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Can I load a UIImage from a URL?

I have a URL for an image (got it from UIImagePickerController) but I no longer have the image in memory (the URL was saved from a previous run of the app). Can I reload the UIImage from the URL again? ...
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How should I have explained the difference between an Interface and an Abstract class?

In one of my interviews, I have been asked to explain the difference between an Interface and an Abstract class . 30 Ans...
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How do I write the 'cd' command in a makefile?

For example, I have something like this in my makefile: 6 Answers 6 ...
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How to trigger a build only if changes happen on particular set of files

How do I tell Jenkins/Hudson to trigger a build only for changes on a particular project in my Git tree? 8 Answers ...
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HTML table headers always visible at top of window when viewing a large table

I would like to be able to "tweak" an HTML table's presentation to add a single feature: when scrolling down through the page so that the table is on the screen but the header rows are off-screen, I would like the headers to remain visible at the top of the viewing area. ...
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Is AngularJS just for single-page applications (SPAs)?

We are looking at options to build the front end of an application we are creating and are trying to evaluate a tool that will work for us and give us the best platform to move forward. ...
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How to declare a global variable in JavaScript?

How can I declare a global variable in JavaScript? 6 Answers 6 ...
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How can I check if character in a string is a letter? (Python)

I know about islower and isupper , but can you check whether or not that character is a letter? For Example: 6 Answers ...
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SQL Server IN vs. EXISTS Performance

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How can I add to List

I have a List which is declared like this : 6 Answers 6 ...