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How to draw a custom UIView that is just a circle - iPhone app

How would I go about drawing a custom UIView that is literally just a ball (a 2D circle)? Would I just override the drawRect method? And can someone show me the code for drawing a blue circle? ...
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How to delete a file or folder?

...mdir() removes an empty directory. shutil.rmtree() deletes a directory and all its contents. Path objects from the Python 3.4+ pathlib module also expose these instance methods: pathlib.Path.unlink() removes a file or symbolic link. pathlib.Path.rmdir() removes an empty directory. ...
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Does Python have a package/module management system?

...agement system, similar to how Ruby has rubygems where you can do gem install packagename ? 13 Answers ...
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How to benchmark efficiency of PHP script

... If you actually want to benchmark real world code, use tools like Xdebug and XHProf. Xdebug is great for when you're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read t...
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django-debug-toolbar not showing up

... to settings.py: def show_toolbar(request): return True SHOW_TOOLBAR_CALLBACK = show_toolbar That will effectively remove all checks by debug toolbar to determine if it should or should not load itself; it will always just load. Only leave that in for testing purposes, if you forget and launc...
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How to avoid warning when introducing NAs by coercion

...owLowRepImageUploadWarning: true, reputationToPostImages: 10, bindNavPrevention: true, postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
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Creating a new user and password with Ansible

... parameter. There you'll see that your password must be hashed. - hosts: all user: root vars: # created with: # python -c 'import crypt; print crypt.crypt("This is my Password", "$1$SomeSalt$")' password: $1$SomeSalt$UqddPX3r4kH3UL5jq5/ZI. tasks: - user: name=tset password={...
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targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi

...or anyone who is reading this in the future. First I set up the subclass call MyCollectionViewFlowLayout and then in interface builder I changed the collection view layout to Custom and selected my flow layout subclass. Because you're doing it this way you can't specify items sizes, etc... in IB s...
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Converting from a string to boolean in Python?

... 10 Parsing strings to booleans is already implemented in distutils.util.strtobool: stackoverflow.com/a/18472142/923599 –...
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What is the difference between Int and Integer?

... | edited Aug 7 '10 at 15:39 answered Aug 7 '10 at 5:59 ...