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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...
Counting inversions in an array
...
In Python
# O(n log n)
def count_inversion(lst):
return merge_count_inversion(lst)[1]
def merge_count_inversion(lst):
if len(lst) <= 1:
return lst, 0
middle = int( len(lst) / 2 )
left, a = merge_cou...
How to make tinymce paste in plain text by default
... 4.1, without the need of an additional function.
– Rémi Breton
May 19 '15 at 18:37
...
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)
...
gitignore without binary files
... Now, this is kind of a different approach.
– René Nyffenegger
Jan 18 '18 at 16:45
add a comment
|
...
Include all existing fields and add new fields to document
...t this. See stackoverflow.com/a/24557029/4653485.
– Jérôme
Nov 15 '16 at 13:01
...
Slow Requests on Local Flask Server
...g webservers.
Update (2020-07-25): It looks like gevent started supporting python3 5 years ago, shortly after I commented that it didn't, so you can use gevent now.
gevent
You can install gevent through pip with the command pip install gevent or pip3 with the command pip3 install gevent. Instruction...
Styling multi-line conditions in 'if' statements? [closed]
...rence to using a backslash for line continuation." You can see this here: python.org/dev/peps/pep-0008/#maximum-line-length
– joshcartme
Jan 21 '13 at 21:54
8
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Refactoring in Vim
...
CQuery for C/C++/Objective-C
Eclipse.jdt.ls for Java
pyls (with rope) for Python
javascript-typescript-langserver for for JavaScript and TypeScript
Solargraph for Ruby
gopls official lsp for Go (alpha stage in Nov 2019)
texlab for LaTeX
You can find more language servers under https://langserver....