Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Ask a Question
Welcome To Ask or Share your Answers For Others

Categories

Recent questions tagged Union

0 votes
370 views
1 answer
union on same collection in mongodb
    I need the most viable way to search docs with the following structure. { _id:"", var1: number, var2: ... suggest an alternate nosql solution. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
232 views
1 answer
union - Java: Is there an easy, quick way to AND, OR, or XOR together sets?
    That is, if I had two or more sets, and I wanted to return a new set containing either: All of the ... the wrong terminology, isn't it? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
275 views
1 answer
union 'punning' structs w/ "common initial sequence": Why does C (99+), but not C++, stipulate a 'visible declaration of the union type'?
    Background Discussions on the mostly un-or-implementation-defined nature of type-punning via a union typically quote the ... So, let's go! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
To see more, click for the full list of questions or popular tags.
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

Just Browsing Browsing

2.1m questions

2.1m answers

60 comments

57.0k users

Most popular tags

Powered by Question2Answer
Donate
Theme by Q2A Market&&OStack.cn
...