I have a product collection that I am getting from a configurable product, and I want to filter that collection to only include products that have images attached to them. How do I go about th开发者_高
Is static initialized unmodifiableCollection.get guaranteed immutable? For: static final Map FOO = Collections.unmodifiableMap(new HashMap());
Let\'s say you have a function (X) that takes a single object and does some work with it. It can fail in some way:
开发者_StackOverflow中文版I have a Set of keys and a List of key/value pairs. The values are of the form Long,BigInteger.
I need an advice in problem with TFieldDef. I need to add one additional string property to the TFieldDef called Description. I want to see that property when I iterate over TFieldDefs collecti开发者_
I would like to store tuples objects in a concurent java collection and then have an efficient, blocking query method that returns the first element matching a pattern. If no such element is available
My problem is not usual. Let\'s imagine few billions of strings. Strings are usually less then 15 characters. In this list I need to find out the number of the unique elements.
I need to create a Set with initial va开发者_如何学运维lues. Set<String> h = new HashSet<String>();
I was trying to pull environment variables into a scala script using java Iterators and / or Enumerations and realised that Dr Frankenstein might claim parentage, so I hacked the following from the ug
Let\'s say I have List<Cookie> and I want to convert it to a CookieCollection. What\'s the easiest way to do this?
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