大约有 4,000 项符合查询结果（耗时：0.0184秒） [XML]
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...机端浏览也是这个情形）。我查看了一下12306首页的需要下载的总文件大小大约在900KB左右，如果你访问过了，浏览器会帮你缓存很多，只需下载10K左右的文件。但是我们可以想像一个极端一点的案例，1百万用户同时访问，且都...
How to encode the filename parameter of Content-Disposition header in HTTP?
... a comma (,) in the filename, e.g. Content-Disposition: filename="foo, bar.pdf". The result is that firefox downloads the file correctly but keeps the .part extension (e.g foo,bar.pdf-1.part). Then, of course the file won't open correctly because the application is not associated with .part. Other A...
Why can't I have “public static const string S = ”stuff"; in my Class?
...
From the C# language specification (PDF page 287 - or 300th page of the PDF):
Even though constants are considered
static members, a constant
declaration neither requires nor
allows a static modifier.
...
Is functional GUI programming possible? [closed]
...he technique and the decisions: conal.net/papers/genuinely-functional-guis.pdf I have been doing purely functional GUI programming in this style for a few months now. I LOVE it, it is such a pleasant relief from the spaghetti hell of imperative UI programming, which seems to be worse in this respe...
Finding all cycles in a directed graph
...owing link:
http://www.cs.tufts.edu/comp/150GA/homeworks/hw1/Johnson%2075.PDF
A java implementation can be found in:
http://normalisiert.de/code/java/elementaryCycles.zip
A Mathematica demonstration of Johnson's algorithm can be found here, implementation can be downloaded from the right ("Downl...
CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...须的，切记！
首先我们把PHP和PHP-FPM下载到同一目录下，此次用的为php-5.3.0.tar.bz2和php-5.3.0-fpm-0.5.12.diff.gz，下载到了同一目录下
#tar xvf php-5.3.0.tar.bz2
#gzip -cd php-5.3.0-fpm-0.5.12.diff.gz | patch -d php-5.3.0 -p1 ...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
... Paperclip will also throw "Missing Required Validator Error" in case of PDF file upload. The workaround for that is: First install the "GhostScript" and then add "application/pdf" to content-type.
– HackerKarma
Mar 10 '14 at 15:41
...
地图组件（高德地图） · App Inventor 2 中文网
...置的中心。
属性
自定义URL
支持XYZ格式的地图URL。XYZ格式是一种瓦片地图服务，将地图分成无数个小块，每个块对应一个特定的URL。
默认高德地图简图模式：https://wprd01.is.autonavi.com/appmaptile?x={x}&y={y}&...
2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...端后端会经过不同的存储或者平台，每个平台都有自己的格式，如果没有一个unified log，会出现灾难型的O(m*n)的数据对接复杂度，如果你设定的格式一旦发生变化，也是要修改所有相关的。所以这里提出的中间桥梁就是Kafka，大...
How do I upload a file with metadata using a REST web service?
...8029299
Content-Disposition: form-data; name="name"; filename="myfilename.pdf"
Content-Type: application/octet-stream
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