大约有 45,000 项符合查询结果(耗时:0.0568秒) [XML]
How to iterate object in JavaScript? [duplicate]
...it with the below code. You first get the data array using dictionary.data and assign it to the data variable. After that you can iterate it using a normal for loop. Each row will be a row object in the array.
var data = dictionary.data;
for (var i in data)
{
var id = data[i].id;
var nam...
How do I create a foreign key in SQL Server?
I have never "hand-coded" object creation code for SQL Server and foreign key decleration is seemingly different between SQL Server and Postgres. Here is my sql so far:
...
How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
Let's just suppose I have a valid need for directly executing a sql command in Entity Framework. I am having trouble figuring out how to use parameters in my sql statement. The following example (not my real example) doesn't work.
...
Same Navigation Drawer in different Activities
...orking navigation drawer like it's shown in the tutorial on the developer.android.com website. But now, I want to use one Navigation Drawer, i created in the NavigationDrawer.class for multiple Activities in my Application.
...
How can I get LINQ to return the object which has the max value for a given property? [duplicate]
...tID { get; set; }
public int ID { get; set; }
}
Rearrange the list and get the same result
share
|
improve this answer
|
follow
|
...
Can I set enum start value in Java?
... just labels for integers.
Java enums are implemented more like classes - and they can even have multiple attributes.
public enum Ids {
OPEN(100), CLOSE(200);
private final int id;
Ids(int id) { this.id = id; }
public int getValue() { return id; }
}
The big difference is that th...
Is there ever a time where using a database 1:1 relationship makes sense?
...re is a larger set of data that needs to be collected, if and only if they select to have health coverage. I would keep the demographic data regarding health coverage in a different table to both give easier security partitioning and to avoid hauling that data around in queries unrelated to insuranc...
Alternative to google finance api [closed]
...ery Language)**
For example:
http://developer.yahoo.com/yql/console/?q=select%20*%20from%20yahoo.finance
.quotes%20where%20symbol%20in%20(%22YHOO%22%2C%22AAPL%22%2C%22GOOG%22%2C%22
MSFT%22)%0A%09%09&env=http%3A%2F%2Fdatatables.org%2Falltables.env
2. Use the webservice
For example, to get ...
RedirectToAction with parameter
...arameter appears in the URL, which is based on how the RouteConfig file is and how routing mechanisms are. For instance, new { id = 100 } can produce the URL "/100", while new {groupId = 100} might be interpreted as a query string (as was mentioned above), resulting in the URL "?groupId=100".
...
Insert Update stored proc on SQL Server
...
Your assumption is right, this is the optimal way to do it and it's called upsert/merge.
Importance of UPSERT - from sqlservercentral.com:
For every update in the case mentioned above we are removing one
additional read from the table if we
use the UPSERT instead of EXISTS....