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Check whether an array is a subset of another
Any idea on how to check whether that list is a subset of another?
8 Answers
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How to represent multiple conditions in a shell if statement?
I want to represent multiple conditions like this:
8 Answers
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Using String Format to show decimal up to 2 places or simple integer
I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should displa...
How do I show/hide a UIBarButtonItem?
I created a toolbar in IB with several buttons. I would like to be able to hide/show one of the buttons depending on the state of the data in the main window.
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Create an empty data.frame
I'm trying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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Passing arguments with spaces between (bash) script
I've got the following bash two scripts
1 Answer
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How can I import Swift code to Objective-C?
I have written a library in Swift and I wasn't able to import it to my current project, written in Objective-C.
15 Answers
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How do I implement a callback in PHP?
How are callbacks written in PHP?
9 Answers
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Pointer arithmetic for void pointer in C
When a pointer to a particular type (say int , char , float , ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of ...
How can I get the corresponding table header (th) from a table cell (td)?
Given the following table, how would I get the corresponding table header for each td element?
7 Answers
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