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Can't install Ruby under Lion with RVM – GCC issues

...was trying to install SiriProxy on a clean Lion installation on Xcode from App Store I kept getting errors like : The provided CC(/usr/bin/gcc) is LLVM based. bash-3.2$ rvm install 1.9.3 ERROR: The provided CC(/usr/bin/gcc) is LLVM based, it is not yet fully supported by ruby and gems, please read...
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psql: FATAL: role “postgres” does not exist

...R; CREATE DATABASE postgres WITH OWNER postgres; But since your postgres.app setup does not seem to do this, you also should not. Simple adapt the tutorial. share | improve this answer | ...
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UITextView that expands to text using auto layout

I have a view that is laid out completely using auto layout programmatically. I have a UITextView in the middle of the view with items above and below it. Everything works fine, but I want to be able to expand UITextView as text is added. This should push everything below it down as it expands. ...
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Django Rest Framework: Dynamically return subset of fields

...verride the serializer __init__ method and set the fields attribute dynamically, based on the query params. You can access the request object throughout the context, passed to the serializer. Here is a copy&paste from Django Rest Framework documentation example on the matter: from rest_framew...
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How can I use UUIDs in SQLAlchemy?

... dialect supports UUID columns. This is easy (and the question is specifically postgres) -- I don't understand why the other answers are all so complicated. Here is an example: from sqlalchemy.dialects.postgresql import UUID from flask_sqlalchemy import SQLAlchemy import uuid db = SQLAlchemy() ...
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What are all the user accounts for IIS/ASP.NET and how do they differ?

Under Windows Server 2008 with ASP.NET 4.0 installed there is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list: ...
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How do I convert a Ruby class name to a underscore-delimited symbol?

...hich is likely the case. Advantages: easier to understand your code your app will still work even in the (unlikely) event that Rails decides to change a naming convention. BTW, human has the advantage of being I18N aware. ...
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Where do the Python unit tests go?

... For a file module.py, the unit test should normally be called test_module.py, following Pythonic naming conventions. There are several commonly accepted places to put test_module.py: In the same directory as module.py. In ../tests/test_module.py (at the same level as t...
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How to check if a file exists in Documents folder?

I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app. ...
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How to disable / enable dialog negative positive buttons?

...ng any text that the user has already typed in. If you don't want that to happen you need to dismiss the fragment in your activity's onStop. The newInstance method signature can be changed to whatever you need. import android.app.Activity; import android.app.Dialog; import android.app.DialogFragmen...