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How to specialize std::hash::operator() for user-defined type in unordered containers?
...rdered_set and so on. Namely:
Hash type H is a function object, with at least one argument type Key.
H is copy constructible.
H is destructible.
If h is an expression of type H or const H, and k is an expression of a type convertible to (possibly const) Key, then h(k) is a valid expression with t...
What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
...arge repositories with long nonlinear history (the performance improved at least for not too large repositories), the fact that default paradigm is one ranch per repository (you can set it up to share data, though), and centralized concepts (but that also from what I have heard changes).
Git is wri...
Which, if any, C++ compilers do tail-recursion optimization?
...what collections of compilers do you consider? As pointed out there are at least two compilers that performs optimizations during debug build - and as far as I know VC does that too (except if you're enabling modify-and-continue perhaps).
– skyking
Oct 23 '17 a...
How to pretty print nested dictionaries?
....dumps(myObject.__dict__, sort_keys=True, indent=4, deault=str) you can at least use an objects implementation of repr to print itself and get round the 'not JSON serializable' TypeError
– RFairey
Sep 23 '14 at 16:20
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GroupBy pandas DataFrame and select most common value
...
The output is a DataFrame with a record per group that has at least one mode ...
How to semantically add heading to a list
...
Your first option is the good one. It's the least problematic one and you've already found the correct reasons why you couldn't use the other options.
By the way, your heading IS explicitly associated with the <ul> : it's right before the list! ;)
edit: Steve F...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
...f I give User 5's very long API key, that claims and proves I'm User 5, at least as well as a username/password would. And there is no reason why one couldn't assign different permissions to different API keys. Right? What am I missing here?
– Nathan Long
Apr ...
`levels
...t;- is really just shorthand for attr<-(x, "levels") <- value, or at least it probably was until it was turned into a primitive and handed over to C-code.
– IRTFM
Nov 19 '14 at 7:10
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
...Bean. It's like protected versus public. But that doesn't really count.
At least, in JSF 2.0/2.1, the major disadvantage of managing JSF backing beans by CDI is that there's no CDI equivalent of @ViewScoped. The @ConversationScoped comes close, but still requires manually starting and stopping and i...
How to create circle with Bézier curves?
...n (good enough and easy to calculate), but I would not call it optimal (at least not without writing in what sense it is optimal).
– Suma
Oct 7 '15 at 11:57
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