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How to prevent ajax requests to follow redirects using jQuery
...he another level of abstraction or the network stack. For example the data from the XMLHttpRequest can be retrieved from the HTTP proxy or from the local browser cache, and it's the part of HTTP protocol. Mostly the server which provide the data and not the client can influence on caching.
You can ...
When to use nested classes and classes nested in modules?
...ave that behaviour.
In Ruby,
class Car
class Wheel
end
end
differs from
class Car
end
class Wheel
end
only in the name of the class Wheel vs. Car::Wheel. This difference in name can make explicit to programmers that the Car::Wheel class can only represent a car wheel, as opposed to a gen...
Using git to get just the latest revision
...want the latest revision, and I want to be able to update to new revisions from the remote project.
2 Answers
...
What is the best way to compare floats for almost-equality in Python?
...
Use Python's decimal module, which provides the Decimal class.
From the comments:
It is worth noting that if you're
doing math-heavy work and you don't
absolutely need the precision from
decimal, this can really bog things
down. Floats are way, way faster to
deal with, but ...
When to encode space to plus (+) or %20?
... The browser will create a query+name=query+value parameter from a form with <input name="query name" value="query value">. It will not create query%20name from a form, but it's totally safe to use that instead, eg. if you're putting a form submission together youself for an XML...
Razor View throwing “The name 'model' does not exist in the current context”
...checked answer by Alex and Liam, I thought this line must have been copied from the new web.config, but it looks like the new project itself didn't have this line (MVC5):
<add key="webpages:Version" value="3.0.0.0" />
Adding the line to the views/web.config file solved the issue for me.
...
UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn
...
I'm trying to make this work from an UIAertControl - one option is to present the image picker for photo browser - this works fine and the other is to present for camera - this doesn't .where would i build in the delay when using a UIALertController?
...
Objective-C: Where to remove observer for NSNotification?
...ly hard to give general advice as to when it's best to remove the observer from the notification center, because that depends:
On your use case (Which notifications are observed? When do they get send?)
The implementation of the observer (When is it ready to receive notifications? When is it no lo...
How can you determine a point is between two other points on a line segment?
...f is_on(a, b, c):
"Return true iff point c intersects the line segment from a to b."
# (or the degenerate case that all 3 points are coincident)
return (collinear(a, b, c)
and (within(a.x, c.x, b.x) if a.x != b.x else
within(a.y, c.y, b.y)))
def collinear(a...
Way to go from recursion to iteration
I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.
...