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How can I add CGPoint objects to an NSArray the easy way?

I have about 50 CGPoint objects that describe something like a "path", and I want to add them to an NSArray. It's going to be a method that will just return the corresponding CGPoint for an given index. I don't want to create 50 variables like p1 = ...; p2 = ..., and so on. Is there an easy way that...
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jQuery exclude elements with certain class in selector

... You can use the .not() method: $(".content_box a").not(".button") Alternatively, you can also use the :not() selector: $(".content_box a:not('.button')") There is little difference between the two approaches, except .not() is more readable (e...
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validation custom message for rails 3

Rails has introduced new way to validate attributes inside model. When I use 4 Answers ...
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Getting the return value of Javascript code in Selenium

I'm using Selenium2 for some automated tests of my website, and I'd like to be able to get the return value of some Javascript code. If I have a foobar() Javascript function in my webpage and I want to call that and get the return value into my Python code, what can I call to do that? ...
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How to convert byte array to Bitmap

I want to store image in SQLite DataBase . I tried to store it using BLOB and String , in both cases it store the image and can retrieve it but when i convert it to Bitmap using BitmapFactory.decodeByteArray(...) it return null. ...
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Twig ternary operator, Shorthand if-then-else

... {{ (ability.id in company_abilities) ? 'selected' : '' }} The ternary operator is documented under 'other operators' share | improve this ans...
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What is a “memory stomp”?

I just came across this blog post which mentions “stomping memory”: 3 Answers 3 ...
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MongoDB, remove object from array

... try.. db.mycollection.update( {'_id': ObjectId("5150a1199fac0e6910000002")}, { $pull: { "items" : { id: 23 } } }, false, true ); share | ...
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How do I reference a specific issue comment on github?

I'm trying to refer to a specific issue comment on github, in my readme. But I can't find any information on how to do that ( here for example). I know that it's possible to link to issues, but is it possible to link to specific comments in that issue? ...
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What is the usefulness of `enable_shared_from_this`?

I ran across enable_shared_from_this while reading the Boost.Asio examples and after reading the documentation I am still lost for how this should correctly be used. Can someone please give me an example and explanation of when using this class makes sense. ...