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What's the advantage of a Java enum versus a class with public static final fields?
...ing to work more in Java. I expected to learn that enums in Java were basically equivalent to those in C# but apparently this is not the case. Initially I was excited to learn that Java enums could contain multiple pieces of data which seems very advantageous ( http://docs.oracle.com/javase/tutorial...
How to get the width and height of an android.widget.ImageView?
...rue" to true :)
– AZ_
Jan 13 '11 at 15:14
hey but while debugging pointer don't go minside onPreDraw().Why is it so?
...
Return None if Dictionary key is not available
...d.get(key) or "empty".
– cib
Jul 5 '15 at 17:07
15
@cib: Good point, but the solution has a simil...
Drop data frame columns by name
...d like to remove from a data frame. I know that we can delete them individually using something like:
20 Answers
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Scala @ operator
...
This is also covered under "Variable binding" in Section 15.2 of "Programming in Scala - 2nd Edition" and used again in section 26.3 (the chapter on extractors).
– Shaun the Sheep
Sep 18 '11 at 20:46
...
Make first letter of a string upper case (with maximum performance)
...t.First().ToString().ToUpper() + input.Substring(1);
}
}
}
Really old answers
public static string FirstCharToUpper(string input)
{
if (String.IsNullOrEmpty(input))
throw new ArgumentException("ARGH!");
return input.First().ToString().ToUpper() + String.Join("", input....
How do I inspect the view hierarchy in iOS?
...of the sliders.
– Carl Smith
Sep 4 '15 at 4:18
Once you start relying on this tool it always craps out. I don't know w...
Can I use the range operator with if statement in Swift?
...nt with an expression pattern (which uses the pattern-match
operator internally):
switch statusCode {
case 200 ... 299:
print("success")
default:
print("failure")
}
Note that ..< denotes a range that omits the upper value, so you probably want
200 ... 299 or 200 ..< 300.
Additional...
How to sort with a lambda?
...t wiped!
– pancake
Jun 29 '14 at 22:15
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show 4 more comments
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IN clause and placeholders
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edited Feb 15 '13 at 21:06
answered Sep 14 '11 at 15:36
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