Haskell Cheat Sheets

http://cheatsheet.codeslower.com/

https://matela.com.br/pub/cheat-sheets/
https://matela.com.br/pub/cheat-sheets/haskell-cs-1.1.pdf

http://www.cheat-sheets.org/saved-copy/Haskell.Haskell_Cheat_Sheet.pdf

https://cheat.readthedocs.io/en/latest/haskell.html

https://gist.github.com/caiorss/a39a48c4966355188f95cb9b0cf94b20

common log4j2/slf4 error by duplication

####<Nov 23, 2018 12:20:05 PM CLST> <Error> <Deployer> <machine1> <WLSSandbox01> <[STANDBY] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1542986405456> <BEA-149231> <Unable to set the activation state to true for the application "foo-bar-qux-rest".
weblogic.application.ModuleException: java.lang.NoClassDefFoundError: org/apache/logging/log4j/util/ReflectionUtil
    at weblogic.application.internal.ExtensibleModuleWrapper.start(ExtensibleModuleWrapper.java:140)
    at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:124)
    at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:216)
    at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:211)
    at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:42)
    at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:73)
    at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:24)



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<Feb 22, 2019 1:14:48,804 PM CLST> <Error> <Console> <BEA-240003> <Administration Console encountered the following error: weblogic.application.ModuleException: java.lang.IncompatibleClassChangeError: Class org.apache.logging.slf4j.Log4jLoggerFactory does not implement the requested interface org.slf4j.ILoggerFactory
    at weblogic.application.internal.ExtensibleModuleWrapper.start(ExtensibleModuleWrapper.java:140)
    at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:124)
    at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:216)
    at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:211)
    at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:42)