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Difference between abstract class and interface in Python
...se Python doesn't have (and doesn't need) a formal Interface contract, the Java-style distinction between abstraction and interface doesn't exist. If someone goes through the effort to define a formal interface, it will also be an abstract class. The only differences would be in the stated intent ...
Getting the difference between two sets
...a nice feature to have the set operations like union , difference built in java. The above solution will modify the set , in many situations we don't really want that.
– Praveen Kumar
Jul 18 '14 at 8:09
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Should I return a Collection or a Stream?
..., where the data arrives with random latency. For that, I would suggest RxJava.
– Brian Goetz
Jul 10 '14 at 18:38
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What is the difference between a URI, a URL and a URN?
...RLs are URIs". It depends on the interpretation of the RFC. For example in Java the URI parser does not like [ or ] and that's because the spec says "should not" and not "shall not".
So that muddies the waters further, unfortunately.
If you haven't already read Roger Pate's answer, I'd advise doi...
Maximum length for MD5 input/output
...ong as the used datatype in the programming language used can be. Example: Java's strings use an array internally, therefore, a string can only contain (2^31)-1 characters (or less, depending on the heap size).That would also be your maximum input for the MD5 function in Java. But pure theoretically...
javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
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There was an issue with @XmlSchema in package-info.java, fixed now.
– Rahul Thakur
May 17 '12 at 7:39
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e.printStackTrace equivalent in python
... the occurred exception
but, I was trying to find the python equivalent of Java's e.printStackTrace() that exactly traces the exception to what line it occurred and prints the entire trace of it.
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Why am I getting a “401 Unauthorized” error in Maven?
...n.plugins:maven-install-plugin:2.4:install (default-install) on project xbnjava: Failed to install artifact com.github.aliteralmind:xbnjava:jar:0.1.3: R:\jeffy\programming\build\xbnjava-0.1.3\download\xbnjava-0.1.3-all.jar (The system cannot find the path specified) -> [Help 1]. I didn't think I ...
What is the difference between Ruby 1.8 and Ruby 1.9
...alue by name or index.
def [](index)
lookup(index.to_sym)
end
svn.ruby-lang.org/repos/ruby/trunk/lib/rake.rb
Hash Keys Now Unordered
Ruby 1.9
irb(main):001:0> {:a=>"a", :c=>"c", :b=>"b"}
=> {:a=>"a", :c=>"c", :b=>"b"}
Ruby 1.8.6
irb(main):001:0> {:a=>"a", :c...
Remove HTML tags from a String
Is there a good way to remove HTML from a Java string? A simple regex like
33 Answers
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