大约有 47,000 项符合查询结果（耗时：0.0455秒） [XML]
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
.... In the context of Java, it happens when the application attempts to open more ResultSets than there are configured cursors on a database instance.
Common causes are:
Configuration mistake
You have more threads in your application querying the database than cursors on the DB. One case is where...
How do you add an in-app purchase to an iOS application?
...send a physical item to the user, or give them something that they can buy more than once, you would choose consumable.
For the reference name, put whatever you want (but make sure you know what it is)
For product id put tld.websitename.appname.referencename this will work the best, so for example, ...
Best way to serialize an NSData into a hexadeximal string
...
Nice, but two suggestions: (1) I think appendFormat is more efficient for large data since it avoids creating an intermediate NSString and (2) %x represents an unsigned int rather than unsigned long, although the difference is harmless.
– svachalek
...
git cherry-pick says “…38c74d is a merge but no -m option was given”
...rent), and applying it to your current branch.
So, if a commit has two or more parents, it also represents two or more diffs - which one should be applied?
You're trying to cherry pick fd9f578, which was a merge with two parents. So you need to tell the cherry-pick command which one against which ...
Are GUID collisions possible?
...
Actually that isn't true any more. It was true for v1 GUIDs, but not for the current v4 ones. See en.wikipedia.org/wiki/Globally_Unique_Identifier#Algorithm for more info.
– Greg Beech
Oct 8 '08 at 23:10
...
How to calculate age (in years) based on Date of Birth and getDate()
... 18 17
(1 row(s) affected)
UPDATE here are some more accurate methods:
BEST METHOD FOR YEARS IN INT
DECLARE @Now datetime, @Dob datetime
SELECT @Now='1990-05-05', @Dob='1980-05-05' --results in 10
--SELECT @Now='1990-05-04', @Dob='1980-05-05' --results in 9
--SELEC...
Does “untyped” also mean “dynamically typed” in the academic CS world?
...ntradicted what I thought to be true so I started digging to try and learn more.
9 Answers
...
Google maps API V3 - multiple markers on exact same spot
...google map. All is working well except in the instance when I have two or more markers on the exact same spot. The API only displays 1 marker - the top one. This is fair enough I suppose but would like to find a way to display them all somehow.
...
What is the difference between #import and #include in Objective-C?
...
|
show 8 more comments
360
...
Check for column name in a SqlDataReader object
...
|
show 7 more comments
66
...