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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 ...
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...
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
12
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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 ...
JSON.stringify output to div in pretty print way
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12 Answers
12
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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...
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...