Python Progress Bar
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孤独总比滥情好
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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: HowdoIuseaprogressbarwhenmyscriptisdoingsometaskthatislikelytotaketime? Forexample,afunctionwhichtakessometimetocompleteandreturnsTruewhendone.H...
What is the maximum length of a valid email addres
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孤独总比滥情好
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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: Whatisthemaximumlengthofavalidemailaddress?Isitdefinedbyanystandard? 回答1: Anemailaddressmustnotexceed254characters. ThiswasacceptedbytheIETFfol...
Preparing for removal of Mcrypt in PHP 7.2
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孤独总比滥情好
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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: SoastimemovesonmcryptwillgoinPHP7.2. Ofcoursethereisanalternative:openssl. Ifinditdifficulttoswitchfrommcrypttoopenssl,usingAES256CBCandpreservi...
Dynamic where clause (OR) in Linq to Entities
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孤独总比滥情好
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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: IntheposthereIlearnedhowtobuildadynamicqueryusingthedeferredexecutionofLinq.ButthequeryisactuallyusinganANDconcatenationoftheWHEREcondition. How...
Disabling Back button on the browser [closed]
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孤独总比滥情好
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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: Iamwritinganapplicationthatiftheuserhitsback,itmayresendthesameinformationandmessuptheflowandintegrityofdata.HowdoIdisableitforuserswhoarewithand...