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Insert, on duplicate update in PostgreSQL?
... the_table (id, column_1, column_2)
VALUES (1, 'A', 'X'), (2, 'B', 'Y'), (3, 'C', 'Z')
ON CONFLICT (id) DO UPDATE
SET column_1 = excluded.column_1,
column_2 = excluded.column_2;
Searching postgresql's email group archives for "upsert" leads to finding an example of doing what you poss...
Convert a byte array to integer in Java and vice versa
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235
Use the classes found in the java.nio namespace, in particular, the ByteBuffer. It can do all ...
How to check the version of GitLab?
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336
I have updated my server to GitLab 6.6.4 and finally found the way to get version of GitLab re...
What Product Flavor does Android Studio build by default in build.gradle?
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336
On the lower left of the Studio window there's a docked view called "Build Variants".
Open it...
Making an array of integers in iOS
...] = i;
// to get one of them
NSLog (@"The 4th integer is: %d", myIntegers[3]);
Or, you can use an NSArray or NSMutableArray, but here you will need to wrap up each integer inside an NSNumber instance (because NSArray objects are designed to hold class instances).
NSMutableArray *myIntegers = [NS...
How to change line-ending settings
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edited May 26 '18 at 23:50
The Guy with The Hat
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How to save a list as numpy array in python?
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163
First of all, I'd recommend you to go through NumPy's Quickstart tutorial, which will probably ...
JSON.parse vs. eval()
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edited Jun 4 '13 at 18:10
Eonasdan
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an...
What's the difference between a temp table and table variable in SQL Server?
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393
There are a few differences between Temporary Tables (#tmp) and Table Variables (@tmp), althou...