709 Topics
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| | While lunching the application in TOMCAT 5.5 and JDK 1.5 I am getting below exception could some help me in resolving the issue Jul 25, 2012 4:12:50 AM org.apache.catalina.core.ApplicationDispatcher invoke SEVERE: Servlet.service() for servlet jsp threw exception java.lang.NoSuchMethodError: javax.servlet.jsp.tagext.TagAttributeInfo.<init>(Ljava/lang/String;ZLjava/lang/String;ZZ)V at org.apache.jasper.compiler.TagLibraryInfoImpl.createAttribute(TagLibraryInfoImpl.java:572) at org.apache.jasper.compiler.TagLibraryInfoImpl.createTagInfo(TagLibraryInfoImpl.java:401) at org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.java:248) at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:162) at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:418) at …  |
| | #include <iostream> #include <cmath> #include <string> #include <cstdlib> #include <cstring> using namespace std; int main() { char chouseing_alphabet[27]={'a', 'b', 'c', '\0'}; string abc[27]; cout << "This program encrypts messages using Ceaser Cipher\n"; cout << "NOTE:capital letters are not allowed in this program\n"; cout << "\n---------------------------------------------------------"; cout << "\n---------------------------------------------------------"; cout << …  |
| | Hi everyone I'm having a problem with this program giving me the wrong output. The question is • void getScore() should ask the user for a test score, store it in a reference parameter variable. This function should be called by the main once for of the six scores to … |
| | Hi, If I have a value inside the try{} how can I read it outside, is it possible try { int num=0; }  |
 | my code is messing up. help: if (mysql_query("CREATE DATABASE $dbname",$con)) { echo "Database Created<br>"; $dbase = $_POST["CallSign"]."char"; mysql_select_db($dbase, $con); $sql = "SELECT * FROM $dbase"; $result = mysql_query($sql); if ($result) { echo "CallSign Accepted<br>"; mysql_select_db("my_db", $con); $sql="INSERT INTO users ( CallSign, Email, FirstName, MiddleName, LastName, Gender, BirthMonth, BirthDay, BirthYear, Location, … |
| | Im not seeing it but its not working here is the code: mysql_select_db("my_db", $con); $sql = "CREATE TABLE stream ( waveID int NOT NULL AUTO_INCREMENT, PRIMARY KEY(gameID), userID int, wave varchar(25), waveTime TIMESTAMP DEFAULT NOW() )"; // Execute query if(!mysql_query($sql)) { echo "Couldn't do it"; } else { echo "alright"; … |
 | hi all! lame programmer here again.Please explain this thing..seems like it has truth table and stuf.anding oring etc..plz explain how this will execute.need simple explanation so i wont forget throughout my life..:D if (!(mysql_query($sql,$con)) || !(mysql_query($sql_pin,$con))) { if(mysql_errno()==1062) { $error_flag=1; echo mysql_error(); echo "error no:".mysql_errno(); die("error:".mysql_errno()); } $error_flag=1; } else … |
| | Whats wrong with this code? I have not any errors from ie. <html> <script type="text/javascript"> var a = 1; var b = 2; if (a < b) { document.write("CONDITION TRUE :D") } else { document.write("CONDITION IS FALSE D:") </script> So?  |
| | Good day to every one. First here is my code so far import java.io.*; public class Program2 { public static void main (String[]args) throws IOException{ BufferedReader bv = new BufferedReader (new InputStreamReader(System.in)); String a, b, c, x; Float d, e, f, g, h, i, j, k, l, m, ave; System.out.println("ENTER … |
| | Hi Everyone, I have a foreach array that prints out images one per line. How can I print images out so I have 3 per line ? here is the code I am working with. if (count($friendDataRawArray) > 0) { foreach ( $friendDataRawArray as $id => $friend) { //$name = … |
| | void quick_sort (int *a, int n) { if (n < 2) return; int p = a[n / 2]; int *l = a; int *r = a + n - 1; while (l <= r) { while (*l < p) l++; while (*r > p) r--; if (l <= r) { … |
| | Good day to everyone.. First Here is my code so far.. import java.io.*; public class Inventory { public static void main (String[]args)throws IOException{ BufferedReader bv = new BufferedReader (new InputStreamReader(System.in)); String x, z; boolean y = true; int a, b, c, d = 0; do { System.out.println("--------------------------------------------------------------"); System.out.println(" M I … |
| | I am having problems with my code. I think it is the print function, but I'm not sure. Everything compiles correctly. Just no output. Any help is appreciated. Thanks Here is what I have: #include <iostream> using namespace std; struct node* tree = NULL; struct node { int data; struct …  |
| | Hello fellow Daniweb members, A relative is a film maker in a foreign 3rd world country, with poor services to help him construct a website for his films and small company. I, trying to be helpful, said that I could provide him with a model of what his website would … |
| | HI Could yu please tell me how to get previous values from current iteration in the below example : public void parseDtoCollection(Collection dtos) contains list of dtos in private AssetClassVersion createNewAssetClassVersion(AssetDTO dto) method i am iterating but i want to get to get previous itearation values in current iteration if … |
| | I am hoping this is an easy question. I am not well versed in Java, I am a ITSM admin, but the ITSM product we use comes with Tomcat as it's web server. I am trying to find out if there is a simple way to set index file (welcome … |
| | I can't seem to figure out what I'm missing. After the end user selects one or more classes, they go to a page that runs a foreach statement to determine which discount to use on each class. But it doesn't seem to be adding the resulting total to the array, … |
| | Quickselect, based on quicksort, and counting select, based on counting sort. Each is capable of finding the kth smallest element in an unsorted/sorted list/array. This is some example code for a QuickSelect algorithm. This doesn't include the partition function. // return the kth smallest item int quickSelect(int items[], int first, …  |
| | Hi all, I am having trouble figuring out a good way to go about looping my database results. Currently, my code looks something like the following (abbreviated for simplicity): $db_results = $wpdb->get_results("SELECT * FROM table"); echo '<table><thead><th>Name</th><th>Number</th></thead>'; echo '<tbody>'; foreach ($db_results as $result) { echo '<tr>'; echo '<td>' .$result->name. '</td>'; … |
| | If I have an arraylist of arrays (each item in the arraylist is itself a one-dimensional array), how can I iterate over each element of each array contained in the arraylist? |
| | I need a simple script to echo current date 600 times once every second redirect it to a text file and follow the file as it grows using a tail command.  |
| | i have to do a pyramid with a pattern like this [iCODE] 1 1 2 1 1 2 4 2 1 1 2 4 16 4 2 1[/iCODE] i just realized dani web didnt take my center pyrmaid thing it moved to the side no matter what spacing i did … |
| | so the code is pretty simple. it just loops and if statements. first i have a main. i took the headers and prototypes out to make it smaller. In main all iam doing is asking user to enter command and call one funtion. // main.c int main(int argc, char *argv[]) …  |
| | Hi all, I actually need to use a sorted map.So i tried using Tree Map.But the problem is that This works well with sort key having values upto 9. With more than 10 items I see abrupt results with sort key arranged in the order = 1, 10, 11,12,--------17, 2, … |
| | hi i am using fedora 14 and 16....while executing the parallel programs in c i am getting segmentation fault(core dumped) when i give the array size more than 100000 ....  |
| | I am trying to sort an ArrayList of Strings using the Merge Sort algorithm. However, I am having an error where it occurs on line 67 **`result.set(i,right.get(r));`** Where I get the IndexOutOfBoundsException. I have tried printing out the index of the result, and it seems to be that I am … |
| | i need help with if statement. for some reason its not working right and i dont know why. i never goesinside 2nd if statement. i i want to go inside this if statement - if left_var value is "2x" //for loop iam start with x. b = 'x' and b-1 …  |
| | lets say i have a i have a char array char left_var[] //-33x-4x+x this char left_var array has the value of "-33x- 4x+ x" and result should be "-33-4+1" and store in another array called in another word iam trying to get rid of x's and if there is only … |
 | URGENT: guys i really need your help with this. I have been debugging my program for days but it doesn't seem to be improving this is the code for the table layout: <table border="1" id="COT_Table" onclick="getTableID(this)"> <td rowspan="3" scope="row">COT</td> <th colspan="4" scope="col">SFAL</th> </tr> <tr> <td colspan="2" scope="col">Temperature</td> <td rowspan="2" scope="row">vol … |
 | Hello I am currently working on this code and the code can be runned well from 100-10,000 random elements after that the heap sort says stack over flow, im thinking the recursive calls are the cause of this, so please healp public static void MAX_HEAPIFY(int [] A, int i, int … |
| | So my java class is a joke, and we're expected to learn how to do our assignments via the web...I'm a hard worker, but I'm just not good at this. [Assignment pic](http://oi50.tinypic.com/aw3zx2.jpg) There's the assignment image. I think i got how to do the first part with the adding random … |
| | I'm trying to write a method that displays the contents of a hashmap on screen. This hashmap contains Strings and an array of int for every String. I've put the String aspects of the hashmap into an arraylist and I'm trying to use another method to print the arrays for … |
| | I have a C++ application that I want to make more flexible and user-friendly. It currently contains seven nested for-loops, and part of the new flexibility is that this number will become variable (between two and twenty, say). What is the easiest way to achieve this?  |
| | Hey bros. I made a program that prints out random numbers in a linked list. I want to have the index number next to each of the random numbers in the list. I guess for example like: 1 25 2 123 3 56 ect. Here's m program so far, and … |
| | Hello, I am writing code that mimics the game Mastermind. The computer randomly comes up with a code based on the "colors" RGBOY. The user has ten guesses to guess what the code is. Right now my code displays the secret code at the beginning just so I can test … |
| | Hi, I'm trying to sort a list of names in c++ (first name and last name). I'm running into a couple of problems with my code. I'll post the code first then state my problems. #include <iostream> #include <stdio.h> #include <cstring> using namespace std; const int numNames=3;//this makes the code … |
| | I'm trying to seem if(t3.alive) is not ever entered. It successfully goes through t1 and t2 if statment but skips over three. I've tried the do while, while (like seen). I would think if t3 is still alive the loop would still go then once it's not, its out but … |
| | Hola code gurus, I’m wondering if there’s a way to use a string to access a specific item in a matrix of int[X]. I have a program which uses enums as iterators to reference a large amount of data. To select an item in the matrix, the user will enter … |
| | Write a java program that will open a file, read each of the records from the file, use that data to populate a two dimensional array and write the sorted data out to a new text file. Define a class named [B]Munge[/B] which will do all the 'heavy lifting' in …  |
| | Hi! I made a program that accepts random numbers, create a binary tree from it, then traverse it using in-order, pre-order and post-order traversal. The program is working well but my instructor added something else, when the user input numbers, it should be arranged just like an actual tree. The … |
| | hello, I am lik 98% done with this assignment where the user enters a number, and then it will output if you guessed the right number, or if you have any matching digits, so for example, the if the random number is 24 and the user inputs 20 it should …  |
| | Ok now i am having a retarded issue im sure. but here is what is supose to happen is n is not allowed to be more than 5 but when i run this and enter in 5 i get a blank space and when i enter 1-4 i get the … |
| | Hello, I am in the process of creating a program that accepts random numbers, put them in an array and sort them using different types of sorting algorithms. I then passed the array as an argument to the "BubbleSort" function, however, when I try to call the array in the … |
| | Hello all I have a bunch of aggregate elements within my array. This array is for vertex positions in OpenGL. and I need to make a switch without having to bind more data to OpenGL. To do this I must put an if statement within the array or a booleon … |
| | hello everyone, I am recieving this compiler error stating that `else if(input%100 || input%10 == rndNum%100 || rndNum%10)` this line ^ gives me the error error: bad operand types for binary operator '||' was hoping someone could explain this error to me if possible, also any advice would be greatly … |
| | So the program I'm writing should count how many of each individual vowel is in the program and then print that. I'm basically stuck with while and conditional statements. I think my if statement is where I've gone wrong. I'm not sure how to have it read the letter properly … |
| | I wrote a simple program to take input till the char array is filled up. But i seem to be getting a problem during runtime that the program takes input continuously and never stops. Pls help in identifying the problem.(there were no errors during compiling) [CODE] #include<iostream> #include<string> using namespace … |
| | Is it possible to loop an if-else statement? How would such a thing be coded. Basically, this code allows the user to enter a value for a month. If it's not from 0-12 it asks the user to enter a new value. How could I get that to go through … |
| | I have a Product class that is the parent of 3 other classes; Books, Movies, Music. And the Product class connects to the Store class that holds the Store's location. If I need to find a certain Product I have to traverse the list of each the Store class and … |
| | Hello, I am a beginner at programming and I am having some trouble finding the error in my code(pasted below). I am first trying to come up with a (1) function to evaluate integers at a given power.(2) A function to check if an integer is a perfect number. I … |
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