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Rails 4: List of available datatypes
...or ActiveRecord::ConnectionAdapters::PostgreSQL::ColumnMethods. Highlights include money, json, xml, daterange
– Eliot Sykes
Aug 21 '15 at 15:09
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How to render an ASP.NET MVC view as a string?
... view renderer can not only render partial views, but also the entire view including the Layout. Blog article with code: weblog.west-wind.com/posts/2012/May/30/…
– Jeroen K
Aug 6 '15 at 15:01
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How can a Java program get its own process ID?
...meMXBean().getName() looks like the best (closest) solution, and typically includes the PID. It's short, and probably works in every implementation in wide use.
On linux+windows it returns a value like 12345@hostname (12345 being the process id). Beware though that according to the docs, there are n...
Attach parameter to button.addTarget action in Swift
...xhaustible number of key/string params into the button.. Really useful for including things like urls, confirm message methodology etc
As an aside, it's important that the SO community realise this there is an entire generation of bad practice being cut'n'paste round the internet by an alarming num...
Android Fragment onClick button Method
...wn layout and
its own behavior with its own lifecycle callbacks, you can include one
fragment in multiple activities, so you should design for reuse and
avoid directly manipulating one fragment from another fragment.
A possible workaround would be to do something like this in your MainActivi...
postgresql return 0 if returned value is null
...ded to provide shorter and more generic examples to the question - without including all the case-specific details in the original question).
There are two distinct "problems" here, the first is if a table or subquery has no rows, the second is if there are NULL values in the query.
For all vers...
AngularJS ng-if with multiple conditions
...nable submit button only if all fields are filled. In this case, I have to include so many conditions. This is little bit confusing. Is there any other feasible solution?
– Mr_Perfect
Dec 2 '16 at 5:14
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Python logging not outputting anything
...s that it will ignore any logging with a level that is lower than warning, including debug loggings.
This is explained in the tutorial:
import logging
logging.warning('Watch out!') # will print a message to the console
logging.info('I told you so') # will not print anything
The 'info' line doesn...
What are the rules for calling the superclass constructor?
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Thanks for including the try/catch syntax for the initializers. I've been using C++ for 10 years, and this is the first time I've ever seen that.
– jakar
Jun 8 '12 at 17:23
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Elegant solution to duplicate, const and non-const, getters? [duplicate]
... become another symbol that would be visible in all translation units that include the header file, and it would also have to be handled by the linker, which would in turn increase the linking time a little bit. I guess there is always some catch, huh? :)
– HelloGoodbye
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