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Apache Spark: The number of cores vs. the number of executors
...and
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...
Abort makefile if variable not set
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279
TL;DR: Use the error function:
ifndef MY_FLAG
$(error MY_FLAG is not set)
endif
Note that ...
How do I force Sublime Text to indent two spaces per tab?
Is there a way to force Sublime Text 2 to always indent two spaces per tab when working with Ruby files?
6 Answers
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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...
How do I create a crontab through a script
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12 Answers
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JSON.stringify output to div in pretty print way
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12 Answers
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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 ...
Remove trailing zeros
...s, if the input IS a string? You can use one of these:
string.Format("{0:G29}", decimal.Parse("2.0044"))
decimal.Parse("2.0044").ToString("G29")
2.0m.ToString("G29")
This should work for all input.
Update Check out the Standard Numeric Formats I've had to explicitly set the precision specifier...
What is the difference between JavaConverters and JavaConversions in Scala?
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257
EDIT: Java Conversions got @deprecated in Scala 2.13.0. Use scala.jdk.CollectionConverters ins...