大约有 9,859 项符合查询结果（耗时：0.0280秒） [XML]
How Do I Get the Query Builder to Output Its Raw SQL Query as a String?
...at:
array(1) {
[0]=>
array(3) {
["query"]=>
string(21) "select * from "users""
["bindings"]=>
array(0) {
}
["time"]=>
string(4) "0.92"
}
}
(Thanks to Joshua's comment below.)
...
Get the new record primary key ID from MySQL insert query?
...
Eg:
INSERT INTO table_name (col1, col2,...) VALUES ('val1', 'val2'...);
SELECT LAST_INSERT_ID();
This will get you back the PRIMARY KEY value of the last row that you inserted:
The ID that was generated is maintained in the server on a per-connection basis. This means that the value returne...
T-SQL - function with default parameters
...
you have to call it like this
SELECT dbo.CheckIfSFExists(23, default)
From Technet:
When a parameter of the function has a default value, the keyword
DEFAULT must be specified when the function is called in order to
retrieve the default value. T...
Creating a copy of a database in PostgreSQL [closed]
...
To disconnect all other users from the database, you can use this query:
SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity
WHERE pg_stat_activity.datname = 'originaldb' AND pid <> pg_backend_pid();
...
LINQ: Distinct values
...d it should be okay:
var query = doc.Elements("whatever")
.Select(element => new {
id = (int) element.Attribute("id"),
category = (int) element.Attribute("cat") })
.Distinct();
If you're trying to get a dis...
Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)?
... array with [0] equal to true/false indicating whether or not this date is selectable and 1 equal to a CSS class name(s) or '' for the default presentation. It is called for each day in the datepicker before is it displayed.
Display some national holidays in the datepicker.
$(".selector").datepick...
How to remove “Server name” items from history of SQL Server Management Studio
... @JoeBrockhaus Works with 11.0.5058.0. Just open the drop down, move the selection over the name you want deleted, and press the Delete key. If you have multiple entries you can select the entry so the ComboBox closes, check that it is the one you want, then hit the open button on the ComboBox and...
libxml/tree.h no such file or directory
...n two ways:
1. Target settings
Click on your target (not your project) and select Build Phases.
Click on the reveal triangle titled Link Binary With Libraries. Click on the + to add a library.
Scroll to the bottom of the list and select libxml2.dylib. That adds the libxml2 library to your project.
2...
Connecting overloaded signals and slots in Qt 5
...alueChanged(QString). From Qt 5.7, there are helper functions provided to select the desired overload, so you can write
connect(spinbox, qOverload<int>(&QSpinBox::valueChanged),
slider, &QSlider::setValue);
For Qt 5.6 and earlier, you need to tell Qt which one you want to p...
Entity Framework is Too Slow. What are my options? [closed]
...uct product = db.Products.SingleOrDefault(p => p.Id == 10);
// executes SELECT * FROM Products WHERE Id = 10
ProductDto dto = new ProductDto();
foreach (Category category in product.Categories)
// executes SELECT * FROM Categories WHERE ProductId = 10
{
dto.Categories.Add(new CategoryDto { N...