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Ruby on Rails: how to render a string as HTML?

... UPDATE For security reason, it is recommended to use sanitize instead of html_safe. Link What's happening is that, as a security measure, Rails is escaping your string for you because it might have malicious code embedded ...
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Align contents inside a div

... a width, with ‘auto’ left and right margins. This is the standards-compliant way that works everywhere except IE5.x. <div style="width: 50%; margin: 0 auto;">Hello</div> For this to work in IE6, you need to make sure Standards Mode is on by using a suitable DOCTYPE. If you reall...
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What's the absurd function in Data.Void useful for?

... has the following signature, where Void is the logically uninhabited type exported by that package: 6 Answers ...
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How do I delete a Git branch locally and remotely?

... Executive Summary $ git push -d <remote_name> <branch_name> $ git branch -d <branch_name> Note that in most cases the remote name is origin. In such a case you'll have to use the command like so. $ git push -d origin <branch_...
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How does the Java 'for each' loop work?

...}</P> @see <CODE><A HREF="https://stackoverflow.com/questions/180158/how-do-i-time-a-methods-execution-in-java">https://stackoverflow.com/questions/180158/how-do-i-time-a-methods-execution-in-java</A></CODE>...
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用户界面(UI)组件 · App Inventor 2 中文网

... 隐私策略和使用条款 技术支持 service@fun123.cn
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How can I get a user's media from Instagram without authenticating as a user?

...meone as I did not see it in Instagram's documentation. To perform GET on https://api.instagram.com/v1/users/<user-id>/media/recent/ (at present time of writing) you actually do not need OAuth access token. You can perform https://api.instagram.com/v1/users/[USER ID]/media/recent/?client_id=...
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Structure padding and packing

... Padding aligns structure members to "natural" address boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first struc...
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How do I access properties of a javascript object if I don't know the names?

Say you have a javascript object like this: 8 Answers 8 ...
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Installing PIL with pip

...w instead, as PIL is basically dead. Pillow is a maintained fork of PIL. https://pypi.python.org/pypi/Pillow/2.2.1 pip install Pillow If you have both Pythons installed and want to install this for Python3: python3 -m pip install Pillow ...