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Apply a function to every row of a matrix or a data frame
Suppose I have a n by 2 matrix and a function that takes a 2-vector as one of its arguments. I would like to apply the function to each row of the matrix and get a n-vector. How to do this in R?
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Why no ICloneable?
... answered Feb 11 '09 at 11:16
Andrey ShchekinAndrey Shchekin
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
...x isn't quite right: you need to list the fields in order before the INTO, and the corresponding target variables after:
SELECT Id, dateCreated
INTO iId, dCreate
FROM products
WHERE pName = iName
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How to exit a 'git status' list in a terminal?
I'm new to Git and the terminal. How can I exit a listing mode generated by the git status command?
14 Answers
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How do I create a unique ID in Java? [duplicate]
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Create a UUID.
String uniqueID = UUID.randomUUID().toString();
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MS-DOS Batch file pause with enter key
Is it possible in MS-DOS batch file to pause the script and wait for user to hit enter key?
5 Answers
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How do I determine file encoding in OS X?
...hich says its default encoding is UTF-8), but LaTeX doesn't seem to understand them.
15 Answers
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Does Java have something like C#'s ref and out keywords?
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No, Java doesn't have something like C#'s ref and out keywords for passing by reference.
You can only pass by value in Java. Even references are passed by value. See Jon Skeet's page about parameter passing in Java for more details.
To do something similar to ref or ou...
Is it possible to await an event instead of another async method?
...something like that. It just means “you can use await in this method”. And in this case, blocking inside GetResults() would actually block the UI thread.
– svick
Oct 12 '12 at 12:24
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How to pass event as argument to an inline event handler in JavaScript?
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(And for anyone wondering: Yes, this does work on Chrome, Firefox, etc., even though some [Firefox, for instance] don't have a global event object. It's because the context in which the DOM0 handler is called has an event obje...