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What's the standard way to work with dates and times in Scala? Should I use Java types or there are
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From Java SE 8 onwards, users are asked to migrate to java.time (JSR-310). There are efforts on creating scala libraries wrapping java.time for scala such as scala-time. If targeting lower than SE 8 use one of the below. Als...
What's the difference between xsd:include and xsd:import?
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Use xsd:include to bring in an XSD from the same or no namespace.
Use xsd:import to bring in an XSD from a different namespace.
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How to easily map c++ enums to strings
...:key_type const&, typename T::value_type const&). (Returning *this from operator() allows the chaining of operator(), like operator<< on std::ostreams)
template<typename T> struct map_init_helper
{
T& data;
map_init_helper(T& d) : data(d) {}
map_init_helper&a...
Internet Explorer's CSS rules limits
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Referring the following from Microsoft:
Stylesheet Limits in Internet Explorer
KB - A webpage that uses CSS styles does not render correctly in Internet Explorer
The rules for IE9 are:
A sheet may contain up to 4095 selectors (Demo)
A sheet ma...
method of iterating over sqlalchemy model's defined columns?
...tely not desirable.
But it is actually much easier because if you inherit from Base, you have a __table__ attribute, so that you can do:
for c in JobStatus.__table__.columns:
print c
for c in JobStatus.__table__.foreign_keys:
print c
See How to discover table properties from SQLAlchemy ...
Configuring Log4j Loggers Programmatically
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Logger.getLogger("com.fizz").addAppender(newAppender)
then logging from fizz will be handled by alle the appenders from the root logger and the newAppender.
You don't create Loggers with the configuration, you just provide handlers for all possible categories in your system.
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'printf' vs. 'cout' in C++
...rintf is C (however, you can use it in C++, just like almost anything else from C). Now, I'll be honest here; both printf and std::cout have their advantages.
Real differences
Extensibility
std::cout is extensible. I know that people will say that printf is extensible too, but such extension is n...
What does yield mean in PHP?
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What is yield?
The yield keyword returns data from a generator function:
The heart of a generator function is the yield keyword. In its simplest form, a yield statement looks much like a return statement, except that instead of stopping execution of the function and ...
Scala downwards or decreasing for loop?
... until that you can use in place of to to exclude the right-hand end-point from the range. The left-hand endpoint is always included.
– Randall Schulz
Apr 13 '10 at 14:26
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Calculating days between two dates with Java
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UPDATE: The original answer from 2013 is now outdated because some of the classes have been replaced. The new way of doing this is using the new java.time classes.
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd MM yyyy");
String inputString1 =...