大约有 4,520 项符合查询结果（耗时：0.0387秒） [XML]
What is the 'dynamic' type in C# 4.0 used for?
C# 4.0 introduced a new type called 'dynamic'. It all sounds good, but what would a programmer use it for?
10 Answers
...
How do I make a list of data frames?
How do I make a list of data frames and how do I access each of those data frames from the list?
8 Answers
...
How to parse/format dates with LocalDateTime? (Java 8)
...
Active
Oldest
Votes
...
C++ unordered_map using a custom class type as the key
I am trying to use a custom class as key for an unordered_map , like the following:
3 Answers
...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
I work on C++ projects, and I went through Alex Ott's guide to CEDET and other threads about tags in StackOverflow, but I am still confused about how Emacs interfaces with these different tag systems to facilitate autocompletion, the looking up of definitions, navigation of source code base or the...
Quickly find whether a value is present in a C array?
I have an embedded application with a time-critical ISR that needs to iterate through an array of size 256 (preferably 1024, but 256 is the minimum) and check if a value matches the arrays contents. A bool will be set to true is this is the case.
...
What's the fundamental difference between MFC and ATL?
Assuming I am only using them for "normal" GUI programs (no COM, no ActiveX, nothing fancy), what is the fundamental difference I will see between ATL and MFC, to help me figure out which one to use?
...
How to get first and last day of previous month (with timestamp) in SQL Server
I could not find the solution which gives first and last day of previous month with timestamp. Hope this helps others. If there is already a solution for this problem I apologize.
...
What characters are allowed in an email address?
I'm not asking about full email validation.
17 Answers
17
...
Please explain the exec() function and its family
What is the exec() function and its family? Why is this function used and how does its work?
7 Answers
...