Software Development Forum

Im quite new to C#, please forgive me if my question is stupid. Im currently doing a project (alarm clock) and encounter some problems. I need to know is there anyway to change the Time ("6:02") from textbox or other means instead of changing it from the source code itself. …

how to add some text to existing text file without erasing current data?

I'm taking on a new project and was hoping to get some help. I recently helped complete a Java application in which the user enters various inputs (of the type double or string)into text fields. The application then saves these inputs into a text document which is then used for …

Hi, does somebody knows how to convert the password input so it does not appear to the screen as what we type and it appears as special characters like******. thanks!

I am writing this program for class and it compiles fine but when i debug it it gives me an assertion failure any suggestions would be welcomed i need it to output 20 random sentences. [CODE]#include "stdafx.h" #include <iostream> #include <cstdlib> #include <ctime> #include <cctype> using namespace std; const char …

Hey I have a question regarding datagridview cells, I have made made the rows that display data from the database as read only, but the thing is when I click on one of the cells an event triggers out, I have coded for cellcontentclick, cellvalidating, currentcelldirtystatechanged, editingcontrolshowing. When I clik …

Hello everyone, First of all sorry for my English. How can I rename headers in dataGridView? When I press on Find button all works just fine. I get the information wich I want. But headers of columns in dataGridView have names just like in database (PersonID, Name_Person,... ). I would …

I found this little program for a game in a book. [CODE]class Tank (object): def _init_(self, name): self.name = name self.alive = True self.ammo = 5 self.armor = 60[/CODE] It is named tank.py When I import it in python and I try to add [CODE]my_tank = Tank("Bob")[/CODE] Python gives an …

My form1 has datagridview, that is populated by a dataset. I want to pass the selected value of the datagridview to my other form which is form2. How could I do this?

Wanting to create an error handling function, I want it to return the line without having to pass an int value for it. I've seen functions given to me in books and so forth do it, but I have no idea how to get that value.

How can I execute some code when the user closes the application? Where do I put this code?

Okay, this puzzle the hell out of me. I've got 2 different sets of code, one which works, one which doesn't. They are both very similar, and I can't see what is causing the problem. Code that works: [CODE] public static void main(String[] args) { PropertyConfigurator.configure("log4j.properties"); new Settings().globalSettings(args[0]); logger.info("Read settings …

Dear all. Thanks for you kind and generous supporting. From the String s="<hell <world </world </hell"; I wanted push the elements "<hello, <world" into stack, and pop off if current element equal to peek element in stack. Question: Even stack.peek().equals(CURRENT ELEMENT), why can not pop off, but occurs error?? Please …

can someone tell me how to do this??? i have a product category in a combobox and the associated product codes in a list box. i'm using oracle for backend. the combobox on form loading shows the product categories from oracle database. but the product category is not a primary …

Hi all, Basically I am attempting to determine whether the first 2 columns (tab delimited file) from file1.txt match the first 2 columns of file2.txt. If they do I want to output the entire row of file1.txt to outputfile.txt... I can do this using vbs but due to the amount …

Hello everyone, I am currently teaching myself language processing by using the book of NLTK -found at http://www.nltk.org/book - and I have a problem. The following code retrieves every sentence in Shakespeare's Macbeth respectively as a list of list of list -or something like that- format: from nltk.corpus import gutenberg …

Hi, I have a structure defined in my header file as follows: [CODE] struct TestInformation { int TestPointer; // pointer to the selected test long TestPointerValue; // the value contained within the pointer long TestSize; // the size of a test char *TestText; // the text contained within a test …

I have created an Exams form which has all its control(1 txtbox, 2 combobox) binded to exams table (SQL Database). The form has a Datagridview which shows two column, Subject and OutofMarks(dats total mark assigned to a subject e.g. Subject [B]English[/B] is of [B]100 [/B]mark. The subject column of datagrid …

I have successfully managed to get my data the way I want it in ListView and have two questions; 1 - How can I select an item on a single (or double) click of a mouse button that executes some code using that as the variable passed to it from …

Hello. I'm writing program wich reads from file line by line and then rewrites everything to other file. This is simplifyied part of code: [CODE]for (int i=0; i<=5;) { getline (file1, str1); /* file1 is file from wich i read and str1 is string*/ file << str1; }[/CODE] No i'm …

Hi, I am looking for advice on the best way to achieve my current goal. I am reading a textfile and extracting information from each line. For example string1 and string2. I am then writing these string to a datatable. However, sometimes there will be repeats in string1 and string2. …

My internet browsing skills have failed me and I can't seem to find any solution to this. I image it'll be easy for you guys though and I'd be incredibly grateful if you could help me. I'm new to Python so a relatively simple explanation would do me very well, …

I want to be able to double left click my mouse on an entry in a populated listview window and pass that variable (as a string) to a textbox. Can anyone give me some sample code?

Hi all, I have form to populate list view items which allows the user to view, add, update, and delete model records. But when i start the project, the [B]Run-time error '380': Invalid Property Value[/B] comes. i click to debug, it highlighted a line as i have indicated below in …

Hi all, I have string like this: JK-501-[COLOR="Red"]3556-25[/COLOR]-A-03#C I would to extract the middle part without dash which suppose to look like this:355625 I wrote the code this way, but the string extracted looks like this: 3556-25355625 [CODE] For i = 1 To Len(cbPN.Text) If Mid(cbPN.Text, i, 1) = "-" …

Respedted Seniors, I have a form to input a product model detail. When i run the project and choose to click the menu 'Model Master', an error as below occurred. [B]Run-time error '3709': The connection cannot be used to perform this operation. it is either closed or invalid in this …

Hi. I am interested in converting an amount of pixels into a real cencimenter or inch value. I´ve read some articles which confused me more that they informed me, so hope you can guide me in the right direction :) Lets say I have a user input his monitor size …

Hi to all, is there any place i can download MSDN Library for VB 6.0? I really need it! with regards!

I have writen a code for adding (math +) two arrays. Actually, I have two arrays of a class I have also designed, that has two attributess, one of wich is an integer. I would like to sum (add element by element) one array on the other by adding the …

Hi all, I'm gradually starting to make this transition from the world of C to C++, and now that I have a little progress, I have some things that are still a bit confusing to me. One of them is if I nest a class inside another class. If I'm …

Hey people, I've been coding in vb.net for a while but never had to publish anything (it didn't get covered during any of my classes) so here's my confusion: Context: My application uses an existing excel spreadsheet which it then modifies per user input, and saves the modified version to …

Hello, i hope all of you are fine ... i need some source about telecom billing system ....

I have never found a logical explanation to make my mind about using interfaces in c#. Does any one know a robust benefit of using interfaces? please explain to me in a structural manner.

I have the following code which is used to get various details about wireless networks; [CODE] // Lists all networks ssid, signal stregth, availability, & security Wlan.WlanAvailableNetwork[] networks = wlanIface.GetAvailableNetworkList(0); foreach (Wlan.WlanAvailableNetwork network in networks) listBox1.Items.Add(GetStringForSSID(network.dot11Ssid)); foreach (Wlan.WlanAvailableNetwork network in networks) listBox2.Items.Add(network.wlanSignalQuality + "%"); foreach (Wlan.WlanAvailableNetwork network in networks) listBox3.Items.Add(network.wlanNotConnectableReason); …

Hi, I am having some problem using nested if else in C# project. I have no idea why it is always executing the Save() function. I don't want to execute the save() function if the (dr.Read()) is true. Here is the code: [code=c] protected void BtnSave_Click1(object sender, EventArgs e) { …

First of all I want to thank the guys form this forum for there work and help that I found more then use full an different occasions. Here is my c programing exercise. Write a c program that shows all the products tahat have the price over 10. Any help …

Ok, I've never seen a while loop like this. Please can someone help explain this: [CODE]CipherInputStream cis = new CipherInputStream(new FileInputStream(new File("plaintext.txt")),cipher); FileOutputStream fos = new FileOutputStream(new File("ciphertext.txt")); byte[] cipherTextBytes = new byte[8]; int i = 0; while((i=cis.read(cipherTextBytes))!= -1) { fos.write(cipherTextBytes,0,i); }[/CODE] Ignore the whole CipherInputStream object if you don't …

Hi! I'm pretty new to C and have to write something that handles strings. I have some experience with python and C++ but i find C string handling pretty strange/ugly. Is the following code really the best way to put together a string containing multiple strings? [CODE] strcat(string1, string2); strcat(string1, …

I'm sort of duplicating this post because it requested that I start a new thread because I was replying to an old one, but here is a statement that prompted my questions: "Accessors should be const methods at the very least, because the object state isn't changed in the body." …

I am a B.Tech 1st year student.I am unable to understand the program given below.Please any one explain me.Any help would be appreciated. This program is for printing longest line of given input lines.. [#include <stdio.h> #define MAXLINE 1000 /* maximum input line length */ int getlines(char line[], int maxline); …

Hello, How can I control the representation of my exponential number? 4.840000E+02 need to define how many numbers I want after the point? Is there a way to define it when I create it from integer? Thank you very much

Hello all, I have an xml file with the information below: [CODE] <?xml version="1.0" encoding="utf-8" ?> <ServerNames> <Name>dfwnbonner1</Name> </ServerNames> [/CODE] I am trying to get the Name of a server into a listview. This works fine with the above xml but as soon as I add another server name in …

This is a really simple question but it's been stumping me for a while. I want to open a file that is in the same directory as the .py script, but I want to specify that directory without using a universal path. filepath1 = '/Users/username/Documents/Python/TC/TC cedict final.txt' file = open(filepath1, …

Hello, My quaestion is how to convert an integer to an exponential number i.e. 484.000E-2? thank you very much

I need to know how to round to the nearest quarter and tenth. Right now i am taking to times finding the difference and then trying to round to the nearest quarter or tenth. Which ever i choose. I have this for code. I made a class to call, In …

I am fairly new to Haskell and have been experimenting with data and class declarations. I have been trying to do this: [CODE=Haskell]data Fire = Burn | Ember data Water = Bubble | WaterGun class Elements a instance Elements Fire instance Elements Water data Elemental = Elemental { name :: …

can someone help me with these compiler errors? im not sure how to fix them. intset.cpp:16: error: prototype for âIntegerSet::IntegerSet(int*)â does not matc intset.h:6: error: candidates are: IntegerSet::IntegerSet(const IntegerSet&) intset.h:9: error: IntegerSet::IntegerSet(int) intset.cpp:7: error: IntegerSet::IntegerSet() main.cpp: In function âint main()â: main.cpp:36: error: invalid conversion from âint*â to âintâ main.cpp:36: error: …

hi there i need to collect the 6 latest backup files from a folder every day and currently working on a script to do this for me so far i have managed to pull the 6 latest files as shown in code below but the problem i have is most …

Hi everybody, I think this question will be kind of stupid for you ... but I am fighting with since yesterday evening. I have a class Test defined as such in the hpp file (Test.hpp) [CODE] #include <iostream> #include <vector> using namespace std; class Test { public: Test(); static const …

Hello, I am trying to create an app that allows the user take a screenshot of a portion of the screen that he selects with a rectangle. I've tried following several tutorials but I did not managed to make the rectangle appear. The best I could do was to take …