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How to prove that a problem is NP complete?

...there is a proof, and you can reference the theorem in your proof. That said, reducing SAT to a given problem is the way I was taught to prove NP-completeness. – Laila Agaev Jan 3 '14 at 18:47 ...
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Zoom in on a point (using scale and translate)

...ved it: var zoomIntensity = 0.2; var canvas = document.getElementById("canvas"); var context = canvas.getContext("2d"); var width = 600; var height = 200; var scale = 1; var originx = 0; var originy = 0; var visibleWidth = width; var visibleHeight = height; function draw(){ ...
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Window vs Page vs UserControl for WPF navigation?

... in my main Window that changes based on user action. A Page is a page inside your Window. It is mostly used for web-based systems like an XBAP, where you have a single browser window and different pages can be hosted in that window. It can also be used in Navigation Applications like sellmeadog sa...
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Resizing an image in an HTML5 canvas

I'm trying to create a thumbnail image on the client side using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to lo...
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What is the difference between :first-child and :first-of-type?

...d regardless of its type .parent div:nth-child(2) { border: 1px black solid; } To see the complete example, please visit https://jsfiddle.net/bwLvyf3k/1/ share | improve this answer | ...
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Can dplyr package be used for conditional mutating?

...3 <- BASE_fun(DF)) # user system elapsed # 11.676 1.530 13.319 identical(as.data.frame(ans1), as.data.frame(ans2)) # [1] TRUE identical(as.data.frame(ans1), as.data.frame(ans3)) # [1] TRUE Not sure if this is an alternative you'd asked for, but I hope it helps. ...
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Requirejs domReady plugin vs Jquery $(document).ready()?

...equireJS and need to initialize something on DOM ready. Now, RequireJS provides the domReady plugin , but we already have jQuery's $(document).ready() , which is available to me since I have required jQuery. ...
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Differences between git remote update and fetch?

...rep --color=always -R -C30 fetch Documentation/RelNotes/* | less Then I did a less search for --all, and this is what I found under the release notes for Git version 1.6.6: git fetch learned --all and --multiple options, to run fetch from many repositories, and --prune option to remove remote ...
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Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?

...lta between layout position from iOS6 to iOS7. In iOS7, some views can hide the status bar or have it transparent and, in effect, it is overlaid on top of your view. So if you put a UI element at (0.0, 0.0) on iOS6, it will appear below the status bar, but on iOS7 it would appear partially cover...
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Choice between vector::resize() and vector::reserve()

... you want an array to which you expect to insert 1000 items and want to avoid a couple of allocations, use reserve(). EDIT: Blastfurnace's comment made me read the question again and realize, that in your case the correct answer is don't preallocate manually. Just keep inserting the elements at the...