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Whm>y m> use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
...rce to everm>y m> node in the traversed graph.
Meanwhile BFS basicallm>y m> just expm>and m>s the search bm>y m> one “step” (link, edge, whatever m>y m>ou want to call it in m>y m>our application) on everm>y m> iteration, which happens to have the effect of finding the smallest number of steps it takes to get to anm>y m> given node f...
“icon-bar” in twitter bootstrap navigation bar
I cannot understm>and m> what the following code means in terms of icon-bar :
3 Answers
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Whm>y m> does the C++ map tm>y m>pe argument require an emptm>y m> constructor when using []?
..., among other things, them>y m> should be default-constructible.
Without this (m>and m> others requirements) it would be needlesslm>y m> hard to implement the various internal copm>y m>/move/swap/compare operations on the data structures with which STL containers are implemented.
Upon reference to the C++ Stm>and m>ard, ...
datetime dtm>y m>pes in pm>and m>as read_csv
...m>y m>pe to be set for read_csv as csv files can onlm>y m> contain strings, integers m>and m> floats.
Setting a dtm>y m>pe to datetime will make pm>and m>as interpret the datetime as an object, meaning m>y m>ou will end up with a string.
Pm>and m>as wam>y m> of solving this
The pm>and m>as.read_csv() function has a kem>y m>word argument called p...
MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
as the title sam>y m>s, I want to perform a find (one) for a document, bm>y m> _id, m>and m> if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback.
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How to Test a Concern in Rails
...test m>y m>our concerns against the actual classes that use them (e.g., models) m>and m> m>y m>ou'll be able to test them everm>y m>where them>y m>'re used. m>And m> m>y m>ou onlm>y m> have to write the tests once m>and m> then just include them in anm>y m> model spec that uses m>y m>our concern. In m>y m>our case, this might look something like this:
# app...
Sending a notification from a service in m>And m>roid
I have a service running, m>and m> would like to send a notification. Too bad, the notification object requires a Context , like an Activitm>y m> , m>and m> not a Service .
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How to see the CREATE VIEW code for a view in PostgreSQL?
...an easm>y m> wam>y m> to see the code used to create a view using the PostgreSQL commm>and m>-line client?
6 Answers
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How do I build a numpm>y m> arram>y m> from a generator?
...ping this in mind, it is technicallm>y m> impossible to take a generator object m>and m> turn it into an arram>y m> unless m>y m>ou either:
can predict how manm>y m> elements it will m>y m>ield when run:
mm>y m>_arram>y m> = numpm>y m>.emptm>y m>(predict_length())
for i, el in enumerate(gimme()): mm>y m>_arram>y m>[i] = el
are willing to store its elemen...
Chrome: timeouts/interval suspended in background tabs?
...appliances not dramaticallm>y m> inaccurate. Now if I run the test in in Chrome m>and m> let it run in a background tab (so, switching to another tab m>and m> browse on there), returning to the test m>and m> inspecting te results (if the test finished) them>y m> are dramaticallm>y m> changed. It looks like the timeouts have been...