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Android Shared preferences for creating one time activity (example) [closed]

I have three activities A,B and C where A and B are forms and after filling and saving the form data in database(SQLITE). I am using intent from A to B and then B to C.What i want is that every time I open my app I want C as my home screen and not A and B anymore. ...
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Is there a cross-browser onload event when clicking the back button?

... does nothing. But somehow this seems to trigger a reload in Safari, Opera and Mozilla -- no matter what the event handler contains. [edit(Nickolay): here's why it works that way: webkit.org, developer.mozilla.org. Please read those articles (or my summary in a separate answer below) and consider w...
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How to validate an Email in PHP?

... You can use the filter_var() function, which gives you a lot of handy validation and sanitization options. filter_var($email, FILTER_VALIDATE_EMAIL) PHP Manual filter_var() Available in PHP >= 5.2.0 If you don't want to change your code that relied on your function, just do: func...
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What is the difference between HTTP_HOST and SERVER_NAME in PHP?

What is the difference between HTTP_HOST and SERVER_NAME in PHP? 10 Answers 10 ...
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.NET 4.0 has a new GAC, why?

... it mean now we have to manage two GACs, one for .NET 2.0-3.5 applications and the other for .NET 4.0 applications? 3 Answe...
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Why are there no ++ and --​ operators in Python?

Why are there no ++ and -- operators in Python? 19 Answers 19 ...
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How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g

...ring for string, numeric ordering for integers). When you order a numeric and a non-numeric type, the numeric type comes first. >>> 5 < 'foo' True >>> 5 < (1, 2) True >>> 5 < {} True >>> 5 < [1, 2] True When you order two incompatible types where n...
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Building a minimal plugin architecture in Python

...ne is, basically, a directory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitoring stuff for a certain amount of dynamism in which plugins are a...
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Difference between open and codecs.open in Python

...open is an alias for the open() built-in. So io.open() works in Python 2.6 and all later versions, including Python 3.4. See docs: http://docs.python.org/3.4/library/io.html Now, for the original question: when reading text (including "plain text", HTML, XML and JSON) in Python 2 you should always ...
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git update-index --assume-unchanged returns “fatal unable to mark file”

I am having the same problem as the OP on this post, but I don't understand the answer marked as correct (I don't see that it explains how to fix the situation) ...