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What is the best algorithm for overriding GetHashCode?
In .NET, the GetHashCode method is used in a lot of places throughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality.
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Decimal separator comma (',') with numberDecimal inputType in EditText
The inputType numberDecimal in EditText uses the dot '.' as decimal separator. In Europe it's common to use a comma ',' instead. Even though my locale is set as german the decimal separator is still the '.'
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How does UTF-8 “variable-width encoding” work?
The unicode standard has enough code-points in it that you need 4 bytes to store them all. That's what the UTF-32 encoding does. Yet the UTF-8 encoding somehow squeezes these into much smaller spaces by using something called "variable-width encoding".
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Change the Target Framework for all my projects in a Visual Studio Solution
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You can do that using Scott Dorman's Visual Studio macro available on CodeProject:
Visual Studio 2010 and Target Framework Version
Below is the code, download it to your <UserProfile>\Documents\Visual Studio 2010\Projects\VSMacros8...
push multiple elements to array
I'm trying to push multiple elements as one array, but getting error
9 Answers
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Difference between the 'controller', 'link' and 'compile' functions when defining a directive
...es seem to use the controller function for directive logic and others use link. The tabs example on the angular homepage uses controller for one and link for another directive. What is the difference between the two?
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
I'm upgrading to Rails 3.2, and running rake db:migrate gives me several errors of the form:
8 Answers
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Delete column from pandas DataFrame
When deleting a column in a DataFrame I use:
15 Answers
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“The run destination iOS Device is not valid for running the scheme”
I've been running my app on an iPhone 5 /iOS 6, but when I try to run it on an iPhone 4S / iOS6 I get "The run destination iOS Device is not valid for running the scheme NN. The Scheme contains no buildables that can be built for the architectures supported by the run designation device".
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How can I reliably get an object's address when operator& is overloaded?
Consider the following program:
5 Answers
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