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Iterator invalidation rules
...ct the validity of iterators and references to the container [26.2.6/9]
Unordered Associative Containers
All Unordered Associative Containers: Rehashing invalidates iterators, changes ordering between elements, and changes which buckets elements appear in, but does not invalidate pointers or refer...
Reading CSV files using C#
... column headers (if present), and even apparently variations in the column order (though I've not tested the latter myself). All in all it feels much more "high-level" than TextFieldParser.
– David
Jul 9 '18 at 15:57
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Caveats of select/poll vs. epoll reactors in Twisted
...ding on your hardware, of course, but we're talking about something on the order of 10 or fewer), select can beat epoll in memory usage and runtime speed. Of course, for such small numbers of sockets, both mechanisms are so fast that you don't really care about this difference in the vast majority ...
What are some compelling use cases for dependent method types?
... environment (so the internal code of the function is not dependent on the order of state changes and thus remains declarative in that sense). How to type this in Scala?
The environment class must have an overloaded method which inputs such a function to call, and inputs the hash keys of the argume...
Enum “Inheritance”
... return (T)System.Enum.Parse(typeof(T), c.ToString(), false);
}
}
In order to cross between Base and Consume...
You could also cast the values of the enums as ints, and compare them as ints instead of enum, but that kind of sucks too.
The extension method return should type cast it type T.
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Android - set TextView TextStyle programmatically?
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setTextAppearance() is the answer I was after in order to apply a custom style defined in my XML. Thanks.
– ashario
Apr 8 '18 at 4:26
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Sass combining parent using ampersand (&) with type selectors
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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When do you use map vs flatMap in RxJava?
...t his id when user login in. Obviously I need two requests and they are in order.
Let's begin.
Observable<LoginResponse> login(String email, String password);
Observable<UserInfo> fetchUserInfo(String userId);
Here are two methods, one for login returned Response, and another for ...
How to avoid using Select in Excel VBA
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adding to this brilliant answer that in order to work wit a range you don't need to know its actual size as long as you know the top left ... e.g. rng1(12, 12) will work even though rng1 was set to [A1:A10] only.
– MikeD
Jan 1...
What are the best practices for SQLite on Android?
...ld. You can create multiple subclasses of the one DatabaseManager class in order to have different databases on disk.
Instantiate your subclass and call getDb() to use the SQLiteDatabase class.
Call close() for each subclass you instantiated
The code to copy/paste:
import android.content.Context;...