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No appenders could be found for logger(log4j)?
...ties (taken from the above mentioned guide) file to your classpath:
# Set root logger level to DEBUG and its only appender to A1.
log4j.rootLogger=DEBUG, A1
# A1 is set to be a ConsoleAppender.
log4j.appender.A1=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.A1.layout=or...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...ed for the validation set should be
inversely proportional to the square root of the number of free
adjustable parameters.
In their conclusion they specify a formula:
Validation set (v) to training set (t) size ratio, v/t, scales like
ln(N/h-max), where N is the number of families of rec...
Adding days to $Date in PHP
I have a date returned as part of a mySQL query in the form 2010-09-17
9 Answers
9
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Have nginx access_log and error_log log to STDOUT and STDERR of master process
...side a docker you may get permission denied if your process doesn't run as root in the container. There's a fix coming for this in the next version.
– Dobes Vandermeer
Oct 23 '15 at 19:37
...
What are namespaces?
...oller.php which is in the path:
app/Http/Controllers from the project’s root directory
There is also another controller class named: Controller.php, but this one is in the path:
vendor/laravel/framework/src/Illuminate/Routing from the project’s root directory
You don’t need to look at the s...
How to remove the hash from window.location (URL) with JavaScript without page refresh?
...rds @vahanpwns note, to use . instead of /. Using / changes the url to the root path.
– Isaac Gregson
Jun 26 '15 at 7:05
5
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Can you add new statements to Python's syntax?
...e on, references to files in the Python source are given relatively to the root of the source tree, which is the directory where you run configure and make to build Python.
Two modifications have to be made to the grammar file. The first is to add a definition for the until statement. I found where...
Lightweight SQL editor for Eclipse [closed]
...ditor. Search for 'toad' in eclipse market place. It has very good Oracle, MySQL and PostgreSQL support.
Take a look at Installation instructions and screenshots.
Alternatively, there is DBeaver (very good in my experience and support almost all DB's) which is built on eclipse platform and availab...
How do I create a comma-separated list from an array in PHP?
...a in the array before making it into a string; For example, addslashes, or mysql_real_escape_string.
– Naphtali Gilead
Aug 21 '15 at 15:48
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DESTDIR and PREFIX of make
...ersion installed already and not want to disturb it, or he may not even be root. So he uses
./configure --prefix=/usr
so the program will expect to be installed in /usr when it runs, then
make install DESTDIR=debian/tmp
to actually create the directory structure.
make install prefix=***
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