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How to change value of process.env.PORT in node.js?
I'd like to change the value of process.env.PORT , how can I do this?
4 Answers
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Javascript array search and remove string?
...lter(e => e !== 'B'); // will return ['A', 'C']
The idea is basically to filter the array by selecting all elements different to the element you want to remove.
Note: will remove all occurrences.
EDIT:
If you want to remove only the first occurence:
t = ['A', 'B', 'C', 'B'];
t.splice(t.i...
equals vs Arrays.equals in Java
...ls(array1, array2) compares the contents of the arrays.
Similarly array.toString() may not be very useful and you need to use Arrays.toString(array).
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how to get program files x86 env variable?
I would like to know how I can display the location of Program Files (x86) in command prompt. I'm using Windows 7 64bit.
4...
Difference between GeoJSON and TopoJSON
What is the difference between GeoJSON and TopoJSON and when would I use one over the other?
3 Answers
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why is plotting with Matplotlib so slow?
...n't change the performance at all) consider cleaning up your code, similar to this:
import matplotlib.pyplot as plt
import numpy as np
import time
x = np.arange(0, 2*np.pi, 0.01)
y = np.sin(x)
fig, axes = plt.subplots(nrows=6)
styles = ['r-', 'g-', 'y-', 'm-', 'k-', 'c-']
lines = [ax.plot(x, y, s...
Weird Integer boxing in Java
I just saw code similar to this:
10 Answers
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UIButton Long Press Event
I want to emulate a long a press button, how can I do this? I think a timer is needed.
I see UILongPressGestureRecognizer but how can I utilize this type?
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Embed SVG in SVG?
I have an SVG document, and I would like to include an external svg image within it, i.e. something like:
6 Answers
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What's the _ underscore representative of in Swift References?
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Both answers were correct but I want to clarify a little bit more.
_ is used to modify external parameter name behavior for methods.
In Local and External Parameter Names for Methods section of the documentation, it says:
Swift gives the first parameter na...