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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
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What is a plain English explanation of “Big O” notation?
... In my experience, this is actually typical of discussions in non-academic settings. Apologies for any confusion caused.
Big O complexity can be visualized with this graph:
The simplest definition I can give for Big-O notation is this:
Big-O notation is a relative representation of the complexity ...
How do I list all files of a directory?
How can I list all files of a directory in Python and add them to a list ?
21 Answers
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Tricky Google interview question
A friend of mine is interviewing for a job. One of the interview questions got me thinking, just wanted some feedback.
21 A...
What is the fastest way to get the value of π?
I'm looking for the fastest way to obtain the value of π, as a personal challenge. More specifically, I'm using ways that don't involve using #define constants like M_PI , or hard-coding the number in.
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Progress indicator during pandas operations
I regularly perform pandas operations on data frames in excess of 15 million or so rows and I'd love to have access to a progress indicator for particular operations.
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What is the difference between float and double?
...nd the type long double provides at least as much precision as double. The set of values of the type float is a subset of the set of values of the type double; the set of values of the type double is a subset of the set of values of the type long double.
The C++ standard adds:
The value repres...
Can you grab or delete between parentheses in vi/vim?
...ng :help various-motions in command mode.
object-select
There is another set of motion commands that you can use in Visual mode to select various text objects.
To solve your specific problem you would do the following:
printf("%3.0f\t%6.1f\n", fahr, ((5.0/9.0) * (fahr-32)));
...
Generate colors between red and green for a power meter?
I'm writing a Java game and I want to implement a power meter for how hard you are going to shoot something.
19 Answers
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What is memoization and how can I use it in Python?
.... By default, it only caches the 128 most recently used calls, but you can set the maxsize to None to indicate that the cache should never expire:
import functools
@functools.lru_cache(maxsize=None)
def fib(num):
if num < 2:
return num
else:
return fib(num-1) + fib(num-2...