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No appenders could be found for logger(log4j)?
...ate to the folder that contains your log4j.properties file
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The error message should no longer appear.
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Python Pandas merge only certain columns
...ng this to merge column 'Unique_External_Users' from df2 to df1 but got an error ... "None of [Index(['U', 'n', 'i', 'q', 'u', 'e', '', 'E', 'x', 't', 'e', 'r', 'n', 'a',\n 'l', '', 'U', 's', 'e', 'r', 's'],\n dtype='object')] are in the [columns]" .
– CoolDocMan
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Bash if [ false ] ; returns true
...lpful but in ubuntu 18.04 $0 was "-bash" and the basename command threw an error. Changing that test to [[ "$0" =~ "bash" ]] made the script work for me.
– WiringHarness
Nov 22 '19 at 12:37
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The thread has exited with code 0 (0x0) with no unhandled exception
...t of .net framework threads. Maybe the application has various programming errors in multithreading implementation. Is it possible?
– Gionata
Sep 14 '12 at 8:37
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How to 'minify' Javascript code
...98, i can read the code and in my experience i have less code to check for errors.And about the speed.. mh, your wrong. Performance increases using bitwise/and shorthand in complex functions is insane.expecially testing on various devices/browsers.use google shorthandbitwise javascript and you find ...
How to shrink/purge ibdata1 file in MySQL
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Now this causes the error InnoDB: File ./ibdata1: 'open' returned OS error 71. Cannot continue operation, so cannot restart the server!
– Parfait
Oct 20 '18 at 22:36
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Android: When is onCreateOptionsMenu called during Activity lifecycle?
... Its not perfect solution becuase I am still getting nullpoint exception error after adding invalidateOptionsMenu in onResume.
– Pooja
Aug 26 at 10:01
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Including all the jars in a directory within the Java classpath
...y quotes and it works fine. I'm wondering why shell isn't expanding it and erroring out?
– yellavon
Mar 3 '14 at 14:01
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Android: Create spinner programmatically from array
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I tried that but the error just changes slightly :) Type safety: The expression of type ArrayAdapter needs unchecked conversion to conform to ArrayAdapter<String>
– Select0r
May 6 '10 at 20:42
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git-checkout older revision of a file under a new name
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Hmm, with colon I see this error, so I thought that the colon was a mistake. Yes it seems like colon is the way to go, but how do I resolve this? prompt> git show HEAD^:main.cpp fatal: ambiguous argument 'HEAD^:main.cpp': unknown revision or path n...