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How to produce a range with step n in bash? (generate a sequence of numbers with increments)
...a loop with a prescribed step value. It sounds simpler than all of the seq based answers, and is a clearer syntax than Bash4 brace expansion, and looks like it would allow for variables (I haven't tried that, but the syntax definitely suggests that).
– tobylaroni
...
How to plot two histograms together in R?
...
Here is an even simpler solution using base graphics and alpha-blending (which does not work on all graphics devices):
set.seed(42)
p1 <- hist(rnorm(500,4)) # centered at 4
p2 <- hist(rnorm(500,6)) # centered at 6
plo...
What's the best way to iterate over two or more containers simultaneously
...over indices. But not with the classical for loop but instead with a range-based for loop over the indices:
for(unsigned i : indices(containerA)) {
containerA[i] = containerB[i];
}
indices is a simple wrapper function which returns a (lazily evaluated) range for the indices. Since the impleme...
Why do all browsers' user agents start with “Mozilla/”?
...
Mozilla and Firefox codebase was originally part of Netscape though. That's why many of Firefox internal APIs has "ns" as its prefix.
– Lie Ryan
Dec 10 '14 at 0:09
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How can I create tests in Android Studio?
Just downloaded Android Studio which is based off of the Intellij Idea.
12 Answers
12
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Scatter plot and Color mapping in Python
...e(100)
plt.scatter(x, y, c=t)
plt.show()
Here you are setting the color based on the index, t, which is just an array of [1, 2, ..., 100].
Perhaps an easier-to-understand example is the slightly simpler
import numpy as np
import matplotlib.pyplot as plt
x = np.arange(100)
y = x
t = x
plt.scat...
Android: how to make an activity return results to the activity which calls it?
... // String returnedResult = data.getDataString();
}
}
}
EDIT based on your comment:
If you want to return three strings, then follow this by making use of key/value pairs with intent instead of using Uri.
Intent data = new Intent();
data.putExtra("streetkey","streetname");
data.putExt...
What are all the differences between src and data-src attributes?
...
Angular.js also uses data-src for late binding of urls based on the model
– Jeff
Mar 24 '14 at 17:20
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Proper Repository Pattern Design in PHP?
...g to use the repository pattern in an MVC architecture with relational databases.
11 Answers
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How to clone a case class instance and change just one field in Scala?
...na1 = messageLens.set(existingPersona)(Set.empty)
// or by other operation based on current value.
val newPersona2 = messageLens.modify(existingPersona)(_ + "iPad")
// Results:
// newPersona1: Persona(store,apple,Set())
// newPersona2: Persona(store,apple,Set(iPhone, iPad))
Moreover, in case you ...