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Zoom in on a point (using scale and translate)

I want to be able to zoom in on the point under the mouse in an HTML 5 canvas, like zooming on Google Maps . How can I achieve that? ...
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Use StringFormat to add a string to a WPF XAML binding

I have a WPF 4 application that contains a TextBlock which has a one-way binding to an integer value (in this case, a temperature in degrees Celsius). The XAML looks like this: ...
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Overlaying histograms with ggplot2 in R

I am new to R and am trying to plot 3 histograms onto the same graph. Everything worked fine, but my problem is that you don't see where 2 histograms overlap - they look rather cut off. ...
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How can I get the executing assembly version?

I am trying to get the executing assembly version in C# 3.0 using the following code: 6 Answers ...
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Java 8: performance of Streams vs Collections

I'm new to Java 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections. ...
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Removing a list of characters in string

I want to remove characters in a string in python: 18 Answers 18 ...
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Email validation using jQuery

I'm new to jQuery and was wondering how to use it to validate email addresses. 35 Answers ...
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Are the shift operators () arithmetic or logical in C?

In C, are the shift operators ( << , >> ) arithmetic or logical? 11 Answers ...
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List comprehension vs map

Is there a reason to prefer using map() over list comprehension or vice versa? Is either of them generally more efficient or considered generally more pythonic than the other? ...
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error: ‘NULL’ was not declared in this scope

I get this message when compiling C++ on gcc 4.3 6 Answers 6 ...