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...一套抓取规则肯定不行的，需要多个规则配合抓取。
5、html不完整，不完整就不能按照正常模式去扣取。这个时候用xpath肯定解析不了，我们可以先用htmlcleaner清洗网页后再解析。
6、 如果网站多起来，规则配置这个工作量也会...
How do I use regex in a SQLite query?
... operator:
WHERE x REGEXP <regex>
http://www.sqlite.org/lang_expr.html#regexp
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Running code in main thread from another thread
...erstand the basics:
http://developer.android.com/guide/components/services.html#Notifications
The method below may work in simpliest cases.
If I understand you correctly you need some code to be executed in GUI thread of the application (cannot think about anything else called "main" thread).
For...
Insert spaces between words on a camel-cased token [duplicate]
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@AviadP. Fails for acronyms, e.g. "HTMLGuide" → "H TML Guide"
– Matt
Sep 14 '15 at 23:10
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How can I force a long string without any blank to be wrapped?
...nts where you want to allow breaks. The zero-width space is &#8203; in HTML. For example:
ACTGATCG&#8203;AGCTGAAG&#8203;CGCAGTGC&#8203;GATGCTTC&#8203;GATGATGC
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Selecting empty text input using jQuery
...lue of the INPUT, instead of the "value" attribute specified in the source HTML.
So it's a clever way to check for empty text fields, but I think it relies on a behavior specific to the Sizzle engine (that of using the current value of the INPUT instead of the attribute defined in the source code)....
Get the size of the screen, current web page and browser window
...ze of browser viewport.
$(window).height();
$(window).width();
// Size of HTML document (same as pageHeight/pageWidth in screenshot).
$(document).height();
$(document).width();
For screen size you can use the screen object:
window.screen.height;
window.screen.width;
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How to escape double quotes in JSON
...le quotes \\\". This is because you're building your text string within an HTML <script> block, and the first double backslash inserts a single backslash into the string variable then the following backslash double quote inserts the double quote into the string so that the resulting script str...
How do I convert a string to enum in TypeScript?
...olorString];
https://www.typescriptlang.org/docs/handbook/advanced-types.html#index-types
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Inspecting standard container (std::map) contents with gdb
...ect STL containers for you:
http://sourceware.org/ml/gdb/2008-02/msg00064.html
However, I don't use this, so YMMV
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