Latitude/Longitude Qt4 widget?

What is the best starting point for a Qt4 widget for entering Latitude/Longitude in DD:MM:SS format (degrees, minutes, second开发者_开发问答s)?Customize a QLineEdit?A series of spin boxes?There are so

jQuery UI sortable - unable to drag elements to the bottom of a connected list/column

I\'m having an issue with jQuery sortables. I\'m using it to develop an iGoogle-like dashboard by creating 3 columns. All 3 contain sortable divs and are connected to each other using the connectWith

What is the most efficient way to determine if a directed graph is singly connected?

I am working on an assignment where one of the problems asks to derive an algorithm to check if a directed graph G=(V,E) is singly connected (there is at most one simple path from u to v for all disti

webapp, tipfy or django on google app engine [closed]

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Pass or Get a value from Parent ViewModel down to Sub-ViewModel?

I am using the MVVM Light framework as well as Unity for DI. I have some nested Views, each bound to a corresponding ViewModel. The ViewModels are bound to each View\'s root control DataContext via th

How to exclude series in legend (Flex)

In flex charting, I want to draw开发者_StackOverflow中文版 something like \"reference lines\" which are related to specific series,

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How do I make a dialog box that waits for user response?

When you tkSimpleDialog.askinteger, the program stalls and waits for user input. What are the basics of writing my own method that would have the same effect? I want to make the same kind of dialog bo

WordPress: add a customized Category Manager to the *PAGE* editor

In WordPress, the post editor contains a Categories panel that allows you to assign categories to posts. However, the page editor does not have a Categories panel. I\'m sure this is by design, but I n

Data type mismatch when retrieving records from an access database using a DateTimePicker

I get a Data type mismatch criteria expression error when i try to retrieve records from an access database between two dates using a DateTimePicker in C#.