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How to kill an Android activity when leaving it so that it cannot be accessed from the back button?

In an given Android activity, I would like to start a new activity for the user at some point. Once they leave the first activity and arrive at the second, the first activity is stale and I want to remove it completely so it can not be accessed again from the back button. ...
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Fade In Fade Out Android Animation in Java

I want to have a 2 second animation of an ImageView that spends 1000ms fading in and then 1000ms fading out. 11 Answers ...
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Spring MVC type conversion : PropertyEditor or Converter?

I am looking for the easiest and simplest way to bind and convert data in Spring MVC. If possible, without doing any xml configuration. ...
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Block Comments in a Shell Script

Is there a simple way to comment out a block of code in a shell script? 12 Answers 12 ...
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Contains method for a slice

Is there anything similar to a slice.contains(object) method in Go without having to do a search through each element in a slice? ...
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?

... In Python 2.x this is not guaranteed as it is possible for True and False to be reassigned. However, even if this happens, boolean True and boolean False are still properly returned for comparisons. In Python 3.x True and False are keywords and will always be equal to 1 and 0. Under normal circu...
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Return a `struct` from a function in C

Today I was teaching a couple of friends how to use C struct s. One of them asked if you could return a struct from a function, to which I replied: "No! You'd return pointers to dynamically malloc ed struct s instead." ...
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Pass Array Parameter in SqlCommand

I am trying to pass array parameter to SQL commnd in C# like below, but it does not work. Does anyone meet it before? 12 A...
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jQuery SVG, why can't I addClass?

I am using jQuery SVG. I can't add or remove a class to an object. Anyone know my mistake? 15 Answers ...
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Hidden features of Windows batch files

... @furtelwart: This is the same as if you wrote all into one single line: call C:\WINDOWS\system32\ntbackup.exe backup /V:yes /R:no /RS:no /HC:off /M normal /L:s @daily.bks /F daily.bkf. And to understand all the parameters of that line, simply run C:\WINDOWS\system32\ntbackup.e...