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How can mixed data types (int, float, char, etc) be stored in an array?
...uses a disambiguation page for "discriminated union" - "disjoint union" in set theory and, as @H2CO3 mentioned, "tagged union" in computer science.
– Izkata
Sep 2 '13 at 17:38
14
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
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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 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...
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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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 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...
How often does python flush to a file?
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Thanks! It's good to know that python sets it as OS defines... but this helps find out what the OS pre-defines.
– Cometsong
Mar 28 '18 at 13:43
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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)));
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