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What's the difference between BaseAdapter and ArrayAdapter?

...ence: BaseAdapter is a very generic adapter that allows you to do pretty much whatever you want. However, you have to do a bit more coding yourself to get it working. ArrayAdapter is a more complete implementation that works well for data in arrays or ArrayLists. Similarly, there is a related Curs...
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Wait for all promises to resolve

So I have a situation where I have multiple promise chains of an unknown length. I want some action to run when all the CHAINS have been processed. Is that even possible? Here is an example: ...
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How can I launch Safari from an iPhone app?

This might be a rather obvious question, but can you launch the Safari browser from an iPhone app? 7 Answers ...
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Why `null >= 0 && null

I had to write a routine that increments the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined . ...
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Django - what is the difference between render(), render_to_response() and direct_to_template()?

...and) in a view between render() , render_to_response() and direct_to_template() ? 5 Answers ...
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Chrome Dev Tools - Modify javascript and reload

Is it possible to modify the JavaScript of a page and then reload the page without reloading the modified JavaScript file (and thus losing modifications)? ...
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How to use Swift @autoclosure

... Consider a function that takes one argument, a simple closure that takes no argument: func f(pred: () -> Bool) { if pred() { print("It's true") } } To call this function, we have to pass in a closure f(pred: {2 > 1}) // "It's true" If w...
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How to get controls in WPF to fill available space?

Some WPF controls (like the Button ) seem to happily consume all the available space in its' container if you don't specify the height it is to have. ...
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How to find out the number of CPUs using python

I want to know the number of CPUs on the local machine using Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program. ...
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Why is HttpClient BaseAddress not working?

... It turns out that, out of the four possible permutations of including or excluding trailing or leading forward slashes on the BaseAddress and the relative URI passed to the GetAsync method -- or whichever other method of HttpClient -- only one permutation works. You must...