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Apache Spark: map vs mapPartitions?
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edited Dec 20 '15 at 22:09
Alberto Bonsanto
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Can the :not() pseudo-class have multiple arguments?
... TylerH
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answered Apr 16 '11 at 2:45
Felix KlingFelix Kling
666k15115...
MySQL Query - Records between Today and Last 30 Days
...ant to return all records that were added to the database within the last 30 days. I need to convert the date to mm/dd/yy because of display purposes.
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Hexadecimal To Decimal in Shell Script
... perl:
$ perl -le 'print hex("FF");'
255
with printf :
$ printf "%d\n" 0xFF
255
with python:
$ python -c 'print(int("FF", 16))'
255
with ruby:
$ ruby -e 'p "FF".to_i(16)'
255
with node.js:
$ nodejs <<< "console.log(parseInt('FF', 16))"
255
with rhino:
$ rhino<<EOF
prin...
Visual Studio Wcf Test Client - entering an Int array
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answered Apr 30 '10 at 8:28
Darin DimitrovDarin Dimitrov
930k250250 gold badges31533153 silver badges28432843 bronze badges
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How do I get the name of the active user via the command line in OS X?
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answered Jul 9 '09 at 16:40
kentkent
5,14533 gold badges2424 silver badges3131 bronze badges
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How to get the parents of a merge commit in git?
...es of its parents:
$ git log -1 395f65d
commit 395f65d438b13fb1fded88a330dc06c3b0951046
Merge: 9901923 d28790d
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git outputs parents according to their number: the first (leftmost) hash is for the first parent, and so on.
If all you want is just the hashes, the two equivalent choices are:
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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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what is the preferred way to mutate a React state?
...].
– Sophie Alpert
May 31 '14 at 21:00
2
As much as I appreciate the idea behind immutability hel...