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How to set a Timer in Java?
... DB operation. There is a common misconception that you need a "timer" in order to time things, but you don't. You need only to DO something, and by using the current time make sure you don't DO IT too long.
– AgilePro
Jan 14 '13 at 18:35
...
jQuery Event Keypress: Which key was pressed?
...//the input as it's being typed.
//You may need to use a timeout in order to allow the input to be updated
}, 5);
});
if(e.key == "Enter")
{
//Enter key was pressed, do stuff
}else if(e.key == "Spacebar")
{
//Spacebar was pressed, do stuff
}
});
H...
What is the fastest way to compare two sets in Java?
... specific cases where:
the sets are both sorted
both sorted in the same order
The following code assumes that both sets are based on the records comparable. A similar method could be based on on a Comparator.
public class SortedSetComparitor <Foo extends Comparable<Foo>>
...
How do I find out if first character of a string is a number?
...ion is not Java. 2) This only allows Arabic numerals, not Chinese, Indian, etc. That might be what you prefer, but it isn't specified in the question. 3) I already covered this exact solution in my answer four years ago.
– Michael Myers♦
May 23 '13 at 15:44
...
Does use of final keyword in Java improve the performance?
...arlier tests will warmup the JVM and benefit the later test invocations. Reorder your tests and see what happens. You need to run each test in its own JVM instance.
– Steve Kuo
Jun 5 '14 at 21:56
...
Python requests - print entire http request (raw)?
...the simple response = requests.post(...) (or requests.get or requests.put, etc) methods, you can actually get the PreparedResponse through response.request. It can save the work of manually manipulating requests.Request and requests.Session, if you don't need to access the raw http data before you r...
Using try vs if in python
...xpected never to be empty (but might be, if, for instance, a disk crashed, etc), the second approach makes sense. If, on the other hand, an empty result is perfectly reasonable under normal conditions, testing for it with an if statement makes more sense.
I had in mind the (more common) scenario:
...
JavaScript loop through json array?
...in ... is a language construct for enumerating object keys in an arbitrary order. That is not the right construct for an array.
– Eric
Aug 14 '13 at 20:18
add a comment
...
What really happens in a try { return x; } finally { x = null; } statement?
... statement is executed, but the return value isn't affected. The execution order is:
Code before return statement is executed
Expression in return statement is evaluated
finally block is executed
Result evaluated in step 2 is returned
Here's a short program to demonstrate:
using System;
class ...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
... ....
}
2) Passing methods to async-task
In order to avoid coding the async-Task infrastructure (thread, messagenhandler, ...) multiple times you might consider to pass the methods which should be executed in your async-task as a parameter. Following example outlines t...