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Instance attribute attribute_name defined outside __init__

... @MericOzcan either setting a bunch of attributes to None and then setting them later in a parse_args function OR returning a short tuple from parse_args is OK. ideally, parse_args should be testable without needing a wizard instance. – Erik Aronesty ...
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How can I use Python to get the system hostname?

...at program for a local network. I would like be able to identify computers and get the user-set computer name with Python. ...
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When does System.gc() do something?

... on lots of factors, like which JVM you're running on, which mode it's in, and which garbage collection algorithm it's using. I wouldn't depend on it in your code. If the JVM is about to throw an OutOfMemoryError, calling System.gc() won't stop it, because the garbage collector will attempt to f...
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What is hashCode used for? Is it unique?

...an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specific items is unique. ...
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Padding within inputs breaks width 100%

...for IE box-sizing property depends on IE Document Mode, it works on "IE8 Standards mode" & higher. So it will work in IE8 browser version also if document mode is "IE8 Standards mode". Hope this helps – Sanjeev Jun 25 '14 at 8:44 ...
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Eclipse: How do i refresh an entire workspace? F5 doesn't do it

... click somewhere in the project explorer, do Ctrl+A to select all projects and then press F5 to achieve a complete refresh. share | improve this answer | follow ...
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Error: free(): invalid next size (fast):

...rror I'm getting? I'm compiling C++ using g++ on Ubuntu 10.10. It pops up randomly when I run the executable (maybe 2 times in 8 hours, with 10 compiles an hour). However, if I make clean and recompile it goes away most of the time. ...
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Can iterators be reset in Python?

Can I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file. ...
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How to check command line parameter in “.bat” file?

... I need to have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will do something. I have crea...
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Storing Python dictionaries

I'm used to bringing data in and out of Python using CSV files, but there are obvious challenges to this. Are there simple ways to store a dictionary (or sets of dictionaries) in a JSON or pickle file? ...