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Vertically centering Bootstrap modal window

... This does the job : http://jsfiddle.net/sRmLV/1140/ It uses a helper-div and some custom css. No javascript or jQuery required. HTML (based on Bootstrap's demo-code) <button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">Laun...
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How to correctly use “section” tag in HTML5?

...ld be listed explicitly in the document's outline. Reference: http://www.w3.org/TR/html5/sections.html#the-section-element http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-section-element Also see: http://html5doctor.com/the-section-element/ http://www.impressi...
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How do I add a tool tip to a span element?

...as a tooltip">Mouse over for a tooltip!</span> <a href="http://www.stackoverflow.com" title="Link to stackoverflow.com">stackoverflow.com</a> <img src="something.png" alt="Something" title="Something"> All of those will render tooltips in most every browser. ...
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OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ing should have a chance to handle the message. 来源:http://blog.csdn.net/wzyzb/article/details/3974360OnNotify ON_NOTIFY
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Why do we use Base64?

...ant to encode characters not valid for a URL in the URL itself: http://www.foo.com/hello my friend -> http://www.foo.com/hello%20my%20friend This is because we want to send a space over a system that will think the space is smelly. All we are doing is ensuring there is a 1-to-1 mapping bet...
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Auto-center map with multiple markers in Google Maps API v3

...'t need to know the order beforehand. Demo jsFiddle here: http://jsfiddle.net/x5R63/ share | improve this answer | follow | ...
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nginx missing sites-available directory

...tep 3). Be sure to give it the right permissions/ownership. Likely root or www-data. Move or copy your separate config files (just like you have in /etc/nginx/sites-available) into the directory conf.d. Reload or restart nginx. Eat an ice cream cone. Any .conf files that you put into the conf.d d...
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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...系统当前状态的参数,例如 /proc/sys/kernel/pid_max,/proc/sys/net/ipv4/ip_local_port_range 等等,从文件的名字大致可以猜出所限制的资源种类。由于该目录下涉及的文件众多,在此不一一介绍。有兴趣的读者可打开其中的相关文件查阅说...
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Firefox Add-on RESTclient - How to input POST parameters?

... have a “name” = “Content-Type” and “value” = “application/x-www-form-urlencoded” Now, you are able to submit parameter like “name=mynamehere&title=TA” in the “request body” text area field share...
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Why em instead of px?

...uld, but Firefox does not honor the system DPI setting. See bugs.launchpad.net/ubuntu/+source/firefox/+bug/19524 – flodin Mar 6 '09 at 8:02 6 ...