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30岁之后，程序员该向什么方向发展？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...机硕士毕业选择做前后端开发工程师，还是做机器学习等算法工程师？
晁振：
回答一下前端需要掌握什么技术。我的观点是一定要掌握最基础的，比如说html CSS，特别是html和CSS结构层和表现层的东西。如果你了解得比较深入...
What's the difference between the four File Results in ASP.NET MVC
...self here as a result of an interesting situation. We were delivering some pdf attachments via the MVC3/C# environment. Our code got released and we started getting some responses from our clients that the downloads were behaving strangely when they were using Chrome and the file type was being conv...
How to add \newpage in Rmarkdown in a smart way?
...```{r, echo=FALSE}
plot(1:10)
```
This solution assumes you are knitting PDF. For HTML, you can achieve a similar effect by adding a tag <P style="page-break-before: always">. Note that you likely won't see a page break in your browser (HTMLs don't have pages per se), but the printing layout...
Landscape printing from HTML
...
The final alternative I have found is to create a landscape version in a PDF. You can point to so when the user selects print it prints the PDF. However I could not get this to auto print work in IE7.
<link media="print" rel="Alternate" href="print.pdf">
In conclusion in some browsers it ...
Intelligent point label placement in R
... my solution to this problem:
I did this by hand in Preview (very basic PDF/image viewer on OS X) in just a few minutes. (Edit: The workflow was exactly what you'd expect: I saved the plot as a PDF from R, opened it in Preview and created textboxes with the desired labels (9pt Helvetica) and then...
【AI2+AI】人工智能舞姿识别App - 创客硬件开发 - 清泛IT社区，为创新赋能！
...教人工智能跳舞吗？”这引起了我们的思考。有没有一种算法来描述、识别或测量一种美妙的舞蹈？舞蹈动作可以量化和测量吗？人工智能可以帮助我们提高舞蹈技巧吗？在这个项目中，你将学习如何使用新的AI技术PoseNet来跟踪...
How do I conditionally apply CSS styles in AngularJS?
...}}">
and code
$scope.selectcss = function (data) {
if (data == '.pdf')
return 'circle circle-pdf';
else
return 'circle circle-small';
};
css
.circle-pdf {
width: 24px;
height: 24px;
font-size: 16px;
font-weight: 700;
padding-top: 3px;
-webkit...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
...原子操作、基于锁和无锁数据结构的构建，再扩展到并行算法、线程管理，最后还介绍了多线程代码的测试工作。
本书的附录部分还对C++11新语言特性中与多线程相关的项目进行了简要的介绍，并提供了C++11线程库的完整参考。...
EC2 instance types's exact network performance?
...and then gradually drop to the sustained levels above after a few minutes. PDF links to reports below:
t2.small (PDF)
t2.medium (PDF)
t2.large (PDF)
Note that these are within the same region - if you're transferring across regions, real performance may be much slower. Even for the larger instanc...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
...-bitmap"},
{"pct", "image/pict"},
{"pdb", "chemical/x-pdb"},
{"pdf", "application/pdf"},
{"pgm", "image/x-portable-graymap"},
{"pgn", "application/x-chess-pgn"},
{"pic", "image/pict"},
{"pict", "image/pict"},
{"png", "image/png"},
{"pnm", "image/x-portable-anymap...