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When I catch an exception, how do I get the type, file, and line number?
...traceback.py#l280
# (Imagine if the 1/0, below, were replaced by a call to test() which did 1/0.)
try:
1/0
except:
# http://docs.python.org/2/library/sys.html#sys.exc_info
exc_type, exc_value, exc_traceback = sys.exc_info() # most recent (if any) by default
'''
Reason this _can...
In WPF, what are the differences between the x:Name and Name attributes?
... x:Name, AutomationProperties.Name is used by accessibility tools and some testing tools.
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Change values while iterating
...seems simpler to me to refer to n.Attr[i] explicitly in both the line that tests Key and the line that sets Val, rather than using attr for one and n.Attr[i] for the other.
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Benefits of inline functions in C++?
... were always inline, though I don’t have a reference handy now (a simple test seems to confirm it though).
– Konrad Rudolph
Jun 22 '16 at 9:37
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How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
...always be true (unless someone deletes the directory during Maven boot :). Tested with Maven 3.6.0.
It might also be a good way to differentiate between types of projects. For instance, my project has always module.json present.
Using a profile activating extension
There are a few Maven extension...
Is a view faster than a simple query?
...ly why it is better (until I read Mark Brittingham's post), I had run some tests and experienced almost shocking performance improvements when using a view versus a nested query. After running each version of the query several hundred times in a row, the view version of the query completed in half t...
How to swap keys and values in a hash
... []
out[value] << key
end
end
end
Note: This code with tests is now on GitHub.
Or:
class Hash
def safe_invert
self.each_with_object({}){|(k,v),o|(o[v]||=[])<<k}
end
end
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What is a message pump?
...ead or maintain a thread pool. A thread pool would have to be meticulously tested to make sure all COM references were correctly released. Even starting and shutting down instances requires you to make sure all references are released correctly. Failure to dot your i's and cross your t's here will r...
What are the differences between django-tastypie and djangorestframework? [closed]
... been using Django-rest-framework for a major project, and its awesome! I test-drove tastypie for a week early on, and have no regrets about going with DRF. The documentation is unfortunately not up to par with the code and the framework itself, but other than that, pure bliss.
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nodeValue vs innerHTML and textContent. How to choose?
...han telling people what to do]
In case someone is wondering what's the fastest today:
https://jsperf.com/set-innertext-vs-innerhtml-vs-textcontent
& https://jsperf.com/get-innertext-vs-innerhtml-vs-textcontent (for the second test, the span's content is plain text, results might change accordin...