大约有 40,000 项符合查询结果（耗时：0.0498秒） [XML]
How to run code when a class is subclassed? [duplicate]
...- Watcher subclasses type, not object. 2 - SuperClass has no superclass at all, not object. I'm just so used to writing down object as a superclass for every class I defined that I somehow missed it that this code was using something else. Although there doesn't seem to be any harm in making SuperCl...
How to choose the id generation strategy when using JPA and Hibernate
...
The API Doc are very clear on this.
All generators implement the interface org.hibernate.id.IdentifierGenerator. This is a very simple interface. Some applications can choose to provide their own specialized implementations, however, Hibernate provides a range ...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...
General numeric sort compares the numbers as floats, this allows scientific notation eg 1.234E10 but is slower and subject to rounding error (1.2345678 could come after 1.2345679), numeric sort is just a regular alphabetic sort that knows 10 comes after 9.
See http://www.gnu.o...
Template default arguments
If I am allowed to do the following:
4 Answers
4
...
How to write to a file, using the logging Python module?
... __name__ == '__main__': if running on apache
– Rami Alloush
Apr 14 '19 at 19:08
@RamiAlloush can you please elaborate...
What is the ultimate postal code and zip regex?
... zip code regex. I'm looking for something that will cover most (hopefully all) of the world.
20 Answers
...
How to compare only date components from DateTime in EF?
I am having two date values, one already stored in the database and the other selected by the user using DatePicker. The use case is to search for a particular date from the database.
...
Spring Boot Rest Controller how to return different HTTP status codes?
...s you can use. Quite good way is to use exceptions and class for handling called @ControllerAdvice:
@ControllerAdvice
class GlobalControllerExceptionHandler {
@ResponseStatus(HttpStatus.CONFLICT) // 409
@ExceptionHandler(DataIntegrityViolationException.class)
public void handleConflict...
How do you use version control with Access development?
...an Access solution. It has a good amount of VBA, a number of queries, a small amount of tables, and a few forms for data entry & report generation. It's an ideal candidate for Access.
...
Create a “with” block on several context managers? [duplicate]
...rite:
with A() as X, B() as Y, C() as Z:
do_something()
This is normally the best method to use, but if you have an unknown-length list of context managers you'll need one of the below methods.
In Python 3.3, you can enter an unknown-length list of context managers by using contextlib.Exit...