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Cannot change column used in a foreign key constraint
...S person (person_id);
UNLOCK TABLES;
EDIT:
Added locks above, thanks to comments
You have to disallow writing to the database while you do this,
otherwise you risk data integrity problems.
I've added a write lock above
All writing queries in any other session than your own ( INSERT, UPDA...
What is a memory fence?
...ect. For example a 'full fence' means all read/writes before the fence are comitted before those after the fence.
Note memory fences are a hardware concept. In higher level languages we are used to dealing with mutexes and semaphores - these may well be implemented using memory fences at the low le...
What do the return values of node.js process.memoryUsage() stand for?
...e of the Heap
heapUsed: Heap actually Used
Ref: http://apmblog.dynatrace.com/2015/11/04/understanding-garbage-collection-and-hunting-memory-leaks-in-node-js/
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What are the differences between LDAP and Active Directory?
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Xcode — what is $(SRCROOT)?
... project that uses some libraries. The project was created on a different computer, so I need to update some paths. The library search paths all start with $(SRCROOT) . What does that mean?
...
Preferred order of writing latitude & longitude tuples in GIS services
...ance one can offer is to be fully aware of the expected axis order of each component in your software stack. PostGIS expects lng/lat. WFS 1.0 uses lng/lat, but WFS 1.3.0 defers to the standard and uses lat/lng. GeoTools defaults to lat/lng but can be overridden with a system property.
The GeoTools ...
How to get the last element of a slice?
... similar philosophical vein. See this discussion and others: groups.google.com/forum/#!topic/golang-nuts/yn9Q6HhgWi0
– Toni Cárdenas
Mar 20 '14 at 15:27
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How to set response filename without forcing “save as” dialog
... A few notes also covered by various discussions over at stackoverflow.com/questions/93551/… - if you have spaces in your filename, you need to have double quotes (") around your filename. If you have non-ASCII characters in your filename, you should see that other question for a discussion of...
Capture Stored Procedure print output in .NET
...also want the rows affected count then you need a handler for the StatementCompleted event on the SqlCommand.
– Nicholas
Jan 25 '14 at 9:40
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jQuery clone() not cloning event bindings, even with on()
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