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Detecting iOS / Android Operating system
I've done some research, and this question has come up, but not in the way I intend. I'm building a page for a client that is a QR code landing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating system (Apple...
In Python how should I test if a variable is None, True or False
I have a function that can return one of three things:
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What is Common Gateway Interface (CGI)?
CGI is a Common Gateway Interface. As the name says, it is a "common" gateway interface for everything. It is so trivial and naive from the name. I feel that I understood this and I felt this every time I encountered this word. But frankly, I didn't. I'm still confused.
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How to delete images from a private docker registry?
I run a private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?
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Why is sizeof considered an operator?
Why is sizeof considered an operator and not a function?
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Convert a list to a data frame
I have a nested list of data. Its length is 132 and each item is a list of length 20. Is there a quick way to convert this structure into a data frame that has 132 rows and 20 columns of data?
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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
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How are the points in CSS specificity calculated
Researching specificity I stumbled upon this blog - http://www.htmldog.com/guides/cssadvanced/specificity/
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Extract digits from a string in Java
I have a Java String object. I need to extract only digits from it. I'll give an example:
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Natural Sort Order in C#
Anyone have a good resource or provide a sample of a natural order sort in C# for an FileInfo array? I am implementing the IComparer interface in my sorts.
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