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How can I trim leading and trailing white space?

I am having some troubles with leading and trailing white space in a data.frame. 13 Answers ...
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Instantiating a generic class in Java [duplicate]

...ested in - any way of specifying the appropriate Class<T> reference) and keep that value as a field: public class Test { public static void main(String[] args) throws IllegalAccessException, InstantiationException { Generic<Bar> x = new Generic<>(Bar.class)...
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Mapping many-to-many association table with extra column(s)

My database contains 3 tables: User and Service entities have many-to-many relationship and are joined with the SERVICE_USER table as follows: ...
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What is the correct syntax for 'else if'?

... python "else if" is spelled "elif". Also, you need a colon after the elif and the else. Simple answer to a simple question. I had the same problem, when I first started (in the last couple of weeks). So your code should read: def function(a): if a == '1': print('1a') elif a == '2...
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Change Default Scrolling Behavior of UITableView Section Header

... 0 header height, you'll see that finger-feel is affected (try like "1000" and you'll see the bounce behaviour is sort of weird at the top). if the number matches your section 0 header height, finger feel seems to be either perfect or near-perfect.} ...
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How to reset radiobuttons in jQuery so that none is checked

...e note 2 below). Note 1: it is important that the second argument be false and not "false" since "false" is not a falsy value. i.e. if ("false") { alert("Truthy value. You will see an alert"); } Note 2: As of jQuery 1.6.0, there are now two similar methods, .attr and .prop that do two related b...
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Calculate the number of business days between two dates?

... I've had such a task before and I've got the solution. I would avoid enumerating all days in between when it's avoidable, which is the case here. I don't even mention creating a bunch of DateTime instances, as I saw in one of the answers above. This is ...
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How do I get list of methods in a Python class?

I want to iterate through the methods in a class, or handle class or instance objects differently based on the methods present. How do I get a list of class methods? ...
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I get a “An attempt was made to load a program with an incorrect format” error on a SQL Server repli

...llow 32bit applications. Open up IIS Manager, right click on the app pool, and select Advanced Settings (See below) Then set "Enable 32-bit Applications" to True. All done! share | improve thi...
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Determine path of the executing script

... Here there is a simple solution for the problem. This command: script.dir <- dirname(sys.frame(1)$ofile) returns the path of the current script file. It works after the script was saved. share ...