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Why is Maven downloading the maven-metadata.xml every time?
...ide the plugin element then you've indeed configured it, if so i'am out of ideas... Good luck
– Gab
May 7 '13 at 14:58
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What is the best way to implement nested dictionaries?
...is the best way to implement nested dictionaries in Python?
This is a bad idea, don't do it. Instead, use a regular dictionary and use dict.setdefault where apropos, so when keys are missing under normal usage you get the expected KeyError. If you insist on getting this behavior, here's how to shoo...
What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
...en in the specification does not give more details, so it does not give an idea of the level of complexity.
When not using a second level cache it is usually not a problem to do not have the relationship methods correctly implemented because the instances get discarded at the end of the transaction...
Get real path from URI, Android KitKat new storage access framework [duplicate]
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Yes but the whole idea of the DocumentsProvider is that it abstracts away the underlying data, hence your method is not safe to use, it could be an image in an online service, hence not file uri, hence the method is not safe to use.
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How to make a promise from setTimeout
...is (current Firefox and Chrome; IE11+, presumably Edge; not IE8 or IE9, no idea about IE10):
function later(delay, value) {
return new Promise(function(resolve) {
setTimeout(resolve, delay, value); // Note the order, `delay` before `value`
/* Or for outdated browsers that don't ...
What is the apply function in Scala?
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It comes from the idea that you often want to apply something to an object. The more accurate example is the one of factories. When you have a factory, you want to apply parameter to it to create an object.
Scala guys thought that, as it occu...
CALayer with transparent hole in it
...mplete answers here when my documentation already covers it... however the idea is to keep answers as self-contained as possible. And there are people posting nothing but spam, so I'd rather not be lumped in with them. I assume you're of the same mind, which is why I pointed it out to you. Cheers!
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Set environment variables on Mac OS X Lion
...r "your .profile" or ".bash_profile" etc, this just confuses me. I have no idea where these files are, how to create them if I have to do that, etc, and also why there seem to be so many different ones (why? Do they do different things?)
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Importing CommonCrypto in a Swift framework
...T variable is supposed to allow you platform agnostic paths, but I have no idea how to get to that in Swift.
– danimal
Oct 2 '14 at 0:29
2
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What exactly is Arel in Rails 3.0?
...ment for named_scopes. In fact, ARel is pretty much the realization of the idea that "every query is a named_scope". And, whaddayaknow: both were written by the same guy.
and that it uses objects instead of queries.
No, it uses objects as queries.
why is this better?
Ruby is an object-oriented l...