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How do I make a textbox that only accepts numbers?
I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more g...
How can I clear or empty a StringBuilder? [duplicate]
I'm using a StringBuilder in a loop and every x iterations I want to empty it and start with an empty StringBuilder , but I can't see any method similar to the .NET StringBuilder.Clear in the documentation, just the delete method which seems overly complicated.
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
This is my code:
3 Answers
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HTML5 Canvas vs. SVG vs. div
What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around.
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How to effectively work with multiple files in Vim
I've started using Vim to develop Perl scripts and am starting to find it very powerful.
28 Answers
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Custom ListView click issue on items in Android
So I have a custom ListView object. The list items have two textviews stacked on top of each other, plus a horizontal progress bar that I want to remain hidden until I actually do something. To the far right is a checkbox that I only want to display when the user needs to download updates to their d...
Devise Secret Key was not set
I am developing a Rails 4 app using the Active Admin gem for the administration back end. Active Admin in turn uses Devise for user authentication. Now, when I try to deploy the app using capistrano on the VPS server, I get the below error:
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Declaring a custom android UI element using XML
How do I declare an Android UI element using XML?
6 Answers
6
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Is there a way to make AngularJS load partials in the beginning and not at when needed?
I have a route setup like this:
8 Answers
8
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How do I get the current time zone of MySQL?
Anyone knows if there is such a function in MySQL?
17 Answers
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