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How much faster is Redis than mongoDB?
...on you can adapt to your purposes, I was looking at how well each would perform simply setting/retrieving values:
#!/usr/bin/env python2.7
import sys, time
from pymongo import Connection
import redis
# connect to redis & mongodb
redis = redis.Redis()
mongo = Connection().test
collection = mong...
Passing a std::array of unknown size to a function
...mulArray(std::array<int, SIZE>& arr, const int multiplier) {
for(auto& e : arr) {
e *= multiplier;
}
}
Here is a live example.
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Remove duplicate elements from array in Ruby
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This also works for complex types: [{how: "are"}, {u:"doing"}, {how: "are"}].uniq => [{:how=>"are"}, {:u=>"doing"}]
– Blaskovicz
Jan 30 '16 at 6:29
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Match multiple cases classes in scala
...println(aString)"? Seems like as long as the type of aString is identical for both A and B, it should be allowed. Your last example seems like it would be better off not duplicating the B and C cases.
– James Moore
Nov 9 '11 at 1:18
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How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]
...us();
} else {
//Browser has blocked it
alert('Please allow popups for this website');
}
Depending on the browsers implementation this will work
There is nothing you can do to make it open in a window rather than a tab.
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Is there a typical state machine implementation pattern?
...tement the best way to go?
We have a current state (state) and a trigger for the transition.
19 Answers
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...1).keys()].map(i => i + 'A'.charCodeAt(0)));
=> "ABCD"
Iteration
for (const x of Array(5).keys()) {
console.log(x, String.fromCharCode('A'.charCodeAt(0) + x));
}
=> 0,"A" 1,"B" 2,"C" 3,"D" 4,"E"
As functions
function range(size, startAt = 0) {
return [...Array(size).keys()].ma...
Convert nested Python dict to object?
I'm searching for an elegant way to get data using attribute access on a dict with some nested dicts and lists (i.e. javascript-style object syntax).
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Is it possible to make abstract classes in Python?
...bstractmethod makes it so that the decorated function must be overridden before the class can be instantiated. From the docs: A class that has a metaclass derived from ABCMeta cannot be instantiated unless all of its abstract methods and properties are overridden.
– Fake Name
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Why do we need extern “C”{ #include } in C++?
... expects the data contained in the header file to be compiled to a certain format—the C++ 'ABI', or 'Application Binary Interface', so the linker chokes up. This is preferable to passing C++ data to a function expecting C data.
(To get into the really nitty-gritty, C++'s ABI generally 'mangles' t...