To show the heap memory indicator at bottom right corner.
Go to IntelliJ IDEA -> Preferences -> Appearance & Behavior-> Appearance
Check the option 'Show memory indicator'
To increase the heap size memory for IntelliJ IDEA
Go to Help -> Edit Custom VM Options...
First time, this will ask to create Custom VM Options file (idea.vmoptions).
Physical location of idea.vmoptions file is '~/Library/Preferences/IdeaIC2017.2/idea.vmoptions'
$ cat ~/Library/Preferences/IdeaIC2017.2/idea.vmoptions
# custom IntelliJ IDEA VM options
-Xms1024m
-Xmx2048m
-XX:ReservedCodeCacheSize=240m
-XX:+UseCompressedOops
-Dfile.encoding=UTF-8
-XX:+UseConcMarkSweepGC
-XX:SoftRefLRUPolicyMSPerMB=50
-ea
-Dsun.io.useCanonCaches=false
-Djava.net.preferIPv4Stack=true
-XX:+HeapDumpOnOutOfMemoryError
-XX:-OmitStackTraceInFastThrow
-Xverify:none
-XX:ErrorFile=$USER_HOME/java_error_in_idea_%p.log
-XX:HeapDumpPath=$USER_HOME/java_error_in_idea.hprof
-Xbootclasspath/a:../lib/boot.jar
Intellij how to zoom in /out
Intellij Idea > Preferences > Editor > General -> Change font size (Zoom) with Ctrl+Mouse Wheel
Not able to navigate code (when press cmd+b, it says 'cannot find declaration to go to')
1) # mark the src folder to Sources Root
right click in src -> Mark Directory as > Sources Root
2) go to Gradle tab, and click 'Refresh all Gradle projects'
IntelliJ doesn't show any folders in my project view on the left
File > Project Structure > Modules,
there's supposed to be project file present.
If it's empty, do the following:
In File > Project Structure > Modules, click the "+" button, and add the project.
Maven package works but Intellij's build fails and does't create compiled files target folder
mvn idea:idea
Scala Worksheet - When executed, nothing comes up or throws Internal Error: null
In worksheet -> go to setting -> change 'Run type' from REPL to Plain