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How to document a method with parameter(s)?
...ority: The priority of the message, can be a number 1-5
:type priority: integer or None
:return: the message id
:rtype: int
:raises ValueError: if the message_body exceeds 160 characters
:raises TypeError: if the message_body is not a basestring
'''
This markup supports cross-ref...
Weighted random numbers
...om number is less than that item's weight
Pseudo-code illustrating this:
int sum_of_weight = 0;
for(int i=0; i<num_choices; i++) {
sum_of_weight += choice_weight[i];
}
int rnd = random(sum_of_weight);
for(int i=0; i<num_choices; i++) {
if(rnd < choice_weight[i])
return i;
rnd -...
Command to get time in milliseconds
... output is:
3010
This is a very cheap operation, which works with shell internals and procfs.
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How can I read input from the console using the Scanner class in Java?
...xample to illustrate how java.util.Scanner works would be reading a single integer from System.in. It's really quite simple.
Scanner sc = new Scanner(System.in);
int i = sc.nextInt();
To retrieve a username I would probably use sc.nextLine().
System.out.println("Enter your username: ");
Scanner ...
How to scale threads according to CPU cores?
...al problem with multiple threads in Java. my math problem can be separated into work units, that I want to have solved in several threads.
...
Set Locale programmatically
... displayMetrics = resources.getDisplayMetrics();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1){
configuration.setLocale(locale);
} else{
configuration.locale=locale;
}
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.N){
getApplicationC...
Throw keyword in function's signature
...ly considered a bad idea.
http://www.gotw.ca/publications/mill22.htm goes into a lot more detail about why, but the problem is partly that the compiler is unable to enforce this, so it has to be checked at runtime, which is usually undesirable. And it is not well supported in any case. (MSVC ignore...
stdlib and colored output in C
...define ANSI_COLOR_CYAN "\x1b[36m"
#define ANSI_COLOR_RESET "\x1b[0m"
int main (int argc, char const *argv[]) {
printf(ANSI_COLOR_RED "This text is RED!" ANSI_COLOR_RESET "\n");
printf(ANSI_COLOR_GREEN "This text is GREEN!" ANSI_COLOR_RESET "\n");
printf(ANSI_COLOR_YELLOW "T...
Android: how to make an activity return results to the activity which calls it?
... got the result from the activity you started.
startActivityForResult(new Intent(“YourFullyQualifiedClassName”),requestCode);
In the activity you can make use of setData() to return result.
Intent data = new Intent();
String text = "Result to be returned...."
//---set the data to pass back--...
Static method in a generic class?
...
@Andre: Your intuition is not unfounded; C# does indeed treat generics this way.
– jyoungdev
Nov 26 '10 at 14:25
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