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How to perform element-wise multiplication of two lists?

I want to perform an element wise multiplication, to multiply two lists together by value in Python, like we can do it in Matlab. ...
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How to create a unique index on a NULL column?

I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS. 4 Answers ...
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Haskell: Where vs. Let

I am new to Haskell and I am very confused by Where vs. Let . They both seem to provide a similar purpose. I have read a few comparisons between Where vs. Let but I am having trouble discerning when to use each. Could someone please provide some context or perhaps a few examples that demonstr...
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What is a .snk for?

What is a .snk file for? I know it stands for Strongly Named Key , but all explanations of what it is and how it works goes over my head. ...
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)

POSIX allows mutexes to be recursive. That means the same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be P...
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How do I deploy Node.js applications as a single executable file? [duplicate]

Supposed I have written a Node.js application, and I now would like to distribute it. Of course, I want to make it easy for the user, hence I do not want him to install Node.js, run npm install and then manually type node app.js . ...
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How might I find the largest number contained in a JavaScript array?

I have a simple JavaScript Array object containing a few numbers. 28 Answers 28 ...
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Create a .csv file with values from a Python list

I am trying to create a .csv file with the values from a Python list. When I print the values in the list they are all unicode (?), i.e. they look something like this ...
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How to delete a character from a string using Python

There is a string, for example. EXAMPLE . 16 Answers 16 ...
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Func vs. Action vs. Predicate [duplicate]

With real examples and their use, can someone please help me understand: 3 Answers 3 ...