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Get key by value in dictionary

I made a function which will look up ages in a Dictionary and show the matching name: 34 Answers ...
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What is the difference in maven between dependency and plugin tags in pom xml?

I'm new to the maven tool, I have made a project with Spring and Hibernate and they are configured in pom.xml as plugins, but JUnit is tagged under dependency. My question is what is the logic behind one as a plugin and one as dependency ? ...
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Which is more preferable to use: lambda functions or nested functions ('def')?

... If you need to assign the lambda to a name, use a def instead. defs are just syntactic sugar for an assignment, so the result is the same, and they are a lot more flexible and readable. lambdas can be used for use once, throw away functions which won't have a name. However, th...
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Loop through an array of strings in Bash?

I want to write a script that loops through 15 strings (array possibly?) Is that possible? 19 Answers ...
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How do I ignore files in a directory in Git?

What is the proper syntax for the .gitignore file to ignore files in a directory? 10 Answers ...
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Unicode (UTF-8) reading and writing to files in Python

I'm having some brain failure in understanding reading and writing text to a file (Python 2.4). 14 Answers ...
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Understanding generators in Python

I am reading the Python cookbook at the moment and am currently looking at generators. I'm finding it hard to get my head round. ...
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Learning Python from Ruby; Differences and Similarities

... Ruby has blocks; Python does not. Python has functions; Ruby does not. In Python, you can take any function or method and pass it to another function. In Ruby, everything is a method, and methods can't be directly passed. Instead, you have to wrap them in Proc's to pass them. Ruby and Python b...
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Split string into an array in Bash

In a Bash script I would like to split a line into pieces and store them in an array. 22 Answers ...
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What would a “frozen dict” be?

I guess it could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it? ...