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Is there a decorator to simply cache function return values?
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Starting from Python 3.2 there is a built-in decorator:
@functools.lru_cache(maxsize=100, typed=False)
Decorator to wrap a function with a memoizing callable that saves up to the maxsize most recent calls. It can save time when an expensive or I/O bound functio...
Add context path to Spring Boot application
...Basically the properties inside the application.properties serve as a default you can always override them by using another application.properties next to the artifact you deliver or by adding JVM parameters (-Dserver.port=6666).
See also The Reference Guide especially the properties section.
The ...
Any way to replace characters on Swift String?
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Swift 4:
let abc = "Hello world"
let result = abc.replacingOccurrences(of: " ", with: "_",
options: NSString.CompareOptions.literal, range:nil)
print(result :\(result))
Output:
result : Hello_world
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What is the best way to get all the divisors of a number?
... i = 0
while True:
f[i] += 1
if f[i] <= factors[i][1]:
break
f[i] = 0
i += 1
if i >= nfactors:
return
The overall efficiency of this algorithm will depend entirely on the efficiency of the...
How do I detect what .NET Framework versions and service packs are installed?
...amework Setup\NDP\v4\Full\Install The v4.0 folder only has one key, (Default) with a value of deprecated.
– RandomEngy
Apr 10 '10 at 1:37
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How can I remove an element from a list?
...remove elements from lists, but trial and error tells me
myList[[5]] <- NULL
will remove the 5th element and then "close up" the hole caused by deletion of that element. That suffles the index values, So I have to be careful in dropping elements. I must work from the back of the list to...
Android: AutoCompleteTextView show suggestions when no text entered
...it when you want. Or, subclass AutoCompleteTextView and override enoughToFilter(), returning true all of time.
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How to get Git to clone into current directory
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mkdir creates hardlinks to . and .. by default so is a new directory technically "empty" in Unix-based systems, at all? I mean, I guess you could unlink . and unlink .. but that might cause you huge problems later if you forget to re-link again after cloning....
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Clear back stack using fragments
...tManager fm = getActivity().getSupportFragmentManager();
for(int i = 0; i < fm.getBackStackEntryCount(); ++i) {
fm.popBackStack();
}
But could equally have used something like:
((AppCompatActivity)getContext()).getSupportFragmentManager().popBackStack(String name, FragmentManager.POP_B...
How to alter a column and change the default value?
I got the following error while trying to alter a column's data type and setting a new default value:
7 Answers
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