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Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...++ and ran into that exact same issue quite a few times. I recently read about Scala having "traits" that to me seem like something in between the "C++" way and the "Java" way of doing things.
– Niels Basjes
Jul 29 '10 at 21:04
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Get the closest number out of an array
...ich is not optimal if the list is ordered but ok for small lists. Even without a binary search a loop could exit if the next number is further way.
– Dominic
Dec 19 '19 at 5:21
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What is the easiest way to parse an INI file in Java?
...ame));
java.util.prefs.Preferences prefs = new IniPreferences(ini);
System.out.println("grumpy/homePage: " + prefs.node("grumpy").get("homePage", null));
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How many threads is too many?
...subsystem, by all means use the one you have. But, since you were asking about a good cut-off point for threads, I assume your thread pool implementation has the ability to limit the maximum number of threads created (which is a good thing).
I've written thread and database connection pooling code ...
What encoding/code page is cmd.exe using?
...programs use standard C-library I/O functions like printf, the
program’s output encoding must match the console’s output encoding, or
you will get gibberish. chcp shows and sets the current codepage. All
output using standard C-library I/O functions is treated as if it is in the
codepage display...
What is the use case of noop [:] in bash?
...
I use it for if statements when I comment out all the code. For example you have a test:
if [ "$foo" != "1" ]
then
echo Success
fi
but you want to temporarily comment out everything contained within:
if [ "$foo" != "1" ]
then
#echo Success
fi
Which ca...
Use of Java's Collections.singletonList()?
... List list = new ArrayList(Arrays.asList(initList));
System.out.println("List value before: "+list);
// create singleton list
list = Collections.singletonList("OnlyOneElement");
list.add("five"); //throws UnsupportedOperationException
System.out.printl...
Getting mouse position in c#
...ummary>
/// Struct representing a point.
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct POINT
{
public int X;
public int Y;
public static implicit operator Point(POINT point)
{
return new Point(point.X, point.Y);
}
}
/// <summary>
/// ...
Trying to fix line-endings with git filter-branch, but having no luck
...it to rebuild the index, during which it scans each file to make a guess about whether its binary. The rm deletes the old index, reset builds the new index.
– Russ Egan
Oct 15 '12 at 18:30
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Converting Java objects to JSON with Jackson
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Only thing is the String comes out escaped from the ObjectWriter. Use: new JSONObject(ow.writeValueAsString(msg)) if it's being sent out via Web Services like RESTful.
– jmarcosSF
Mar 23 '15 at 6:28
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