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 | I recently came accross this code: Mat3D R_z(double RotAngle) { const double S = sin (RotAngle); const double C = cos (RotAngle); Mat3D U; U.m_Mat[0][0] = +C; U.m_Mat[0][1] = +S; U.m_Mat[0][2] = 0.0; U.m_Mat[1][0] = -S; U.m_Mat[1][1] = +C; U.m_Mat[1][2] = 0.0; U.m_Mat[2][0] = 0.0; U.m_Mat[2][1] = 0.0; U.m_Mat[2][2] = … |
| | I'm working on exception handling. Here is my code, I need some help.. Requirements: => If the user push a value to stack when stack is full,it must throw an exception of type "cInvalidPush". => If the user pop a value from stack when stack is empty , it must … |
| | Im using this code to get image from SQLITE try{ String sql = "SELECT Photo FROM Pics WHERE InvoiceNumber=?"; pst = conn.prepareStatement(sql); rs=pst.executeQuery(); if(rs.next()){ byte[]imagedata = rs.getBytes("Photo"); format = new ImageIcon(imagedata); ImIc.setIcon(format); } }catch(Exception e){ JOptionPane.showMessageDialog(null, e); } `private ImageIcon format = null;` String filename = null; int s=0; byte[] … |
| | a robot is programmed to move forward 'F' meters and backwards again say 'B' meters in a straight line .the robt covers 1 meter in T units of time on robot path there is a ditch at a distance FD from intial oposition in forward direction as well as a …  |
 | The following on the attachment below are the page feeds with its comments returned by facebook PHP sdk and Graph API. What I want here is to get number of comments per user on each feed. Here are the codes $helper=new FacebookRedirectLoginHelper($url); try{ $session=$helper->getSessionFromRedirect(); if(isset($session)) { $request=(new FacebookRequest($session,"GET","/357971644373038/feed"))->execute()->getGraphObject()->asArray(); $comment=$request["data"]; $counter=count($comment,1); …  |
| | newTextBoxDiv.after().html('<div id="hoteldiv' + counter + '">'+'<input type="text" name="tripdetails[0][hoteldetails][' + counter + '][name]" id="textbox' + counter + '" value="" >'+ '<input type="text" name="tripdetails[0][hoteldetails][' + counter + '][number]" id="textbox' + counter + '" value="" >'+ '<input type="text" name="tripdetails[0][hoteldetails][' + counter + '][address]" id="textbox' + counter + '" value="" >'+'<br><br>'+ '<input type="text" name="tripdetails[0][hoteldetails][0][contact][' … |
| | Hello, I wonder how we can use lock objects between 2 different applications. In the example below we can use lock objects to let only one thread to execute the code inside the lock object at a time. This works fine within one application. Now I wonder how we can …  |
| | Hi j I have a question and I am wondering if it can be answered. the question is, how do you calculate a teaching allowance and nis from the hours of work and rate of pay in java. |
 | Hi Php'ers, I'm new to Php. I have some issues INSERTING date to MySQL by PHP. here's my code snippet: //date format $date1 = mysqli_real_escape_string($_POST['j_avail']); $d1 = date('Y-m-d',($date1)); $date2 = mysqli_real_escape_string($_POST['j_expir']); $d2 = date('Y-m-d',($date2)); the query: $sql = "INSERT INTO table (....,j_avail,j_expir) VALUES (....,'$d1','$d2')"; the HTML: <td id="ititle">Availability :</td> <td><input … |
 | At my current job me and the rest of the staff that work in my area are uisng a lot of files that when opened look like PDF files but there not. They're actually .exe files and the the program that opens them is called Omni Form Mailable Filler. I've …  |
 | Hi All, I am trying some experiments with pthread scheduling policies. I have a couple of apps and within all these apps, I set the thread policy to SCHED_RR and I set the priority to MAX - 1. Now, I see that the CPU utilization as reported by top for … |
| | this is the code I create to import pics select image: JFileChooser chooser = new JFileChooser(); chooser.showOpenDialog(null); File f = chooser.getSelectedFile(); filename = f.getAbsolutePath(); file_picker1.setText(filename); try{ File image = new File (filename); FileInputStream fis = new FileInputStream(filename); ByteArrayOutputStream bos = new ByteArrayOutputStream(); byte[] buf = new byte[1024]; for (int readNum; …  |
 | Hi all! Whenever I am working with my code in my main.cpp file, I can call character-handling functions like * isdigit * isalpha * isspace * toupper without importing the `cctype` library. However, my C++ How to Program Book shows that the cctype library must be imported before the functions … |
| | How do I import some values from .txt files to a VB.NET DataGridView and then store them on a SQL database? I don't need all file values. I don't know how to get words after ; or ;;; or 1 SPACE or 3 spaces, and after the loop is finished …  |
 | I found that one can use dictionaries to hold Tkinter widget config and display parameters. This then permits one to have these dictionaries elsewhere in the code for easy modification instead of buried within the code for each widget. I particularly like to place these dictionaries toward the top of … |
| | I have been learning NumPy arrays/matrices in Python. As I worked, I found that I desired a more readable form of 3d matrices. So I figured that writing one would be a good goal and learning exercise. The goal was to create a function that would print 3d NumPy matrices … |
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| | i need some help concerning the encryption and decryption i have a login table on my microsoft sql server 2012 but i want to do the encryption and decryption remember i have 5 departments and i want to direct each username and password to a specific department form that i …  |
| | hi:) can you help me on my project .. what features can add on a security system ? |
| | can anyone explain the meaning of Void in java..even though i referred many books,not able to understand clear as i am a learner.. |
| | function getImage() { $session_data = $this->session->userdata('sessiondata'); $id = $session_data['user_id']; $this->db->where('user_id',$id); $r=$this->db->get('tbl_usrs'); if($r->num_rows()>0) { foreach ($r -> result_array() as $row) { $data[] = $row; } } $r->free_result(); return $data; //print_r($data); }} //class ends hello everone i am new to php codeigniter while displaying image from database i am getting error Severity: …  |
 | Hey guys, I am looking into xbrl files and I need to extract certain data from each of them however, I can't find much information on the existing python-xbrl library, perhaps someone in here has an experience with it? Here's an xbrl file example [Click Here](http://regnskaber.virk.dk/14502803/eGJybHN0b3JlOi8vWC1GMDk4RkNDNi0yMDE0MTIzMV8wOTE2MjFfMDk1L3hicmw.xml) Any ideas/solutions on how … |
| | I have added form1 and on it 2 text boxes. text box1 to accept fromdate and textbox2 to accept todate. After this,I added Crystal report from Add new Item. Then in Crystal report I added table and its columns. After that I wrote code behind form1. The code is not … |
| | Dear brother Sorry for my bad english Please help me in this case I import with big data to Datagridview It's take long time, and i want to using progessbar for wait I try to do this But it's seem not good Please help me Thank you so much! `Inline …  |
| | Hi to all. I am a newbie to PHP programming. In my project I'm having a student registration form. In that page I've populated checkboxes from database values for students who wants to enroll more than one classes. Everything got done. Now I need to give edit option to student … |
| | I get sick in finding error in my code i want to display a image from database having field profile_picture which has value like upload/large/imagename.jpg but i can't able to display it main thing is nothing is printed when i echo or print from controller when i view page source … |
 | Hello, Please as at this morning everything was fine, but all of a sudden all data record wiped off from 3tables in my database, now my client can't find records. Am using MYSQL, Visual Basic. Thanks. |
| | Good day to you all, I ham having an issue the the following error (Fatal error: Call to a member function fetch_result() on a non-object in on line 167) which is the while ($row = $result->fetch_object()) every way I try to change this another error crops up. If yo can … |
| | As part of a class in Java, the constuctor is supposed to throw a java.lang.IllegalArgumentException exception when an integer that is a field in the class, let's call it int N, is set to a negative vale. How do I set this up? |
 | Hi all, does anybody know of any good guide for beginners to write twitter bots? I had a look around but I couldn't find anything terribly good. Does anybody have any suggestion, something that starts building very simple bots thanks |
| | #include<iostream.h> #include<conio.h> int main(void) { void hello() { cout<<"HI"; } getch(); return 0; } I am getting an error at line 6 stating that declarartion syntax error. What do I do?  |
| | Hi guys, I've run into something interesting and I'm a bit stumped with this. Basically I have a form: <form> <div class="formWrapper"> <span>Refine your search</span> <input type="text"> <select> <option>English</option> <option>French</option> <option>Dutch</option> </select> <button class="submitButton" type="submit" data-ajaxurl="http://localhost/_myFile.html" data-ajaxtarget="#myFile_search" >Search</button> </div> </form> and some bootstrap pagination links: <div class="bootstrap_pagination"> <ul> <li class="active"> … |
 | In the last couple of threads people have used the Python class, but really don't seem to know how to use them properly, or why to use them. Hence my question: "Why would you use a class in Python?" I though only Java forces you to use OOP. |
| | Okay so let me start by saying I have a pretty decent c++ base and very advanced logic skills. So whatever help you will have to provide will probably be minimal. So here's my problem: I've been trying to figure out the best way to organize all my Magic: The … |
| | Respected members, I have this code chunk that should read multiple text files from a folder. I am later calculating their probability. For one file it is working fine and methods are also showing output. The first code is for ONE FILE named as English.txt. BufferedReader reader = new BufferedReader(new … |
| | How do you implement the open/close system calls on linux using C? What go's into the open file table? How do you create file's and delete file's? |
| | try{ String b = jTextField1.getText(); String sql = "SELECT * FROM DataImput ORDER BY InvoiceNumber=?"; pst=conn.prepareStatement(sql); pst.setString(1, b); rs=pst.executeQuery(); jTable1.setModel(DbUtils.resultSetToTableModel(rs)); } catch(Exception e){ JOptionPane.showMessageDialog(null, e); } finally{ try{ rs.close(); pst.close(); } catch(Exception e){ } } } this is the code I work to search. it actually work. but really weird. …  |
| | I set up a servlet project in eclipse and I am trying to connect a Access databasae(Ucanaccess) with it. By looking at below error, its look like I am missing jar files but if you take a look at attchement image. You will see all my jar files are in … |
| | User will enter a date, for example "7/1/2015". Than I will check in database and return some result if match. Note in database there is data/Time but user will enter only date. Below I have a following database set up Table = "workStartTable" |----|------------------------| | ID | StartBy | |----|------------------------| … |
 | [CODE]using System; using System.Security.Cryptography; using System.Text; public static class Encryption { public static string Encrypt(string input, string key) { byte[] inputArray = UTF8Encoding.UTF8.GetBytes(input); TripleDESCryptoServiceProvider tripleDES = new TripleDESCryptoServiceProvider(); tripleDES.Key = UTF8Encoding.UTF8.GetBytes(key); tripleDES.Mode = CipherMode.ECB; tripleDES.Padding = PaddingMode.PKCS7; ICryptoTransform cTransform = tripleDES.CreateEncryptor(); byte[] resultArray = cTransform.TransformFinalBlock(inputArray, 0, inputArray.Length); tripleDES.Clear(); return Convert.ToBase64String(resultArray, … |
| | Hey guys, I need some help with my code, I have a trouble with checking on two different strings as I want to check if the string in the variable `$program_times` are equal to `PM` and `$next_program_times` are equal to `AM`. When I try it, it will show nothing and … |
| | I am trying to get in the habit of practicing coding on daily basis. I decided to try do do tic tac toe in powershell. This took my a rediculous amount of hours to finsh. I am glad to be done. Nest projec will be something more useful like automating …  |
| | Hi Everyone, I am a newbie to PHP programming. I just need to update the status when user click delete button. Here is the piece of code that I tried. When I echo the values of $mode and $id it prints properly. But the update query block doesn't working. <?php … |
 | Hello i have three colums which i want to make users can upload pictures/videos and automaticly to add to one of the colums but i cannot figure out how to do that... here is the HTML code i have <div class="main"> <div class="row"> <div class="col-md-3"> <div class="panel panel-default"> <div class="panel-body"> … |
| | hello, I want to store image path in database along with image name like /uploads/profilepic/name.jpg. what happening is only path is beinged saved not image name like field in my table prfile_picture has updated /uploads/profilepic/ but i want image name also after trailing slash so that i can retrieve that … |
| | Good day, I am a PHP beginner, but have managed to set up a shopping cart on my jewelry website (with the help of video tutorials found online). Everything is working well, but I need to add a text box to my product page where people can add the engraving … |
 | Hi Friends. I am facing Microsoft ODBC Driver error at run time in my program. I am using window 7, jdk 7 and Ms Access 2007. I am using "jdbc:odbc:JdbcOdbcDriver". I am giving code and error message below. Please tell me solution of this problem import java.sql.*; public class JdbcDMLEx2 … |
| | Hi Guys, As part of an online store, I have a dropdown box where the user selects a size. If the user selects size L then the 'add to cart' button needs to link to a page different than if the user selected size M. I figured out that I … |
| | Hi there, I have have a challenge with my application. I am developing it using VB.Net and SQL server 2014. My database contains 2k plus records. I used to search and return the results very fast when the database was still small. The problem now is that whenever i try … |
| | hello,everyone i am trying to access user id from database in session data but no success till now?? //Controller function upload() { $user_id = $this->session->userdata('user_id'); //set preferences $config['remove_spaces']=TRUE; $config['encrypt_name'] = TRUE; // for encrypting the name $config['upload_path'] = './upload/'; $config['allowed_types'] = 'jpg|png|gif'; $config['max_size'] = '10248'; //load upload class library $this->load->library('upload', … |
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