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How do I create a random alpha-numeric string in C++?
I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string.
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How to convert a data frame column to numeric type?
...e" to numeric. If there's just one character element in vector, you'll get error when trying to convert that vector to numerical one.
And just to prove my point:
> err <- c(1, "b", 3, 4, "e")
> mode(err)
[1] "character"
> class(err)
[1] "character"
> char <- as.numeric(err)
Warni...
What's the difference between integer class and numeric class in R
I want to preface this by saying I'm an absolute programming beginner, so please excuse how basic this question is.
4 Answ...
How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
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I get this error after running this: java.security.InvalidKeyException: Wrong algorithm: AES or Rijndael required
– Andrew
Aug 24 '16 at 18:58
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HTTP Basic Authentication - what's the expected web browser experience?
When a server allows access via Basic HTTP Authentication, what is the experience expected to be in a web browser ?
6 Answ...
Convert a float64 to an int in Go
How does one convert a float64 to an int in Go? I know the strconv package can be used to convert anything to or from a string, but not between data types where one isn't a string. I know I can use fmt.Sprintf to convert anything to a string, and then strconv it to the data type I need, but th...
Need for predictable random generator
...f turns?
– Alex319
Jul 27 '09 at 18:05
+1 Very nice, also handles less round to-hit probabilities than 20% very easily...
How do you do a case insensitive search using a pattern modifier using less?
It seems like the only way to do this is to pass the -i parameter in when you initially run less. Does anyone know of some secret hack to make something like this work
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Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...ainingUnsafe(final Throwable cause) {
return new RuntimeException("error while obtaining sun.misc.Unsafe", cause);
}
/**
* scenario: test that an CheckedException {@link MyException} can be thrown
* from an method that not declare it.
*/
@Test(expected = MyExcept...