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Computed / calculated / virtual / derived columns in PostgreSQL
...column that is always computed from other columns. Thus, it is for columns what a view is for tables.
CREATE TABLE people (
...,
height_cm numeric,
height_in numeric GENERATED ALWAYS AS (height_cm * 2.54) STORED
);
db<>fiddle demo
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How to identify platform/compiler from preprocessor macros?
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@0x7fffffff: What possible benefit to anyone would there be in duplicating the content of the other answers into this one? If you believe it's really important to have a single definitive answer, then perhaps you should create such an ans...
How can I launch multiple instances of MonoDevelop on the Mac?
...utions are all opened in the same monodevelop window... this is not at all what I expected from using VS/MD on Windows. Apparently we have to resort to the methods below to get separate windows for separate solutions..
– David Jeske
Sep 12 '12 at 17:57
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In java how to get substring from a string till a character c?
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@Umer Hayat What if the filename is def.hij.klm? How would your code work then? (Your code only works for this one example - you might as well write a function that returns "abc" - it would work just as well)
– Bohe...
Difference between Fact table and Dimension table?
...place in some cases.
More details:
Fact and dimension tables appear in a what is commonly known as a Star Schema. A primary purpose of star schema is to simplify a complex normalized set of tables and consolidate data (possibly from different systems) into one database structure that can be querie...
Interop type cannot be embedded
...bly so that you don't need to deploy them alongside your application.
For whatever reason, this assembly can't be embedded - but it sounds like that's not a problem for you. Just open the Properties tab for the assembly in Visual Studio 2010 and set "Embed Interop Types" to "False".
EDIT: See also...
Handle file download from ajax post
...pe of application/download - just search for how to provide a download for whatever language you're using.
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How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
... Decorator, Adapter, and Bridge patterns. Am I misunderstanding something? What's the difference? Why would I use the Proxy pattern versus the others? How have you used them in the past in real world projects?
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Install tkinter for Python
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What setup.py file are you referring to? Where can I find that one? I'm lost there.
– David Merinos
Jun 30 '15 at 2:04
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How to find out what group a given user has?
In Unix/Linux, how do you find out what group a given user is in via command line?
5 Answers
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