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Segmentation fault on large array sizes
The following code gives me a segmentation fault when run on a 2Gb machine, but works on a 4GB machine.
5 Answers
...
Is there a (repeat-last-command) in Emacs?
...lso use C-x M-: as part of a keyboard macro, which can be handy. The default repeat-complex-command bindings are a little too cumbersome to type over and over.
– remcycles
Dec 29 '18 at 21:34
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How to round to 2 decimals with Python?
... str.format()'s syntax to display answer with two decimal places (without altering the underlying value of answer):
def printC(answer):
print("\nYour Celsius value is {:0.2f}ºC.\n".format(answer))
Where:
: introduces the format spec
0 enables sign-aware zero-padding for numeric types
.2 se...
What is the most efficient way of finding all the factors of a number in Python?
...(1, int(sqrt(n))+1, step) if n % i == 0)))
However, on small numbers (~ < 100), the extra overhead from this alteration may cause the function to take longer.
I ran some tests in order to check the speed. Below is the code used. To produce the different plots, I altered the X = range(1,100,1) ...
Javascript How to define multiple variables on a single line?
...eading documentation online, I'm getting confused how to properly define multiple JavaScript variables on a single line.
7 ...
Post JSON using Python Requests
...
As of Requests version 2.4.2 and onwards, you can alternatively use 'json' parameter in the call which makes it simpler.
>>> import requests
>>> r = requests.post('http://httpbin.org/post', json={"key": "value"})
>>> r.status_code
200
>>> ...
Try-finally block prevents StackOverflowError
... So, at the end of the day when foo finally does terminate, it will result in a StackOverflowError?
– arshajii
Sep 15 '12 at 21:29
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const char* concatenation
...k. Instead you should have a separate variable(char array) to hold the result. Something like this:
char result[100]; // array to hold the result.
strcpy(result,one); // copy string one into the result.
strcat(result,two); // append string two to the result.
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Removing all non-numeric characters from string in Python
..." if c.isdigit())
'123456'
The ''.join part means to combine all the resulting characters together without any characters in between. Then the rest of it is a list comprehension, where (as you can probably guess) we only take the parts of the string that match the condition isdigit.
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What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
...ve this you could use generics. Consider this example:
class GenericClass<T: Observing> {
var observers = HashSet<T>()
}
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