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Should struct definitions go in .h or .c file?
...uct s { | | struct s; |
| int internal; | | |
| int other_stuff; | | extern void |
| }; | | api_func(struct s *foo, int x); |
| ...
MySQL foreign key constraints, cascade delete
I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
...
Can an ASP.NET MVC controller return an Image?
...
For those that are coming into this question now, this was the solution that worked best for me.
– Clarence Klopfstein
Dec 25 '09 at 5:09
...
Computed / calculated / virtual / derived columns in PostgreSQL
...he similar "computed columns" of SQL Server.
STORED generated columns are introduced with Postgres 12. Trivial example:
CREATE TABLE tbl (
int1 int
, int2 int
, product bigint GENERATED ALWAYS AS (int1 * int2) STORED
);
db<>fiddle here
VIRTUAL generated columns may come with one o...
How to show math equations in general github's markdown(not github's blog)
...
this worked great. I had to convert a jupyter notebook (.ipynb) to .md and the equations were essentially multiline latex code.
– Marc Maxmeister
Jun 17 '19 at 18:21
...
Sort objects in ArrayList by date?
...e(Date datetime) {
this.dateTime = datetime;
}
@Override
public int compareTo(MyObject o) {
return getDateTime().compareTo(o.getDateTime());
}
}
And then you sort it by calling:
Collections.sort(myList);
However sometimes you don't want to change your model, like when you want ...
How can you iterate over the elements of an std::tuple?
... @ViktorSehr AFAICT it doesn't (at least on GCC 4.7.2)? Anyone with a hint?
– sehe
Apr 8 '13 at 7:55
@ViktorSehr F...
Static nested class in Java, why?
...her members of the enclosing class.
...
Note: A static nested class interacts with the instance members of its outer class (and other classes) just like any other top-level class. In effect, a static nested class is behaviorally a top-level class that has been nested in another top-level clas...
C#: Printing all properties of an object [duplicate]
...ere you can an object name (while in debug mode), press enter, and it is printed fairly prettily with all its stuff.
9 Answ...
What does {0} mean when initializing an object?
...licitly initialized shall be
default-initialized.
Example:
struct S { int a; char* b; int c; };
S ss = { 1, "asdf" };
initializes ss.a with 1, ss.b with
"asdf", and ss.c with the value of an
expression of the form int(), that is,
0.
You can find the complete spec on this topic her...