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通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...可能会影响性能，此时没有特别好的解决办法，如果Nginx版本够的话，可以考虑激活fastcgi_cache_revalidate，如此一来，PHP-FPM一旦判断系统处于异常情况，那么可以直接返回304实现缓存续期。
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通过FastCGI Cache实现服务降级，这是...
How to “crop” a rectangular image into a square with CSS?
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.thumb1 a:hover { YOUR HOVER STYLES HERE }
Note this could also be modified to be responsive, for example % widths and heights etc.
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Detect Click into Iframe using JavaScript
... the iframe, and potentially (though not reliably) when it comes back out (ie. trying to work out the difference between the pointer passing over the ad on its way somewhere else versus lingering on the ad).
I imagine a scenario where there is an invisible div on top of the iframe and the the di...
NuGet behind a proxy
... the package source in Visual Studio.
Note that some people who have tried this approach have reported through the comments that they have been able to omit setting the http_proxy.password key from the command line, or delete it after-the-fact from the config file, and were still able to have Nu...
Is there a CSS selector for the first direct child only?
...you want.
Please note that all major browsers support this method, except IE6. If IE6 support is mission-critical, you will have to add classes to the child divs and use that, instead. Otherwise, it's not worth caring about.
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What is the current state of the art in HTML canvas JavaScript libraries and frameworks? [closed]
...ering what is the current state of the art in HTML canvas JavaScript libraries and frameworks?
15 Answers
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jQuery SVG vs. Raphael [closed]
...SVG element). Doesn't do great w/ editing of already existing elements. Relies on SVG semantics for animation - which is not that great.
SnapSVG as a pure SVG version of Raphael
SnapSVG is the successor of Raphael. It is supported only in the SVG enabled browsers and supports almost all the featur...
How to vertically center divs? [duplicate]
...ll need vendor prefixes. For older browsers without flexbox support (e.g. IE 9 and lower), you'll need to implement a fallback solution using one of the older methods.
Recommended Reading
Browser support
A Guide to Flexbox
Using CSS Flexible Boxes
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Download JSON object as a file from browser
...hat explains in more detail how this whole prepended data-type thing works ie. "data:text/json;charset=utf-8"? I am using this, but it feels like magic, would be great to read up on the details but I don't even know how to google for it.
– sidewinderguy
Jul 25 ...
How can I use a carriage return in a HTML tooltip?
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@Halcyon, I tried inserting those escape sequences into a title attribute in Firefox and Chrome, and they were just presented literally in the tooltip. Afterwards, i realised you were probably using that syntax as a way of communicating wh...