大约有 41,000 项符合查询结果（耗时：0.0556秒） [XML]
What is the string concatenation operator in Oracle?
...
It is ||, for example:
select 'Mr ' || ename from emp;
The only "interesting" feature I can think of is that 'x' || null returns 'x', not null as you might perhaps expect.
...
how to remove only one style property with jquery
I have a div with this property style="-moz-user-select:none; position:static !important;" .
I need to remove the -moz-user-select
Tried with $(selector).css() but I don't know what value to set because it's "none".
...
How do I hide .class files from the Open Resource dialog in Eclipse?
...
Right click on the project and select Properties
Expand Resource and click on Resource Filters
Click on Add Filter... to create a new filter
On the dialog box that opens
Select the Exclude all and Files radio buttons
Under File and Folder Attributes e...
In PHP what does it mean by a function being binary-safe?
...on which expects null-terminated strings, so if the string contains a null character, the function would ignore anything after it.
This is relevant because PHP does not cleanly separate string and binary data.
share
...
jQuery: Get selected element tag name
... be helpful when comparing prop('tagName') result to a tag name. if($("my_selector").prop("tagName").toLowerCase() == 'div') or if($("my_selector").prop("tagName").toUpperCase() == 'DIV')
– S.Thiongane
Jun 4 '14 at 14:39
...
Can you get the column names from a SqlDataReader?
...GetName(i));
}
or
var columns = Enumerable.Range(0, reader.FieldCount).Select(reader.GetName).ToList();
share
|
improve this answer
|
follow
|
...
MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
...statement insert rows based on explicitly specified values. The INSERT ... SELECT form inserts rows selected from another table or tables.
share
|
improve this answer
|
foll...
How to check existence of user-define table type in SQL Server 2008?
...y. You can't use OBJECT_ID to search for a table type by name -- check out SELECT name FROM sys.objects WHERE type = 'TT'
– NReilingh
Nov 29 '15 at 9:17
add a comment
...
What CSS selector can be used to select the first div within another div
...
Can you tell me how to select all div except first/last div?
– Tân
Jul 5 '16 at 9:17
5
...
ComboBox: Adding Text and Value to an Item (no Binding Source)
...ext1";
item.Value = 12;
comboBox1.Items.Add(item);
comboBox1.SelectedIndex = 0;
MessageBox.Show((comboBox1.SelectedItem as ComboboxItem).Value.ToString());
}
share
|
improve this...