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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
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I fixed this issue by correcting my jdbc string.
For example, the correct jdbc string should be...
jdbc:oracle:thin:@myserver:1521/XE
But the jdbs string I was using is ...
jdbc:oracle:thin:@myserver:1521:XE
(Note: between 1521 and XE should be a /)
This b...
Rails nested form with has_many :through, how to edit attributes of join model?
... }
}
Notice how linkers_attributes is actually a zero-indexed Hash with String keys, and not an Array? Well, this is because the form field keys that are sent to the server look like this:
topic[name]
topic[linkers_attributes][0][is_active]
topic[linkers_attributes][0][article_attributes][title...
Length of an integer in Python
...er as in the number of digits in the integer, you can always convert it to string like str(133) and find its length like len(str(123)).
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How can I show the name of branches in `git log`?
...se yellow for all my refs for now, do you know how I can let --pretty's %d string inherit the colors of --decorate?
– Gauthier
Mar 18 '15 at 14:11
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ASP.NET MVC Custom Error Handling Application_Error Global.asax?
...ds HTTPError404() , HTTPError500() , and General() . They all accept a string parameter error . Using or modifying the code below.
What is the best/proper way to pass the data to the Error controller for processing? I would like to have a solution as robust as possible.
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Fastest way to convert Image to Byte array
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public static byte[] ReadImageFile(string imageLocation)
{
byte[] imageData = null;
FileInfo fileInfo = new FileInfo(imageLocation);
long imageFileLength = fileInfo.Length;
FileStream fs = new FileStream(imageLocation, FileM...
Is there a MySQL option/feature to track history of changes to records?
...QL database. So when a field has been changed, the old vs new is available and the date this took place. Is there a feature or common technique to do this?
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Installing multiple instances of the same windows service on a server
...ServiceProcessInstaller });
}
#endregion
private string ServiceName
{
get
{
return (ConfigurationManager.AppSettings["ServiceName"] == null ? "Made4PrintFileProcessingService" : ConfigurationManager.AppSettings["ServiceName"]....
What can I do with a moved-from object?
... May-be should be a separate question, but does that mean: if I have a string with char* buffer; and int length; members, then my move constructor/assignment must swap (or set) the value of both? Or would it be OK, if the length was unspecified (meaning that empty and size return meaningless val...
How to assign the output of a command to a Makefile variable
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shell is not a standard Make builtin command. This is a GNU Make builtin.
– Dereckson
Feb 18 '14 at 20:17
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