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Why can't decimal numbers be represented exactly in binary?
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364
Decimal numbers can be represented exactly, if you have enough space - just not by floating bi...
Swift: Pass array by reference?
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edited Nov 15 '17 at 21:23
iwasrobbed
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ans...
What is this CSS selector? [class*=“span”]
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336
It's an attribute wildcard selector. In the sample you've given, it looks for any child elemen...
Best way to do multi-row insert in Oracle?
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This works in Oracle:
insert into pager (PAG_ID,PAG_PARENT,PAG_NAME,PAG_ACTIVE)
selec...
Understanding recursion [closed]
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How do you empty a vase containing five flowers?
Answer: if the vase is not empty, you take out...
jQuery hide element while preserving its space in page layout
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edited Mar 2 '12 at 3:13
Wesley Murch
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Mercurial (hg) commit only certain files
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3 Answers
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Active
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How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
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Kariem
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answered Sep 20 '11 at 7:07
seanfseanf
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Why does this code using random strings print “hello world”?
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answered Mar 3 '13 at 4:40
FThompsonFThompson
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Converting an array of objects to ActiveRecord::Relation
...al data.
However, if what you want is a relation then:
for ActiveRecord 3.x, don’t call all and instead call scoped, which will give back a Relation which represents the same records that all would give you in an Array.
for ActiveRecord 4.x, simply call all, which returns a Relation.
When ...