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Ruby custom error classes: inheritance of the message attribute
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StefanStefan
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What is the Scala identifier “implicitly”?
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208
Here are a few reasons to use the delightfully simple method implicitly.
To understand/trouble...
Get HTML5 localStorage keys
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in ES2017 you can use:
Object.entries(localStorage)
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How to get the absolute coordinates of a view
...as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this?
11 Answer...
地图组件（高德地图） · App Inventor 2 中文网
...应一个特定的URL。
默认高德地图简图模式：https://wprd01.is.autonavi.com/appmaptile?x={x}&y={y}&z={z}&style=7
可调整地图样式，变量说明如下：
域名前缀(wprd,webst)：效果一样，目前还没有找出规律。01 ~ 04 随意都可以，负载均衡用。
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Understanding Canvas and Surface concepts
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SabeehSabeeh
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C++ display stack trace on exception
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answered Mar 27 '09 at 22:55
Andrew GrantAndrew Grant
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Does PostgreSQL support “accent insensitive” collations?
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208
Use the unaccent module for that - which is completely different from what you are linking to.
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Is there a function that returns the current class/method name? [duplicate]
...e.Name;
– James Furey
Oct 17 '12 at 0:44
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What do to with respect to the "Possible System.NullRe...
How to get process ID of background process?
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605
You need to save the PID of the background process at the time you start it:
foo &
FOO_PID...