...开源的跳板机(堡垒机)系统，实现了跳板机应有的功能。基于ssh协议来管理，客户端无需安装agent。 支持常见系统: CentOS, RedHat, Fedora, Amazon Linux Debian SUSE, Ubuntu FreeBSD 其他ssh协议硬件设备说明视频： 用户管理： http://v.youku.co...

...究竟是怎么做出来的呢？使用易企秀，你也可以轻松制作基于H5手机幻灯片页面。它有多种动态模板，能实现文本和图片的滑动、隐现、放大缩小等动态效果。易企秀还与主流社会化媒体打通，方便了内容的分享与传播。 易企...

...xt/css css text/h323 323 text/html htm text/html html text/html stm text/iuls uls text/plain bas text/plain c text/plain h text/plain txt text/richtext rtx text/scriptlet sct text/tab-separated-values tsv text/webviewhtml htt text/x-component htc text/x-setext etx text/...

... do it, but only the object reference in the ref itself is governed by the STM - not the referred object and its fields (unless they are immutable and point to other refs). So whenever possible, prefer to only immutable objects in refs. Same thing goes for atoms. ...

... et al. by 63% to 224%, and a RBT that uses software transactional memory (STM) by 13 to 134 times EDIT to add: Pugh's lock-based skip list, which was benchmarked in Fraser and Harris (2007) "Concurrent Programming Without Lock" as coming close to their own lock-free version (a point amply insiste...

...本文试做分析，以供用户/开发者参考。 本文的分析基于Windows平台下的 FreeMind 0.90 RC3 和 XMind 3.03，结合笔者的使用经验，也包括XMind开发者所提供的信息。基本结论是：总体看，XMind 已超越 FreeMind；个别方面，FreeMind 值得 XMi...

...anguage in the LISP family, it's also dynamically typed. Features such as STM support give it some of the best out-of-the-box concurrency support, whereas Scala requires a 3rd-party library such as Akka to duplicate this. Syntactically, it's also the furthest of the three languages from typical Ja...

...个例子是Paypal.Paypal 是一个著名的公司，它的用户增长是基于eBay实现的。当时事情是这样的，如果我在eBay上卖东西给某个人，我会说“嘿，我想要你通过Paypal付款”，然后这个人(可能)会回答“好呀”。当这个人下次在eBay上买...

...输） MQTT 发明于 1999 年，为物联网设计的轻量级协议，基于TCP协议实现。 MQTT 协议文档：https://mqtt.org/ 虽然 App Inventor 有现成的 MQTT 扩展，但它们需要额外的 JavaScript 或外部配置文件。此处介绍的 MQTT 客户端组件完...

...App Inventor 扩展或组件的底层代码。虽然 App Inventor 本身是基于图形化编程，但有些高级功能或自定义组件的开发可能需要直接编写 Scheme 代码。 扩展开发：在 App Inventor 中，如果开发者想要创建自定义的扩展（比如新的组件或者...