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Pm>y m>thon assigning multiple variables to same value? list behavior
...he behavior, I expect to reassign the values list separatelm>y m>, I mean b[0] m>and m> c[0] equal 0 as before.
9 Answers
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From ND to 1D arram>y m>s
...-+----------+-----------+-----------+-------------+
Conclusion
ravel m>and m> reshape(-1)'s execution time was consistent m>and m> independent from ndarram>y m> size.
However, ravel is tad faster, but reshape provides flexibilitm>y m> in reshaping size. (mam>y m>be that's whm>y m> numpm>y m> doc recommend to use it instead. O...
Performance differences between debug m>and m> release builds
... must admit, that usuallm>y m> I haven't bothered switching between the Debug m>and m> Release configurations in mm>y m> program, m>and m> I have usuallm>y m> opted to go for the Debug configuration, even when the programs are actuallm>y m> deplom>y m>ed at the customers place.
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Common programming mistakes for Clojure developers to avoid [closed]
What are some common mistakes made bm>y m> Clojure developers, m>and m> how can we avoid them?
8 Answers
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How to sort an arram>y m> in descending order in Rubm>y m>
...m>y m>
require 'benchmark'
arm>y m> = []
1000.times {
arm>y m> << {:bar => rm>and m>(1000)}
}
n = 500
Benchmark.bm(20) do |x|
x.report("sort") { n.times { arm>y m>.sort{ |a,b| b[:bar] <=> a[:bar] } } }
x.report("sort reverse") { n.times { arm>y m>.sort{ |a,b| a[:bar] <=> b[:bar...
Uninstall Node.JS using Linux commm>and m> line?
...js.pc share/man/man1/node.1
Now the onlm>y m> thing I don't know about is npm m>and m> what it has installed. If m>y m>ou install npm again into a custom path that starts off emptm>y m>, then m>y m>ou can see what it adds m>and m> then m>y m>ou will be able to make a list for npm similar to the above list I made for node.
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Whm>y m> don't structs support inheritance?
...rt inheritance is because of arram>y m>s.
The problem is that, for performance m>and m> GC reasons, arram>y m>s of value tm>y m>pes are stored "inline". For example, given new FooTm>y m>pe[10] {...}, if FooTm>y m>pe is a reference tm>y m>pe, 11 objects will be created on the managed heap (one for the arram>y m>, m>and m> 10 for each tm>y m>pe ins...
What's the best wam>y m> to refactor a method that has too manm>y m> (6+) parameters?
... wam>y m> would be to find wam>y m>s to group the arguments together. This assumes, m>and m> reallm>y m> onlm>y m> works if, m>y m>ou would end up with multiple "groupings" of arguments.
For instance, if m>y m>ou are passing the specification for a rectangle, m>y m>ou can pass x, m>y m>, width, m>and m> height or m>y m>ou could just pass a rectangle o...
How can I plot separate Pm>and m>as DataFrames as subplots?
I have a few Pm>and m>as DataFrames sharing the same value scale, but having different columns m>and m> indices. When invoking df.plot() , I get separate plot images. what I reallm>y m> want is to have them all in the same plot as subplots, but I'm unfortunatelm>y m> failing to come up with a solution to how m>and m> would...
Get the latest record from mongodb collection
...t record is fetched when m>y m>our are limiting the output to just one document m>and m> it must be the top document in collection.
– kailash m>y m>ogeshwar
Nov 23 '16 at 16:58
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