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Logback to log different messages to two files
...ts) I want to have two logger instances which each log to a separate file; one for analytics and one for all purpose logging. Does anyone know if this is possible with Logback, or any other logger for that matter?
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Best practices for storing postal addresses in a database (RDBMS)?
...and lots of pros and cons to each to be evaluated -- surely this has been done time and time again? Maybe someone has at least written done some lessons learned somewhere?
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Do AJAX requests retain PHP Session info?
...most comment there) is a separate question, let's now stick to the current one, with just one side-note: the most prominent issue with URL-based sessions -- the blatant visibility of the naked session ID -- is not an issue with internal Ajax calls; but then, if it's turned on for Ajax, it's turned o...
How do you express binary literals in Python?
...ary format with a 0 followed by a B or b followed by a series of zeros and ones, for example:
>>> 0b0010101010
170
>>> 0B010101
21
From the Python 3 docs, these are the ways of providing integer literals in Python:
Integer literals are described by the following lexical defi...
When to use a View instead of a Table?
... store the "view" temporarily in another table for faster access. This is done to speed up read access when the view is complex. But that doesn't help you in your case because a materialized view is still a view, not data on its own. Your approach is probably OK.
– Lukas Eder
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Why does this Java code compile?
...le name of any static variable declared in or inherited by the class, even one whose declaration occurs textually later.
Use of instance variables whose declarations appear textually after the use is sometimes restricted, even though these instance variables are in scope. See §8.3.2.3 for the prec...
In which language are the Java compiler and JVM written?
... "the JVM" or "the compiler" as there are multiple JVM vendors (jrockit is one, IBM another) and multiple compilers out there.
The Sun JVM is written in C, although this need not be the case - the JVM as it runs on your machine is a platform-dependent executable and hence could have been original...
How to create a directory if it doesn't exist using Node.js?
...tice but probably won't cause any performance issue, but its a bad habbit none-the-less. Only use for booting your app or otherwise one time operations.
– tsturzl
Aug 14 '15 at 0:53
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General suggestions for debugging in R
...function you would find useful to have run.
And another two methods from one of @Shane's links:
Wrap an inner function call with try() to return more information on it.
For *apply functions, use .inform=TRUE (from the plyr package) as an option to the apply command
@JoshuaUlrich also pointed o...
Difference between add(), replace(), and addToBackStack()
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Can a fragment container contains more than one fragment, If yes than how replace() method will behave. WIll it replace all the frgaments in that container or android api have a method that accept three arguments, i.e. frgamentContainer, new fragment and with whom to r...