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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...nding and setting the number of cursors
The number is normally configured by the DBA on installation. The number of cursors currently in use, the maximum number and the configuration can be accessed in the Administrator functions in Oracle SQL Developer. From SQL it can be set with:
ALTER SYSTEM S...
How can I index a MATLAB array returned by a function without first assigning it to a local variable
...ariable is still fully created though. So if the purpose is to save memory by not having to create a temporary local variable, no luck.
– Sam Roberts
Sep 21 '11 at 16:18
8
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Scala actors: receive vs react
...a StackOverflowError. As it is, the framework rather cleverly ends a react by throwing a SuspendActorException, which is caught by the looping code which then runs the react again via the andThen method.
Have a look at the mkBody method in Actor and then the seq method to see how the loop reschedul...
Why Choose Struct Over Class?
...ation is somewhat contradictory:
Structure instances are always passed by value, and class
instances are always passed by reference. This means that they are
suited to different kinds of tasks. As you consider the data
constructs and functionality that you need for a project, decide
whet...
Is there a method that works like start fragment for result?
...ping Fragments in a single Activity, well the Activity is still accessible by both Fragments, and all your message passing can simply go through the Activity.
Just remember that you always have communication between a Fragment and its Activity. Starting for and finishing with a result is the mecha...
Current time in microseconds in java
...a need to migrate them… to get the current time in microseconds as asked by this Question.
– Basil Bourque
Apr 26 '19 at 8:56
...
Markdown and image alignment
...
Clean it up & standardize by strippnig the unnecessary div and adding a closing slash to the img tag, respectively, i.e. `<img style="float:right" src="whatever.jpg" />
– ma11hew28
Nov 14 '10 at 14:54
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Can (domain name) subdomains have an underscore “_” in it?
...ibed as the "preferred name syntax" in Section 3.5 of RFC 1034 as modified by RFC 1123. Briefly, it is a string consisting of ASCII letters, digits, and the hyphen with the further restriction that the hyphen cannot appear at the beginning or end of the string. Like all DNS labels, its total length...
What is the (function() { } )() construct in JavaScript?
...})();
// foo is unreachable here (it’s undefined)
Correction suggested by Guffa:
The function is executed right after it's created, not after it is parsed. The entire script block is parsed before any code in it is executed. Also, parsing code doesn't automatically mean that it's executed, i...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...ine switches are all detailed in perlrun. (available from the command line by calling perldoc perlrun)
Going into the options briefly, one-by-one:
-p: Places a printing loop around your command so that it acts on each
line of standard input. Used mostly so Perl can beat the
pants off awk ...