大约有 40,000 项符合查询结果(耗时:0.0310秒) [XML]

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Should I use px or rem value units in my CSS? [closed]

...u have to press Alt, and go to View, Text Size.) It's much easier to just select the Zoom option in the browser's main menu (or use Ctrl++/-/mouse wheel). 1 - within statistical error, naturally If we assume most users scale pages using the zoom option, I find relative units mostly irrelevant. I...
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致PHP路上的“年轻人” - PHP - 清泛IT社区,为创新赋能!

...段落的“过来人”,还是想写点东西给“年轻人”。关于如何成长?我直白的答案还是建议通过实践,通过项目来成长。虽然提倡多参加项目,但项目不能是乱七八糟的项目什么都去尝试做,对于刚工作的同学,希望做这两类项...
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count(*) vs count(column-name) - which is more correct? [duplicate]

... there is a performance difference (at least in MySQL) as well (see my answer). – nickf Jun 9 '10 at 7:51 1 ...
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Where can I set environment variables that crontab will use?

... This answer should get more upvotes and simply be the selected answer: Very simple and elegant and avoids countless kludges that would require jumping all over the system. – Giacomo1968 Dec 14 '18 at 4:42 ...
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Run/install/debug Android applications over Wi-Fi?

...> Wi-Fi ` and then long press the wifi which you are connected to. Then select Modify network config check on Show Advance Options and the scroll to `IP address – viper Jan 17 '17 at 7:50 ...
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提升大数据分析思想,拥抱大数据未来 - 资讯 - 清泛网 - 专注C/C++及内核技术

...务和世界范围内产生的数据。而所谓公司的麻烦是指,该如何正确利用这些数据——判断出哪些才是相关的、有用的,哪些是需要过滤掉的。最重要的是,哪些才是有助于推动业务发展的。” 因此,思想转变的第一步应是观察...
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PowerShell script to return versions of .NET Framework on a machine?

...ame Version,Release -EA 0 | Where { $_.PSChildName -match '^(?!S)\p{L}'} | Select PSChildName, Version, Release Based on the MSDN article, you could build a lookup table and return the marketing product version number for releases after 4.5: $Lookup = @{ 378389 = [version]'4.5' 378675 = [...
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How to implement a custom AlertDialog View

... This should have been selected as the Best Answer. – Salman Khakwani Dec 31 '13 at 9:31 2 ...
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?

...k around it from within psql by executing the DDL statement conditionally: SELECT 'CREATE DATABASE mydb' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'mydb')\gexec The manual: \gexec Sends the current query buffer to the server, then treats each column of each row of the query's outpu...
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Spring Boot: How can I set the logging level with application.properties?

...gure logging in a fine grained way. The --debug flag just switches on some selected Spring logging channels. – Dave Syer Dec 10 '13 at 7:54 ...