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Apache Spark: The number of cores vs. the number of executors
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yarn.nodemanager.resource.cpu-vcores, should probably be set to 63 *
1024 = 64512 (megabytes) and 15 respectively. We avoid allocating 100%
of the resources to YARN containers because the node needs some
resources to run the OS and Hadoop daemons. In this case, we leave a
gigabyte and a core for...
Check to see if a string is serialized?
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edited Sep 2 '09 at 20:39
answered Sep 2 '09 at 20:31
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What is the difference between JavaConverters and JavaConversions in Scala?
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EDIT: Java Conversions got @deprecated in Scala 2.13.0. Use scala.jdk.CollectionConverters ins...
TypeError: module.__init__() takes at most 2 arguments (3 given)
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242
Your error is happening because Object is a module, not a class. So your inheritance is screwy...
CSS: background image on background color
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291
You need to use the full property name for each:
background-color: #6DB3F2;
background-image:...
What does the “===” operator do in Ruby? [duplicate]
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Just like with every other method in Ruby (or actually pretty much any object-oriented languag...
Switch statement for greater-than/less-than
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1.0 time 37ms 73ms 68ms 184ms 73ms 21ms
if-immediate 1.0 1.0 1.0 2.6 1.0 1.0
if-indirect 1.2 1.8 3.3 3.8 2.6 1.0
switch-immediate 2.0 1.1 2.0 1.0 2.8 1.3
switch-range ...
Changes in import statement python3
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Relative import happens whenever you are importing a package relative to the current script/pa...
How to use the ProGuard in Android Studio?
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edited Jan 2 '14 at 18:14
answered Jan 2 '14 at 17:37
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