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How to find time complexity of an algorithm
...chine instructions it will execute as a function of the size of its input, and then simplify the expression to the largest (when N is very large) term and can include any simplifying constant factor.
For example, lets see how we simplify 2N + 2 machine instructions to describe this as just O(N).
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Why use the params keyword?
...ly doing to make the best choice.
– Allen Clark Copeland Jr
Nov 28 '15 at 22:15
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how to use “AND”, “OR” for RewriteCond on Apache?
Is this how to use AND, OR for RewriteCond on Apache?
3 Answers
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Get the index of the nth occurrence of a string?
...if you think about it. (IndexOf will return as soon as it finds the match, and you'll keep going from where it left off.)
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Append an object to a list in R in amortized constant time, O(1)?
...oldlist, list(someobj))
In general, R types can make it hard to have one and just one idiom for all types and uses.
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
Ever since I upgraded my Samsung Galaxy S3 to android 4.3 (from 4.1.2) I am unable to use Chrome's remote debugging for android (more details here ).
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Cartesian product of multiple arrays in JavaScript
...the newly added flatMap.
Special thanks to ECMAScript 2019 for adding flat and flatMap to the language!
Example
This is the exact example from your question:
let output = cartesian([1,2],[10,20],[100,200,300]);
Output
This is the output of that command:
[ [ 1, 10, 100 ],
[ 1, 10, 200 ],
[ 1, 10...
Pinging servers in Python
In Python, is there a way to ping a server through ICMP and return TRUE if the server responds, or FALSE if there is no response?
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bool operator ++ and --
... supports ++ (increment) for bool, but not -- (decrement). It this just a random decision, or there is some reason behind this?
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Convert JavaScript string in dot notation into an object reference
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It is of course generally fine to do this if your use case is small and you will not run into performance issues, AND you won't need to build upon your abstraction to make it more complicated later. In fact, if this will reduce code complexity and keep things simple, you should probably go ah...