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Is a colon `:` safe for friendly-URL use?

... will specify application sections as words separated by slashes. Specifically, this is in GWT, so the relevant parts of the URL will be in the hash (which will be interpreted by a controller layer on the client-side): ...
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UICollectionView current visible cell index

... The method [collectionView visibleCells] give you all visibleCells array you want. Use it when you want to get - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{ for (UICollectionViewCell *cell in [self.mainImageCollection visibleCells]) { NSIndexP...
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Lazy Method for Reading Big File in Python?

... To write a lazy function, just use yield: def read_in_chunks(file_object, chunk_size=1024): """Lazy function (generator) to read a file piece by piece. Default chunk size: 1k.""" while True: data = file_object.read(chunk_size) if not data: ...
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails

... there has to be a better and faster way to convert all routes that has undersore to hyphens – carbonr Mar 31 '13 at 17:59 ...
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How can i tell if an object has a key value observer attached

... Put a try catch around your removeObserver call @try{ [someObject removeObserver:someObserver forKeyPath:somePath]; }@catch(id anException){ //do nothing, obviously it wasn't attached because an exception was thrown } ...
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How do I get the path of the Python script I am running in? [duplicate]

... os.path.realpath(__file__) will give you the path of the current file, resolving any symlinks in the path. This works fine on my mac. share | ...
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Restoring Nuget References?

... Try re-installing the packages. In the NuGet Package Manager Console enter the following command: Update-Package -Reinstall -ProjectName Your.Project.Name If you want to re-install packages and restore references for the whole soluti...
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Attach parameter to button.addTarget action in Swift

... I appreciate everyone saying use tags, but really you need to extend the UIButton class and simply add the object there.. Tags are a hopeless way round this. Extend the UIButton like this (in Swift 4) import UIKit class PassableUIButton: UIButton{ var params: Dic...
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'id' is a bad variable name in Python

... keyword or built-in function in any language is a bad idea, even if it is allowed. share | improve this answer | follow | ...
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ssl_error_rx_record_too_long and Apache SSL [closed]

...default_:443> Error code: ssl_error_rx_record_too_long This usually means the implementation of SSL on your server is not correct. The error is usually caused by a server side problem which the server administrator will need to investigate. Below are some things we recommend trying....