You have many options to achieve that. With a list comprehension you can do: my_list = [i for i in my_list if i >= 0] With filter(): my_list = filter(lambda i: i >= 0, my_list) Note: In Python 3, filter() returns a filter object (not list), to convert it to a list, you can do: … Read more
The Flask Jinja2 documentation covers this pretty well. The first example under the “Standard Filters” section shows exactly how to embed a JSON object from python into a Javascript script: <script type=text/javascript> doSomethingWith({{ user.username|tojson|safe }}); </script> So in this case: var lat_lng = {{ lat_lng|tojson|safe }}; tojson calls dumps on the data, so you should … Read more
a[x:y:z] gives the same result as a[slice(x, y, z)]. One of the advantages of a slice object is that it can be stored and retrieved later as a single object instead of storing x, y and z. It is often used to let the user define their own slice that can later be applied on … Read more
To open in a different console, do (tested on Win7 / Python 3): from subprocess import Popen, CREATE_NEW_CONSOLE Popen(‘cmd’, creationflags=CREATE_NEW_CONSOLE) input(‘Enter to exit from Python script…’) Related How can I spawn new shells to run python scripts from a base python script?
https://docs.djangoproject.com/en/2.2/ref/models/fields/#datetimefield A date and time, represented in Python by a datetime.datetime instance. You can get a string representation of a DateTimeField casting it directly: str(obj) # obj = qs[0][0] ? or qs[0][1] ? You’ll get result like this (in this example I use datetime.datetime.now() since a DateTimeField is represented by datetime.datetime is the same behavior): … Read more
For Linux : Start the Display before start the Chrome. for more info click here from pyvirtualdisplay import Display display = Display(visible=0, size=(800, 800)) display.start() driver = webdriver.Chrome()
I repaired mine this with command: easy_install pip
The error means that Unicode characters that your script are trying to print can’t be represented using the current console character encoding. Also try to run set PYTHONIOENCODING=UTF-8 after execute pip –version without reloading terminal if everything going well add PYTHONIOENCODING as env variable with value UTF-8. See How to set the path and environment … Read more
First of all, from __future__ import print_function needs to be the first line of code in your script (aside from some exceptions mentioned below). Second of all, as other answers have said, you have to use print as a function now. That’s the whole point of from __future__ import print_function; to bring the print function … Read more
If you’re looking for fast, you can use numpy: >>> import numpy >>> numpy.subtract((10, 10), (4, 4)) array([6, 6]) and if you want to keep it in a tuple: >>> tuple(numpy.subtract((10, 10), (4, 4))) (6, 6)