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How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
... com.google.common.base.Preconditions.*;
String getDayOfMonthSuffix(final int n) {
checkArgument(n >= 1 && n <= 31, "illegal day of month: " + n);
if (n >= 11 && n <= 13) {
return "th";
}
switch (n % 10) {
case 1: return "st";
cas...
Can I “multiply” a string (in C#)?
...r code is elegant for C#, as it currently stands, for this problem. The point I'm trying to make is: (I believe) it would be very easy (for microsoft, as strings are sealed) to extend C# to overload the * operator to allow int * string multiplication. Which would then actually be elegant in some ...
How do pointer to pointers work in C?
How do pointers to pointers work in C?
When would you use them?
14 Answers
14
...
What is the difference between a reference type and value type in c#?
...
Your examples are a little odd because while int, bool and float are specific types, interfaces and delegates are kinds of type - just like struct and enum are kinds of value types.
I've written an explanation of reference types and value types in this article. I'd be ...
How to find an available port?
...sten on any free port.
ServerSocket s = new ServerSocket(0);
System.out.println("listening on port: " + s.getLocalPort());
If you want to use a specific set of ports, then the easiest way is probably to iterate through them until one works. Something like this:
public ServerSocket create(int[] p...
Android Camera : data intent returns null
...
The default Android camera application returns a non-null intent only when passing back a thumbnail in the returned Intent. If you pass EXTRA_OUTPUT with a URI to write to, it will return a null intent and the picture is in the URI that you passed in.
You can verify this by looking...
How many levels of pointers can we have?
How many pointers ( * ) are allowed in a single variable?
14 Answers
14
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How to generate random SHA1 hash to use as ID in node.js?
... in modern browsers, if you'd like
// str byteToHex(uint8 byte)
// converts a single byte to a hex string
function byteToHex(byte) {
return ('0' + byte.toString(16)).slice(-2);
}
// str generateId(int len);
// len - must be an even number (default: 40)
function generateId(len = ...
Randomize a List
...
public static void Shuffle<T>(this IList<T> list)
{
int n = list.Count;
while (n > 1) {
n--;
int k = rng.Next(n + 1);
T value = list[k];
list[k] = list[n];
list[n] = value;
}
}
Usage:
List<Product> pro...
Python, add trailing slash to directory string, os independently
...OS X, this returns the path unchanged; on case-insensitive filesystems, it converts the path to lowercase. On Windows, it also converts forward slashes to backward slashes.
Else you could look for something else on this page
...