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Polymorphism: Why use “List list = new ArrayList” instead of “ArrayList list = new ArrayList”? [dupl
...ase.
For instance, say you were writing a fairly large 3rd party library, and say that you decided to implement the core of your library with a LinkedList. If your library relies heavily on accessing elements in these lists, then eventually you'll find that you've made a poor design decision; you'l...
Appropriate datatype for holding percent values?
...hat ensures that the values never exceed 1.0000 (assuming that is the cap) and never go below 0 (assuming that is the floor). If you are going to store their face value (e.g. 100.00% is stored as 100.00), then you should use decimal(5,2) with an appropriate CHECK constraint. Combined with a good col...
Maximum call stack size exceeded error
I am using a Direct Web Remoting (DWR) JavaScript library file and am getting an error only in Safari (desktop and iPad)
31...
How can I run a directive after the dom has finished rendering?
...nswered Sep 3 '12 at 6:41
Artem AndreevArtem Andreev
19.7k55 gold badges4141 silver badges4141 bronze badges
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Java 8 stream reverse order
... .map(i -> to - i + from - 1);
}
This avoids boxing and sorting.
For the general question of how to reverse a stream of any type, I don't know of there's a "proper" way. There are a couple ways I can think of. Both end up storing the stream elements. I don't know of a way to ...
Parallel.ForEach vs Task.Run and Task.WhenAll
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The first version will synchronously block the calling thread (and run some of the tasks on it).
If it's a UI thread, this will freeze the UI.
The second version will run the tasks asynchronously in the thread pool and release the calling thread until they're done.
There are also diffe...
How to export a mysql database using Command Prompt?
I have a database that is quite large so I want to export it using Command Prompt but I don't know how to.
16 Answers
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How do I dump the data of some SQLite3 tables?
How do I dump the data, and only the data, not the schema, of some SQLite3 tables of a database (not all the tables)?
The dump should be in SQL format, as it should be easily re-entered into the database later and should be done from the command line. Something like
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log4net not working
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I just tried it again and it works fine. Most likely you are not referencing/loading the assembly that contains the AssemblyInfo as soon as you thought.
– Kirk Woll
Apr 24 '13 at 14:08
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Java Class.cast() vs. cast operator
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I've only ever used Class.cast(Object) to avoid warnings in "generics land". I often see methods doing things like this:
@SuppressWarnings("unchecked")
<T> T doSomething() {
Object o;
// snip
return (T) o;
}
It's often best to replace it by:
<T> T doSomething(Class<...