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What are '$$' used for in PL/pgSQL
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The dollar signs are used for dollar quoting and are in no way specific to function definition...
Is there an equivalent to 'continue' in a Parallel.ForEach?
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3 Answers
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Ruby Arrays: select(), collect(), and map()
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3 Answers
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Associativity of “in” in Python?
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1 in [] in 'a' is evaluated as (1 in []) and ([] in 'a').
Since the first condition (1 in []) ...
Why is SELECT * considered harmful?
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There are really three major reasons:
Inefficiency in moving data to the consumer. When you...
Curly braces in string in PHP
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echo "This works: {$arr['key']}";
// Works
echo "This works: {$arr[4][3]}";
// This is wrong for the same reason as $foo[bar] is wrong outside a string.
// In other words, it will still work, but only because PHP first looks for a
// constant named foo; an error of level E_NOTICE (undefined c...
Which HTML5 tag should I use to mark up an author’s name?
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edited Jun 24 '13 at 20:31
answered Sep 3 '11 at 18:28
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How to create own dynamic type or dynamic object in C#?
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answered Oct 3 '12 at 13:21
Mario SannumMario Sannum
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awk without printing newline
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awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print will insert a newline by default. You dont want that to happen, hence use printf instead.
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