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Android: how to make an activity return results to the activity which calls it?

...u can make use of setData() to return result. Intent data = new Intent(); String text = "Result to be returned...." //---set the data to pass back--- data.setData(Uri.parse(text)); setResult(RESULT_OK, data); //---close the activity--- finish(); So then again in the first activity you write the b...
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How to check if a URL is valid

How can I check if a string is a valid URL? 9 Answers 9 ...
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How do I store an array in localStorage? [duplicate]

... localStorage only supports strings. Use JSON.stringify() and JSON.parse(). var names = []; names[0] = prompt("New member name?"); localStorage.setItem("names", JSON.stringify(names)); //... var storedNames = JSON.parse(localStorage.getItem("names"));...
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How do I make the return type of a method generic?

Is there a way to make this method generic so I can return a string, bool, int, or double? Right now, it's returning a string, but if it's able find "true" or "false" as the configuration value, I'd like to return a bool for example. ...
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Remove a prefix from a string [duplicate]

...e behavior of the new function is exactly as in this answer (returning the string unchanged if it does not start with prefix) – Elazar May 27 at 23:50 ...
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Programmatically retrieve memory usage on iPhone

... 1048576)); } else { NSLog(@"Error with task_info(): %s", mach_error_string(kerr)); } } There is also a field in the structure info.virtual_size which will give you the number of bytes available virtual memory (or memory allocated to your application as potential virtual memory in any even...
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What's the best way to store a group of constants that my program uses? [closed]

I have various constants that my program uses... string 's, int 's, double 's, etc... What is the best way to store them? I don't think I want an Enum , because the data is not all the same type, and I want to manually set each value. Should I just store them all in an empty class? Or is there a ...
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How to add a Timeout to Console.ReadLine()?

...read; private static AutoResetEvent getInput, gotInput; private static string input; static Reader() { getInput = new AutoResetEvent(false); gotInput = new AutoResetEvent(false); inputThread = new Thread(reader); inputThread.IsBackground = true; inputThread.Start(); } ...
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Find all files with a filename beginning with a specified string?

...nd I want to perform some function on all files beginning with a specified string, which may match tens of thousands of files. ...
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Generating HTML email body in C#

... generate HTML email in C# (for sending via System.Net.Mail), than using a Stringbuilder to do the following: 10 Answers ...