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How to convert a byte array to a hex string in Java?
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I just found javax.xml.bind.DataTypeConverter, part of the standard distribution. Why doesn't this come up when you Google this kind of problem? Lots helpful tools, including String printHexBinary(byte[]) and byte[] parseHexBinary(String). printHexBinary is, ...
Printing hexadecimal characters in C
...een promoted according to the integer promotions, but its value shall be
converted to signed char or unsigned char before printing); or that
a following
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Difference between method and function in Scala
...imilarity between a method and a function is that the former can be easily converted into the latter:
val f = m _
Scala will expand that, assuming m type is (List[Int])AnyRef into (Scala 2.7):
val f = new AnyRef with Function1[List[Int], AnyRef] {
def apply(x$1: List[Int]) = this.m(x$1)
}
On...
Is there a way to get rid of accents and convert a whole string to regular letters?
... You probably want to use Normalizer.Form.NFKD rather than NFD - NFKD will convert things like ligatures into ascii characters (eg fi to fi), NFD will not do this.
– chesterm8
Feb 15 '17 at 0:57
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Is there any particular difference between intval and casting to int - `(int) X`?
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intval() can be passed a base from which to convert. (int) cannot.
int intval( mixed $var [, int $base = 10 ] )
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Scala: write string to file in one statement
... that from a Scala Iterable, i.e. pretty much any collection type, using a converter: import java.nio.file.{Files, Paths}; import scala.collection.JavaConverters.asJavaIterableConverter; val output = List("1", "2", "3"); Files.write(Paths.get("output.txt"), output.asJava)
– Yaw...
Extract month and year from a zoo::yearmon object
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You can use format:
library(zoo)
x <- as.yearmon(Sys.time())
format(x,"%b")
[1] "Mar"
format(x,"%Y")
[1] "2012"
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How to round up the result of integer division?
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Converting to floating point and back seems like a huge waste of time at the CPU level.
Ian Nelson's solution:
int pageCount = (records + recordsPerPage - 1) / recordsPerPage;
Can be simplified to:
int pageCount = (recor...
How do I write output in same place on the console?
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You can also use the carriage return:
sys.stdout.write("Download progress: %d%% \r" % (progress) )
sys.stdout.flush()
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Generating Random Passwords
...h];
for (int i = 0; i < length; i++)
{
ulong value = BitConverter.ToUInt64(bytes, i * 8);
result[i] = characterArray[value % (uint)characterArray.Length];
}
return new string(result);
}
(This is a copy of my answer to How can I generate random 8 character, alphan...