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How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
...is is our production environment, so what is the best and risk-free way to do this?
5 Answers
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Difference between app.all('*') and app.use('/')
...ter the router), it usually won't be run at all.
Usually, if you want to do something globally to all routes, app.use() is the better option. Also, it has less chance of future bugs, since express 0.4 will probably drop the implicit router (meaning, the position of the router in middleware will be...
How do I vertically center UITextField Text?
I am simply instantiating a UITextField and noticing that the text doesn't center vertically. Instead, it is flush with the top of my button, which I find kind of odd since I would expect the default to center it vertically. How can I center it vertically, or is there some default setting that I a...
examining history of deleted file
...le in Subversion, how can I look at it's history and contents? If I try to do svn cat or svn log on a nonexistent file, it complains that the file doesn't exist.
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.gitignore and “The following untracked working tree files would be overwritten by checkout”
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@marcamillion: What do you mean by "that worked"? If the files were tracked on the branch you switched to, you've overwritten them with your versions, which could be different...
– Cascabel
Feb 1 '11 at 6:3...
How do I configure Maven for offline development?
Does maven require a connection to the internet at some point to be able to use it? Meaning specifically getting the internal maven plugins for compiling, cleaning, packaging, etc?
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How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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Overriding !important style
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I believe the only way to do this it to add the style as a new CSS declaration with the '!important' suffix. The easiest way to do this is to append a new <style> element to the head of document:
function addNewStyle(newStyle) {
var styleEl...
Mocking member variables of a class using Mockito
... a setter method or a constructor which takes a parameter).
If your code doesn't provide a way of doing this, it's incorrectly factored for TDD (Test Driven Development).
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How to have stored properties in Swift, the same way I had on Objective-C?
...script(index: AnyObject) -> T? {
get { return objc_getAssociatedObject(index, Unmanaged.passUnretained(self).toOpaque()) as! T? }
set { objc_setAssociatedObject(index, Unmanaged.passUnretained(self).toOpaque(), newValue, policy) }
}
}
Provided that you can "add" a property ...