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How to get the build/version number of your Android application?
... If you only want to get the application's version this is two compicated. You should use BuildConfig.VERSION_** as suggested here.
– Timo Bähr
Jun 20 '16 at 12:23
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In which case do you use the JPA @JoinTable annotation?
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EDIT 2017-04-29: As pointed to by some of the commenters, the JoinTable example does not need the mappedBy annotation attribute. In fact, recent versions of Hibernate refuse to start up by printing the following error:
org.hibernate.AnnotationException:
Associations...
What algorithm gives suggestions in a spell checker?
...at algorithm is typically used when implementing a spell checker that is accompanied with word suggestions?
5 Answers
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What is a sealed trait?
...lternative to enums. Since they can be only extended in a single file, the compiler knows every possible subtypes and can reason about it.
For instance with the declaration:
sealed trait Answer
case object Yes extends Answer
case object No extends Answer
The compiler will emit a warning if a mat...
E731 do not assign a lambda expression, use a def
...p8 warning whenever I use lambda expressions. Are lambda expressions not recommended? If not why?
4 Answers
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Why can't the C# constructor infer type?
...nt generic arity is the better constructor. In order to maintain backwards compatibility a ctor on a non-generic type must always win.
Is there a practical reason why the constructor can't support type inference?
Yes. Even if the benefit of the feature outweighs its costs -- which are consider...
How to overcome TypeError: unhashable type: 'list'
... the spaces, assigning them to the variables
# Once you get a bit more comfortable, this works as well:
# key, value = [x.strip() for x in line]
key = line[0].strip()
value = line[1].strip()
# Now we check if the dictionary contains the key; if so, append the new value,
# an...
boost::flat_map and its performance compared to map and unordered_map
It is common knowledge in programming that memory locality improves performance a lot due to cache hits. I recently found out about boost::flat_map which is a vector based implementation of a map. It doesn't seem to be nearly as popular as your typical map / unordered_map so I haven't been able ...
How can I wrap or break long text/word in a fixed width span?
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How to master AngularJS? [closed]
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This is the most comprehensive AngularJS learning resource repository I've come across:
AngularJS-Learning
To pluck out the best parts (in recommended order of learning):
http://www.egghead.io/ - Series of short, to the point AngularJS vi...