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How to find topmost view controller on iOS
...red May 25 '11 at 21:42
Wilbur VandrsmithWilbur Vandrsmith
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Replacement for “rename” in dplyr
...e plyr's renaming function rename . I have recently started using dplyr, and was wondering if there is an easy way to rename variables using a function from dplyr, that is as easy to use as to plyr's rename ?
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Are 2^n and n*2^n in the same time complexity?
... answer this question.
The definition is that f(x) belongs to O(g(x)) if and only if the limit limsupx → ∞ (f(x)/g(x)) exists i.e. is not infinity. In short this means that there exists a constant M, such that value of f(x)/g(x) is never greater than M.
In the case of your question let f(n) ...
Remove 'a' from legend when using aesthetics and geom_text
... this was not that obvious. A proper example would have used the OP's code and just added the missing argument like this:
..
geom_text(aes(label=Species), show_guide = F) +
..
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How to get the user input in Java?
...stem.in);
String s = scan.next();
int i = scan.nextInt();
BufferedReader and InputStreamReader classes
import java.io.BufferedReader;
import java.io.InputStreamReader;
//...
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String s = br.readLine();
int i = Integer.parseInt...
CSS way to horizontally align table
... a table using CSS. Conforming browsers ought to center tables if the left and right margins are equal. The simplest way to accomplish this is to set the left and right margins to “auto.” Thus, one might write in a style sheet:
table
{
margin-left: auto;
margin-right: auto;
}
But th...
How to put a new line into a wpf TextBlock control?
I'm fetching text from an XML file, and I'd like to insert some new lines that are interpreted by the textblock render as new lines.
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File Upload without Form
...g POST method using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'.
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Trim a string based on the string length
...nts, or (worse) truncate in the middle of a surrogate pair. On the other hand, String.length() is no longer an ideal measure of Unicode text length, so trimming based on it may be the wrong thing to do.
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How to set JVM parameters for Junit Unit Tests?
...ionality for a webstart app that will only run with sufficient heap-space, and will be run internally on Win 7 64-bit machines - so redesigning the tests isn't a practical suggestion.)
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