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采花大盗速成秘籍之YQL - 人工智能(AI) - 清泛IT论坛，有思想、有深度
...手了，打开YQL Console，运行如下代码即可获得相关数据：select * from html
where url='http://www.dangdang.com/'
and xpath='//ul[@id="homepage_promotion_count_ul"]/li/p[@class="name"]/a'通过指定XPath，就能得到想要的数据，如果不熟悉XPath，...
mysql实现split分割字符串（length, SUBSTRING_INDEX, substring） - 爬虫/...
...符串，从pos起直到结束
以下通过一个例子查看效果：
SELECT SUBSTRING_INDEX(contentid, '-', 1) first, substring(contentid, 2+length(SUBSTRING_INDEX(contentid, '-', 1))) second, contentid FROM `table_xxx`复制代码
安卓中PrimaryColor、SecondaryColor、AccentColor的区别 - App Inventor 2...
...控件颜色，比如FloatingButton、TextField、Cursor、ProgressBar、Selection、Links等具体交互性的颜色。
附上Android Material设计图的Color说明
Linq 多字段排序，二次排序 - .NET(C#) - 清泛IT论坛，有思想、有深度
Linq：ordered = source.OrderByDescending( t => t.f1 ).ThenBy( t => t.f2 );
类似SQL：select * from t1 order by f1 desc ,f2 asc
这种写法里 OrderBy、ThenBy 是升序的，OrderByDescending、ThenByDescending 是降序的。
JavaScript property access: dot notation vs. brackets?
...t notation allows access to properties containing
special characters and selection of
properties using variables
Another example of characters that can't be used with dot notation is property names that themselves contain a dot.
For example a json response could contain a property called...
How do you get the rendered height of an element?
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This solution is better than the selected answer in most cases, since it is not relayent on JQuery
– mim
Jul 1 at 14:57
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Android RatingBar change star colors [closed]
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This should be the selected correct answer.
– Hampel Előd
Nov 29 '17 at 14:59
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How to force child div to be 100% of parent div's height without specifying parent's height?
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This should be the selected answer
– Gabriel
Apr 26 '18 at 13:33
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Get position/offset of element relative to a parent container?
...anything since ie9 reached EOL in January 2016, we have a standardised DOM selection in all major browsers, learn pure js. Also opinions about what framework to use have no place on SO, since it heavily depends on the project and target platform.
– Hans Koch
Ma...
How to make an introduction page with Doxygen
...e are multiple mainpage candidates, the first encountered while parsing is selected, or so it seems.
– Lester Peabody
Sep 3 '15 at 19:09
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