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How do I join two lists in Java?
...o not modifiy the original lists; JDK only, no external libraries. Bonus points for a one-liner or a JDK 1.3 version.
32 An...
When should a class be Comparable and/or Comparator?
... another object. The class itself must implements the java.lang.Comparable interface in order to be able to compare its instances.
Comparator
A comparator object is capable of comparing two different objects. The class is not comparing its instances, but some other class’s instances. This compar...
Access Enum value using EL with JSTL
...ption 2, the compiler can not verify it, but at runtime the string will be converted into an enum using Enum.valueOf(Class<T> enumType, String name) which will trigger an ELException if the enum has no constant with that name. The expression will not just always be false.
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Google Gson - deserialize list object? (generic type)
... hassle with the Type object, and if you really need a list you can always convert the array to a list by:
List<MyClass> mcList = Arrays.asList(mcArray);
IMHO this is much more readable.
And to make it be an actual list (that can be modified, see limitations of Arrays.asList()) then just d...
Nodejs cannot find installed module on Windows
...writing the full path to them. It is useful, for example, then node app is converting local files, like less — if you install it globally you can use it in any directory.
node.js itself didn't look at the npm global dir, it is using another algorithm to find required files: http://nodejs.org/api/m...
What is the default access specifier in Java?
...ssible from inside the same package to which the class belongs.
As mdma pointed out, it isn't true for interface members though, for which the default is "public".
See Java's Access Specifiers
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Non-recursive depth first search algorithm
...rsion you can't delete node's memory in visit function. This algorithm can convert tree to single-linked list by using "first_child" pointer. Than you can walk through it and free node's memory without recursion.
– puchu
Feb 20 '14 at 16:38
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What's the scope of the “using” declaration in C++?
...lude a header file in C++, it places the whole contents of the header file into the spot that you included it in the source file. So including a file that has a using declaration has the exact same effect of placing the using declaration at the top of each file that includes that header file.
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How to set a Default Route (To an Area) in MVC
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This one interested me, and I finally had a chance to look into it. Other folks apparently haven't understood that this is an issue with finding the view, not an issue with the routing itself - and that's probably because your questi...
PostgreSQL LIKE query performance variations
...out creating an index on the lowercase value of the field. That way I can convert the query text to lowercase on the backend before querying.
– Jason
Oct 14 '09 at 15:03
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