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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 I clone a generic list in C#?
...n! By the way I prefer public static List<T> CLone<T>... It is more useful in the cases like this, because no further cast needed: List<MyType> cloned = listToClone.Clone();
– Plutoz
May 15 '15 at 7:02
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Convert a number range to another range, maintaining ratio
...- OldMin) * (NewMax - NewMin)) / (OldMax - OldMin)) + NewMin
Or a little more readable:
OldRange = (OldMax - OldMin)
NewRange = (NewMax - NewMin)
NewValue = (((OldValue - OldMin) * NewRange) / OldRange) + NewMin
Or if you want to protect for the case where the old range is 0 (OldMin = Old...
How to disable Crashlytics during development
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How are people unit testing with Entity Framework 6, should you bother?
...e no additional database calls (one setup, one teardown)
The tests are far more granular, each test verifies one property
Setup/TearDown logic is removed from the Test methods themselves
I feel this makes the test class simpler and the tests more granular (single asserts are good)
Edit 5/3/2015
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
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I think Enumerable.Empty<T> is better because it is more explicit: your code clearly indicates your intentions. It might also be a bit more efficient, but that's only a secondary advantage.
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How do I get bit-by-bit data from an integer value in C?
... shift the masked value to get just the bit we want. We could write it out more fully as:
int mask = 1 << k;
int masked_n = n & mask;
int thebit = masked_n >> k;
You can read more about bit-masking here.
Here is a program:
#include <stdio.h>
#include <stdl...
How do I script a “yes” response for installing programs?
...t? I tried with glance from OpenStack and this not work, I think Expect is more precise for all circumstances
– HVNSweeting
Nov 1 '12 at 8:53
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How do I “Add Existing Item” an entire directory structure in Visual Studio?
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Is there an upside down caret character?
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