大约有 44,000 项符合查询结果（耗时：0.0319秒） [XML]
C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
... .Include(i => i.Category)
.Include(i => i.Brand)
.FistOrDefault(x => x.ItemId == id);
share
|
improve this answer
|
follow
...
Database design for audit logging
...d that is used by a few wiki platforms is to separate the identifying data and the content you're auditing. It adds complexity, but you end up with an audit trail of complete records, not just listings of fields that were edited that you then have to mash up to give the user an idea of what the old...
SQLAlchemy IN clause
...w SQL mode with SQLAlchemy, I use SQLAlchemy 0.9.8, python 2.7, MySQL 5.X, and MySQL-Python as connector, in this case, a tuple is needed. My code listed below:
id_list = [1, 2, 3, 4, 5] # in most case we have an integer list or set
s = text('SELECT id, content FROM myTable WHERE id IN :id_list')
c...
Find the index of a dict within a list, by matching the dict's value
...answered Dec 8 '10 at 20:03
toklandtokland
58.5k1212 gold badges124124 silver badges159159 bronze badges
...
Can I query MongoDB ObjectId by date?
... an ObjectId embedded with a given datetime */
/* Accepts both Date object and string input */
function objectIdWithTimestamp(timestamp) {
/* Convert string date to Date object (otherwise assume timestamp is a date) */
if (typeof(timestamp) == 'string') {
timestamp = new Date(timest...
jQuery or CSS selector to select all IDs that start with some string [duplicate]
...
Is this selector in CSS works on older browsers like ie8 and ie9, and if not what the alternative?
– Jim
Sep 19 '13 at 7:08
...
How can I convert this foreach code to Parallel.ForEach?
...m a bit of confused about Parallel.ForEach .
What is Parallel.ForEach and what does it exactly do?
Please don't reference any MSDN link.
...
facebook: permanent Page Access Token?
...ret}&fb_exchange_token={short_lived_token}
entering in your app's ID and secret and the short-lived token generated in the previous step.
You cannot use the Graph API Explorer. For some reason it gets stuck on this request. I think it's because the response isn't JSON, but a query string. Sin...
T-SQL stored procedure that accepts multiple Id values
Is there a graceful way to handle passing a list of ids as a parameter to a stored procedure?
6 Answers
...
How to implement has_many :through relationships with Mongoid and mongodb?
...ther side. For example:
class Physician
include Mongoid::Document
has_and_belongs_to_many :patients
end
class Patient
include Mongoid::Document
has_and_belongs_to_many :physicians
end
In other words you would eliminate the join table and it would have a similar effect to has_many :throug...