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Create a variable name with “paste” in R?
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In my case function eval() works very good. Below I generate 10 variables and assign them 10 values.
lhs <- rnorm(10)
rhs <- paste("perf.a", 1:10, "<-", lhs, sep="")
eval(parse(text=rhs))
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iOS 6: How do I restrict some views to portrait and allow others to rotate?
...vels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fourth view to the third and the fourth view was in landscape orientation I want everything to rotate back to portrait.
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Which is the first integer that an IEEE 754 float is incapable of representing exactly?
For clarity, if I'm using a language that implements IEE 754 floats and I declare:
2 Answers
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What is the meaning of “vnd” in MIME types?
Reading up on content providers, I keep wondering why both the category and type of Android MIME types are prefixed with vnd. For example:
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Printing all global variables/local variables?
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Type info variables to list "All global and static variable names".
Type info locals to list "Local variables of current stack frame" (names and values), including static variables in that function.
Type info args to list "Arguments of the current stack frame" (n...
How to locate the vimrc file used by vim editor?
Is there a command in the vim editor to find the .vimrc file location?
1 Answer
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Difference Between Invoke and DynamicInvoke
What is the difference between Invoke and DynamicInvoke in delegates? Please give me some code example which explain difference between that two methods.
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How does one use rescue in Ruby without the begin and end block
I know of the standard technique of having a begin rescue end
5 Answers
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Why does csvwriter.writerow() put a comma after each character?
This code opens the url and appends the /names at the end and opens the page and prints the string to test1.csv :
3 Answ...
What's the point of Spring MVC's DelegatingFilterProxy?
...ds a bean ("target bean" or "delegate") in your Spring application context and invokes it. How is it possible? Because this bean implements javax.servlet.Filter, its doFilter method is called.
Which bean is called? the DelegatingFilterProxy "Supports a "targetBeanName" [...], specifying the name of...