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How to compare type of an object in Python?
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def distance_from_zero(n): if isinstance(n,int) or isinstance(n,float): return abs(n) else: return "Nope" print distance_from_zero(True) This returns a "1" instead of "Nope". How to get around this ?
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The located assembly's manifest definition does not match the assembly reference
... the list of results, so you can see where the old version might be coming from.
Also, like Lars said, check your GAC to see what version is listed there. This Microsoft article states that assemblies found in the GAC are not copied locally during a build, so you might need to remove the old versi...
Java: random long number in 0
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Starting from Java 7 (or Android API Level 21 = 5.0+) you could directly use ThreadLocalRandom.current().nextLong(n) (for 0 ≤ x < n) and ThreadLocalRandom.current().nextLong(m, n) (for m ≤ x < n). See @Alex's answer for deta...
Why covariance and contravariance do not support value type
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How is int not a subtype of object? Int32 inherits from System.ValueType, which inherits from System.Object.
– David Klempfner
Nov 6 '18 at 3:39
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Is it possible to view RabbitMQ message contents directly from the command line?
Is it possible to view RabbitMQ message contents directly from the command line?
6 Answers
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warning about too many open figures
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Use .clf or .cla on your figure object instead of creating a new figure. From @DavidZwicker
Assuming you have imported pyplot as
import matplotlib.pyplot as plt
plt.cla() clears an axis, i.e. the currently active axis in the current figure. It leaves the other axes untouched.
plt.clf() clears...
Why and How to avoid Event Handler memory leaks?
... when there are no other references to the subscriber.
If you unsubscribe from the event with an equal handler, then yes, that will remove the handler and the possible leak. However, in my experience this is rarely actually a problem - because typically I find that the publisher and subscriber have...
XMLHttpRequest status 0 (responseText is empty)
... Why is this being downvoted? It is actually true! XHR requests from file:// URLs of files also on file:// URLs actually have status == 0 on success (tested on FF 24.0.5).
– Daniel Roethlisberger
Dec 31 '14 at 21:20
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Why use 'git rm' to remove a file instead of 'rm'?
On SVN, removing something from the filesystem directly (rather than using svn) created a load of headaches.
7 Answers
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What is an 'endpoint' in Flask?
... you might go about creating a view, it actually abstracts some extra info from you. Behind the scenes, Flask did not make the leap directly from URL to the view function that should handle this request. It does not simply say...
URL (http://www.example.org/greeting/Mark) should be handled by View ...