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How do I get a TextBox to only accept numeric input in WPF?
I'm looking to accept digits and the decimal point, but no sign.
31 Answers
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What's the difference between a Python “property” and “attribute”?
I am generally confused about the difference between a "property" and an "attribute", and can't find a great resource to concisely detail the differences.
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PostgreSQL database default location on Linux
What is the default directory where PostgreSQL will keep all databases on Linux?
8 Answers
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Rails Admin vs. ActiveAdmin [closed]
I've been looking into some rails admin plugins and came across these:
3 Answers
3
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How can I make a TextArea 100% width without overflowing when padding is present in CSS?
I have the following CSS and HTML snippet being rendered.
15 Answers
15
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Java: How to test methods that call System.exit()?
I've got a few methods that should call System.exit() on certain inputs. Unfortunately, testing these cases causes JUnit to terminate! Putting the method calls in a new Thread doesn't seem to help, since System.exit() terminates the JVM, not just the current thread. Are there any common patterns...
iOS 5 fixed positioning and virtual keyboard
I have a mobile website which has a div pinned to the bottom of the screen via position:fixed. All works fine in iOS 5 (I'm testing on an iPod Touch) until I'm on a page with a form. When I tap into an input field and the virtual keyboard appears, suddenly the fixed position of my div is lost. The d...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
Is there a function the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
Should I test if something is valid or just try to do it and catch the exception?
8 Answers
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