你还可以自己设置诸如每次显示的条目数、更新间隔、内容筛选法则等。
You can configure options such as the number of items to fetch per feed, update interval and the content extraction method.
其他你可以设置的选项有捕获时间（更新间隔）以及订阅条目的名称。
Other options that you can configure include the caching time (the update interval) and the feed name.
明显的解决方案是，只要滑块的最大值被更新，就在水平滑块上简单地设置刻度间隔，如清单3所示。
The obvious solution would be simply to set the tick spacing on the horizontal slider whenever its maximum value is updated, as shown in Listing 3.
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