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What is the difference between declarative and imperative programming? [closed]
...n collection where item%2 != 0 select item would be the declarative form. Calling a function doesn't become declarative programming just because that function is in the System.Linq namespace.
– Pete Kirkham
Aug 28 '15 at 21:50
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ASP.NET: This method cannot be called during the application's pre-start initialization stage
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I see. It automatically defines security and membership rules so you have to override them before you add custom ones. Tricky.
– Jonathan Allen
May 25 '11 at 8:46
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AWK: Access captured group from line pattern
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I prefer 'perl -n -p -e...' over awk for almost all use cases, since it is more flexible, more powerful and has a saner syntax in my opinion.
– Peter Tillemans
Jun 23 '11 at 18:39
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Make Div overlay ENTIRE page (not just viewport)?
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The viewport is all that matters, but you likely want the entire website to stay darkened even while scrolling. For this, you want to use position:fixed instead of position:absolute. Fixed will keep the element static on the screen as you sc...
How can I move a single directory from a git repository to a new repository whilst maintaining the h
...e the master repository contain the projects as submodules. I'd like to do all this whilst maintaining the revision history of the individual projects if possible.
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Java SecurityException: signer information does not match
...from directories since those AFAIK cannot be signed).
So either make sure all JARs (or at least those which contain classes from the same packages) are signed using the same certificate, or remove the signatures from the manifest of JAR files with overlapping packages.
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How do I force git to checkout the master branch and remove carriage returns after I've normalized f
...his workaround, but it's glaring issue in git that "checkout -f" doesn't really force re-checkout. Another woraround would be to remove all working copy files first (i.e. everything but .git dir).
– pfalcon
Mar 18 '14 at 3:38
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Rails server says port already used, how to kill that process?
...you're looking to kill whatever is on port 3000 (which is what webrick normally uses), type this in your terminal to find out the PID of the process:
$ lsof -wni tcp:3000
Then, use the number in the PID column to kill the process:
$ kill -9 PID
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What is offsetHeight, clientHeight, scrollHeight?
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To know the difference you have to understand the box model, but basically:
clientHeight:
returns the inner height of an element in pixels, including padding but not the horizontal scrollbar height, border, or margin
offsetHeight:
is a measurement which includes the element borders, ...
Is JavaScript guaranteed to be single-threaded?
JavaScript is known to be single-threaded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded?
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