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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object

... This problem stems from an improper Java installation. Possibility 1 NOTE: This scenario only applies to Java 8 and prior. Beginning with Java 9, the JRE is structured differently. rt.jar and friends no longer exist, and Pack200 is no longer used. The Java standa...
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How to get string objects instead of Unicode from JSON?

...unicode strings, then recurses through the entire decoded value to convert all strings to byte strings. This has a couple of undesirable effects: A copy of the entire decoded structure gets created in memory If your JSON object is really deeply nested (500 levels or more) then you'll hit Python's ...
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How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]

How to open a URL in new tab instead of new window programatically? 6 Answers 6 ...
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Chain-calling parent initialisers in python [duplicate]

... B inheriting from A, class C inheriting from B. What is a generic way to call a parent class initialiser in an initialiser? If this still sounds too vague, here's some code. ...
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How do you calculate the average of a set of circular data? [closed]

... sum_i_from_1_to_N cos(a[i]) The method given by starblue is computationally equivalent, but his reasons are clearer and probably programmatically more efficient, and also work well in the zero case, so kudos to him. The subject is now explored in more detail on Wikipedia, and with other uses, l...
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What to do Regular expression pattern doesn't match anywhere in string?

... Contrary to all the answers here, for what you're trying to do regex is a perfectly valid solution. This is because you are NOT trying to match balanced tags-- THAT would be impossible with regex! But you are only matching what's in one ...
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Why do we need virtual functions in C++?

... a rat." So far so good, right? Animals eat generic food, cats eat rats, all without virtual. Let's change it a little now so that eat() is called via an intermediate function (a trivial function just for this example): // This can go at the top of the main.cpp file void func(Animal *xyz) { xyz-...
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What is the meaning of “__attribute__((packed, aligned(4))) ”

...gned(1))) sSampleStruct; so the above specified gcc attribute does not allow the structure padding. so the size will be 8 bytes. If you wish to do the same for all the structures, simply we can push the alignment value to stack using #pragma #pragma pack(push, 1) //Structure 1 ...... //Stru...
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Determine if variable is defined in Python [duplicate]

...ime? This is not always obvious because (1) the variable could be conditionally set, and (2) the variable could be conditionally deleted. I'm looking for something like defined() in Perl or isset() in PHP or defined? in Ruby. ...
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Why is __dirname not defined in node REPL?

... Yeah, that should really be added to the answer Eye, because that's what got me. – Tomáš Zato - Reinstate Monica Oct 12 '15 at 17:14 ...