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Best way to represent a fraction in Java?
...too long ago, for Project Euler problems. It keeps a BigInteger numerator and denominator, so it'll never overflow. But it'll be a tad slow for a lot of operations that you know will never overflow.. anyway, use it if you want it. I've been dying to show this off somehow. :)
Edit: Latest and gre...
Declare slice or make slice?
In Go, what is the difference between var s []int and s := make([]int, 0) ?
4 Answers
...
Difference between `data` and `newtype` in Haskell
...resentation at runtime, as the type that you wrap.
While data declares a brand new data structure at runtime.
So the key point here is that the construct for the newtype is guaranteed to be erased at compile time.
Examples:
data Book = Book Int Int
newtype Book = Book (Int, Int)
Note ...
What is the memory consumption of an object in Java?
...en decide up front which one to call.
Then of course the hardware and OS have multilayer caches, on chip-cache, SRAM cache, DRAM cache, ordinary RAM working set and backing store on disk. Your data may be duplicated at every cache level. All this complexity means you can only very roughly p...
Find out if ListView is scrolled to the bottom?
...tion.
Implement an OnScrollListener, set your ListView's onScrollListener and then you should be able to handle things correctly.
For example:
private int preLast;
// Initialization stuff.
yourListView.setOnScrollListener(this);
// ... ... ...
@Override
public void onScroll(AbsListView lw, fin...
Height of status bar in Android [duplicate]
What's the height of the status bar in Android? Is it always the same?
23 Answers
23
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How can I pass a list as a command-line argument with argparse?
I am trying to pass a list as an argument to a command line program. Is there an argparse option to pass a list as option?
...
How do I add 1 day to an NSDate?
... Yes works well for daylight savings. Tip for DST check: Reset date and time on your mac and then restart your simulator, it will then follow your system time.
– Rob van den Berg
Apr 1 '13 at 5:00
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How to save/restore serializable object to/from file?
...riter writer = null;
try
{
var contentsToWriteToFile = JsonConvert.SerializeObject(objectToWrite);
writer = new StreamWriter(filePath, append);
writer.Write(contentsToWriteToFile);
}
finally
{
if (writer != null)
writer.Close();
}
}...
Javascript: formatting a rounded number to N decimals
... this is not a common way, e.g, toFixed(16.775, 2) return 16.77. Convert number to String then convert is the only way.
– hiway
Jun 4 '14 at 3:49
2
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