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Surrogate vs. natural/business keys [closed]

... Now, after reading a lot about surrogate keys and natural keys, I think using surrogate keys is better. But, on my database, natural keys (a NVARCHAR(20)) must be unique. I don't understand how I can get more speed if I need ...
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How can I reconcile detached HEAD with master/origin?

...dlink .git/HEAD. But symbolic links are not entirely portable, so they are now deprecated and symbolic refs (as described above) are used by default." – Dmitry Minkovsky Aug 2 '13 at 2:43 ...
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Export a stash to another computer

...a remote on computer 2: git remote add pc1 user@computer1:/path/to/repo now you can retrieve the remote information using git fetch pc1 now you can import the commit in the way you want; using git cherry-pick, git rebase or whatever you like... If you want it to look like you just did git stas...
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SVN - Checksum mismatch while updating

...eted the folder where was a problem file and I updated the entire project. Now it seems to be ok. – Koralek M. Apr 27 '12 at 15:40 1 ...
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MongoDB: Is it possible to make a case-insensitive query?

... UPDATE: The original answer is now obsolete. Mongodb now supports advanced full text searching, with many features. ORIGINAL ANSWER: It should be noted that searching with regex's case insensitive /i means that mongodb cannot search by index, so queries ...
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Can you attach a UIGestureRecognizer to multiple views?

... iOS 9 now enforces a single view per gesture recogniser, I'd been using the interface builder method below, but now I get the following message when I try to use it (some details cut for brevity): WARNING: A Gesture recognizer (&lt...
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.prop() vs .attr()

... @Neal: If you want to know what properties DOM elements have and how attributes may seed their values, keep these links to hand: The DOM2 HTML specification, the DOM2 spec, and DOM3 spec. The indexes in each case are excellent and link you straight...
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Disable Interpolation when Scaling a

... interpolation when scaling elements? The answer is maybe some day. For now, you'll have to resort to hack-arounds to get what you want. image-rendering The working draft of CSS3 outlines a new property, image-rendering that should do what I want: The image-rendering property provides a h...
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Java Programming - Where should SQL statements be stored? [closed]

...tch from DB server without the need to change your model (but ask yourself now: how often would a company switch from DB server? likely at least only once per 3 years, isn't it?). I won't call stored procedures a "good" solution for this. They have an entirely different purpose. Even though, your c...
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Is std::vector so much slower than plain arrays?

...d::vector<Pixel> pixels(dimensions * dimensions, Pixel(255,0,0)); Now doing the same timing again: g++ -O3 Time.cpp -I <MyBoost> ./a.out UseVector completed in 2.216 seconds The vector now performance only slightly worse than the array. IMO this difference is insignificant...