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Add and remove multiple classes in jQuery
I'm trying to add and remove multiple classes on a text field by clicking different radio buttons. I'm not able to remove the unwanted classes while switching between different radio buttons.
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Why are trailing commas allowed in a list?
I am curious why in Python a trailing comma in a list is valid syntax, and it seems that Python simply ignores it:
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Rendering JSON in controller
I was reading a book and in a chapter about Controllers when it talks about rendering stuff, for JSON it has an example like this but doesn't go in to details so I couldn't figure out the bigger picture that this example fits in:
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Default filter in Django admin
...ve a field named as status which has three values: activate , pending and rejected . When I use list_filter in Django admin, the filter is by default set to 'All' but I want to set it to pending by default.
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Difference between a theta join, equijoin and natural join
I'm having trouble understanding relational algebra when it comes to theta joins, equijoins and natural joins. Could someone please help me better understand it? If I use the = sign on a theta join is it exactly the same as just using a natural join?
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How to delete a word and go into insert mode in Vim?
...mal mode I can hit Ctrl + E which deletes the rest of the current word and goes to insert mode.
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Rails respond_with: how does it work?
I've been reading here and there about how cool the respond_with method is in Rails 3. But I can't even find a reference to it in either the Rails APIs or by searching the source. Can anyone either explain to me how it works (what options you can use, etc) or point me to the place it's actually im...
How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
...ou can't do this with a HTML select tag, but you can do it with JavaScript and HTML. There are variety of existing controls that do this - for instance, the "suggest" list attached to the SO "interesting/ignored tag" entry, or Gmail's lookup for email adresses.
There are many JavaScript+HTML contro...
How do I create a new class in IntelliJ without using the mouse?
...near the existing one or use arrow keys to navigate through the packages.
And yet another way is to just type the class name in the existing code where you want to use it, IDEA will highlight it in red as it doesn't exist yet, then press Alt+Enter for the Intention Actions pop-up, choose Create Cla...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
... could also use tools like for example nvm which can help you install node and even have multiple versions.
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