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Window.open and pass parameters by post method
...lues in the HTML code), just open an empty window and post a form to it.
Example:
<form id="TheForm" method="post" action="test.asp" target="TheWindow">
<input type="hidden" name="something" value="something" />
<input type="hidden" name="more" value="something" />
<input type...
How to properly assert that an exception gets raised in pytest?
...ytest print traceback, so I would see where in the whatever function an exception was raised?
11 Answers
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Bash empty array expansion with `set -u`
...g a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
...
How do you echo a 4-digit Unicode character in Bash?
...t, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
18 Answers
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Undefined behavior and sequence points
...uence Points?
The Standard says
At certain specified points in the execution sequence called sequence points, all side effects of previous evaluations
shall be complete and no side effects of subsequent evaluations shall have taken place. (§1.9/7)
Side effects? What are side effects?
E...
Latest jQuery version on Google's CDN
...t
inadvertent web breakage and no longer updates the file at
http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js. That file
will stay locked at version 1.11.1 as well.
The following, now moot, answer is preserved here for historical reasons.
Don't do this. Seriously, don't.
Linking t...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
...
You can simply check whether the multisets with the elements of x and y are equal:
import collections
collections.Counter(x) == collections.Counter(y)
This requires the elements to be hashable; runtime will be in O(n), where n is the size of the lists.
If the elements are also unique,...
How to check if variable is string with python 2 and 3 compatibility
I'm aware that I can use: isinstance(x, str) in python-3.x but I need to check if something is a string in python-2.x as well. Will isinstance(x, str) work as expected in python-2.x? Or will I need to check the version and use isinstance(x, basestr) ?
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Union of dict objects in Python [duplicate]
...ne of the dicts as keyword arguments to the dict() constructor:
dict(y, **x)
Duplicates are resolved in favor of the value in x; for example
dict({'a' : 'y[a]'}, **{'a', 'x[a]'}) == {'a' : 'x[a]'}
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Matplotlib scatterplot; colour as a function of a third variable
.....
import numpy as np
import matplotlib.pyplot as plt
# Generate data...
x = np.random.random(10)
y = np.random.random(10)
# Plot...
plt.scatter(x, y, c=y, s=500)
plt.gray()
plt.show()
Or, if you'd prefer a wider range of colormaps, you can also specify the cmap kwarg to scatter. To use the...