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How to align an image dead center with bootstrap

I'm using the bootstrap framework and trying to get an image centered horizontally without success.. 15 Answers ...
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#pragma once vs include guards? [duplicate]

I'm working on a codebase that is known to only run on windows and be compiled under Visual Studio (it integrates tightly with excel so it's not going anywhere). I'm wondering if I should go with the traditional include guards or use #pragma once for our code. I would think letting the compiler de...
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Twitter Bootstrap CSS affecting Google Maps

I'm using Twitter Bootstrap, and have a Google map. 11 Answers 11 ...
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How To Save Canvas As An Image With canvas.toDataURL()?

I'm currently building a HTML5 web app/Phonegap native app and I can't seem to figure out how to save my canvas as an image with canvas.toDataURL() . Can somebody help me out? ...
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Const in JavaScript: when to use it and is it necessary?

...aScript. From what I can tell, it is used to create immutable variables , and I've tested to ensure that it cannot be redefined (in Node.js): ...
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Programmatically get the cache line size?

... @android : I use fedora-18 x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also. – Abid Rahman ...
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically

... You need to verify the permissions of the authorized_keys file and the folder / parent folders in which it is located. chmod 700 ~/.ssh chmod 600 ~/.ssh/authorized_keys For more information see this page. You may also need to change/verify the permissions of your home directory to re...
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Unauthorised webapi call returning login page rather than 401

... There are two AuthorizeAttribute implementations and you need to make sure you are referencing the correct one for Web API's. There is System.Web.Http.AuthorizeAttribute which is used for Web API's, and System.Web.Mvc.AuthorizeAttribute which is used for controllers with v...
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How do I disable right click on my web page?

...at with JavaScript by adding an event listener for the "contextmenu" event and calling the preventDefault() method: document.addEventListener('contextmenu', event => event.preventDefault()); That being said: DON'T DO IT. Why? Because it achieves nothing other than annoying users. Also many br...
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How can I get the URL of the current tab from a Google Chrome extension?

I'm having fun with Google Chrome extension, and I just want to know how can I store the URL of the current tab in a variable? ...