Software Development Forum

not sure if this is the right place to ask, but i need some help for my problem here. i want to find inverse, upper triangular and determinant for a matrix. but i'm not sure why it doesn't work like what i want. for now, i just want try to …

My import random not working...... can anyone help me? and i need to make sure that people can quit in the middle of the quiz... THX import random # make input equal to Python3 style input even in Python2 def question (): try: input = raw_input except: pass question =" …

**Background**: I have a friend who lets me use his MySQL database on hostedresource.com. He has successfully accessed the database with this snippet of PHP code: `mysql_connect ('dbname.db.1234567.hostedresource.com', 'dbname', 'password')` I tried to access the database with the following vb.NET code: Imports MySql.Data.MySqlClient Imports System.Data Public Class classDataConnector Private connection …

Hello DaniWebbers, So I have been hard at work on a new program that reads in a webpage every X amount of seconds. Once doing so it detects if there has been a change on the webpage, if so, updates a form, and let me know of the change. Well …

Hi, Iam trying to post a form with cookies using [Requests module](http://docs.python-requests.org/en/latest/). When I post the form and see the page with the results, there is an error in the page, saying that I didnt fill one field right. Iam absolute sure I fill that field right. When I post …

hey guys i need some help on my Search button It seems that it is not accepting the data on the cboSI.text which contains the Field Names of the Table Heres the Code: Private Sub cmdSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdSearch.Click Try Dim d3 As New …

I have created a function to add the text from a file inside another text file, if I had to add only one block of code it would be okay, but the problem is when I have to insert more than one block into a same source file. Example: FileDest1.txt, …

Hello, I need help making a table based off my tax code I made, the tax code was a little, but I need help with the table part also. The table should look like this: Income Single Married Joint Married Separate Head of house 50000 9846 7296 10398 8506 50050 …

I remember that I had a code of a multithread that you could start it how many times you want (it had no arrays). And I remember I only had to get the "Dim t1 as....(I dont rembemer)" line and insert t1.start to make it work. Also, it auto-dispose when …

hi! can anyone solve this string-array problem or give me just an example about it * Write a program that converts a sentence input by the user into pig latin. You can assume that the sentence contains no punctuation. The rules for pig latin are as follows: a) For words …

Hi, I'm writing a simple program that runs a vending machine. I thought I had everything working fine untill I messed around with the money input some more. In my program I obviously compare money values and check to make sure the values match up exactly to buy an item. …

How can I unzip an archive using VB.NET? Actually I'm using this method, but it takes too long to extract: http://www.codeproject.com/Tips/257193/Easily-zip-unzip-files-using-Windows-Shell32 Do you know a faster way?

Why this command wont execute the path properly? The path have spaces, but with the path inside quotes, it was suposed to work. Why it's not reading the fully path? Path: 'C:\Users\Administrador\documents\visual' is not recognized as an internal or external command Dim myProcess As Process = New Process() myProcess.StartInfo.FileName = …

Hello Community, I was wondering if there is a way to programmatically import a dll containing a form. Example: When i press a button it will open the form from the dll. NOTE: I need to programmatically import the dll. Please help

hi. i got some problems with the dot and the C in th calculator i'm making. 1. when i press the C button it clears the screen but the next number i enter is also ignored even though it appears on the screen. 2. the dot is not working as …

**Can any one explain this library of java for me?**

I have tried this command but is not working, can someone tell me why? Dim myProcess As Process = New Process() myProcess.StartInfo.FileName = "cmd.exe" myProcess.StartInfo.Arguments = "/C " & "rabcasm.exe " & "\Source\" & "3.3.0-1\3.3.0-1.main.asasm" myProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden myProcess.StartInfo.CreateNoWindow = True myProcess.Start() myProcess.WaitForExit(1000) If Not myProcess.HasExited Then myProcess.Kill() End If …

Hi I need some help with this code, at the moment I am just trying to get the commandline function to work. It should when I type a command like help or exit react to it, however I have to type the command 3 times for it to work which …

I have a homework question that I'm a little thrown off by. Mostly because we haven't messed with strings much in class. Any help would be greatly appreciated. Using the UML class diagram as a reference, complete the Student class declaration. (fill in the blanks) class Person { public String …

How can I write to a specific line in a text file? Can someone make me a function sWrite(filePath as string, noLine as integer, newText as string)?

I am trying to understand how exactly you are meant to prompt a user for two numbers and then list a menu for them to choose the course of action they want to do with those numbers however I am quite new to java and do not understand the concept …

Hello I have the following: String somestring="203/9834/345"; somestring.replace("/",""); System.out.println(somestring); But it does not remove the slashes. How can I remove them? Thanks

Hey Folks! I'm using a windows hook to scroll horizontally through a listview. I have it aligned so it only adds items horizontally. I have 2 big buttons I'm using to scroll right and left with nice bitmaps on them... The problem is the listbox has scrollbars appear when I …

Hello I have been trying to get past certein exercises in Pascal but for some reason I always run into problems that I don't understand. I have the following (synthesized) TYPE Triangle = RECORD x, y, z : word; END; Triangles = ARRAY OF Triangle; {more code} TriangleSize : integer …

Hi, I am trying to get a rounded-rectangle Label, this method has worked fine for my TextBox, and seems to work for my Label except the Content doesn't appear (ie, there is no text). When I remove the <Setter Property="Template"> section, the label goes square but the text is visible. …

StringBuffer sb = new StringBuffer(new String("Hello")); //Case 1 StringBuffer sb1; //Case 2 String s = new String("Hello"); // Case 2 sb1=s; //Case 2 StringBuffer sb3; //Case 3 sb3 = new String("Hello");//Case 3 Case 1 compiles fine and outputs *Hello* but Case 2 and Case 3 gives compiler error saying incompatible …

Hi, I want to get last working day data from database(SQL database). For example, if today is Tuesday, I want to get Monday data. I can get the data directly using strtTime = Date.Now.AddDays(-1).ToString("yyyy/MM/dd") & " " & "06:15:00" But the problem is if today day is Monday. Since the …

hi, i'm new to java ,can any one please tell me what is iterator in java?

Hello!!! mmm am learning OOP in Java ... and now I'm facing a prob in reading/writing .txt file here's my code: import java.util.Scanner; import java.util.Formatter; import java.io.File; import java.io.FileNotFoundException; public class Tester { public static void main(String[] args) { Scanner scan = null; Formatter formatter = null; File fileI; File …

i need help. i want to make sure that people can ask how many question the want to answer in my quiz. how can i do that? # make input equal to Python3 style input even in Python2 try: input = raw_input except: pass print("Welcome to my yes or no …

Please, I need help. I have an aplication in Visual Basic 2010 and database created in Access 2003. It's very simple database, it has two tables named 'doctors' and 'patients'. I want to itegrate databse into VB. I used Wizzard to integrate. Now I have Binding Navigator (with buttons Next, …

I have 2 datagridview (later- dgView), textboxes and some buttons. Everything is bounded and connected with MS Access db. The tables in db are related!! 1st dgView contains Name and Surname table. 2nd dgView contains Details. Now, how can I disable a delete button when datagrid is empty. I'm using …

;I wrote this program that will display a calendar for 3 months.I try to run it with NASM and TASM but i keep getting errors . Can somebody run it and tell me what to do . thanks .MODEL small .386 .STACK .DATA inBuffer DB 80 DUP(?) scrBuffer DW 25*80 …

Hey folks I'm using a listview to show an array of images that get taken from a webcam. I want them ordered on the bottom of the screen and be selectable for saving, so I'm using a listbox. Everything works okay, but when I add items to the listbox and …

I have a small player built on a frame. At form_load, I set the form width/height equal to the size of the design (two fixed size images on top of each other. The form has no border, no control (dock, min, max, exit). When running, the user wants to move …

Hey guys just joined.. So I'm learning C#, and kinda having trouble with finding the command prompt? Installed Vistual Studio 2008 Express with C# and visual basic. After that I installed XNA 3.1. It's supposedly in a folder in the start menu under 'Microsoft Visual Studio Tools', but I have …

Good Afternoon, I'm having a little trouble with a class. The error that I'm getting is: a nonstatic member reference must be relative to a specific object in the function void B::printStatic() { cout<<"size is "<<size<<endl; Here is the code that I have. #include <iomanip> #include <iostream> #include <string> using …

Hi,I have problem on my code,it will not insert to the database can you pease help me on this.Thank you in advance. Imports System.Data.SqlClient Imports System.Data Public Class Form1 Private m_con As New SqlConnection Private m_DA As SqlDataAdapter Private m_CB As SqlCommandBuilder Private m_dataTable As New DataTable Private m_rowPosition As …

Hi, I am currently working on a script that will compare two numbers from a file. I am thinking that I need to use a regular expression in order to get the numbers, however I don't know what the regex would be since there are multiple numbers through out the …

Hi all - I am having a little trouble getting going on the methods for this assignment. I need to use a method which passes a Scanner as the object to create an array that is the correct size, but has null values. It reads in a file which contains …

For part of my project, I need to write a piece of code that will perform a task (beeping) once per second for ten seconds. I found this code online and tried to modify it to fit my needs, but I couldn't seem to get it. This code doesn't beep, …

this code is my attempt at modifying a simple game i found in the book "head first java".. (pg-98 if anyone's interested) the game is about sinking battleships! ... actually... its just about declaring some blocks of a virtual array to comprise a battleship, and the user makes guesses about …

Dear all, I am certainly not an expert in C++ development but after some time, I had some code running and compiling for a bio-informatics tool. As always in Science, I changed my area of research of a while and when I came back to my tool, I had changed …

I wrote this program, when i run it, everything seems to work ok, but in the eclipse console i get a long list of errors, what is wrong with my program and how should i fix it? thanks import java.applet.Applet; import java.awt.Color; import java.awt.Graphics; import java.awt.List; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; …

print "enter a number: "; $in = <>; chomp $in; print &prime($in); print "\n"; sub prime{ for($i=2;$i<($_[0]/2+1);$i++){ if($_[0]%$i ==0){return "not prime\n"} } return "prime\n"; } can anyonet tell me, what program do i use to make this code work?.. i just found it on the internet while searching a formula …

I assume this is simple enough, when you know how :) I retrieve 2 files, pricelist with multiple information such as number, price, desciption and so on, the 2. file is discount file, with 2 fields : discountcode;discount like G30;48 which means discountcode = G30 which equals 48% I have …

how to loop and how to add score? and i want to make sure that people can ask how many question the want to answer in my quiz. how can i do that? # make input equal to Python3 style input even in Python2 try: input = raw_input except: pass …

What are the advantages of Macros over External(Global) variables?

Hey guys i need some help on how to Subtract the Dates i used a readline for sotring the number of fines per day on a txt file....now i wanted to know how do you subtrack the date the book borrowed and the date it was returned then multiplying the …

I am new to phyton