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Apache Spark: The number of cores vs. the number of executors
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8 Answers
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Reformat XML in Visual Studio 2010
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Julien HoarauJulien Hoarau
44.7k1818 gold badges120120 silver badges114114 bronze badges
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Escape a dollar sign in string interpolation
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180
Just double it
scala> val name = "foo"
name: String = foo
scala> s"my.package.$name$$"
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Npm install failed with “cannot run in wd”
...get my node environment set up on a new Ubuntu 12.04 instance, with Node 0.8.14 already installed, but I ran into problems when I try to run npm install .
So when I try npm install , it says that I need to run it as root or adminisrator:
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What is the format specifier for unsigned short int?
...ing the "%h" modifier:
scanf("%hu", &length);
^
ISO/IEC 9899:201x - 7.21.6.1-7
Specifies that a following d , i , o , u , x , X , or n conversion
specifier applies to an argument with type pointer to short or
unsigned short.
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Reload django object from database
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As of Django 1.8 refreshing objects is built in. Link to docs.
def test_update_result(self):
obj = MyModel.objects.create(val=1)
MyModel.objects.filter(pk=obj.pk).update(val=F('val') + 1)
# At this point obj.val is still 1, but...
AddBusinessDays and GetBusinessDays
...ays to be selected.
– Ristogod
May 28 '14 at 17:37
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Looking for a clear definition of what a “tokenizer”, “parser” and...
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edited Dec 19 '08 at 9:30
answered Dec 19 '08 at 9:25
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When to use ko.utils.unwrapObservable?
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answered Mar 8 '12 at 20:46
RP NiemeyerRP Niemeyer
113k1717 gold badges284284 silver badges210210 bronze badges
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npm command to uninstall or prune unused packages in Node.js
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answered Jan 28 '14 at 21:20
DarkhoggDarkhogg
11.7k44 gold badges2020 silver badges2424 bronze badges
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