64,152 Solved Topics
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| | hey all, im new at shell scripting and need to find out a simple way to create text files, with random words in them. then needing to input 3 of these files arranging their lines in alphabetical order and after that creating an output file with the last lines sorted … |
| | Ok, I have chosen my exact path in life and need to learn this: How would I program for Linux? I have only minute ammouts of windows programing so start from absalute basics (like after cout and cin and main() stuff, start at oh something like LinMain or whatever linux …  |
| | hi guys. can anyone tell me why this code doesn't work? It doesn't raise any error but neither does it provide the expected results. [CODE] my_list= ['a','b'] class my_class: def __init__ (self): self.name = ' my name is hi' for a in my_list; a = my_class() [/CODE] a.name() gives and …  |
| | I keep getting an error saying that I am not using an object while calling a method, but I do not see how i this is the issue since I declare my class as a class... here is my code: [CODE]#ifndef __STACK_H #define __STACK_H #include <iostream> #include <cstdlib> using namespace … |
| | How would I define the command of a given button in a messagebox window? i.e. if I were using askokcanel how would I make the ok do a certain action and cancel another? |
| | Hi there, I'm fairly new to java and I have a question about creating an array of objects for a class and allowing data entry for each individual object in the array. I'm a little confused on how to go about doing this correctly. As of right now I have … |
| | I'm suppose to end up with a label box with my name spelled out in it using string manipulation. This is suppose to happen using the concatenated string to output the name into the label box. I don't have any error codes but I also don't have my name in … |
| | I'm encountering some problems with converting Delpi7 pascal to C#, maybe a fresh set of eyes will see what I can't. Pascal [CODE] procedure TForm1.Button5Click(Sender: TObject); var Data: TData; i: integer; s: string; begin if not (CheckBox1.Checked) then begin StatusBar1.SimpleText:='Bidirectional operation not allowed'; exit; end; for i:=0 to 255 do … |
| | I have a form with checkboxes [CODE]<input type="checkbox" name="yo[1]" value=1 <input type="checkbox" name="yo[2]" value=1 <input type="checkbox" name="yo[3]" value=1[/CODE] I want to to insert values into db exactly like this create table tablename yo1 tinyint default 0 , yo2 tinyint default 0, yo3 tinyint default 0 insert into table set yo1=value, … |
| | I am working on an assignment that requires me to read in a text file with text that looks like this [CODE]974 Headlight_LoBeam 6 12.87 5 3[/CODE] I am able to open the file successfully and just for testing purposes I am able to use getline() to get the first … |
| | Hello All, I am trying to return three integers from the load function below. Right now, the program only returns the throughput variable. How do I use this function so it returns all three? (I am trying to implement this in a larger project where I cannot call the load … |
 | I'm looking to further my VB skills but have a writers block on what to create. So if you have any idea or suggestions which i could use for my next project please post a reply. Thanks  |
| | I am trying to get the height of a BST using a stack. I was told that I should use preorder and measure find the largest size of the stack. However, this does not seem to work. Any ideas of what I am doing wrong. [CODE] int PBT::maxDepth() { if …  |
| | [CODE]public class Briefcase{ private int amount; private String face; private boolean isOpen = false; public Briefcase(int amount,int cNumber){ this.amount = amount; this.face = Integer.toString(cNumber); } public void removed(){ isOpen = true; face = "X"; } public boolean isRemoved(){ return isOpen; } public int getAmount(){ return amount; } public String toString(){ … |
| | This prints NULL: [CODE=Java]String sss = System.getSecurityManager() == null ? "NULL" : System.getSecurityManager().getClass().getName(); System.out.println(sss);[/CODE] And this throws exception: [CODE]ServerSocket serversocket = new ServerSocket(80);[/CODE] This one: [CODE]Exception in thread "main" java.lang.Error: java.net.BindException: Permission denied at httpserver.HTTPServer.main(HTTPServer.java:68) Caused by: java.net.BindException: Permission denied at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:383) at java.net.ServerSocket.bind(ServerSocket.java:328) at java.net.ServerSocket.<init>(ServerSocket.java:194) at … |
| | Can somebody please tell me what am I doing wrong? I have created a so called "game" and I have decided to add some random events. That's where I got this nasty error which I do not know how to dispose of. [CODE] #ifndef FUNC_H #define FUNC_H #include <iostream> #include …  |
 | Hello, I need to calculate dates, e.g: if i have this date on string "12-07-2008" and I want to add to this date 17 month. How can I calculate this date. are the a func that do this calculate ? or I nedd to write it ? Thank you |
| | sorry if this seems silly, i am trying to learn php and mysql i have tried a few times and all i do is crash the code. What is am trying to do is change the cell background colour to green if echo $row['s1']; is "2" and red if "3" … |
| | What is EOF. How is it generated? Which key corresponds to "end of file" on the keybord?? |
| | Can anyone please debug the following binary tree program, it flashes two errors: 1: Type mismatch in redeclaration of 'strdup' 2: Tpe mismatch in redeclaration of 'talloc' [CODE]#include<stdio.h> #include<ctype.h> #include<string.h> #define MAXWORD 100 struct tnode *addtree(struct tnode *, char *); void treeprint(struct tnode *); struct tnode { char *word; int … |
| | Hi, I'm trying to render a checkbox in a datagridview column header so that when the checkbox is checked/unchecked all the cells in that column should be checked/unchecked accordingly. The datagridview is bound to a database table but the column containing the checkbox header cell is unbound. The problem is, … |
| | Hi, we all know how to dock or anchor controls so that they resize themselves accordingly when a form is resized. It works fine till we have rows of controls on left and right size of the form. But what if have three columns (Columns as in visual sense. I'm … |
| | Hi, I have an editable datagridview that's been databound with dataadapter and datatable, and a normal button on a form. When i edit the dgv's cells and click the save button it fires the datagridview_cellvalidating event and if the cell validation is correct it updates and saves the current record … |
| | When a button is focused by pressing Tab key, a rectangle appears on it. Even if the button's TabStop property is set to false, when the button is clicked with mouse the rectangle appears. Is it possible to stop the rectangle from appearing? Please help. Regards. |
| | I have a project where I want to be able to multiply 2 values from a database. So I have a combo box where the user is able to select from a set of data. This displays the data relating to the selected row in text boxes on the windows … |
| | Hi I have an application that has an Ms Access 2007 DataBase which runns great if access is installed. Is there any code that I can use in vb that I would be able to run access with out installing it. Tanks in advance  |
 | Hi. I need a function which will convert a decimal to a fraction, so that I can put in [CODE]echo dec2frac(1.75);[/CODE] and it'll output 1 3/4. Any suggestions? Thanks |
| | Can someone please explain to me how the pointers were used in the line w/ the red font. I do not understand where the pointer pertains to and why there is still a need for that. Also why is it that a "+" sign was used to combine two array … |
| | I have linked a database to a windows form. I have dragged the field objects onto the windows form. Prior to doing this I changed the first field object to a combo box and the last field object to a list item. I have proceeded with the following settings for … |
| | Hi, i was just wondering how I get user details from a user table from a mysql database. Ive already worked out how to connect to the server, im just wondering how to import the data into a datagrid. Thanks Heres my current code [CODE]Imports MySql.Data.MySqlClient Module sql Dim Connection … |
| | Im a Junior in college now (Computer science Engineering). Im planning to start my Java certification. Im comfortable with programming in java. Im familiar with most common API and also with swing and Collections, Concurrency, etc. and also with OOPS concepts. So I thought I might take an entry level …  |
| | I made a simple ThreadManager class that receives tasks and spawns threads to complete the tasks. Currently it keeps all the threads alive until I explicitly set threadmgr.waiting=False and all of the tasks are complete. I'm trying to eliminate the need for the former. What I would prefer is that … |
| | How can I make my website work like this: User forgot to logout its account to PC1. Then he goes to PC2 and login the same account he uses to PC1. User successfully logs in to PC2 while its account in PC1 is autamatically logged out. How is that? |
| | So I have this two forms.. I have a command button on the second form that when I clicked, a message box pops out and ask you if you want to go in the first form. The 'Yes' worked but the 'No' doesn't work, the first form still shows.. can … |
| | I am trying to send registration/ activation information via email, but don't want to store my authentication within the vb.net app and therefore not wanting to use .NET SMTP. I have the below php script that works from a website, but I can't seem to get the variables sent to … |
| | Hi, I've been trying to sort a list in ascending order for a problem in class, but my for loop isn't working. [CODE]import java.util.*; public class AscendingOrder { public static void main(String[]args) { int min; Scanner input=new Scanner(System.in); int[]list; list=new int[10]; int[]list1; list1=new int[10]; System.out.print("Enter 10 integers: "); for (int … |
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| | Hello below is the progra... i cann access araylist in the main class function.... like "LoanBook" see that in the code.... plz recity meeee folks... thanking uuuu =--------------------------------------------------------------------------= [ICODE] import java.util.ArrayList; import java.util.Scanner; // To take customer detais by using Constructor and Customer deatils class Customer { int cusId; String …  |
| | I got the problem with this code.. can anyone explain me the output.. main() { int i = 258; int *iPtr = &i; printf("%d %d", *((char*)iPtr), *((char*)iPtr+1) );} |
| | I have written a login page but each time I login it returns a blank page even with a wrong password please help: the login page is as follows: [CODE] </head> <body> <div id="wrapper"> <form action="methods/login.php" method="post"> <ul> <li><label>Username:</label><input type="text" name="username" size="10" value="<?php echo htmlentities("$username"); ?>" /></li> <li><label>Password:</label><input type="password" name="password" … |
| | Hello all I was wondering how i could pass the following SLQ function to my datatable: Select sum(Quantity) from Purchases where transaction_mode=1 Thank you |
| | i wanna use the Sleep fucntion in a CLR vc++ app, if i include windows.h it gives a huge list of errors, if i use _sleep() then it dowsnot work at many systems since its obslete. what should i do? i am bound to use CLR bcoz my code uses … |
| | i have a form and i need to use mouse scroll for moving my panel. so i need to create event ( :) ok ok im not sure ) and No matter where the selected i need to use this event when i use mousescroll :) I hope i was … |
| | What is the best programming language to use to make application for Mac OS X? |
| | hi, My application is in VS2008 coded in vb.net.I have a form with a datagridview which loads data from databaase.there is one column where data is stored separated by comma's.Like Name,Surname,LastName name this column as [B]Testing[/B].I have a checklistbox on another of my form.When the user selects a particular row … |
| | [I]Dear experts, I am trying to code out my assignment but i made a problem with my [CODE]break;[/CODE] within my [CODE]if (operator.equals(zero))[/CODE]. i have received compilation error stating the following: [/I] [B]HelloWorld.java: break outside switch or loop[/B] [I]Appreciate if someone can point out my mistake. Thank you.[/I] [CODE] import java.util.*; … |
 | Hello Everyone! A new thread i have started and this is how the problem goes... I want to display record of a user something like profile details based on the user who has logged in to member's page! So when the user has logged in and clicks on the view … |
| | I wrote a procedure to read integers(unsigned) from stdin and store it in a variable. I wanted it to handle backspaces too. so I made some adjustments but unfortunately it didn't work.--see line 14 in the code [CODE]get_num: ;(function get_num: read integers from stdin) push ax ;save all registers push … |
 | Hi Experts, I have asp.net application already published with x86 ( i am not sure but can not working properly on windows server 2008 64 bit with oracle), through googling i found that i need to change application to Specific CPU through VS2005. There is also solution: To explicitly set …  |
| | So this is my first post and I have only begun using python. One of my first assignments is to design a program which will count the most used words in the given text file. In my case we are using the Declaration of Independence. Here is what i have … |
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