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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 any particular difference between intval and casting to int - `(int) X`?
...
intval() can be passed a base from which to convert. (int) cannot.
int intval( mixed $var [, int $base = 10 ] )
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Find current directory and file's directory [duplicate]
...h string or bytes objects, and did not support Path objects, so you had to convert Path objects to strings or use Path.open() method, but the latter option required you to change old code:
$ cat scripts/2.py
from pathlib import Path
p = Path(__file__).resolve()
with p.open() as f: pass
with open(...
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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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
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Set default encoder at the top of your code
import sys
reload(sys)
sys.setdefaultencoding("ISO-8859-1")
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...
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...
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...
Why is enum class preferred over plain enum?
... enumerator names are local to the enum and their values do not implicitly convert to other types (like another enum or int)
Plain enums - where enumerator names are in the same scope as the enum and their
values implicitly convert to integers and other types
Example:
enum Color { red, green, blu...
How do I convert between big-endian and little-endian values in C++?
How do I convert between big-endian and little-endian values in C++?
31 Answers
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