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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...problem Service Name, then in Windows "Services" control panel, I did a "Restart" on the Oracle listener service. Now all is well.
For example, your listener.ora file might initially look like:
# listener.ora Network Configuration File: C:\app\oracle_user\product\12.1.0\dbhome_1\network\admin\l...
How to get 30 days prior to current date?
I have a start calendar input box and an end calendar input box. We want defaults start calendar input box 30 days prior to current date and the end calendar input box to be the current date. Here is my date vars.
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Comments in .gitignore?
...
Yes, you may put comments in there. They however must start at the beginning of a line.
cf. http://git-scm.com/book/en/Git-Basics-Recording-Changes-to-the-Repository#Ignoring-Files
The rules for the patterns you can put in the .gitignore file are as follows:
- Blank lines...
Do zombies exist … in .NET?
...int dwExitCode);
static void Main(string[] args)
{
new Thread(Target).Start();
Console.ReadLine();
}
private static void Target()
{
using (var file = File.Open("test.txt", FileMode.OpenOrCreate))
{
ExitThread(0);
}
}
This program starts a thread Target which opens a f...
Determine the line of code that causes a segmentation fault?
...
<offending code is shown here>
Here is a nice tutorial to get you started with GDB.
Where the segfault occurs is generally only a clue as to where "the mistake which causes" it is in the code. The given location is not necessarily where the problem resides.
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How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...use with SQL Server 2008.
http://scriptio.codeplex.com/
EDIT: I've since started using RedGate's SQL Compare product to do this. It's a very nice replacement for all that sql publishing wizard should have been. You choose a database, backup, or snapshot as the source, and a folder as the output lo...
How do I use raw_input in Python 3
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Starting with Python 3, raw_input() was renamed to input().
From What’s New In Python 3.0, Builtins section second item.
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How to search for file names in Visual Studio?
... answer out of all of them.
To summarize, simply hit:
CTRL + ,
And then start typing the file name.
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Do while loop in SQL Server 2008
...<=10
Here is the equivalent T-SQL code using goto:
DECLARE @I INT=1;
START: -- DO
PRINT @I;
SET @I+=1;
IF @I<=10 GOTO START; -- WHILE @I<=10
Notice the one to one mapping between the GOTO enabled solution and the original DO / WHILE pseudocode. A similar implementati...
Is there any advantage of using map over unordered_map in case of trivial keys?
... If you know the size of the unordered_map and reserve that at the start - do you still pay a penalty of many insertions? Say, you're only inserting once when you built the lookup table - and then later only read from it.
– thomthom
Dec 9 '13 at 10:37
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