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What is the PostgreSQL equivalent for ISNULL()
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SELECT CASE WHEN field IS NULL THEN 'Empty' ELSE field END AS field_alias
Or more idiomatic:
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css overflow - only 1 line of text
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edited May 23 '17 at 12:02
Community♦
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answered Sep 25 '11 at 15:32
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Why is arr = [] faster than arr = new Array?
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answered Sep 10 '11 at 23:51
Roger PoonRoger Poon
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How can I convert a string to upper- or lower-case with XSLT?
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In XSLT 1.0 the upper-case() and lower-case() functions are not available.
If you're using a 1.0 stylesheet the common method of case conversion is translate():
<xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'"...
remove all variables except functions
...hat is a period?
– RockScience
Nov 30 '11 at 4:18
1
Sure. A period (in American English) is anoth...
split string in to 2 based on last occurrence of a separator
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Use rpartition(s). It does exactly that.
You can also use rsplit(s, 1).
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Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
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edited Nov 10 '11 at 9:11
answered Sep 29 '10 at 0:58
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How do Trigonometric functions work?
... a standard interval. For starters, you could reduce angles to be between 0 and 360 degrees. But by using a few identities, you realize you could get by with less. If you calculate sines and cosines for angles between 0 and 45 degrees, you can bootstrap your way to calculating all trig functions f...
How to write binary data to stdout in python 3?
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answered May 26 '09 at 0:09
Benjamin PetersonBenjamin Peterson
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Using System.Dynamic in Roslyn
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answered Apr 4 '14 at 14:04
AlbertoAlberto
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