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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used? ...
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How to decompile a whole Jar file? [closed]

...e Fernflower is the first actually working analytical decompiler for Java and probably for a high-level programming language in general. java -jar fernflower.jar [-<option>=<value>]* [<source>]+ <destination> java -jar fernflower.jar -hes=0 -hdc=0 c:\Temp\binary\ -e=c:\Java...
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How to run functions in parallel?

I researched first and couldn't find an answer to my question. I am trying to run multiple functions in parallel in Python. ...
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Generator Expressions vs. List Comprehension

When should you use generator expressions and when should you use list comprehensions in Python? 9 Answers ...
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Python Sets vs Lists

...cture is more efficient/speedy? Assuming that order is not important to me and I would be checking for duplicates anyway, is a Python set slower than a Python list? ...
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called

Please help me to solve this issue. I do not exactly understand what the error in the log means. 48 Answers ...
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C# if/then directives for debug vs release

In Solution properties, I have Configuration set to "release" for my one and only project. 15 Answers ...
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How to remove an item for a OR'd enum?

...rses or 'flips' all bits for the given data type. As such, if you use the AND operator (&) with some value (let's call that value 'X') and the complement of one or more set bits (let's call those bits Q and their complement ~Q), the statement X & ~Q clears any bits that were set in Q from X...
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Why not inherit from List?

... is to say, "to the human mind") is just a list of things with a few bells and whistles? Ask any ten non-computer-programmer people who are familiar with the existence of football to fill in the blank: A football team is a particular kind of _____ Did anyone say "list of football players wit...
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#ifdef replacement in the Swift language

...ifferent value when in Debug or when in Release. I tested it in real code and it works; it doesn't seem to be recognized in a playground though. You can read my original post here. IMPORTANT NOTE: -DDEBUG=1 doesn't work. Only -D DEBUG works. Seems compiler is ignoring a flag with a specific val...