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What is a software framework? [closed]
... one nice packet, hence providing the abstraction for your application and more importantly many applications.
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Should I return a Collection or a Stream?
...;T> c = getFooStream().collect(toList());
So the question is, which is more useful to your callers.
If your result might be infinite, there's only one choice: Stream.
If your result might be very large, you probably prefer Stream, since there may not be any value in materializing it all at once,...
`testl` eax against eax?
... 1. Your "voice" is very different from mine, and right now it reads a lot more like your answer than mine. 2. More problematic is the bold assertion that the flags come out exactly the same way between test and cmp. Yes, I understand that's your belief based on your comments to Cody. However, putti...
What is an anti-pattern?
...ilities for different objects to keep the code less coupled and ultimately more maintainable:
class FileInputOutput {
function ReadFromFile() {}
function WriteToFile() {}
}
class UserInputOutput {
function DisplayToScreen() {}
function ValidateInput() {}
}
class Logic {
functi...
More elegant way of declaring multiple variables at the same time
...the upside, it may help to explain the concepts of iterables and iterators more clearly.
Defining the function invert_dict such that it actually returns a dictionary is not a bad idea either; I mostly just didn't do that because it doesn't really help to explain how the routine works.
Apparent...
Java: when to use static methods
... involves two Car objects, and still want it to be static. E.g.:
Car theMoreEfficientOf( Car c1, Car c2 )
Although this could be converted to a non-static version, some would argue that since there isn't a "privileged" choice of which Car is more important, you shouldn't force a caller to choos...
how do I check in bash whether a file was created more than x time ago?
I want to check in linux bash whether a file was created more than x time ago.
8 Answers
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Hash collision in git
... randomly from a given set, you need surprisingly few picks before you are more likely than not to have picked something twice. But "surprisingly few" is a very relative term here.
Wikipedia has a table on the probability of Birthday Paradox collisions. There is no entry for a 40 character hash. But...
How to declare global variables in Android?
...subclassing Application. Read it at your own risk.
ORIGINAL ANSWER:
The more general problem you are encountering is how to save state across several Activities and all parts of your application. A static variable (for instance, a singleton) is a common Java way of achieving this. I have found ho...
Performance optimization strategies of last resort [closed]
... code, bringing the time down to 20 seconds.
Now the largest time-taker is more list-building. As a percentage, it was not so big before, but now it is because the bigger problem was removed. I find a way to speed it up, and the time drops to 17 seconds.
Now it is harder to find obvious culprits, bu...