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How to center an element horizontally and vertically

...le In supported browsers, set the display of the targeted element to flex and use align-items: center for vertical centering and justify-content: center for horizontal centering. Just don't forget to add vendor prefixes for additional browser support (see example). html, body, .container { ...
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Proper way to wait for one function to finish before continuing?

...function firstFunction(_callback){ // do some asynchronous work // and when the asynchronous stuff is complete _callback(); } function secondFunction(){ // call first function and pass in a callback function which // first function runs when it has completed firstFunctio...
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switch / pattern matching idea

I've been looking at F# recently, and while I'm not likely to leap the fence any time soon, it definitely highlights some areas where C# (or library support) could make life easier. ...
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What's the concept of and differences between Framebuffer and Renderbuffer in OpenGL?

I'm confused about concept of Framebuffer and Renderbuffer. I know that they're required to render, but I want to understand them before use. ...
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What is the { get; set; } syntax in C#?

I am learning ASP.NET MVC and I can read English documents, but I don't really understand what is happening in this code: 1...
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add column to mysql table if it does not exist

My research and experiments haven't yielded an answer yet, so I am hoping for some help. 16 Answers ...
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Copy Notepad++ text with formatting?

... Here is an image from notepad++ when you select text to copy as html. and how the formatted text looks like after pasting it in OneNote (similar to any other app that supports "Paste Special"): share | ...
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How do I list all cron jobs for all users?

Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...
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When is CRC more appropriate to use than MD5/SHA1?

... CRC works fine for detecting random errors in data that might occur, for example, from network interference, line noise, distortion, etc. CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for r...
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Regular Expressions and negating a whole character group [duplicate]

...ples I gave won't match 'ab' it's true but they also won't match 'a' alone and I need them to. Is there some simple way to do this? ...