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No appenders could be found for logger(log4j)?
...leAppender
log4j.appender.R.File=example.log
log4j.appender.R.MaxFileSize=100KB
# Keep one backup file
log4j.appender.R.MaxBackupIndex=1
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%p %t %c - %m%n
Apache Solr
If using Solr, copy <solr>/...
Java “lambda expressions not supported at this language level”
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answered May 29 '15 at 6:12
user2682809user2682809
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Rounding up to next power of 2
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edited May 30 '18 at 17:12
Toby Speight
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answ...
Is there an easy way to request a URL in python and NOT follow redirects?
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MarianMarian
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sqlalchemy unique across multiple columns
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answered Apr 8 '12 at 7:26
vanvan
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How to achieve function overloading in C?
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129
There are few possibilities:
printf style functions (type as an argument)
opengl style funct...
How do I find where an exception was thrown in C++?
...]: (6) ./test(foo1__Fv+0xb) [0x8049057]
[bt]: (7) ./test(main+0xc1) [0x8049121]
[bt]: (8) ./test(__libc_start_main+0x95) [0x42017589]
[bt]: (9) ./test(__eh_alloc+0x3d) [0x8048b21]
signal 6 (Aborted), address is 0x1239 from 0x42029331
crit_err_hdlr backtrace returned 13 frames
[bt]: (1) ./test(kill...
When correctly use Task.Run and when just async-await
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Don't block the UI thread for more than 50ms at a time.
You can schedule ~100 continuations on the UI thread per second; 1000 is too much.
There are two techniques you should use:
1) Use ConfigureAwait(false) when you can.
E.g., await MyAsync().ConfigureAwait(false); instead of await MyAsync();...
Sphinx autodoc is not automatic enough
...nmanageable output.
– slacy
Apr 27 '12 at 20:35
4
self answering: add .. include:: modules.rst to...
Are PHP include paths relative to the file or the calling code?
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PekkaPekka
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