2016年2月19日 · I read about * referencing operator and & dereferencing operator; or that referencing means making a pointer point to a variable and dereferencing is accessing the value of the variable that the pointer points to. So I got confused. Can I get a simple but thorough explanation about "referencing and dereferencing"?

What does referencing table mean and what does referenced table mean? In the above example which one should be referenced and which one referencing? Lets say for the sake of argument that the settlements table is a child table (settlement cannot exist without a country). Should this child table be referencing or referenced?

2023年3月30日 · int *p; would define a pointer to an integer, and *p would dereference that pointer, meaning that it would actually retrieve the data that p points to.

Is there a standard way of referencing objects by identity in JSON? For example, so that graphs and other data structures with lots of (possibly circular) references can be sanely serialized/loaded?

2014年9月17日 · What database and version? Recursive queries are vendor-specific, if supported at all.

2017年3月1日 · I'm having some issues which I'm guessing are related to self-referencing using .NET Core Web API and Entity Framework Core. My Web API starting choking when I added .Includes for some navigation

2018年7月11日 · AFTER INSERT OR DELETE OR UPDATE ON invoice REFERENCING NEW AS NEW OLD AS OLD FOR EACH ROW BEGIN If Inserting Then INSERT INTO INVOICE_H Both trigger inserting or updating or deleting data in Hist table related to particular table. What is the use of 'REFERENCING NEW AS NEW OLD AS OLD' when we are already using :old and …

2020年2月23日 · I have a Project entity with a non-autogenerated id field and a successor field. This successor is the project that follows next. But maybe there is no following project so this might be null. @En...

2019年1月24日 · I'm having multiple PowerQuery queries that I would like to feed the value of a cell in my Excel file. In this particular case, the full path to the sourcefile name. Is there any way I can get thi...

2020年3月26日 · A "table" in Excel is indeed known as a ListObject. The "proper" way to reference a table is by getting its ListObject from its Worksheet i.e. SheetObject.ListObjects(ListObjectName). If you want to reference a table without using the sheet, you can use a hack Application.Range(ListObjectName).ListObject. NOTE: This hack …