| | I'm new to C++ and here's a simple assignment. I'm not sure how to pull this off... ANY help will be appreciated . Here's the code for the assignment... You have to implement a function called approachPi that takes no parameters, and has the return type double. This function returns …  |
| | Hi there everyone!! Struggling a bit with some Linked Lists combined with copy constructors as well as operator overloading. Here is the code of the header (.h) and the implementation file (.C). Hope that you can help! [CODE] /////////////////////////////////////////////////////////// ////////////////// //////////////////// ////////////////// Queue.h //////////////////// ////////////////// //////////////////// /////////////////////////////////////////////////////////// #ifndef QUEUE_H #define … |
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