大约有 43,000 项符合查询结果（耗时：0.0310秒） [XML]
Heroku/GoDaddy: send naked domain to www [closed]
....com to www.yourdomain.com.
Here's how.
Within Account Manager, select My Domain Names
Select the domain name that you want to manage
In the green box, select Change Where Domain Points
Select Advanced DNS, then Continue
First, edit the A Records by selecting Edit A Records
F...
How do I check if a Sql server string is null or empty
...
I think this:
SELECT
ISNULL(NULLIF(listing.Offer_Text, ''), company.Offer_Text) AS Offer_Text
FROM ...
is the most elegant solution.
And to break it down a bit in pseudo code:
// a) NULLIF:
if (listing.Offer_Text == '')
temp := nu...
jQuery Set Cursor Position in Text Area
...
I have two functions:
function setSelectionRange(input, selectionStart, selectionEnd) {
if (input.setSelectionRange) {
input.focus();
input.setSelectionRange(selectionStart, selectionEnd);
}
else if (input.createTextRange) {
var range = inpu...
Why is setTimeout(fn, 0) sometimes useful?
... recently run into a rather nasty bug, wherein the code was loading a <select> dynamically via JavaScript. This dynamically loaded <select> had a pre-selected value. In IE6, we already had code to fix the selected <option> , because sometimes the <select> 's selected...
Stored procedure slow when called from web, fast from Management Studio
...ariables.
eg. change:
ALTER PROCEDURE [dbo].[sproc]
@param1 int,
AS
SELECT * FROM Table WHERE ID = @param1
to:
ALTER PROCEDURE [dbo].[sproc]
@param1 int,
AS
DECLARE @param1a int
SET @param1a = @param1
SELECT * FROM Table WHERE ID = @param1a
Seems strange, but it fixed my problem.
...
SQL Server: Query fast, but slow from procedure
...:
CREATE PROCEDURE GetOrderForCustomers(@CustID varchar(20))
AS
BEGIN
SELECT *
FROM orders
WHERE customerid = @CustID
END
Fast way:
CREATE PROCEDURE GetOrderForCustomersWithoutPS(@CustID varchar(20))
AS
BEGIN
DECLARE @LocCustID varchar(20)
SET @LocCustID = @CustID
SELEC...
fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
...t; Configuration Properties > Linker > Advanced > Target Machine. Select MachineX64 if you are targeting a 64 bit build, or MachineX86 if you are making a 32 bit build.
Select Build > Configuration Manager from the main menu in visual studio. Make sure your project has the correct platfo...
Is it possible to change a UIButtons background color?
...IControlStateDisabled];
[myButton setBackgroundImage:[UIImage imageNamed:@"selected.png"] forState:UIControlStateSelected];
[myButton setBackgroundImage:[UIImage imageNamed:@"higligted.png"] forState:UIControlStateHighlighted];
[myButton setBackgroundImage:[UIImage imageNamed:@"highlighted+selected....
SQL-Server: Is there a SQL script that I can use to determine the progress of a SQL Server backup or
...
I found this sample script here that seems to be working pretty well:
SELECT r.session_id,r.command,CONVERT(NUMERIC(6,2),r.percent_complete)
AS [Percent Complete],CONVERT(VARCHAR(20),DATEADD(ms,r.estimated_completion_time,GetDate()),20) AS [ETA Completion Time],
CONVERT(NUMERIC(10,2),r.total_el...
What is the relative performance difference of if/else versus switch statement in Java?
... just ints. From the Java Tutorials: "A switch works with the byte, short, char, and int primitive data types. It also works with enumerated types (discussed in Enum Types), the String class, and a few special classes that wrap certain primitive types: Character, Byte, Short, and Integer (discussed ...