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Is arr.__len__() the preferred way to get the length of an array in Python?
...ples:
my_tuple = (1,2,3,4,5)
len(my_tuple)
# 5
And strings, which are really just arrays of characters:
my_string = 'hello world'
len(my_string)
# 11
It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicitly implement a public...
Waiting on a list of Future
......
return result;
}
});
}
int received = 0;
boolean errors = false;
while(received < 4 && !errors) {
Future<SomeResult> resultFuture = completionService.take(); //blocks if none available
try {
SomeResult result = resultFuture.get();
...
How do I show my global Git configuration?
I'd like to show all configured Git sections.
12 Answers
12
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Delete all rows in an HTML table
...th - 1), or even before that row is already deleted, so you will have some error/exception (or a silent one).
2. the rowCount is taken before the for loop starts
since as we delete the "table.rows.length" will keep on changing, so again you have some issue, that only odd or even rows only gets dele...
Add an element to an array in Swift
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Error: Value of type 'Array<Element>' has no member 'appendContentsOf'
– Dani Kemper
Oct 17 '18 at 22:55
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What is a “callable”?
... given object is callable or not; or better yet just call it and catch TypeError later. callable is removed in Python 3.0 and 3.1, use callable = lambda o: hasattr(o, '__call__') or isinstance(o, collections.Callable).
Example, a simplistic cache implementation:
class Cached:
def __init__(self...
Javascript: How to loop through ALL DOM elements on a page?
I'm trying to loop over ALL elements on a page, so I want to check every element that exists on this page for a special class.
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Algorithm to calculate the number of divisors of a given number
...ere's a Dr. Math that explains what exactly it is you need to do mathematically.
Essentially it boils down to if your number n is:
n = a^x * b^y * c^z
(where a, b, and c are n's prime divisors and x, y, and z are the number of times that divisor is repeated)
then the total count for all of the di...
How do I remove the “extended attributes” on a file in Mac OS X?
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@jww I explain why you get the error in my answer below. stackoverflow.com/a/58616002/1896134
– JayRizzo
Oct 29 '19 at 22:04
add a ...
TSQL Pivot without aggregate function
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that actually wont work if you have 2 costumers with the same first name
– Leonardo
Feb 20 '15 at 18:38
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