大约有 800 项符合查询结果(耗时:0.0179秒) [XML]

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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术

... IT技术 |  IT专题 |  iLife document.write('')rss|  网站导航 清泛网 关于我们 免责申明 联系我们 手机版   IT搜索 下载栏目 图片栏目 网站地图 IT技术 C/C++ 开源 & Github 数据库(内核) 大数据 & AI 其他 I...
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What are the most-used vim commands/keypresses?

...start of file; G end of file 123G go to specific line number By marker: mx set mark x; 'x go to mark x '. go to position of last edit ' ' go back to last point before jump Scrolling: ^F forward full screen; ^B backward full screen ^D down half screen; ^U up half screen ^E scroll one line up; ^...
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网

...vity.java VirtualActivity 比 PanoramaActivity 复杂得多。它依赖于官方 Cardboard SDK 和 Jmini3d 3D 引擎。之所以选择此引擎,是因为它的简单性、精心设计的 API 和完整的 Android 集成。然而,在开发过程中,我们遇到了几个与资源文件夹严格...
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How to explore web-based Google Play in another country?

...Malta https://play.google.com/?gl=mu Mauritius https://play.google.com/?gl=mx Mexico https://play.google.com/?gl=md Moldova https://play.google.com/?gl=ma Morocco https://play.google.com/?gl=mz Mozambique https://play.google.com/?gl=na Namibia https://play.google.com/?gl=np Nepal https://play.google...
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Regular expression to match DNS hostname or IP Address?

...Y|MA|MC|MD|ME|MG|MH|MIL|MK|ML|MM|MN|MO|MOBI|MP|MQ|MR|MS|MT|MU|MUSEUM|MV|MW|MX|MY|MZ|NA|NAME|NC|NE|NET|NF|NG|NI|NL|NO|NP|NR|NU|NZ|OM|ORG|PA|PE|PF|PG|PH|PK|PL|PM|PN|PR|PRO|PS|PT|PW|PY|QA|RE|RO|RS|RU|RW|SA|SB|SC|SD|SE|SG|SH|SI|SJ|SK|SL|SM|SN|SO|SR|ST|SU|SV|SY|SZ|TC|TD|TEL|TF|TG|TH|TJ|TK|TL|TM|TN|TO|TP|...
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BLE(二)信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区,...

...的Service打包后的集合,如电池、心率、血压等,可参照官方Profiles Overview,对分析并无大用。 Service和Characteristic则是比较重要的,Service可以理解为PHP中的“类”、功能对象的集合。Characteristic可以理解为PHP的“函数”,是GATT中...
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What are Runtime.getRuntime().totalMemory() and freeMemory()?

...d by freeMemory. In reference to your question, maxMemory() returns the -Xmx value. You may be wondering why there is a totalMemory() AND a maxMemory(). The answer is that the JVM allocates memory lazily. Lets say you start your Java process as such: java -Xms64m -Xmx1024m Foo Your process st...
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技术人员如何去面试? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...式的问题,就是有明确结果的。比如问你:如何优化一个网站的性能?这种就是一个开放式问题,你可以任何角度或者维度去分析这个问题。 一般问你封闭式的问题,主要是考察你对技术点,技术细节的记忆背诵能力,一般如果...
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Can (domain name) subdomains have an underscore “_” in it?

... name and a hostname: ...[the fact that] any binary label can have an MX record does not imply that any binary name can be used as the host part of an e-mail address... So underscores in hostnames are a no-no, underscores in domain names are a-ok. In practice, one may well see hostnames with...
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...关于性能优化的优质博文网上也还是有很多的,譬如Google官方都已经推出了优化专题,我这里只是总结下自的感悟而已,若有得罪欢迎拍砖,我愿挨打,因为我之前工作的一半时间都是负责性能优化)。 当然了,本文不会就此...