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Display clearColor UIViewController over UIViewController

I have a UIViewController view as a subview/modal on top of another UIViewController view, such as that the subview/modal should be transparent and whatever components is added to the subview should be visible. The problem is that I have is the subview shows black background instead to have clea...
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jQuery click events firing multiple times

I'm attempting to write a video poker game in Javascript as a way of getting the basics of it down, and I've run into a problem where the jQuery click event handlers are firing multiple times. ...
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400 vs 422 response to POST of data

I'm trying to figure out what the correct status code to return on different scenarios with a "REST-like" API that I'm working on. Let's say I have a end point that allows POST'ing purchases in JSON format. It looks like this: ...
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Refresh image with a new one at the same url

I am accessing a link on my site that will provide a new image each time it is accessed. 19 Answers ...
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Stop an input field in a form from being submitted

I'm writing some javascript (a greasemonkey/userscript) that will insert some input fields into a form on a website. 12 Ans...
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Just disable scroll not hide it?

I'm trying to disable the html/body scrollbar of the parent while I'm using a lightbox. The main word here is disable . I do not want to hide it with overflow: hidden; . ...
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What is the easiest way to remove all packages installed by pip?

I'm trying to fix up one of my virtualenvs - I'd like to reset all of the installed libraries back to the ones that match production. ...
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How does password salt help against a rainbow table attack?

I'm having some trouble understanding the purpose of a salt to a password. It's my understanding that the primary use is to hamper a rainbow table attack. However, the methods I've seen to implement this don't seem to really make the problem harder. ...
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Turn off auto formatting in Visual Studio

I'm a code purist, preferring my own style of code formatting as opposed to Visual Studio's default settings. I've turned off auto-formatting options in Tools/options. In most cases it works. ...
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Good scalaz introduction [closed]

Recently scalaz caught my eye. It looks very interesting, but I have not found any good introduction to the library. Seems that scalaz incorporates a lot of ideas from haskell and mathematics. Most articles that I found assume that you already feel comfortable with these concepts. ...