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Update or Insert (multiple rows and columns) from subquery in PostgreSQL
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For the UPDATE
Use:
UPDATE table1
SET col1 = othertable.col2,
col2 = othertable.col3
FROM othertable
WHERE othertable.col1 = 123;
For the INSERT
Use:
INSERT INTO table1 (col1, col2)
SELECT col1, col2
FROM othertable
You don't need the VALUES syntax if you are us...
Simplest way to check if key exists in object using CoffeeScript
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answered Nov 23 '11 at 15:07
Trevor BurnhamTrevor Burnham
73.6k3030 gold badges152152 silver badges193193 bronze badges
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LINQ OrderBy versus ThenBy
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215
You should definitely use ThenBy rather than multiple OrderBy calls.
I would suggest this:
t...
SQL Server equivalent of MySQL's NOW()?
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215
getdate() or getutcdate().
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above
I have installed adt version 22.6.1 already 2 days ago. It was working fine. Suddenly, When I open eclipse today, it keeps showing me following error:
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
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275
Since we're all guessing, I might as well give mine: I've always thought it stood for Python. ...
TypeScript: Creating an empty typed container array
...ete list:
// 1. Explicitly declare the type
var arr: Criminal[] = [];
// 2. Via type assertion
var arr = <Criminal[]>[];
var arr = [] as Criminal[];
// 3. Using the Array constructor
var arr = new Array<Criminal>();
Explicitly specifying the type is the general solution for wheneve...
Passing a Bundle on startActivity()?
...s);
Bundle extras = mIntent.getExtras();
extras.putString(key, value);
2) Create a new Bundle
Intent mIntent = new Intent(this, Example.class);
Bundle mBundle = new Bundle();
mBundle.putString(key, value);
mIntent.putExtras(mBundle);
3) Use the putExtra() shortcut method of the Intent
Intent...
RESTful API methods; HEAD & OPTIONS
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As per: http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
9.2 OPTIONS
The OPTIONS method represents a request for information about the communication options available on the request/response chain identified by the Request-URI. This method allows the client ...
How to vertical align an inline-block in a line of text?
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2 Answers
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