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Which is faster in Python: x**.5 or math.sqrt(x)?
I've been wondering this for some time. As the title say, which is faster, the actual function or simply raising to the half power?
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How do I drag and drop files into an application?
I've seen this done in Borland's Turbo C++ environment, but I'm not sure how to go about it for a C# application I'm working on. Are there best practices or gotchas to look out for?
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What is the difference between an ordered and a sorted collection?
Is there any difference between a sorted and an ordered collection?
8 Answers
8
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Difference between web reference and service reference?
...talk to a Web Service that is described via WSDL and communicates via SOAP or HTTP GET (other posters indicate that it is only ASMX, but Web References can also talk to Java-based Web Services or Python-based or Ruby so long as they all talk WSDL and conform to the WS-I interoperability standard).
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What is the purpose of a stack? Why do we need it?
...on so much I made it the subject of my blog on November 18th 2011. Thanks for the great question!
I've always wondered: what is the purpose of the stack?
I assume you mean the evaluation stack of the MSIL language, and not the actual per-thread stack at runtime.
Why is there a transfer f...
How to replace plain URLs with links?
...ing the function below to match URLs inside a given text and replace them for HTML links. The regular expression is working great, but currently I am only replacing the first match.
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Changing the “tick frequency” on x or y axis in matplotlib?
... marks with plt.xticks:
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
For example,
import numpy as np
import matplotlib.pyplot as plt
x = [0,5,9,10,15]
y = [0,1,2,3,4]
plt.plot(x,y)
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
plt.show()
(np.arange was used rather than Python's range funct...
Show just the current branch in Git
I tried looking for a special Git command for this, but I couldn't find one. Is there anything shorter or faster than the following?
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Why does Convert.ToString(null) return a different value if you cast null?
... compiler essentially tries to pick the most specific overload which will work with the input. A null value is convertible to any reference type. In this case string is more specific than object and hence it will be picked as the winner.
In the null as object you've solidified the type of the e...
What's the canonical way to check for type in Python?
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To check if o is an instance of str or any subclass of str, use isinstance (this would be the "canonical" way):
if isinstance(o, str):
To check if the type of o is exactly str (exclude subclasses):
if type(o) is str:
The following also works, and can be u...