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Accessing class variables from a list comprehension in the class definition

How do you access other class variables from a list comprehension within the class definition? The following works in Python 2 but fails in Python 3: ...
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What is the best workaround for the WCF client `using` block issue?

I like instantiating my WCF service clients within a using block as it's pretty much the standard way to use resources that implement IDisposable : ...
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What exactly is metaprogramming?

I was reading an article on TheServerSide on ployglot programming on the Java platform . Some comments in the article refer to metaprogramming as the ability to generate code (perhaps on the fly). ...
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How to set my default shell on Mac?

... retype fish every time I start terminal. I want fish on by default. How can I set fish shell as my default shell on a Mac? ...
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Formatting code in Notepad++

Is there a keyboard shortcut to format code in Notepad++ ? I'm mainly working with HTML, CSS and Python code. 12 Answers ...
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Replace String in all files in Eclipse

Do you know how can I search an replace a String in all files of my current project? 10 Answers ...
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When to wrap quotes around a shell variable?

Could someone tell me whether or not I should wrap quotes around variables in a shell script? 5 Answers ...
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how to solve “ruby installation is missing psych” error?

I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up: ...
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Append a dictionary to a dictionary [duplicate]

I have two existing dictionaries, and I wish to 'append' one of them to the other. By that I mean that the key,values of the other dictionary should be made into the first dictionary. For example: ...
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In the shell, what does “ 2>&1 ” mean?

In a Unix shell, if I want to combine stderr and stdout into the stdout stream for further manipulation, I can append the following on the end of my command: ...