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How to resize a tableHeaderView of a UITableView?

I'm having trouble resizing a tableHeaderView. It simple doesn't work. 19 Answers 19 ...
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Linear Regression and group by in R

I want to do a linear regression in R using the lm() function. My data is an annual time series with one field for year (22 years) and another for state (50 states). I want to fit a regression for each state so that at the end I have a vector of lm responses. I can imagine doing for loop for each ...
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jQuery OR Selector?

I am wondering if there is a way to have "OR" logic in jQuery selectors. For example, I know an element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality? ...
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What exactly does @synthesize do?

I have seen the following piece of code: 8 Answers 8 ...
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Set NOW() as Default Value for datetime datatype?

I have two columns in table users namely registerDate and lastVisitDate which consist of datetime data type. I would like to do the following. ...
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Double not (!!) operator in PHP

What does the double not operator do in PHP? 6 Answers 6 ...
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Convert file path to a file URI?

Does the .NET Framework have any methods for converting a path (e.g. "C:\whatever.txt" ) into a file URI (e.g. "file:///C:/whatever.txt" )? ...
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How to convert a string to number in TypeScript?

Given a string representation of a number, how can I convert it to number type in TypeScript? 17 Answers ...
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TypeError: $.ajax(…) is not a function?

I'm trying to create a simple AJAX request which returns some data from a MySQL database. Here's my function below: 13 Answ...
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How to make grep only match if the entire line matches?

I have these: 12 Answers 12 ...