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Connect to a locally built Jekyll Server using mobile devices in the LAN

After using jekyll serve on one machine, a WEBrick server is set up and the site can be accessed from localhost:4000 on this particular PC. ...
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]

I want to toggle a variable between 0 and 1. If it's 0 I want to set it to 1, else if it's 1 I want to set it to 0. 31 Answ...
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What's the fastest way to loop through an array in JavaScript?

I learned from books that you should write for loop like this: 22 Answers 22 ...
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A weighted version of random.choice

I needed to write a weighted version of random.choice (each element in the list has a different probability for being selected). This is what I came up with: ...
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How do you check whether a number is divisible by another number (Python)?

I need to test whether each number from 1 to 1000 is a multiple of 3 or a multiple of 5. The way I thought I'd do this would be to divide the number by 3, and if the result is an integer then it would be a multiple of 3. Same with 5. ...
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In Python, how do I convert all of the items in a list to floats?

I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list. 12 Answers...
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Email Address Validation in Android on EditText [duplicate]

How can we perform Email Validation on edittext in android ? I have gone through google & SO but I didn't find out a simple way to validate it. ...
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Apply a function to every row of a matrix or a data frame

Suppose I have a n by 2 matrix and a function that takes a 2-vector as one of its arguments. I would like to apply the function to each row of the matrix and get a n-vector. How to do this in R? ...
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Gray out image with CSS?

What's the best way (if any) to make an image appear "grayed out" with CSS (i.e., without loading a separate, grayed out version of the image)? ...
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How do you push a Git tag to a branch using a refspec?

I want to force push, for example, my tag 1.0.0 to my remote master branch. 4 Answers ...