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Fastest Way to Find Distance Between Two Lat/Long Points
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Another error correction - you are missing a closing ) on the second to last line
– ina
Feb 21 '12 at 12:30
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Difference between abstract class and interface in Python
...xpected to supply."""
def aMethod( self ):
raise NotImplementedError( "Should have implemented this" )
Because Python doesn't have (and doesn't need) a formal Interface contract, the Java-style distinction between abstraction and interface doesn't exist. If someone goes through the ef...
How do I sort an observable collection?
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}
return -1; // decide how to handle error case
}
usage:
Sample with an observer (used a Person class to keep it simple)
public class Person:IComparable<Person>,IEquatable<Person>
{
public string Name { g...
How do I get a TextBox to only accept numeric input in WPF?
...now this is a bit late but I'm trying to implement this but I keep getting errors. I'm guessing I'm missing some references. Are there any that are meant to be typed in other than the defaults after you created a class?
– Offer
May 29 '14 at 12:56
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What are valid values for the id attribute in HTML?
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The error that Augustus pointed out is still present. In your example, if you have id="firstName" in either HTML 4 or HTML 5 and #FirstName { color: red } in CSS, only a buggy browser will set the element's color to red.
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How can I open Windows Explorer to a certain directory from within a WPF app?
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yes, i was getting errors chasing that, didn't know about <strike>strike</strike> btw cool
– Edward Tanguay
Nov 17 '09 at 1:53
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How to split one string into multiple strings separated by at least one space in bash shell?
... a friend of that, as this leaves behind much power of the shell / is very error prone to switch back and forth this setting.
– Tino
Mar 14 '16 at 13:55
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Write to UTF-8 file in Python
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I'm getting "TypeError: an integer is required (got type str)". I don't understand what we're doing here. Can someone please help? I need to append a string (paragraph) to a text file. Do I need to convert that into an integer first before wr...
When should use Readonly and Get only properties
...if the setter is not there. And trying to do so would result in a compiler error.
– Devraj Gadhavi
Mar 25 '13 at 7:47
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Matplotlib scatterplot; colour as a function of a third variable
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I get an error: 'length of rgba sequence should be either 3 or 4'
– MattCochrane
Nov 4 '15 at 4:51
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