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How to overcome TypeError: unhashable type: 'list'

...e split the file on `x`, since the part before the x will be # the key and the part after the value line = line.split('x') # Take the line parts and strip out the spaces, assigning them to the variables # Once you get a bit more comfortable, this works as well: # key, value = [x....
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What are “Groovy” and “Grails” and what kinds of applications are built using them?

Nowadays I hear a lot about "Groovy on Grails" and I want to know more about it: 4 Answers ...
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Sorting an ArrayList of objects using a custom sorting order

...urn name.compareTo(other.name); } // Add/generate getters/setters and other boilerplate. } so that you can just do List<Contact> contacts = new ArrayList<Contact>(); // Fill it. Collections.sort(contacts); If you want to define an external controllable ordering (which ov...
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Installing Python packages from local file system folder to virtualenv with pip

... It do help. And we can use -i option of pip to treat it as a local PyPI. – diabloneo Jun 12 '15 at 7:37 ...
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Difference between res.send and res.json in Express.js

What is actual difference between res.send and res.json as both seems to perform same operation of responding to client. ...
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What does template mean?

...the Factorial<0> template would have static constexpr int value = 1, and template <int N> struct Factorial can have static constexpr int value = N * Factorial<N - 1>::value; – bobobobo Aug 7 '17 at 22:08 ...
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What is an SDL renderer?

I'm starting with SDL2 and having some trouble trying to understand what an SDL_Renderer is. 2 Answers ...
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How does one make random number between range for arc4random_uniform()?

so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
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Logging request/response messages when using HttpClient

... An example of how you could do this: Some notes: LoggingHandler intercepts the request before it handles it to HttpClientHandler which finally writes to the wire. PostAsJsonAsync extension internally creates an ObjectContent and when ReadAsStringAsync() is called in the LoggingHand...
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Good way of getting the user's location in Android

Getting the user's current location within a threshold ASAP and at the same time conserve battery. 10 Answers ...