大约有 42,000 项符合查询结果（耗时：0.0464秒） [XML]
Test if a vector contains a given element
How to check if a vector contains a given value?
7 Answers
7
...
Implementing two interfaces in a class with same method. Which interface method is overridden?
Two interfaces with same method names and signatures. But implemented by a single class then how the compiler will identify the which method is for which interface?
...
How to get a random number in Ruby
How do I generate a random number between 0 and n ?
17 Answers
17
...
How should I ethically approach user password storage for later plaintext retrieval?
As I continue to build more and more websites and web applications I am often asked to store user's passwords in a way that they can be retrieved if/when the user has an issue (either to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against thi...
How to tell if a string contains a certain character in JavaScript?
I have a page with a textbox where a user is supposed to enter a 24 character (letters and numbers, case insensitive) registration code. I used maxlength to limit the user to entering 24 characters.
...
How to initialize HashSet values by construction?
I need to create a Set with initial values.
23 Answers
23
...
Convert pandas dataframe to NumPy array
I am interested in knowing how to convert a pandas dataframe into a NumPy array.
15 Answers
...
Which HTTP methods match up to which CRUD methods?
In RESTful style programming, we should use HTTP methods as our building blocks. I'm a little confused though which methods match up to the classic CRUD methods. GET/Read and DELETE/Delete are obvious enough.
...
What is a reasonable code coverage % for unit tests (and why)? [closed]
If you were to mandate a minimum percentage code-coverage for unit tests, perhaps even as a requirement for committing to a repository, what would it be?
...
How can I read inputs as numbers?
Why are x and y strings instead of ints in the below code?
10 Answers
10
...