大约有 47,000 项符合查询结果（耗时：0.0877秒） [XML]
How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
...o match a divierd class based on the class given to the serilaizer
/// Selected class will be the first class to match all properties in the json object.
/// </summary>
public class KnownTypeConverter : JsonConverter
{
public override bool CanConvert(Type objectType)
...
OrderBy descending in Lambda expression?
... orderby person.Name descending, person.Age descending
select person.Name;
is equivalent to:
var query = people.OrderByDescending(person => person.Name)
.ThenByDescending(person => person.Age)
.Select(person => person.Name);
...
How to call Stored Procedure in Entity Framework 6 (Code-First)?
...Campaign]
@ClientId int
AS
BEGIN
SET NOCOUNT ON;
SELECT AgeGroup, Gender, Payout
FROM IntegrationResult
WHERE ClientId = @ClientId
END
create a class that looks like:
public class ResultForCampaign
{
public string AgeGroup { get; set; }
...
How do you track record relations in NoSQL?
...(A .NET based NoSQL Database with SQL support) your queries will be like
SELECT * FROM Comments WHERE userid = ‘That user’;
SELECT * FROM Comments WHERE pageid = ‘That user’;
SELECT * FROM Comments WHERE post-time > DateTime('2016, 1, 1');
SELECT * FROM Page WHERE tag = 'kendo'
...
What is the difference between “AS” and “IS” in an Oracle stored procedure?
...lied to make your code more readable:
FUNCTION f IS ...
CREATE VIEW v AS SELECT ...
share
|
improve this answer
|
follow
|
...
Using Emacs to recursively find and replace in text files not already open
...files, type D to close them all.
Step-by-Step Guide for Emacs Beginners
Select Target Files
Start emacs by typing “emacs” in the command line interface prompt. (Or, double click the Emacs icon if you are in a Graphics User Interface environment)
Selecting Files in a Directory
First you nee...
Why is creating a new process more expensive on Windows than Linux?
...e? Can somebody explain the technical reasons for why it's more expensive and provide any historical reasons for the design decisions behind those reasons?
...
Custom toast on Android: a simple example
I'm new to Android programming. What is a simple example showing a custom toast notification on Android?
17 Answers
...
“From View Controller” disappears using UIViewControllerContextTransitioning
I got one problem and i have described it below.
17 Answers
17
...
Difference between int32, int, int32_t, int8 and int8_t
... in a C program recently. I know that it stores 32 bits, but don't int and int32 do the same?
3 Answers
...