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Build the full path filename in Python

I need to pass a file path name to a module. How do I build the file path from a directory name, base filename, and a file format string? ...
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How to do Mercurial's 'hg remove' for all missing files?

I use this to remove a file from the repo: 4 Answers 4 ...
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Rails: how do I validate that something is a boolean?

Does rails have a validator like validates_numericality_of for boolean or do I need to roll my own? 5 Answers ...
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Help with C# generics error - “The type 'T' must be a non-nullable value type”

I'm new to C# and don't understand why the following code doesn't work. 4 Answers 4 ...
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How to securely store access token and secret in Android?

I am going to use oAuth to fetch mails and contacts from google. I don't want to ask the user each time to log in to obtain an access token and secret. From what I understood, I need to store them with my application either in a database or SharedPreferences . But I am a bit worried about security ...
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Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?

How can I read an image file into bitmap from sdcard? 4 Answers 4 ...
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Why #egg=foo when pip-installing from git repo

When I do a "pip install -e ..." to install from a git repo, I have to specify #egg=somename or pip complains. For example: ...
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What is this: [Ljava.lang.Object;?

I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don't know how to read it. ...
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What is the right way to override a setter method in Ruby on Rails?

I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute. ...
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Replace words in a string - Ruby

I have a string in Ruby: 4 Answers 4 ...