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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
Character iteration
String.fromCharCode(...[...Array('D'.charCodeAt(0) - 'A'.charCodeAt(0) + 1).keys()].map(i => i + 'A'.charCodeAt(0)));
=> "ABCD"
Iteration
for (const x of Array(5).keys()) {
console.log(x, String.fromCharCode('A'.charCode...
Getting Python error “from: can't read /var/mail/Bio”
...y, otherwise the default shell will execute it and it will bail out at the from keyword. (Incidentally, from is the name of a command line utility which prints names of those who have sent mail to the given username, so that's why it tries to access the mailboxes).
Another possibility is to add the...
Web scraping with Python [closed]
I'd like to grab daily sunrise/sunset times from a web site. Is it possible to scrape web content with Python? what are the modules used? Is there any tutorial available?
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How to convert an xml string to a dictionary?
I have a program that reads an xml document from a socket. I have the xml document stored in a string which I would like to convert directly to a Python dictionary, the same way it is done in Django's simplejson library.
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How to access app.config in a blueprint?
...
Use flask.current_app in place of app in the blueprint view.
from flask import current_app
@api.route("/info")
def get_account_num():
num = current_app.config["INFO"]
The current_app proxy is only available in the context of a request.
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How to run a class from Jar which is not the Main-Class in its Manifest file
...to be able to run each one of those as per the need. I am trying to run it from command-line on Linux box.
7 Answers
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What does “mro()” do?
... Method Resolution Order. It returns a list of types the class is derived from, in the order they are searched for methods.
mro() or __mro__ works only on new style classes. In python 3, they work without any issues. But in python 2 those classes need to inherit from object.
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From ND to 1D arrays
...contiguous in memory, but would return a copy if, for example, a were made from slicing another array using a non-unit step size (e.g. a = x[::2]).
If you want a copy rather than a view, use
In [15]: c = a.flatten()
If you just want an iterator, use np.ndarray.flat:
In [20]: d = a.flat
In [21]...
How to increment a datetime by one day?
...aylight saving time; it is more complex e.g., see How can I subtract a day from a python date?
– jfs
Jun 25 '15 at 19:51
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django change default runserver port
... django.setup()
# Override default port for `runserver` command
from django.core.management.commands.runserver import Command as runserver
runserver.default_port = "8080"
from django.core.management import execute_from_command_line
execute_from_command_line(sys.argv)
...