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What is href=“#” and why is it used?

On many websites I see links that have href="#" . What does it mean? What is it used for? 9 Answers ...
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Android - Back button in the title bar

In many apps (Calendar, Drive, Play Store) when you tap a button and enter a new activity, the icon in the title bar turns into a back button, but for the app I am making, it doesn't do that. How do I make that icon take you back to the previous screen? ...
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Converting JSONarray to ArrayList

I am downloading a JSON string and converting it to JSONArray. Im putting it into a listview and need to be able to delete from that listview later, and since JSONArray has no .remove method (Thanks Obama), I am trying to convert it to an arraylist. ...
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How to remove a field from params[:something]

My registration form, which is a form for the Users model, takes a string value for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model. ...
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How do I get the value of text input field using JavaScript?

I am working on a search with JavaScript. I would use a form, but it messes up something else on my page. I have this input text field: ...
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Custom ImageView with drop shadow

Okay, I've been reading and searching around, and am now banging my head against the wall trying to figure this out. Here's what I have so far: ...
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How to decorate a class?

In Python 2.5, is there a way to create a decorator that decorates a class? Specifically, I want to use a decorator to add a member to a class and change the constructor to take a value for that member. ...
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How to list all the files in a commit?

I am looking for a simple git command that provides a nicely formatted list of all files that were part of the commit given by a hash (SHA1), with no extraneous information. ...
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How can I get all the request headers in Django?

...he Django request headers. From what i've read, Django simply dumps everything into the request.META variable along with a lot aof other data. What would be the best way to get all the headers that the client sent to my Django application? ...
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How do I unbind “hover” in jQuery?

How do I unbind "hover" in jQuery? 8 Answers 8 ...