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How to do an INNER JOIN on multiple columns
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edited Mar 2 '10 at 21:39
answered Mar 2 '10 at 21:15
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How to see the CREATE VIEW code for a view in PostgreSQL?
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answered Mar 14 '13 at 22:02
EoghanMEoghanM
18.2k2020 gold badges7878 silver badges108108 bronze badges
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Remove duplicate lines without sorting [duplicate]
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The UNIX Bash Scripting blog suggests:
awk '!x[$0]++'
This command is telling awk which lines to print. The variable $0 holds the entire contents of a line and square brackets are array access. So, for each line of the file, the node of the array x is incremented and the...
How to Update Multiple Array Elements in mongodb
...ER-1243
As a work around you can:
Update each item individually
(events.0.handled events.1.handled
...) or...
Read the document, do the edits
manually and save it replacing the
older one (check "Update if
Current" if you want to ensure
atomic updates)
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How do you work with an array of jQuery Deferreds?
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crispyduckcrispyduck
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WaitAll vs WhenAll
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answered May 25 '11 at 11:03
Jon SkeetJon Skeet
1210k772772 gold badges85588558 silver badges88218821 bronze badges
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python: how to identify if a variable is an array or a scalar
...e argument NBins . I want to make a call to this function with a scalar 50 or an array [0, 10, 20, 30] . How can I identify within the function, what the length of NBins is? or said differently, if it is a scalar or a vector?
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Git update submodules recursively
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– William Entriken
Sep 26 '13 at 13:30
3
@Irineau The note about already-initialized submodules no...
How to reset (clear) form through JavaScript?
...ment method (not one on the jQuery object), so you need:
$("#client.frm")[0].reset();
//faster version:
$("#client")[0].reset();
Or without jQuery:
document.getElementById("client").reset();
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What's the difference between using INDEX vs KEY in MySQL?
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270
There's no difference. They are synonyms.
From the CREATE TABLE manual entry:
KEY is normal...