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How can I obtain the element-wise logical NOT of a pandas Series?
... Pandas 0.13.0, Series are no longer subclasses of numpy.ndarray; they are now subclasses of pd.NDFrame. This might have something to do with why np.invert(s) is no longer as fast as ~s or -s.
Caveat: timeit results may vary depending on many factors including hardware, compiler, OS, Python, NumPy ...
Why are mutable structs “evil”?
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Developing in C#, you usually need mutability ever now and then - especially with your Business Model, where you want streaming etc. to work smoothly with existing solutions. I wrote an article on how to work with mutable AND immutable data, solving most issues around mutabil...
What is the difference between YAML and JSON?
...k YAML will be a more robust and viable data serialization format.
Right now, AJAX and other web technologies tend to use JSON. YAML is currently being used more for offline data processes. For example, it is included by default in the C-based OpenCV computer vision package, whereas JSON is not.
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How to declare a structure in a header that is to be used by multiple files in c?
...een both usages (separate names and same names), and none has drawbacks I know of, so using the same name makes reading simpler if you don't use C separate "namespaces" for structs and other symbols.
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JMS and AMQP - RabbitMQ
...ing to understand what JMS and how it is connected to AMQP terminology.
I know JMS is an API and AMQP is a protocol.
7 Ans...
How to get StackPanel's children to fill maximum space downward?
... the last hour trying to figure out how to get StackPanel to do this. From now on, I'll look here first for my WPF (and other) info.
– paxdiablo
Jun 22 '10 at 15:05
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REST authentication and exposing the API key
...i, apikey + sign will be transfered to serverside to make sure the server know who is making the request, the apisecret will never be transfered to the serverside for security.
– James.Xu
Mar 30 '11 at 1:27
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Inline elements shifting when made bold on hover
...r over the links. You see, I created a bold hover state for the links, and now the menu links shift because of the bold size difference.
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git shallow clone (clone --depth) misses remote branches
...r git version? thanks for trying it out. I did the --depth 1 on 1.7.1 just now it shows all the remote branches. updated the question with this. +1 for verifying the problem.
– minghua
May 17 '14 at 19:12
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JAX-RS — How to return JSON and HTTP status code together?
...u provide an interface returning a Response to a third party, he does not know what type are you really returning. Spring makes it more clear with an annotation, very useful if you always return a status code (i.e. HTTP 204)
– Guido
Nov 14 '12 at 16:48
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