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When to make a type non-movable in C++11?

...x objects. If std::mutex contained a native OS mutex type as a data member and the native type's address must stay fixed (because the OS maintains a list of pointers to its mutexes) then either std::mutex would have to store the native mutex type on the heap so it would stay at the same location whe...
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?

What is a good way to split a NumPy array randomly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab. ...
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resizes wrong; appears to have unremovable `min-width: min-content`

... (25 Sept 2017) The Firefox bug described below is fixed as of Firefox 53 and the link to this answer has finally been removed from Bootstrap's documentation. Also, my sincere apologies to the Mozilla contributors who had to block removing support for -moz-document partly due to this answer. The ...
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No provider for “framework:jasmine”! (Resolving: framework:jasmine)

When I run the command grunt I get the following warning: 6 Answers 6 ...
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Django dynamic model fields

... their own data fields (via the admin) to collect additional data in forms and report on the data. The latter bit makes JSONField not a great option, so instead I have the following solution: ...
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How do I replace NA values with zeros in an R dataframe?

I have a data frame and some columns have NA values. 21 Answers 21 ...
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What is private bytes, virtual bytes, working set?

...e a reliable indicator of how much memory an executable is actually using, and none of them are really appropriate for debugging a memory leak. Private Bytes refer to the amount of memory that the process executable has asked for - not necessarily the amount it is actually using. They are "private...
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REST API Token-based Authentication

... Let me seperate up everything and solve approach each problem in isolation: Authentication For authentication, baseauth has the advantage that it is a mature solution on the protocol level. This means a lot of "might crop up later" problems are already ...
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nuget 'packages' element is not declared warning

...w why Visual Studio is not creating that xsd file? – Anders Lindén Aug 23 '12 at 6:42 1 u missed...
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How to explain Katana and OWIN in simple words and uses?

I have read many articles about the OWIN and Katana projects, but I could not get the whole picture of it. 4 Answers ...