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Error installing libv8: ERROR: Failed to build gem native extension
...
try this one:
gem install libv8 -v '3.16.14.3' -- --with-system-v8
Note : Because libv8 is the interface for the V8 engine used by therubyracer,
you may need to use libv8, even if you have V8 installed already. If
you wish to use your own V8 ins...
Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
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– Sebastian Sastre
Oct 20 '16 at 13:18
6
My issue seems to have been related to python installatio...
How to validate phone numbers using regex
...ld discard the (0) entirely).
Then, you end up with values like:
12345678901
12345678901x1234
345678901x1234
12344678901
12345678901
12345678901
12345678901
+4112345678
+441234567890
Then when you display, reformat to your hearts content. e.g.
1 (234) 567-8901
1 (234) 567-8901 x123...
Does a valid XML file require an XML declaration?
... of Xerces.
Is the XML declaration <?xml version="1.0" encoding="UTF-8"?> required?
3 Answers
...
How to create a density plot in matplotlib?
...s np
from scipy.stats import gaussian_kde
data = [1.5]*7 + [2.5]*2 + [3.5]*8 + [4.5]*3 + [5.5]*1 + [6.5]*8
density = gaussian_kde(data)
xs = np.linspace(0,8,200)
density.covariance_factor = lambda : .25
density._compute_covariance()
plt.plot(xs,density(xs))
plt.show()
I get
which is pretty clos...
PHP - How to check if a string contains a specific text [duplicate]
...
8 Answers
8
Active
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How to compare times in Python?
...datetime.now() ) is earlier, later or the same than a specified time (e.g. 8am) regardless of the date.
8 Answers
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...allows you to switch from the default ASCII to other encodings such as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Python start-up time, when Python scans the environment. It has to be called in a system-wide mo...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
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189
See https://polarssl.org/kb/cryptography/asn1-key-structures-in-der-and-pem (search the page fo...