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Why doesn't Java Map extend Collection?
...ections and
collections are not mappings. Thus, it
makes little sense for Map to extend
the Collection interface (or vice
versa).
If a Map is a Collection, what are the
elements? The only reasonable answer
is "Key-value pairs", but this
provides a very limited (and not
particula...
returning a Void object
What is the correct way to return a Void type, when it isn't a primitive? Eg. I currently use null as below.
5 Answers
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Which parts of Real World Haskell are now obsolete or considered bad practice?
In the chapter 19 of Real World Haskell a lot of the examples now fail due to the change of Control.Exception .
1 Answer...
Detect if Android device has Internet connection
I need to tell if my device has Internet connection or not. I found many answers like:
15 Answers
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Should CSS always preceed Javascript?
...n countless places online I have seen the recommendation to include CSS prior to JavaScript. The reasoning is generally, of this form :
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What exactly is metaprogramming?
...ding an article on TheServerSide on ployglot programming on the Java platform . Some comments in the article refer to metaprogramming as the ability to generate code (perhaps on the fly).
...
Assembly code vs Machine code vs Object code?
...directly by the CPU. If you were to open a machine code file in a text editor you would see garbage, including unprintable characters (no, not those unprintable characters ;) ).
Object code is a portion of machine code not yet linked into a complete program. It's the machine code for one particular ...
Removing multiple classes (jQuery)
...Class("class1 class2");
From removeClass(), the class parameter:
One or more CSS classes to remove from
the elements, these are separated by
spaces.
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What's the advantage of Logic-less template (such as mustache)?
...
In other words, it prevents you from shooting yourself in the foot. In the old JSP days, it was very common to have JSP files sprinkled with Java code, which made refactoring much harder, since you had your code scattered.
If you prev...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...
For some reason mysql on OS X gets the locations of the required socket file a bit wrong, but thankfully the solution is as simple as setting up a symbolic link.
You may have a socket (appearing as a zero length file) as /tmp...