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9 answers
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I'm developing an application which displays images, and plays sounds from a database. I'm trying to decide whether or not to use a separate JFrame to add images to the database from the GUI. I'm ...
Peddler's user avatar
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1607 votes
47 answers
859k views

Which is the simplest way to update a Label from another Thread? I have a Form running on thread1, and from that I'm starting another thread (thread2). While thread2 is processing some files I would ...
CruelIO's user avatar
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6430 votes
35 answers
1.5m views

What is the difference between the units of measure px, dip, dp, and sp?
capecrawler's user avatar
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53 votes
2 answers
89k views

I'm new to the GUI world/OO design pattern and I want to use MVC pattern for my GUI application, I have read a little tutorial about MVC pattern, the Model will contain the data, the View will contain ...
KarimS's user avatar
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44 votes
3 answers
178k views

Hey I am new to python and am using tkinter for my gui. I am having trouble using the frame.after method. The goal is to make a random letter appear every 5 seconds. Here is my code: import random ...
user2456977's user avatar
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100 votes
8 answers
149k views

I'm writing a program with Python's tkinter library. My major problem is that I don't know how to create a timer or a clock like hh:mm:ss. I need it to update itself (that's what I don't know how to ...
Diego Castro's user avatar
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9 votes
2 answers
13k views

When creating a new project in netbeans, if i select JAVA Desktop application, it creates some code which I DO NOT RECOGNISE AT ALL as what i had learnt in swing. It imports packages such as : org....
YD8877's user avatar
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118 votes
8 answers
59k views

I was reading about JSF that it's a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, React, Vue.js,...
sushil bharwani's user avatar
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14 votes
1 answer
10k views

For a school project, I need to make a simple paint application that can draw lines, ovals, and rectangles. The assignment specifies that I need toolbar buttons and menu items for each type of shape. ...
Austin Hyde's user avatar
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12 votes
2 answers
23k views

I have been searching a lot and I still don't know how you access variables from different classes in python. In this case I want to access the variable self.v from PageOne class to PageTwo class. ...
Supachai Abusali's user avatar
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589 votes
15 answers
269k views

What is the difference between a View's Margin and Padding?
Ragunath Jawahar's user avatar
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7 votes
4 answers
23k views

I have a JTable, that has one column that is text which is not editable and the second column is a check box that displays boolean values.... Now what i want is, when the user selects multiple rows ...
sasidhar's user avatar
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34 votes
9 answers
248k views

I'm looking for a way to automatically format the date in a VBA text box to a MM/DD/YYYY format, and I want it to format as the user is typing it in. For instance, once the user types in the second ...
nobillygreen's user avatar
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24 votes
4 answers
29k views

I'm currently writing a template Java application and somehow, I'm not sure about where the ActionListeners belong if I wanted to cleanly follow the MVC pattern. The example is Swing based, but it's ...
jaySon's user avatar
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315 votes
14 answers
245k views

Python works on multiple platforms and can be used for desktop and web applications, thus I conclude that there is some way to compile it into an executable for Mac, Windows and Linux. The problem ...
Teifion's user avatar
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112 votes
15 answers
195k views

I'm trying to change the default color for the options menu which is white: I want a black background for every item on the options menu. I've tried some shoots like android:itemBackground="#000000" ...
feragusper's user avatar
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4 votes
2 answers
11k views

I just installed Visual Studio 2012 express for Desktop. I can't see any place to create a GUI application with C++ ! Where is this "Windows Form Application" used to exists in Visual C++ 2010 ? Where ...
PeakGen's user avatar
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16 votes
2 answers
47k views

When the user clicks a button, I want to show a popup form that should have at least two JTextFields and two JLabels, so using JOptionPane.showInputDialog is not a possibility.
nunos's user avatar
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35 votes
2 answers
45k views

Possible Duplicate: Cross-thread operation not valid: Control accessed from a thread other than the thread it was created on Okay, I know why this is giving me this error: Cross-thread operation ...
user avatar
121 votes
19 answers
108k views

I have a bitmap and I want to crop a circular region from this bitmap. All pixels outside the circle should be transparent. How can I do this?
Altaf's user avatar
  • 5,170
37 votes
11 answers
87k views

I have created a login window in tkinter which has two Entry field, first one is Username and second one is Password. code from tkinter import * ui = Tk() e1 = Entry(ui) #i need a placeholder "...
Pierce's user avatar
  • 383
6 votes
1 answer
9k views

In dialog I need to display one group of controls if some combo is checked and another group of controls otherwise. I.e. I need 2 layers and I need to switch between them when combo is checked/...
Oleg Vazhnev's user avatar
  • 24.2k
145 votes
4 answers
76k views

I am testing out Bootstrap responsiveness navbar and I have a demo website. When I resize the browser on a desktop, it all works fine including the nav bar which become collapsible menu with a small ...
Laurence's user avatar
  • 7,853
453 votes
8 answers
1.5m views

What are some of the common ways to left align some text and right align some other text within a div container in bootstrap? e.g. Total cost $42 Above total cost should be left ...
user462455's user avatar
  • 13.7k
201 votes
11 answers
470k views

I would like to get file path as input in my Python console application. Currently I can only ask for full path as an input in the console. Is there a way to trigger a simple user interface where ...
Mustafa Zengin's user avatar
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