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Why are mutable structs “evil”?
Following the discussions here on SO I already read several times the remark that mutable structs are “evil” (like in the answer to this question ).
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Finding all possible combinations of numbers to reach a given sum
How would you go about testing all possible combinations of additions from a given set N of numbers so they add up to a given final number?
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Method Syntax in Objective-C
Can someone explain this method declaration syntax for me? In this function, the number of rows of a UIPickerView (slot machine UI on the iPhone) is being returned. From my understanding, the Method is called ' pickerView ', and returns an NSInteger.
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How to use glob() to find files recursively?
...e pathlib.Path.rglob from the the pathlib module, which was introduced in Python 3.5.
from pathlib import Path
for path in Path('src').rglob('*.c'):
print(path.name)
If you don't want to use pathlib, use can use glob.glob('**/*.c'), but don't forget to pass in the recursive keyword parameter a...
ImportError in importing from sklearn: cannot import name check_build
I am getting the following error while trying to import from sklearn:
13 Answers
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Limiting floats to two decimal points
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You are running into the old problem with floating point numbers that not all numbers can be represented exactly. The command line is just showing you the full floating point form from memory.
With floating point representat...
C/C++ check if one bit is set in, i.e. int variable
Is there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking.
21 Answers
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What is the use of making constructor private in a class?
Why should we make the constructor private in class? As we always need the constructor to be public.
23 Answers
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Why are flag enums usually defined with hexadecimal values
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Rationales may differ, but an advantage I see is that hexadecimal reminds you: "Okay, we're not dealing with numbers in the arbitrary human-invented world of base ten anymore. We're dealing with bits - the machine's world - and we're gon...
How do I compare two DateTime objects in PHP 5.2.8?
...e following two methods of the DateTime object would both seem to solve my problem:
7 Answers
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