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How to store int[] array in application Settings
...r in usage but requires more code. My implementing a custom type and type converter the following code is possible:
List<int> array = Settings.Default.Testing;
array.Add(new Random().Next(10000));
Settings.Default.Testing = array;
Settings.Default.Save();
To achieve this you need a type wi...
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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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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How to organize large R programs?
... different functionality in their own files.
But I don't like R's package system. It's rather hard to use.
I prefer a lightweight alternative, to place a file's functions inside an environment (what every other language calls a "namespace") and attach it. For example, I made a 'util' group of fu...
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
31
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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...
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 to round up the result of integer division?
...
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...
SFTP in Python? (platform independent)
...s most common use cases to just a few lines of code.
import pysftp
import sys
path = './THETARGETDIRECTORY/' + sys.argv[1] #hard-coded
localpath = sys.argv[1]
host = "THEHOST.com" #hard-coded
password = "THEPASSWORD" #hard-coded
username = "THEUSERNAME" ...
Is Python strongly typed?
... In fact, when you overload + on a custom type, you can make it implicitly convert anything to a number:
def to_number(x):
"""Try to convert function argument to float-type object."""
try:
return float(x)
except (TypeError, ValueError):
return 0
class Foo:
def _...