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What are enums and why are they useful?
Today I was browsing through some questions on this site and I found a mention of an enum being used in singleton pattern about purported thread safety benefits to such solution.
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Preserving signatures of decorated functions
Suppose I have written a decorator that does something very generic. For example, it might convert all arguments to a specific type, perform logging, implement memoization, etc.
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Search for string and get count in vi editor
I want to search for a string and find the number of occurrences in a file using the vi editor.
8 Answers
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How to detect input type=file “change” for the same file?
I want to fire an event when the user select a file. Doing so with .change event it works if the user changes the file every time.
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Overriding a Rails default_scope
If I have an ActiveRecord::Base model with a default-scope:
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How can I render inline JavaScript with Jade / Pug?
I'm trying to get JavaScript to render on my page using Jade (http://jade-lang.com/)
8 Answers
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Print Var in JsFiddle
How would I print something to the result screen in JsFiddle from my JavaScript. I can't use document.write() , it doesn't allow it, neither print .
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Pretty print in MongoDB shell as default
Is there a way to tell Mongo to pretty print output? Currently, everything is output to a single line and it's difficult to read, especially with nested arrays and documents.
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How do I center a window onscreen in C#?
I need a way to center the current window. So for example, if a user pushes a button, I want the window to center itself onscreen. I know you can use the startposition property, but I cannot figure out a way to use that other than when the application first starts up. So how do I center the form on ...
How to iterate over a JSONObject?
I use a JSON library called JSONObject (I don't mind switching if I need to).
15 Answers
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