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In Rails, how do you render JSON using a view?
Suppose you're in your users controller and you want to get a json response for a show request, it'd be nice if you could create a file in your views/users/ dir, named show.json and after your users#show action is completed, it renders the file.
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Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...w how to seperate the arguments so that they are two different %s. My mind coming from Java came up with this:
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How do you run JavaScript script through the Terminal?
For instance, if you were to run a Python script you would type python filename.py or if you wanted to run a C program make filename then ./ filename . How do you do this with .js files?
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How to get enum value by string or int
How can I get the enum value if I have the enum string or enum int value. eg: If i have an enum as follows:
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GoogleTest: How to skip a test?
Using Google Test 1.6 (Windows 7, Visual Studio C++). How can I turn off a given test? (aka how can I prevent a test from running). Is there anything I can do besides commenting out the whole test?
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Adding :default => true to boolean in existing Rails column
... this one ) here on SO about adding a default boolean value to an existing column. So I tried the change_column suggestion but I mustn't be doing it right.
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How to print an exception in Python?
How can I print the error/exception in my except: block?
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What do 'lazy' and 'greedy' mean in the context of regular expressions?
Could someone explain these two terms in an understandable way?
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Is there a point to minifying PHP?
I know you can minify PHP, but I'm wondering if there is any point. PHP is an interpreted language so will run a little slower than a compiled language. My question is: would clients see a visible speed improvement in page loads and such if I were to minify my PHP?
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Hidden features of Ruby
Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language.
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