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Semi-transparent color layer over background-image?

I have a DIV and I would like to put a pattern as background. This pattern is gray. So to make it a little more nice, I would like to put a light transparent color "layer" over. Below is what I tried but which did not work. Is there a way to put the colored layer over the background image? ...
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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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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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remove None value from a list without removing the 0 value

This was my source I started with. 10 Answers 10 ...
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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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Replace all 0 values to NA

I have a dataframe with some numeric columns. Some row has a 0 value which should be considered as null in statistical analysis. What is the fastest way to replace all the 0 value to NULL in R? ...
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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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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 ...
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Javascript calculate the day of the year (1 - 366)

How do I use javascript to calculate the day of the year, from 1 - 366? For example: 22 Answers ...
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Modify SVG fill color when being served as Background-Image

Placing the SVG output directly inline with the page code I am able to simply modify fill colors with CSS like so: 16 Answe...