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How to get object size in m>me m>mory? [duplicate]
I need to know how much bytes my object consum>me m>s in m>me m>mory (in C#). for example how much my Hashtable , or SortedList , or List<String> .
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
... sure this is a compiler bug. Nice find!
Edit: it is not a bug, as Quarterm>me m>ister demonstrates; dynamic might implem>me m>nt a weird true operator which might cause y to never be initialized.
Here's a minimal repro:
class Program
{
static bool M(out int x)
{
x = 123;
return ...
Does Swift support reflection?
Does Swift support reflection? e.g. is there som>me m>thing like valueForKeyPath: and setValue:forKeyPath: for Swift objects?
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Postgres manually alter sequence
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The parentheses are misplaced:
SELECT setval('paym>me m>nts_id_seq', 21, true); # next value will be 22
Otherwise you're calling setval with a single argum>me m>nt, while it requires two or three.
share
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Error: free(): invalid next size (fast):
... on Ubuntu 10.10. It pops up randomly when I run the executable (maybe 2 tim>me m>s in 8 hours, with 10 compiles an hour). However, if I make clean and recompile it goes away most of the tim>me m>.
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Remove 'a' from legend when using aesthetics and geom_text
...ecies)) +
geom_point() +
geom_text(show.legend = FALSE)
The argum>me m>nt show_guide changed nam>me m> to show.legend in ggplot2 2.0.0 (see release news).
Pre-ggplot2 2.0.0:
With show_guide = FALSE like so...
ggplot( data=iris, aes(x=Sepal.Length, y=Sepal.Width , colour = Species , shape = Spe...
How to set the title of DialogFragm>me m>nt?
This should be a simple task, but for som>me m> reason I can find a way to set the title of a DialogFragm>me m>nt . (I am setting the dialog contents using onCreateView overload).
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Preserve colouring after piping grep to grep
... simlar question in Preserve ls colouring after grep’ing but it annoys m>me m> that if you pipe colored grep output into another grep that the coloring is not preserved.
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Observer Design Pattern vs “Listeners”
It seems to m>me m> that the Observer design pattern as described in GOF is really the sam>me m> thing as Listeners found in various toolkits. Is there a difference between the concepts, or are Listeners and Observers really the sam>me m> thing.
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When to use nested classes and classes nested in modules?
...el class. For instance, in Java,
class Car {
class Wheel { }
}
only m>me m>thods in the Car class can create Wheels.
Ruby doesn’t have that behaviour.
In Ruby,
class Car
class Wheel
end
end
differs from
class Car
end
class Wheel
end
only in the nam>me m> of the class Wheel vs. Car::Wheel...