大约有 38,282 项符合查询结果(耗时:0.0197秒) [XML]

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What is the best collation to use for MySQL with PHP? [closed]

...ng characters in the language) and performance. The only special one is utf8_bin which is for comparing characters in binary format. utf8_general_ci is somewhat faster than utf8_unicode_ci, but less accurate (for sorting). The specific language utf8 encoding (such as utf8_swedish_ci) contain additi...
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Controlling maven final name of jar artifact

... 8 Answers 8 Active ...
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Linux 搭建NTP时间同步服务器 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...步化,从而达到时间统一。配置环境及要求:A、 假设10 8 9 0 NTP服务器【Network Time Protocol(NTP】是用来使计算机时间同步化的一种协议,NTP服务器可以对其它服务器做时间同步化,从而达到时间统一。 配置环境及要求: A、 ...
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通过API获取IP信息、IP归属地 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...。一、淘宝API接口:http://ip.taobao.com/service/getIpInfo.php?ip=8.8.8.8 {"code":0,"data":{"country":"\u7f8e\u56fd","country_id":"US","area":"","area_id":"","region":"","region_id":"","city":"","city_id":"","county":"","county_id":"","isp":"","isp_id":"","ip":"8.8.8.8"}} 注意:返回...
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Debian/Linux下安装OpenJDK8 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

Debian/Linux下安装OpenJDK8linux_install_openjdk8因为Debian11的源里不再带OpenJDK8了,需要手工来安装。下载安装包因为手工安装,所以部分依赖包需要自己下载。wget http: snapshot debian org archive debian-security 202202 因为Debian11的源里不再带Open...
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Check if Key Exists in NameValueCollection

... 184 From MSDN: This property returns null in the following cases: 1) if the specified key ...
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RegEx to exclude a specific string constant [duplicate]

... John Albietz 6588 bronze badges answered Sep 8 '09 at 17:28 Daniel BrücknerDaniel Brückner ...
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Multiple linear regression in Python

...model.LinearRegression() clf.fit([[getattr(t, 'x%d' % i) for i in range(1, 8)] for t in texts], [t.y for t in texts]) Then clf.coef_ will have the regression coefficients. sklearn.linear_model also has similar interfaces to do various kinds of regularizations on the regression. ...
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WKWebView not loading local files under iOS 8

For previous iOS 8 betas, load a local web app (in Bundle) and it works fine for both UIWebView and WKWebView , and I even ported a web game using the new WKWebView API. ...
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PermGen elimination in JDK 8

I have installed JDK 8 and trying to run Eclipse. I am getting following warning message: 6 Answers ...