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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are going to use a constant for the array as above (with EXCEPTIONS), note that you cannot define it within a defi...
How to copy directories in OS X 10.7.3?
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251
Is there something special with that directory or are you really just asking how to copy direct...
Creating dataframe from a dictionary where entries have different lengths
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85
Here's a simple way to do that:
In[20]: my_dict = dict( A = np.array([1,2]), B = np.array([1,2,...
How to toggle a boolean?
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JordanJordan
28k66 gold badges5050 silver badges6363 bronze badges
9
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$(window).scrollTop() vs. $(document).scrollTop()
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151
They are both going to have the same effect.
However, as pointed out in the comments: $(window...
Git flow release branches and tags - with or without “v” prefix
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answered Feb 7 '14 at 23:52
TimWollaTimWolla
27.5k77 gold badges5757 silver badges8383 bronze badges
...
What is a 'semantic predicate' in ANTLR?
...ws Exception {
ANTLRStringStream in = new ANTLRStringStream("123, 456, 7 , 89");
NumbersLexer lexer = new NumbersLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
NumbersParser parser = new NumbersParser(tokens);
parser.parse();
}
}
T...
Adding a y-axis label to secondary y-axis in matplotlib
...py as np
import matplotlib.pyplot as plt
x = np.arange(0, 10, 0.1)
y1 = 0.05 * x**2
y2 = -1 *y1
fig, ax1 = plt.subplots()
ax2 = ax1.twinx()
ax1.plot(x, y1, 'g-')
ax2.plot(x, y2, 'b-')
ax1.set_xlabel('X data')
ax1.set_ylabel('Y1 data', color='g')
ax2.set_ylabel('Y2 data', color='b')
plt.show()
...