scrapyssh连接远程服务器
What is Perl's secret of getting small code do so much?
I\'ve seen many (code-golf) Perl pr开发者_JAVA技巧ograms out there and even if I can\'t read them (Don\'t know Perl) I wonder how you can manage to get such a small bit of code to do what would take 2[详细]
2022-12-26 16:37 分类：问答两匹空调多少钱啊？一般2匹的家用空调多少钱？
乐优谷食品 2022-04-24 15:12 1匹是0.735kw，两匹是1.47KW，1470/220=6.68A，家用空调2匹是7A左右。空调机种类较多，但多数都是采用窗式机型。功能有单项制冷和制冷制热两用。规格按制冷/热量来划分，每小[详细]
2022-12-24 01:34 分类：问答Loop each x elements
What is the best way to show a list with 20 images 开发者_如何学JAVAin rows of 5? Or, in other words, how do I clean up this ugly snippet?[详细]
2022-12-23 22:45 分类：问答Hide ticks at Min and Max in WPF Slider
I want to display a Slider ranging from 0.5 to 1.5 with only one tick mark at 1.0 to mark the center and default value. I have defi开发者_如何学Pythonned a Slider as follows:[详细]
2022-12-22 22:25 分类：问答How do I actually use Authorization Services?
I\'ve been searching and experimenting for nearly four hours now, so I\'m gonna just ask straight up:[详细]
2022-12-22 20:56 分类：问答Splitting large XML files into manageble sections for Hadoop
Is there a inp开发者_运维知识库ut class to deal with [multiple] large XML files based on their tree structure in Hadoop? I have a set of XML files that are of the same schema, but I need to split them[详细]
2022-12-21 17:13 分类：问答Callback functions in C++
In C++, when and how do you use a callback function? EDIT: I would like to see a s开发者_如何学编程imple example to write a callback function.Note: Most of the answers cover function pointers which i[详细]
2022-12-21 03:41 分类：问答How do I troubleshoot boost library/header inclusion via autoconf/automake?
I\'m new to autom4te, and I\'m trying to use autoconf/automake to build and link a C++ program on multiple architectures. Complicating the linking is the fact that the project requires boost (filesyst[详细]
2022-12-20 01:47 分类：问答How can I produce a select tag using JSTL or Standard Actions in a JSP
I want to make a se开发者_开发问答lect tag in a JSP, where the options are an Enumeration (for example, all US States).Is their a tag in JSTL or a standard tag that can do this, without manually itera[详细]
2022-12-19 14:35 分类：问答
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