大约有 20,000 项符合查询结果（耗时：0.0623秒） [XML]
Using Java 8's Optional with Stream::flatMap
... Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
...
Why doesn't JavaScript support multithreading?
Is it a deliberate design decision or a problem with our current day browsers which will be rectified in the coming versions?
...
Make a div fill the height of the remaining screen space
I am working on a web application where I want the content to fill the height of the entire screen.
33 Answers
...
Is it possible to Pivot data using LINQ?
I am wondering if it is possible to use LINQ to pivot data from the following layout:
6 Answers
...
Which types can be used for Java annotation members?
...
It's specified by section 9.6.1 of the JLS. The annotation member types must be one of:
primitive
String
an Enum
another Annotation
Class
an array of any of the above
It does seem restrictive, but no doubt there are reasons for it.
Also n...
What is 'Pattern Matching' in functional languages?
I'm reading about functional programming and I've noticed that Pattern Matching is mentioned in many articles as one of the core features of functional languages.
...
How to compare two floating point numbers in Bash?
I am trying hard to compare two floating point numbers within a bash script. I have to variables, e.g.
17 Answers
...
Checking if a string can be converted to float in Python
...rough a list of strings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy
...
Difference between events and delegates and its respective applications [closed]
I don't see advantages of using events over delegates, other than being syntactical sugar. Perhaps I am misunderstanding, but it seems that event is just a placeholder for delegate.
...
String.Join method that ignores empty strings?
The VB.NET method String.Join(separator, stringArray) is similar to PHP's implode, but any null elements in the array are replaced with an empty string, so thatc:
...