大约有 5,880 项符合查询结果（耗时：0.0270秒） [XML]
What are naming conventions for MongoDB?
... here. And after so many decades there is still no agreement whether RDBMS tables should be named singular or plural...
MongoDB speaks JavaScript, so utilize JS naming conventions of camelCase.
MongoDB official documentation mentions you may use underscores, also built-in identifier is named _id (bu...
Can you nest html forms?
...
Just to point the browser-support table: caniuse.com/#feat=form-attribute Resuming - it works everywhere(Chrome, Firefox, Opera, Egde, Safari, Android browser...) except IE (including latest by now v11).
– dmikam
Jul 27...
Checking whether a variable is an integer or not [duplicate]
...ympy.Rational(5) doesn't really fit under the "rational" subsection of the table.
– user2357112 supports Monica
Jan 27 '19 at 2:29
...
Immutable vs Unmodifiable collection
...odifiable collection, you can't rely on the contents not changing.
An immutable collection guarantees that nothing can change the collection any more. If it wraps a modifiable collection, it makes sure that no other code has access to that modifiable collection. Note that although no code can chang...
INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
...ith MySQL 5.6.6, an INSERT ... ON DUPLICATE KEY UPDATE statement against a table having more than one unique or primary key is also marked as unsafe.`
– Abdul Muneer
Aug 10 '15 at 5:53
...
Display milliseconds in Excel
...
I've discovered in Excel 2007, if the results are a Table from an embedded query, the ss.000 does not work. I can paste the query results (from SQL Server Management Studio), and format the time just fine. But when I embed the query as a Data Connection in Excel, the format al...
What does “#pragma comment” mean?
...w I'm not so sure.
Pragma Directives It includes "#pragma comment" in the table you'll see.
HTH
I suspect GCC, for example, has their own set of #pragma's.
share
|
improve this answer
|
...
What is eager loading?
... context of a ORM (Object Relational Mapper), where you map an object to a table in a relational database.
– Loki
Aug 19 '09 at 11:44
add a comment
|
...
What is the difference between an ORM and an ODM?
...a types so you can mix RDBMS and Document-oriented storage within the same table, including indexes and advanced query!
– Arnaud Bouchez
Jul 4 '14 at 11:21
...
Difference between . and : in Lua
...:method(arg) retrieves object only once. If object is a global, upvalue or table field, then : is faster than .. . is never faster than :.
– negamartin
Nov 5 '16 at 8:08
add a...