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What is the good python3 equivalent for auto tuple unpacking in lambda?
...just to unfold the parameters - but that would be at once more inefficient and harder to read than your two suggestions:
min(points, key=lambda p: (lambda x,y: (x*x + y*y))(*p))
update Python 3.8
As of now, Python 3.8 alpha1 is available, and PEP 572- assignment expressions are implemented.
So,...
Example for boost shared_mutex (multiple reads/one write)?
I have a multithreaded app that has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updat...
Is there a way to disable the Title and Subtitle in Highcharts?
... Could you take a look at this for me? I've done all the suggestions here and there is still a huge white space, (see the print button floating in space in the top right?) goo.gl/jHR5l
– D3Chiq
Apr 10 '13 at 16:21
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How can I get a count of the total number of digits in a number?
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I'm afraid ceil(log10(10)) = ceil(1) = 1, and not 2 as it should be for this question!
– ysap
Dec 19 '10 at 18:08
3
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“Unknown provider: aProvider
...eption:
When you now re-run the application, the breakpoint will be hit and you can jump up the call stack. There will be a call from invoke in injector.js, recognizable from the "Incorrect injection token" string:
The locals parameter (mangled to d in my code) gives a pretty good idea about w...
How to check whether a string contains a substring in Ruby
... the best goal. Generally if you expect a string at this point in the code and a value is nil instead, that implies something unexpected has occurred and an exception being raised is appropriate. If the existence of a nil here is unexpected, using to_s will hide the problem and increase the distance...
Changing a specific column name in pandas DataFrame
...index=None, columns=None, copy=True, inplace=False)
Docstring:
Alter index and / or columns using input function or
functions. Function / dict values must be unique (1-to-1). Labels not
contained in a dict / Series will be left as-is.
Parameters
----------
index : dict-like or function, optional
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How do I pipe or redirect the output of curl -v?
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What information are you actually trying to extract, and what information do you want to throw away. I understood your question to mean that you want all of the output of -v directed to stdout.
– SingleNegationElimination
Mar 25 '11 at 13...
Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...Facebook API, I follow this example: https://github.com/facebook/facebook-android-sdk/tree/master/examples/simple
11 Ans...
Sort a Map by values
I am relatively new to Java, and often find that I need to sort a Map<Key, Value> on the values.
58 Answers
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