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emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
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101
There is no difference:
(eq 'my-add #'my-add)
yields t
The # can be used in front of a lamb...
How to delete a record in Django models?
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answered Sep 27 '10 at 16:51
WolphWolph
66.6k99 gold badges120120 silver badges141141 bronze badges
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Ruby max integer
...ts (integers small enough to store in a single machine word), you can call 0.size to get the number of bytes. I would guess it should be 4 on 32-bit builds, but I can't test that right now. Also, the largest Fixnum is apparently 2**30 - 1 (or 2**62 - 1), because one bit is used to mark it as an inte...
Changing names of parameterized tests
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302
This feature has made it into JUnit 4.11.
To use change the name of parameterized tests, you s...
Adding a regression line on a ggplot
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Johannes Stötzer
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answered Mar 27 '13 at 8:43
Didzis ElfertsDidzis Elferts
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mongodb/mongoose findMany - find all documents with IDs listed in array
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505
The find function in mongoose is a full query to mongoDB. This means you can use the handy mon...
Android - Set fragment id
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jenzz
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answered Jan 26 '13 at 18:19
user2014118user201...
Alter column, add default constraint
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answered Jan 19 '10 at 17:07
SQLMenaceSQLMenace
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Order data frame rows according to vector with specific order
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answered Aug 15 '12 at 21:03
EdwardEdward
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
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