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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
... the two arrays to be evaluated in boolean context (by
calling __bool__ in Python3 or __nonzero__ in Python2).
Your original code
mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate))
selected = r[mask]
looks correct. However, if you do want and, then instead of a and b use (a-b).any...
Get list of all routes defined in the Flask app
...ution above is too complex.
Just open a new shell under your project:
python
>>> from app import app
>>> app.url_map
The first 'app' is my project script: app.py,
another is my web's name.
(this solution is for tiny web with a little route)
...
How to remove the first Item from a list?
...
Python List
list.pop(index)
>>> l = ['a', 'b', 'c', 'd']
>>> l.pop(0)
'a'
>>> l
['b', 'c', 'd']
>>>
del list[index]
>>> l = ['a', 'b', 'c', 'd']
>>> del l[0]
>>...
Unit Testing C Code [closed]
...theories, and that can output to multiple formats, including TAP and JUnit XML. Each test is run in its own process, so signals and crashes can be reported or tested if needed.
See the Criterion homepage for more information.
HWUT
HWUT is a general Unit Test tool with great support for C. It can hel...
How to run JUnit test cases from the command line
...orts/tests/index.html
Ant way
Once you set up your Ant build file build.xml, you can run your JUnit test cases from the command line as below:
ant -f build.xml <Your JUnit test target name>
You can follow the link below to read more about how to configure JUnit tests in the Ant build fil...
Creating a segue programmatically
...gue here and a segue there, but managing 6 views with 16 segues defined in XML, when you have three developers all fiddling with it is terrible. Anyway, the point is: code gives you control, xml generated by xcode does not.
– Krystian
Oct 3 '13 at 16:46
...
how does multiplication differ for NumPy Matrix vs Array classes?
...ally I find it more trouble than it's worth, though.
For arrays (prior to Python 3.5), use dot instead of matrixmultiply.
E.g.
import numpy as np
x = np.arange(9).reshape((3,3))
y = np.arange(3)
print np.dot(x,y)
Or in newer versions of numpy, simply use x.dot(y)
Personally, I find it much mo...
Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
...tions to some extent rely on the underlying transport in any case. SOAP is XML-based and therein WS-Security was later layered in as an application-data security implementation. Otherwise good information.
– Darrell Teague
Jan 31 '13 at 22:55
...
ValueError : I/O operation on closed file
...
True, but this is always the case in python when mixing them up right?
– Nebulosar
Apr 20 '18 at 9:24
add a comment
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How do I expand the output display to see more columns of a pandas DataFrame?
...ring() or info() is used to render an object to a string. In case
python/IPython is running in a terminal this can be set to 0 and pandas
will correctly auto-detect the width the terminal and swap to a smaller
format in case all columns would not fit vertically. The IPython ...