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How do I implement IEnumerable
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If you choose to use a generic collection, such as List<MyObject> instead of ArrayList, you'll find that the List<MyObject> will provide both generic and non-generic enumerators that you can use.
using System.Col...
Negative weights using Dijkstra's Algorithm
... thus fails to accurately compute distances in some cases. Moreover, even if you were to store back pointers saying how to get from each node to the start node A, you'd end taking the wrong path back from C to A.
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Add a default value to a column through a migration
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If you need reversible migrations, put this in an up block rather than a change block. You can leave the down block empty. It won't revert the table to the original condition but the migration can be rolled back.
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How to delete a remote tag?
...ush origin :tagname
Or, more expressively, use the --delete option (or -d if your git version is older than 1.8.0):
git push --delete origin tagname
Note that git has tag namespace and branch namespace so you may use the same name for a branch and for a tag. If you want to make sure that you canno...
Including a .js file within a .js file [duplicate]
I'd like to know if it is possible to include a .js file within another .js file?
5 Answers
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Most efficient way to cast List to List
... List<SubClass> will expect every item in the list to be a SubClass. If another part of code referred to the list as a List<BaseClass>, the compiler will not complain when a BaseClass or AnotherSubClass is inserted. But this will cause a ClassCastException for the first piece of code, wh...
Can you resolve an angularjs promise before you return it?
...ways be a promise so always declare it.
var deferred = $q.defer();
if (Cache[id]) {
// Resolve the deferred $q object before returning the promise
deferred.resolve(Cache[id]);
return deferred.promise;
}
// else- not in cache
$http.get('/someUrl', {id:id...
Gets byte array from a ByteBuffer in java
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Depends what you want to do.
If what you want is to retrieve the bytes that are remaining (between position and limit), then what you have will work. You could also just do:
ByteBuffer bb =..
byte[] b = new byte[bb.remaining()];
bb.get(b);
which is equ...
How to output numbers with leading zeros in JavaScript [duplicate]
... but is there a way to round left of the decimal? for example 5 becomes 05 if I specify 2 places
6 Answers
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Conceptually, how does replay work in a game?
...ame numbers might not be a good reference since the replay might run at a different framerate than the live game.
– Ben S
Jun 17 '10 at 18:23
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