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difference between iframe, embed and object elements
HTML5 defines several embedded content elements, which, from a bird's-eye view, seem to be very similar to the point of being largely identical.
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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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Ruby: How to turn a hash into HTTP parameters?
That is pretty easy with a plain hash like
13 Answers
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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
Ruby has two different exceptions mechanisms: Throw/Catch and Raise/Rescue.
3 Answers
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How does View Controller Containment work in iOS 5?
In WWDC 2011 Session 102, Apple introduced View Controller Containment, which is the ability to create custom view controller containers, analogous to UITabBarController , UINavigationController , and the like.
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What does git push origin HEAD mean?
I found, in the official guide :
1 Answer
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Generic method multiple (OR) type constraint
Reading this , I learned it was possible to allow a method to accept parameters of multiple types by making it a generic method. In the example, the following code is used with a type constraint to ensure "U" is an IEnumerable<T> .
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Assign output to variable in Bash
I'm trying to assign the output of cURL into a variable like so:
2 Answers
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windows batch SET inside IF not working
when I'm running this script (from a .bat file):
2 Answers
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