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When should I make explicit use of the `this` pointer?
When should I explicitly write this->member in a method of
a class?
12 Answers
12...
Is there a difference between x++ and ++x in java?
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1: istore_1 // Pop the value on top of the operand stack (`2`) and set the
// value of the local variable at index `1` (`y`) to this value.
2: iload_1 // Push the value (`2`) of the local variable at index `1` (`y`)
// onto the operand stack
3: ...
Breaking up long strings on multiple lines in Ruby without stripping newlines
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Compare two objects and find the differences [duplicate]
...return variances;
}
}
class Variance
{
public string Prop { get; set; }
public object valA { get; set; }
public object valB { get; set; }
}
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What is “point free” style (in Functional Programming)?
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How to avoid overflow in expr. A * B - C * D
... +1 You're the only one to notice this. The only tricky part is setting the compiler to do wrap-around overflow and checking if the correct result actually does fit into a long long.
– Mysticial
Nov 5 '12 at 18:27
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...esponsible to iterate on every channel of the image. For instance, you can set it to iterate on only one channel :) Don't forget to up vote.
– karlphillip
Nov 27 '12 at 17:45
3
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How do I select elements of an array given condition?
...'],
dtype='|S1')
And equivalent way to do this is with np.all() by setting the axis argument appropriately.
>>> output = y[np.all([x > 1, x < 5], axis=0)] # desired output is ['o','o','a']
>>> output
array(['o', 'o', 'a'],
dtype='|S1')
by the numbers:
>&g...
Retrieve database or any other file from the Internal Storage using run-as
On a non-rooted android device, I can navigate to the data folder containing the database using the run-as command with my package name. Most files types I am content with just viewing, but with the database I would like to pull if from the android device.
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Plot a legend outside of the plotting area in base graphics?
...with a bit of adjustment you can get a legend as far right as it can go:
set.seed(1) # just to get the same random numbers
par(xpd=FALSE) # this is usually the default
plot(1:3, rnorm(3), pch = 1, lty = 1, type = "o", ylim=c(-2,2), bty='L')
# this legend gets clipped:
legend(2.8,0,c("group A"...