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How to load JAR files dynamically at Runtime?

...have any kind of module system you need to be able to load JAR files dynamically. I'm told there's a way of doing it by writing your own ClassLoader , but that's a lot of work for something that should (in my mind at least) be as easy as calling a method with a JAR file as its argument. ...
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matplotlib does not show my drawings although I call pyplot.show()

Help required on matplotlib. Yes, I did not forget calling the pyplot.show(). 14 Answers ...
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Can a decorator of an instance method access the class?

I have something roughly like the following. Basically I need to access the class of an instance method from a decorator used upon the instance method in its definition. ...
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What do the parentheses around a function name mean?

... How would such a function be called? Would you call it with the parentheses as well? For example, would this work: (isdigit)(5)? – gcochard Dec 5 '12 at 19:14 ...
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How to center a Window in Java?

...s @kleopatra said on another answer, setLocationRelativeTo(null) has to be called after pack() in order to work. – Eusebius Apr 19 '14 at 5:18 6 ...
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Simplest/Cleanest way to implement singleton in JavaScript?

...e }, publicMethod2: function () { } }; })(); This has been called the module pattern, it basically allows you to encapsulate private members on an object, by taking advantage of the use of closures. UPDATE: I would like to add that if you want to prevent the modification of the sing...
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Why is the clone() method protected in java.lang.Object?

...CloneNotSupportedException. So you do need be Cloneable if you're going to call super.clone() (resulting in Object.clone() being called). I don't see how an object can be serialized without implementing Serializable. – Steve Kuo Jul 16 '09 at 17:00 ...
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How to get the second column from command output?

... this helped me trying to do following (fetch commit id of a file in git): git annotate myfile.cpp | grep '2016-07' | head -1| cut -f1 – serup Jul 14 '16 at 7:34 ...
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virtualenv --no-site-packages and pip still finding global packages?

...omething like /usr/local/bin/pip, meaning that when we do pip freeze it is calling this binary instead of mytest/bin/pip. share | improve this answer | follow ...
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How to create a memory leak in Java?

...MemorableClass { static final ArrayList list = new ArrayList(100); } Calling String.intern() on lengthy String String str=readString(); // read lengthy string any source db,textbox/jsp etc.. // This will place the string in memory pool from which you can't remove str.intern(); (Unclosed) op...