大约有 18,000 项符合查询结果（耗时：0.0259秒） [XML]
How do I determine whether an array contains a particular value in Java?
I have a String[] with values like so:
29 Answers
29
...
What is a plain English explanation of “Big O” notation?
...
Active
Oldest
Votes
1
2
Next
...
Big-O summary for Java Collections Framework implementations? [closed]
I may be teaching a "Java crash-course" soon. While it is probably safe to assume that the audience members will know Big-O notation, it is probably not safe to assume that they will know what the order of the various operations on various collection implementations is.
...
No Multiline Lambda in Python: Why not?
I've heard it said that multiline lambdas can't be added in Python because they would clash syntactically with the other syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that ...
Avoiding instanceof in Java
Having a chain of "instanceof" operations is considered a "code smell". The standard answer is "use polymorphism". How would I do it in this case?
...
Select the values of one property on all objects of an array in PowerShell
Let's say we have an array of objects $objects. Let's say these objects have a "Name" property.
4 Answers
...
Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
5 Answers
...
What is PAGEIOLATCH_SH wait type in SQL Server?
I have a query that is taking a long time in the middle of a transaction. When I get the wait_type of the process it is PAGEIOLATCH_SH .
...
What would cause an algorithm to have O(log n) complexity?
...O is limited, and when log terms show up in the equation it throws me off even more.
6 Answers
...
Knight's Shortest Path on Chessboard
I've been practicing for an upcoming programming competition and I have stumbled across a question that I am just completely bewildered at. However, I feel as though it's a concept I should learn now rather than cross my fingers that it never comes up.
...