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Disable a method in a ViewSet, django-rest-framework
ViewSets have automatic methods to list, retrieve, create, update, delete, ...
7 Answers
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Check if a path represents a file or a folder
I need a valid method to check if a String represents a path for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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How can I repeat a character in Bash?
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You can use:
printf '=%.0s' {1..100}
How this works:
Bash expands {1..100} so the command becomes:
printf '=%.0s' 1 2 3 4 ... 100
I've set printf's format to =%.0s which means that it will always print a single = no matter what argument ...
What does the “Just” syntax mean in Haskell?
I have scoured the internet for an actual explanation of what this keyword does. Every Haskell tutorial that I have looked at just starts using it randomly and never explains what it does (and I've looked at many).
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What would a “frozen dict” be?
... could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
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Split by comma and strip whitespace in Python
I have some python code that splits on comma, but doesn't strip the whitespace:
11 Answers
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JSON datetime between Python and JavaScript
I want to send a datetime.datetime object in serialized form from Python using JSON and de-serialize in JavaScript using JSON. What is the best way to do this?
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What is the purpose of the “role” attribute in HTML?
I keep seeing role attributes in some people's work. I use it too, but I'm not sure about its effect.
5 Answers
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Saving changes after table edit in SQL Server Management Studio
If I want to save any changes in a table, previously saved in SQL Server Management Studio (no data in table present) I get an error message:
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rsync exclude according to .gitignore & .hgignore & svn:ignore like --filter=:C
...ync includes a nifty option --cvs-exclude to “ignore files in the same way CVS does”, but CVS has been obsolete for years. Is there any way to make it also exclude files which would be ignored by modern version control systems (Git, Mercurial, Subversion)?
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