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Generic List - moving an item within the list
...ant.
public void Move(int oldIndex, int newIndex)
Underneath it is basically implemented like this.
T item = base[oldIndex];
base.RemoveItem(oldIndex);
base.InsertItem(newIndex, item);
So as you can see the swap method that others have suggested is essentially what the ObservableCollection doe...
Clojure: reduce vs. apply
... the ultimate result returned) for associative functions which need to see all their arguments in the variable-arity case. When they are result-wise equivalent, I'd say that apply is always perfectly idiomatic, while reduce is equivalent -- and might shave off a fraction of a blink of an eye -- in a...
Is functional GUI programming possible? [closed]
I've recently caught the FP bug (trying to learn Haskell), and I've been really impressed with what I've seen so far (first-class functions, lazy evaluation, and all the other goodies). I'm no expert yet, but I've already begun to find it easier to reason "functionally" than imperatively for basic ...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...I went ahead and created it in the first place :).
Using pure Lucene is challenging. There are many things that you need to take care for if you want it to really perform well, and also, its a library, so no distributed support, it's just an embedded Java library that you need to maintain.
In term...
rotating axis labels in R
In R, how do I make a (bar)plot's y axis labels parallel to the X axis instead of parallel to the Y axis?
5 Answers
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Rails: How does the respond_to block work?
...html
The Responder does NOT contain a method for .html or .json, but we call these methods anyways! This part threw me for a loop.
Ruby has a feature called method_missing. If you call a method that doesn't exist (like json or html), Ruby calls the method_missing method instead.
http://ruby-meta...
^M at the end of every line in vim
...g to do with editing a file in windows and then in linux. How can I remove all of these automatically?
9 Answers
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Using a dictionary to count the items in a list [duplicate]
...common data structure IMO. In fact, C++ has an implementation in the STL called std::multiset (also std::tr1::unordered_multiset) so Guido is not alone in his opinion of its importance.
– awesomo
Oct 18 '11 at 3:07
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Difference between abstraction and encapsulation?
...s way of saying “I don't care about the type of data” (this is also called type erasure). The important point is that the implementation of qsort always stays the same, regardless of data type. The only thing that has to change is the compare function, which differs from data type to data type. ...
How can I delete Docker's images?
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In order to delete all images, use the given command
docker rmi $(docker images -q)
In order to delete all containers, use the given command
docker rm $(docker ps -a -q)
Warning: This will destroy all your images and containers. It will n...