大约有 40,000 项符合查询结果（耗时：0.0266秒） [XML]
WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
...
It doesn't look like WITH CHECK is actually the default, it's only the default for new data. From msdn.microsoft.com/en-us/library/ms190273.aspx: "If not specified, WITH CHECK is assumed for new constraints, and WITH NOCHECK is assumed for re-enabled constraints."...
Most efficient way to remove special characters from string
I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.).
...
Getting the name of a child class in the parent class (static context)
...
98
in short. this is not possible. in php4 you could implement a terrible hack (examine the debug_...
What does -> mean in Python function definitions?
...
98
As other answers have stated, the -> symbol is used as part of function annotations. In more...
Measuring elapsed time with the Time module
...
98
time.time() will do the job.
import time
start = time.time()
# run your code
end = time.time(...
SQLAlchemy: print the actual query
I'd really like to be able to print out valid SQL for my application, including values, rather than bind parameters, but it's not obvious how to do this in SQLAlchemy (by design, I'm fairly sure).
...
How to read a file in reverse order?
...
Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered May 14 '14 at 5:09
srohdesrohd...
Constructor overload in TypeScript
...
TypeScript allows you to declare overloads but you can only have one implementation and that implementation must have a signature that is compatible with all overloads. In your example, this can easily be done with an optional parameter...
Way to get all alphabetic chars in an array in PHP?
Is there a way to get all alphabetic chars (A-Z) in an array in PHP so I can loop through them and display them?
14 Answers...
How to initialize private static members in C++?
...t be done outside of any function.
Note: Matt Curtis: points out that C++ allows the simplification of the above if the static member variable is of const int type (e.g. int, bool, char). You can then declare and initialize the member variable directly inside the class declaration in the header fil...