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Use of ~ (tilde) in R programming Language

I saw in a tutorial about regression modeling the following command : 2 Answers 2 ...
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Get position of UIView in respect to its superview's superview

I have a UIView, in which I have arranged UIButtons. I want to find the positions of those UIButtons. 7 Answers ...
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What is a provisioning profile used for when developing iPhone applications?

...a provisioning profile and why is it needed when developing an iPhone application? If I don't have a provisioning profile, what happens? ...
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SQL Add foreign key to existing column

If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint: 6 Answers ...
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How do I simply create a patch from my latest git commit?

I'm looking for the magic command of creating a patch from the last commit made. 5 Answers ...
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Best way to work with transactions in MS SQL Server Management Studio

Let's say I have an SQL statement that's syntactically and semantically correct so it executes. 2 Answers ...
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Comparing Timer with DispatcherTimer

what is a difference between System.Windows.Forms.Timer() and System.Windows.Threading.DispatcherTimer() ? In which cases, we should use them? any best practices ? ...
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in entity framework code first, how to use KeyAttribute on multiple columns

I'm creating a POCO model to use with entity framework code first CTP5. I'm using the decoration to make a property map to a PK column. But how can I define a PK on more then one column, and specifically, how can I control order of the columns in the index? Is it a result of the order of propert...
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What is the difference between `after_create` and `after_save` and when to use which?

Are after_create and after_save the same as per functionality? 3 Answers 3 ...
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Python Mocking a function from an imported module

I want to understand how to @patch a function from an imported module. 2 Answers 2 ...