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When to use which design pattern? [closed]
...ve read a lot of websites where design patterns are explained. I do understand the most of them, but I find it difficult to recognize a pattern in my own situations.
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How to visualize an XML schema? [closed]
I have made an XML Schema - all the code basically - and was wondering if there is a way that the code can generate something like this:
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How is a non-breaking space represented in a JavaScript string?
... answered Mar 8 '11 at 20:35
Andrew MooreAndrew Moore
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How to use FormData for AJAX file upload?
This is my HTML which I'm generating dynamically using drag and drop functionality.
9 Answers
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Check existence of directory and create if doesn't exist
...ry(s). What I've written below will check for the existence of a directory and move into it, or create the directory and then move into it. Is there a better way to approach this?
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In Python, how do I convert all of the items in a list to floats?
...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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XPath: How to check if an attribute exists?
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Short and sweet:
//*[@foo]
Of course you should use a more specific expression. But with [@attributeName] you get all nodes which have that attribute.
s...
Unit testing with Spring Security
...e should use it in one of our next projects. So far I love what I've seen, and right now I'm taking a look at the Spring Security module to determine if it's something we can/should use.
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View not attached to window manager crash
...ashes. I was getting a View not attached to window manager error message and thought I had fixed it by wrapping the pDialog.dismiss(); in an if statement:
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Do you leave parentheses in or out in Ruby? [closed]
...ve out empty parentheses
The parentheses can be left out of a single command that is surrounded by
ERb delimiters -- the ERb markers make
sure the code is still readable
A line that is a single command and a single simple argument can be
written without the parenthesis.
Personally, I fin...