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Use tnsnames.ora in Oracle SQL Developer
...ced answer :
SQL Developer will look in the following location in this order for a tnsnames.ora file
$HOME/.tnsnames.ora
$TNS_ADMIN/tnsnames.ora
TNS_ADMIN lookup key in the registry
/etc/tnsnames.ora ( non-windows )
$ORACLE_HOME/network/admin/tnsnames.ora
Local...
What exactly does @synthesize do?
...then will result in having two ivars, namely someInt plus an autogenerated _someInt variable. Thus self.someInt and someInt will not address the same variables any more. If you don't expect such behavior as I did this might get you some headache to find out.
...
Do I need to heartbeat to keep a TCP connection open?
...rdless but yes it's often common to see protocols implement a heartbeat in order to help detect dead connections, IRC with the PING command for example.
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What is the definition of “interface” in object oriented programming
...dom.randint(0,10)
# What you care about
class SecretGame(object):
def __init__(self, number_generator):
number = number_generator.generate()
print number
Here, none of the classes implement an interface. Python does not care about that, because the SecretGame class will just t...
Saving images in Python at a very high quality
...his after running the commands to plot the image:
plt.savefig('destination_path.eps', format='eps')
I have found that eps files work best and the dpi parameter is what really makes them look good in a document.
UPDATE:
To specify the orientation of the figure before saving simply call the follo...
Converting BigDecimal to Integer
...very specific need for the wrap around that happens when you drop the high-order bits.
Given those params, intValueExact() throws an exception when we don't want it to if our fractional part is non-zero. On the other hand, intValue() doesn't throw an exception when it should if our BigDecimal is ...
AWS S3 copy files and folders between two buckets
...
A simplified example using the aws-sdk gem:
AWS.config(:access_key_id => '...', :secret_access_key => '...')
s3 = AWS::S3.new
s3.buckets['bucket-name'].objects['source-key'].copy_to('target-key')
If you want to perform the copy between different buckets, then specify the target ...
How to call another controller Action From a controller in Mvc
...ublic class AController : ApiController
{
private readonly BController _bController;
public AController(
BController bController)
{
_bController = bController;
}
public httpMethod{
var result = _bController.OtherMethodBController(parameters);
....
}
}
...
How to print a stack trace in Node.js?
...rames, you can use the command-line argument to increase this, e.g. --stack_trace_limit=200
– Michael
May 15 '16 at 7:15
1
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Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...s you have).
In that case, lose the GROUP BY statement. All you need is ORDER BY loc.LocationID
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