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Why does Haskell's “do nothing” function, id, consume tons of memory?
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1 Answer
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Can I 'git commit' a file and ignore its content changes?
... do a pull, it will say:
$ git pull
…
From https://github.com/x/y
72a914a..106a261 master -> origin/master
Updating 72a914a..106a261
error: Your local changes to the following files would be overwritten by merge:
filename.ext
and will refuse to merge.
At that point, y...
How to delete/create databases in Neo4j?
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12 Answers
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Using DNS to redirect to another URL with a path [closed]
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15 Answers
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How to jump to a specific character in vim?
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answered Feb 22 '12 at 20:46
Lars KotthoffLars Kotthoff
98.3k1313 gold badges176176 silver badges180180 bronze badges
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What is “:-!!” in C code?
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1711
This is, in effect, a way to check whether the expression e can be evaluated to be 0, and if ...
How to force JS to do math instead of putting two strings together
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How do I PHP-unserialize a jQuery-serialized form?
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14 Answers
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Why is the shovel operator (
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Proof:
a = 'foo'
a.object_id #=> 2154889340
a << 'bar'
a.object_id #=> 2154889340
a += 'quux'
a.object_id #=> 2154742560
So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntact...
Difference between map and collect in Ruby?
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There's no difference, in fact map is implemented in C as rb_ary_collect and enum_collect (eg. t...