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Binding ConverterParameter
...etType, object parameter, CultureInfo culture)
{
return values.All(v => (v is bool && (bool)v))
? Visibility.Visible
: Visibility.Hidden;
}
public object[] ConvertBack(
object value, Type[] targetTypes, object parameter, CultureInfo cul...
Create module variables in Ruby
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+1 Actually, I have been thinking that the term 'class variable' is misleading. Classes are special cases of modules, and class variables are definable on modules. They should be called module variables.
– sawa...
Else clause on Python while statement
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The else clause is executed if you exit a block normally, by hitting the loop condition or falling off the bottom of a try block. It is not executed if you break or return out of a block, or raise an exception. It works for not only while and for loops, but also try blocks.
Y...
JavaScript displaying a float to 2 decimal places
...@anwar you can't reliably round a float (arguably you can round a float at all) - you'll get something like 0.0500 or even 0.0500000000001. See floating-point-gui.de
– jmc
Jan 12 '18 at 0:08
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In CoffeeScript how do you append a value to an Array?
...re correct, it does replace it, not append. The point is, however, that usually when you are pushing, you are often doing something quite like an array comprehension anyway. Not in all cases, admittedly, but a lot of the time.
– suranyami
Feb 26 '12 at 8:32
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npm failed to install time with make not found error
When i try to install time on nodejs server i get the below error:
5 Answers
5
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Why should I use the keyword “final” on a method parameter in Java?
I can't understand where the final keyword is really handy when it is used on method parameters.
12 Answers
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Java: using switch statement with enum under subclass
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Ok i feel so stupid :-( You are totally right, i was convinced i tried this exact line and got an error with that so i moved to qualify case, but your suggestion DOES work.
– Popokoko
Apr 15 '12 at 11:09
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Can I split an already split hunk with git?
... discovered git's patch option to the add command, and I must say it really is a fantastic feature.
I also discovered that a large hunk could be split into smaller hunks by hitting the s key, which adds to the precision of the commit.
But what if I want even more precision, if the split hunk i...
Does using final for variables in Java improve garbage collection?
...ive objects.
The JVM uses a mark-sweep GC algorithm, which has to examine all the live refereces in the GC "root" locations (like all the objects in the current call stack). Each live object is "marked" as being alive, and any object referred to by a live object is also marked as being alive.
Afte...