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京东618：算法让UV价值提升200%+，用智能卖场缩短购物路径 - 更多技术 - 清...
...计划、智慧物流、智慧数据等多种产品形态，对京东现有系统，从架构层的基础设施、数据平台、计算分析，到业务层的精准营销、智慧选品、个性化投放、智慧物流等方面，进行有效渗透及优化，最终形成在计算能力和数据质...
技术人员如何去面试？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...更精确了解面试官想通过这道题目考查你的实战能力还是系统知识组织能力。
封闭问题回答就是知道就描述清晰就行了，不用啰嗦说很多没用的，如果不知道就明确表示不知道就好了。开放式问题，回答方式和策略就很多，一...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...放控制
【唤醒】KeepAwake 保持唤醒扩展：防止App被操作系统停用
【唤醒】WakeLock 扩展：保持设备唤醒扩展，防止系统休眠和电池优化
【手势识别】GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势
【图片缩放】...
离线版启动超时，有报错日志 - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
web服务启动报错：
Picked up JAVA_TOOL_OPTIONS: "-Dfile.encoding=UTF-8"
Executing [D:\appinventor\AppInventor2\resources\app.asar.unpacked\OpenJDK\bin\java, --add-opens=java.base/java.lang=ALL-UNNAMED, -Xmx4G, --add-opens, java.base/java.net=ALL-UNNAMED, --add-opens, java.base/sun.ne...
How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
...th, day, hours, minutes, seconds and milliseconds of the current moment in Java? I would like to have them as Strings .
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...午 com.google.appengine.tools.development.ApiProxyLocalImpl log
严重: javax.servlet.ServletContext log: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract long com.google.appinventor.shared.rpc.project.ProjectService.s...
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
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"unknown" – Unknown JVM
As described in the HotSpot FAQ:
When writing Java code, how do I distinguish between 32 and 64-bit operation?
There's no public API that allows you to distinguish between 32 and 64-bit operation. Think of 64-bit as just another platform in the write once, run anywhere t...
How do I time a method's execution in Java?
...y, its "new-fashioned" because you used nanoTime, which wasn't added until java5
– John Gardner
Oct 7 '08 at 22:26
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如何设置中文.中国 的中文域名解析和中文域名绑定？ - 更多技术 - 清泛网 -...
...管理后台添加 中文.中国 ，比如添加 学生电脑.中国 时，系统提示只能绑定.com .cn .net等域名后缀，偏偏就没有允许添加.xn--fiQs8S 的后缀的话，请联系空间服务商解决，向他们说明 .中国 转换为punycode后的后缀是 .xn--fiQs8S ，为了 ...
What is the difference between canonical name, simple name and class name in Java Class?
In Java, what is the difference between these:
8 Answers
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