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What does the caret operator (^) in Python do?
...r):
return self ** other
Then something like this will work, and now, for instances of Foo only, the ^ symbol will mean exponentiation.
In [16]: x = Foo(3)
In [17]: x
Out[17]: 3.0
In [18]: x ^ 4
Out[18]: 81.0
s...
Is there a Java equivalent to C#'s 'yield' keyword?
I know there is no direct equivalent in Java itself, but perhaps a third party?
6 Answers
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What is a “symbol” in Julia?
...t – as data – the foo on the left hand side of this:
foo == "foo"
Now we're getting to the heart of the matter: the difference between a symbol and a string is the difference between foo on the left hand side of that comparison and "foo" on the right hand side. On the left, foo is an identi...
Showing the stack trace from a running Python application
... a process will be running for a long time but gets stuck sometimes for unknown and irreproducible reasons. Its a bit hacky, and only works on unix (requires signals):
import code, traceback, signal
def debug(sig, frame):
"""Interrupt running process, and provide a python prompt for
inter...
vertical align middle in
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I have needed to know this simple line-height solution my entire professional life and only learned of it now. Thank you, Mr. Alien.
– Nathan Beach
Nov 30 '18 at 19:30
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How to identify unused css definitions
...used css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit.
10 Answ...
IIS7 Overrides customErrors when setting Response.StatusCode?
Having a weird problem here. Everybody knows that if you use web.config's customErrors section to make a custom error page, that you should set your Response.StatusCode to whatever is appropriate. For example, if I make a custom 404 page and name it 404.aspx, I could put <% Response.StatusCo...
What is the 'page lifecycle' of an ASP.NET MVC page, compared to ASP.NET WebForms?
...ove me to come back to MVC. I'd looked at it briefly and dismissed it (for now at least). playing with JQuery and trying to just find things in the DOM was getting too much of a pain so i thought i'd try to come back to MVC and learn more
– Simon_Weaver
Jan 20 ...
REST API Authentication
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For e.g. when a user has login.Now lets say the user want to create a forum topic, How will I know that the user is already logged in?
Think about it - there must be some handshake that tells your "Create Forum" API that this current request is from an au...
Difference between BeautifulSoup and Scrapy crawler?
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I think both are good... im doing a project right now that use both. First i scrap all the pages using scrapy and save that on a mongodb collection using their pipelines, also downloading the images that exists on the page.
After that i use BeautifulSoup4 to make a pos-proce...