大约有 43,000 项符合查询结果(耗时:0.0496秒) [XML]
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
... find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='service_names'
Once I updated tnsnames.ora to:
TEST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = *<validhost>*)(PORT = *<validport>*...
Eclipse “Invalid Project Description” when creating new project from existing source
...l not be an Android project. You will have to go to Project properties and select an Android version for the project. You may also have to click Android->Fix Project Properties.
– jfritz42
Dec 19 '12 at 0:03
...
Visual Studio can't build due to rc.exe
...ave Visual Studio 2017 or 2019, and you installed Build Tools 2015 without selecting to install its own 2015 Windows SDK (default installation does not install it!), and are trying to use it to compile, you may run into this problem.
In my case, I already had Visual Studio 2017. When I tried to use ...
What is the proper way to use the node.js postgresql module?
...romise boils down to just what's relevant to your business logic:
db.any('SELECT * FROM users WHERE status = $1', ['active'])
.then(data => {
console.log('DATA:', data);
})
.catch(error => {
console.log('ERROR:', error);
});
i.e. you do not need to deal with ...
Making the Android emulator run faster
...ve to properly shut down your emulator device (hold the power button, then select Power off) to avoid having errors when you start it the next time (I could just close the ARM emulator, but with the Intel emulator, just closing seems to create problems).
– ADTC
...
What are the alternatives now that the Google web search API has been deprecated? [closed]
...w, just put www.anyurl.com to get past this screen. More on this later ).
Select the CSE edition you want and accept the Terms of Service, then click Next. Select the layout option you want, and then click Next.
Click any of the links under the Next steps section to navigate to your Control panel.
...
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 do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
...r because @SQL needs to be NVARCHAR
DECLARE @SQL VARCHAR(100)
SET @SQL = 'SELECT TOP 1 * FROM sys.tables'
EXECUTE sp_executesql @SQL
So:
DECLARE @SQL NVARCHAR(100)
SET @SQL = 'SELECT TOP 1 * FROM sys.tables'
EXECUTE sp_executesql @SQL
...
SQL Server - stop or break execution of a SQL script
...SERROR to actually stop the script. E.g.,
:on error exit
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[SOMETABLE]') AND type in (N'U'))
RaisError ('This is not a Valid Instance Database', 15, 10)
GO
print 'Keep Working'
will output:
Msg 50000, Level 15, St...
What is the HTML tabindex attribute?
...ments support the tabindex attribute: anchor, area, button, input, object, select, and textarea. But the HTML5 spec, with accessibility in mind, allows all elements to be assigned tabindex.
--
For example
<ul tabindex="-1">
<li tabindex="1"></li>
<li tabindex="2"><...
