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What are OLTP and OLAP. What is the difference between them?

Actually what do they mean? All articles I find about them don't give me an idea, or my knowledge is too insufficient to understand it. ...
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Anyway to prevent the Blue highlighting of elements in Chrome when clicking quickly?

Most of the time I'm not worried about it but I have an image carousel and if I click on the next and previous divs quickly, they will be highlighted in Chrome. ...
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How to print a number with commas as thousands separators in JavaScript

...idea from Kerry's answer, but simplified it since I was just looking for something simple for my specific purpose. Here is what I did: function numberWithCommas(x) { return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ","); } function numberWithCommas(x) { return x.toString().replac...
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Sometimes adding a WCF Service Reference generates an empty reference.cs

Sometimes adding a WCF Service Reference generates an empty reference.cs and I cannot reference the service anywhere in the project. ...
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How can I force browsers to print background images in CSS?

... You have very little control over a browser's printing methods. At most you can SUGGEST, but if the browser's print settings have "don't print background images", there's nothing you can do without rewriting your page to turn the background images into floating "foreground" image...
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Difference between a View's Padding and Margin

... To help me remember the meaning of padding, I think of a big coat with lots of thick cotton padding. I'm inside my coat, but me and my padded coat are together. We're a unit. But to remember margin, I think of, "Hey, give me some ma...
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Applying .gitignore to committed files

... It asked me to add flag -r to be able to do so. – JS dev Apr 9 '18 at 6:01  |  ...
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How do I switch between the header and implementation file in Xcode 4?

How do I switch between the header and implementation file in Xcode 4? 7 Answers 7 ...
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The shortest possible output from git log containing author and date

...36490 jesper Wed Nov 26 05:41:37 2008 +0000 Cleanup after [942]: Using timezon ae62afd tobias Tue Nov 25 21:42:55 2008 +0000 Fixed #67 by adding time zone supp 164be7e mads Tue Nov 25 19:56:43 2008 +0000 fixed tests, and a 'unending appoi 93f1526 jesper Tue Nov 25 09:45:56 2008 +0000 ...
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Am I immoral for using a variable name that differs from its type only by case?

...at is the reasoning of those telling you this is bad? I do this all the time. It is the simplest, expressive way to name a single variable of a type. If you needed two Person objects then you could prefix person with meaningful adjectives like fastPerson slowPerson otherwise just person is ...