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How can I brew link a specific version?
...w switch <formula> <version>
Example:
brew switch mysql 5.5.29
You can find the versions installed on your system with info.
brew info mysql
And to see the available versions to install, you can provide a dud version number, as brew will helpfully respond with the available versi...
Abort makefile if variable not set
...
279
TL;DR: Use the error function:
ifndef MY_FLAG
$(error MY_FLAG is not set)
endif
Note that ...
What does the “===” operator do in Ruby? [duplicate]
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273
Just like with every other method in Ruby (or actually pretty much any object-oriented languag...
Javascript: Round up to the next multiple of 5
I need a utility function that takes in an integer value (ranging from 2 to 5 digits in length) that rounds up to the next multiple of 5 instead of the nearest multiple of 5. Here is what I got:
...
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...
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...
'Incomplete final line' warning when trying to read a .csv file into R
... |
edited Jan 13 '12 at 19:52
eykanal
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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...
JavaScript loop through json array?
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228
Your JSON should look like this:
var json = [{
"id" : "1",
"msg" : "hi",
"tid"...