Software Development Forum

How can i create a drop-down menu in Tkinter?

I want to create a login form by taking the text written on the notepad file in the same folder . is there anything that can help me

Question: It seems my code won't work while looping. It's a simple password verifier, however entering subsequent passwords will return the same invalid as the previous password. The simple answer might be to set boolean values under the do so they reset everytime the loop runs. But if I do …

My Program is about Directed Graphs. It reads a list of edges like : `25 589` , and puts 589 into the adjacency list (a linked list) of 25. My input file has about 5 Million such `v w` edges, with about 800K nodes/vertices, for each of which there will …

I've been working on a program that generates 100 random, 3-digit numbers and displays the sum of all 100 numbers. For every 10th number displayed, I'm trying to add a message next to the number stating " is the 10th number." So far, I've only been able to display said …

I have a question about game programming with c. I should add a background music on my game, and the same time i want to move my character on it. i used that way for solution PlaySound("sample.wav",NULL,SDN_SYNC); playing music ok but i cant move my character...

from tkinter import * from random import randint #Return random color #RRGGBB def getRandomColor(): color = '#' for j in range(6): color+= toHexChar(randint(0, 15)) return color #Convert an integer to a single hex digit in a character def toHexChar(hexValue): if 0 <= hexValue <= 9: return chr(hexValue+ord('0')) else: return chr(hexValue …

I've compiled a working program, for whatever reason, is returning 0 values for the output. I'm not sure why this is happening. I've been troubleshooting this for hours and I can't figure it out. Any help would be much appreciated. Here is the full program's code: #include "stdafx.h" #include <iostream> …

Hi. How to find index of first letter in every word in a string? For example, input string is: Programming Languages. Output should be: 0 12, those are the indexes of letters "P" and "L". I tried different approach, to print those numbers but that didn work. Thanks for the …

i am trying to make a checkerboard that centerss automaticly no matter what the sideLength is. also i am tryiing to put the checker in the squares...im only a beginner!!!! have mercy heres what i have [code] def drawCheckerBoard(myTurtle,sideLength): myTurtle.speed(0) for i in range (8): myTurtle.forward(sideLength) myTurtle.right(90) myTurtle.forward(sideLength) myTurtle.right(90) myTurtle.forward(sideLength) …

Hi again people, i have a datagridview with "Persons" hosted in a xml file. When i click ShowData button i get the "Persons" in datagridview. Also have a textbox control to filtering : private void toolStripTextBox1_TextChanged(object sender, EventArgs e) { try { //this code is used to search Name on …

Hi again people, Who knows how to show value of the selectedRow in DataGridView on a messageBox? Thanks in advance.

Hi People, im new here. I have a app to register CandidatesForJob.. i have a datagridview and i load data from xml file. I Have a object with data. But my boss sad me to associate each row to my object. Who can help me? That button , open my …

Hi. I need help finding the longest word in a string. How to return last longest word if there are two or more words with the same (longest) length? My code: #include <stdio.h> #include <string.h> int main() { char string[100], word[20], max[20], min[20], c; int i = 0, j = …

I need to identify how the code identifies that a file is at the "eof" (end of file). Here's why: On Monday's, I'm having to combine text files created over the weekend that will eventually be read and pulled into an Excel spreadsheet (generally there are three files). Using VB.net, …

import tkinter top=tkinter.Tk() t=tkinter.Text(top,height=1,width=1,bd=2,font=10) t.grid(row=0,column=0) b1=tkinter.Button(top,height=2,width=8,bd=2,text="MC",fg="Red") b1.grid(row=1,column=1) b2=tkinter.Button(top,height=2,width=8,bd=2,text="Backspace",fg="Red") b2.grid(row=1,column=2) b3=tkinter.Button(top,height=2,width=8,bd=2,text="CE",fg="Red") b3.grid(row=1,column=3) b4=tkinter.Button(top,height=2,width=8,bd=2,text="C",fg="Red") b4.grid(row=1,column=4) b5=tkinter.Button(top,height=2,width=8,bd=2,text="MR",fg="Red") b5.grid(row=2,column=1) b6=tkinter.Button(top,height=2,width=8,bd=2,text="7",fg="Blue") b6.grid(row=2,column=2) b7=tkinter.Button(top,height=2,width=8,bd=2,text="8",fg="Blue") b7.grid(row=2,column=3) b8=tkinter.Button(top,height=2,width=8,bd=2,text="9",fg="Blue") b8.grid(row=2,column=4) b9=tkinter.Button(top,height=2,width=8,bd=2,text="/",fg="Red") b9.grid(row=2,column=5) b10=tkinter.Button(top,height=2,width=8,bd=2,text="sqrt",fg="Blue") b10.grid(row=2,column=6) b11=tkinter.Button(top,height=2,width=8,bd=2,text="MS",fg="Red") b11.grid(row=3,column=1) b12=tkinter.Button(top,height=2,width=8,bd=2,text="4",fg="Blue") b12.grid(row=3,column=2) b13=tkinter.Button(top,height=2,width=8,bd=2,text="5",fg="Blue") b13.grid(row=3,column=3) b14=tkinter.Button(top,height=2,width=8,bd=2,text="6",fg="Blue") b14.grid(row=3,column=4) b15=tkinter.Button(top,height=2,width=8,bd=2,text="*",fg="Red") b15.grid(row=3,column=5) b16=tkinter.Button(top,height=2,width=8,bd=2,text="%",fg="Blue") b16.grid(row=3,column=6) b17=tkinter.Button(top,height=2,width=8,bd=2,text="M+",fg="Red") b17.grid(row=4,column=1) b18=tkinter.Button(top,height=2,width=8,bd=2,text="1",fg="Blue") b18.grid(row=4,column=2) b19=tkinter.Button(top,height=2,width=8,bd=2,text="2",fg="Blue") b19.grid(row=4,column=3) b20=tkinter.Button(top,height=2,width=8,bd=2,text="3",fg="Blue") b20.grid(row=4,column=4) b21=tkinter.Button(top,height=2,width=8,bd=2,text="-",fg="Red") b21.grid(row=4,column=5) b22=tkinter.Button(top,height=2,width=8,bd=2,text="1/x",fg="Blue") b22.grid(row=4,column=6) b23=tkinter.Button(top,height=2,width=8,bd=2,text="M-",fg="Red") …

Hello. I'm using Linux OS, Python 2 and the last version of Kivy framework. Here i have 2 files that i have typed them exactly as what i watched on a kivy tutorial video. Fist file is "main.py": from kivy.app import App from kivy.uix.scatter import Scatter from kivy.uix.label import Label …

how to make a reading operation with this writing textfile solution, please? Textbox[]tbs = { textBox1, textBox2, textBox3, textBox4, textBox5 }; // add all of them in here StringBuilder sb = new StringBuilder(); foreach(TextBox tb in tbs) sb.AppendLine(tb.Text); System.IO.File.WriteAllText(@"C:\myFile.txt", sb.ToString());

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Hi, Im trying to make a simple programe that will make my life easier. But its more complex than i thought i have 6 tables, 1 master and 5 sub. All the 5 tables are of different column and types. Master Table ID Names 1 Branch 2 Committee 3 Translation …

Good Day:) I'm trying to figure out how to remove the % sign that is returned from scraping Yahoo Finance **without** removing the decimal point (or a possible negative sign in front of number returned as netProfit). My goal is to convert the string without the % sign a float …

For example the 'x'in if ans*ans*ans != abs(x):

when i run my system in .exe file i got error[unhandled exception has occurred in your application] , i used this code Public Class Form1 Declare Function Wow64DisableWow64FsRedirection Lib "kernel32" (ByRef oldvalue As Long) As Boolean Declare Function Wow64EnableWow64FsRedirection Lib "kernel32" (ByRef oldvalue As Long) As Boolean Private osk As …

Good day: My infile contains the following: [CODE] U Apple Pie 1.29 A Bacon Burger 3.45 V Burrito 2.09 S Cheeseburger, Double 3.59 W Cheeseburger, Regular 2.95 Y Chicken Nuggets 1.87 H Chicken Sandwich 3.33 C Chili, Bowl 2.12 X Chili Dog 2.29 N Chocolate Milk 0.98 D Coffee 1.09 …

Hi. How can i open a mp3 file and play it in python? There is a mp3 file on my Linux desktop and i want to open it from a python file and play it. What should i do?

Alright can you guys tell me why the first call to printOcean prints out the memory address of the arrays rows/cols and the second one prints like its suppossed to with 0's which the array is filled with #include <stdio.h> #include <string.h> //macro #define FLUSH_STDIN(x) {if(x[strlen(x)-1]!='\n'){do fgets(Junk,16,stdin);while(Junk[strlen(Junk)-1]!='\n');}else x[strlen(x)-1]='\0';} //define constants …

Hi, I have ubuntu installed on my pc with openjdk 8 but as i want to lern java ho can i create programs by openjdk or which is the place to write the coding. Plz suggest me with easy words Thanks,uxama

Dim Mail As New MailMessage Mail.Subject = "" Mail.To.Add("") Mail.From = New MailAddress("") Mail.Body = textbox1.text " How i can add 5 textboxes in body " Dim SMTP1 As New SmtpClient("smtp-mail.outlook.com") SMTP1.EnableSsl = True SMTP1.Credentials = New System.Net.NetworkCredential("mail@mail.com", "password") SMTP1.Port = "587" SMTP1.Send(Mail) How i can add 5 textboxes in …

Hello, I thread hijacked earlier today... probably shouldn't have, sorry if that annoyed anyone. Anyway I have an issue using LookupAccountSid in a visual studio 2013 project running on Windows 7 Pro x64. First of all, it works perfectly in debug, but doesn't work when built for release. What I …

if i were asked a secret question between 1 and 1 billion by asking yes/no question of the form "is the number less than X? " what algo should i use to efficiently find the secret number? using the algo what will be the minimum number of questions if asked …

I have some confusion about Copy Constructor. Why this program crashes if we remove Copy Constructor `MyString`? #include <iostream> #include <cstring> using namespace std; class MyString { private: char* Buffer; public: // constructor MyString(const char* InitialInput) { cout << "Default constructor: creating new MyString" << endl; if(InitialInput != NULL) { …

Hi everybody. I have problem with .pack() and .grid(). I have to use this line: mywin.pack(fill=BOTH, expand=YES) I have used .grid every where on my file but now here i have copied a pice of code from some where and have pasted to my file, as you see it has …

Hello. When we want to insert a vlue into a table in sqlite, we use this line, right? cursor.execute('INSERT INTO colors Values ("red", "blue")') As we can see above, we want to insert 2 words and we type them as when we are typing whole the codes. But i want …

Hi again, i want to use on sceen keyboard when i want to click/touch a textbox, i tried to do a keyboard in vb.net but it can only focus on one form only. Can you give any idea how can i use on screen keyboard or how can i focus …

I have a C++ program with a main routine which reads arguments from command line: int main(int argc, const char *argv[]) In my system I have defined some aliases in my bash environment which abbreviates directory names. Example: alias dst='home/username/Documents/test' alias src='home/username/Download/test' My program is called "dircopy" and I want …

Hi again, I'm having a trouble in updating an item from listview to database I try this code , but it says syntax error in Update nod=name of dish , qty = quantity TBLORDERS - nod[text], qty[text], price[text] lvorder - qty , [subitems] - name of dish, price Dim sql …

Hello, I have written the basic shell script "myscript.sh", which prints Hello World. I want to call this script using PL/SQL. Please let me know the procedure(steps) for the same. Thank you.

Hi Consider the string "Please, go Mr. Gofer and good bye" I want to split the string at the specific word 'Go' (not Go in 'Gofer' or in 'good') in my case 'Go' could be at begin of sentence or at end or somewhere inside sentence. How can I achieve …

memoryc = open("cipher.txt", "a") memoryd = open("decipher.txt", "a") #------------------------------------------------------------------------------- choice = input("cipher, decipher or memory") #------------------------------------------------------------------------------- if choice == "cipher": message = input("What is your message?") key = int(input("What is your key?")) coded_message = "" for ch in message: code_val = ord(ch) + key if ch.isalpha(): if code_val > ord('z'): …

The problem is that i can't manage to compile the simplest (int main(){}) boost asio program with Code Blocks. I'm using Windows 7. Googling gave me some controversial suggestions: 1) to add -lwsock32 key - Done(Compiler settings->Other options-> -lwsock32) 2) to link with ws2_32.dll and wsock32.dll - Done (Linker settings->paths …

So can anyone tell me how to make this I was sick for a long time so Im far behind in school. So: First the customer NEEDS to fill in his first and last name. Then he needs to tell with how many people he comes. Then he has to …

Alright, I've never done this before so this may not be the way to go about it, but here goes. I'm creating an Application that connects to a Server which executes SQL Queries. I am coding the Application as a prototype in Java currently and extending it later possibly with …

I have this code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; namespace RegexTest { class Program { static void Main(string[] args) { string str = "The quick brown fox."; string pat = "fox"; Regex rgx = new Regex(pat, RegexOptions.IgnoreCase); Match matches = rgx.Match(str); Console.ReadKey(); } } } …

Can anybody let me know, why i receive a (Runtime error 3319: Syntax Error in union Query), when I run the following union Query : sSQL = "SELECT 0 AS VoucherNo, #" & Format((txtFromDt), "dd/MMM/yy") & "# AS VoucherDate, " _ & "Vendors.VendorName, ""[Balance Brought Forward]"" AS Narration, 0 AS …

how to print my listview details .. i found open source with class but this is only printing my 1st column also it is printing 1st column details in all column. please tell me how i can edit it . and put my all subitems of list the class is …

I am creating a table dynamically of which fields are date. I have a running code below but I want to remove those doble quotes in both sides.. If I remove the chr(34) on both ends, I get this error saving "invalid field defination". My code and table screen shots …

Hey, I'm looking for decent MySQL tutorials for connecting a Database in Java. I'm using Java 8 so preferably would like tutorials that correspond with newest code. Thanks!

hi :) I'm wondering >>what is the use of (static) word in func.'s ? in this code what does it mean ??and if I didn't put it what would happen then ?? thanks :) import java.util.Scanner; class Average { public static double compute(int...x) { double sum=0; for(int item:x) sum+=item; return …

Here is my code,how do i use the length property to show length of the random.bin file? static void Main(string[] args) { FileStream fs = new FileStream("random.bin", FileMode.OpenOrCreate, FileAccess.ReadWrite); // has to be declared in method scope Random r = new Random(); for (int i = 0; i < 10; …

so im trying to find the min, max, range, mean, median, and mode. The max number is right but the min isnt. Once that is corrected, i can get range and mean easily. Also, i have no idea how to get mode and median. Im guessing the values in the …