大约有 10,150 项符合查询结果（耗时：0.0326秒） [XML]
Pythonic way of checking if a condition holds for any element of a list
I have a list in Python, and I want to check if any elements are negative. Specman has the has() method for lists which does:
...
MySQL select where column is not empty
In MySQL, can I select columns only where something exists?
13 Answers
13
...
Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
I have two identical byte arrays in the following segment of code:
6 Answers
6
...
How do you use the “WITH” clause in MySQL?
I am converting all my SQL Server queries to MySQL and my queries that have WITH in them are all failing. Here's an example:
...
What is the difference between _tmain() and main() in C++?
If I run my C++ application with the following main() method everything is OK:
5 Answers
...
Unique Key constraints for multiple columns in Entity Framework
I'm using Entity Framework 5.0 Code First;
9 Answers
9
...
Too many 'if' statements?
The following code does work how I need it to, but it's ugly, excessive or a number of other things. I've looked at formulas and attempted to write a few solutions, but I end up with a similar amount of statements.
...
T-SQL query to show table definition?
What is a query that will show me the full definition, including indexes and keys for a SQL Server table? I want a pure query - and know that SQL Studio can give this to me, but I am often on "wild" computers that have only the most bare-bones apps and I have no rights to install studio. But SQLCM...
Do the parentheses after the type name make a difference with new?
If 'Test' is an ordinary class, is there any difference between:
6 Answers
6
...
T-SQL: Using a CASE in an UPDATE statement to update certain columns depending on a condition
I am wondering if this is possible at all. I want to update column x if a condition is true, otherwise column y would be updated
...