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Dynamically generating a QR code with PHP [closed]
I'm trying to generate QR codes on my website. All they have to do is have a URL in them, which a variable on my site will provide. What would be the easiest way to do this?
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What does (function($) {})(jQuery); mean?
...ut these? Perhaps an explanation will come in handy someday when writing a framework :)
6 Answers
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How to extract public key using OpenSSL?
The following command generates a file which contains both public and private key:
5 Answers
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How to scale Docker containers in production
So I recently discovered this awesome tool, and it says
10 Answers
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Pass ruby script file to rails console
Is there a way to pass ruby file, foo.rb to rails console. Expected results would be after console starts rails environment to run file.
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how to check if List element contains an item with a Particular Property Value
How to check if element of pricePublicList contains certain value. To be more precise, I want to check if there exists pricePublicModel.Size == 200 ? Also, if this element exists, how to know which one it is?
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When to delete branches in Git?
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You can safely remove a branch with git branch -d yourbranch. If it contains unmerged changes (ie, you would lose commits by deleting the branch), git will tell you and won't delete it.
So, deleting a merged branch is cheap and won't ...
How do I get the coordinates of a mouse click on a canvas element?
What's the simplest way to add a click event handler to a canvas element that will return the x and y coordinates of the click (relative to the canvas element)?
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Extracting specific columns from a data frame
I have an R data frame with 6 columns, and I want to create a new dataframe that only has three of the columns.
10 Answers
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Eclipse: Files opened by multiple searches using same editor tab
When using the "file search" function in eclipse to find a bit of text in a ".java" file, I may get a list of several search results. Let's say I double click on the file "A.java" which then opens A.java in a new editor tab. If I then use the "file search" function again to find some other bit of ...