Subset dataframe by multiple logical conditions of
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何处买醉
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Iwouldliketosubset(filter)adataframebyspecifyingwhichrowsnot(!)tokeepinthenewdataframe.Hereisasimplifiedsampledataframe: data v1v2v3v4 avdc avdd...
Using the HTML5 “required” attribute for a group o
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何处买醉
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: WhenusingthenewerbrowsersthatsupportHTML5(FireFox4forexample); andaformfieldhastheattributerequired=\'required\'; andtheformfieldisempty/blank; a...
How do I tell Gradle to use specific JDK version?
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何处买醉
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Ican\'tfigureouttogetthisworking. Scenario: Ihaveanapplicationbuiltwithgradle TheapplicationusesJavaFX WhatIwant Useavariable(definedperde...
Set value of textarea in jQuery
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何处买醉
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Iamattemptingtosetavalueinatextareafieldusingjquerywiththefollowingcode: $(\textarea#ExampleMessage\).attr(\value\,result.exampleMessage); The...
PHP DOMDocument loadHTML not encoding UTF-8 correc
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何处买醉
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: I\'mtryingtoparsesomeHTMLusingDOMDocument,butwhenIdo,Isuddenlylosemyencoding(atleastthatishowitappearstome). $profile=\<div><p>vario...