Greenland's icy mountains are not an obvious place to search for an archive of economic history, but a study just published in the Proceedings of the National Academy of Sciences shows that they provide one. Joseph McConnell of the Desert Research In…

转自:https://medium.com/@mccode/understanding-how-uid-and-gid-work-in-docker-containers-c37a01d01cf Understanding how usernames, group names, user ids (uid) and group ids (gid) map between the processes running inside a container and the host system is…

Pushing state-of-the-art in 3D content understanding 2019-10-31 06:34:08 This blog is copied from: https://ai.facebook.com/blog/pushing-state-of-the-art-in-3d-content-understanding/ In order to interpret the world around us, AI systems must understan…

Zeroc ICE ( Internet Communications Engine )中间件号称标准统一,开源,跨平台,跨语言,分布式,安全,服务透明,负载均衡,面向对象,性能优越,防火墙穿透,通讯屏蔽.https://zeroc.com/ 该中间件在跨语言集成时比较方便,如下就是在JAVA C++之间交互时,启用ssl通讯的设置 1. 证书生成 ICE提供申请证书的脚步,通过ICE脚本,可生成所需的证书.进入Ice-3.5.1/cpp/src/ca目录. 1.1. 生成根证书,输入证书相关信…

Ancient Printer Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 1803 Accepted Submission(s): 887 Problem DescriptionThe contest is beginning! While preparing the contest, iSea wanted to print the…

  Deliverables and artifacts were a focal point of BA work during the early part of my career. If I look back, it seemed the primary purpose of a BA was to generate paper—lots of paper—usually in the form of a giant BRD (business requirements documen…

简述 我们都知道无法通过delete关键字针对变量和函数进行操作,而对于显示的对象属性声明却可以进行,这个原因需要深究到js的实现层上去,让我们跟随 Understanding delete 来探究一番,另外本文并不考虑浏览器的兼容性实现问题. 理论 为什么我们可以这样: var o = { x: 1 }; delete o.x; // true o.x; // undefined 却无法这样 var x = 1; delete x; // false x; 其实,这要涉及到执行上下文的概念,而…

  Culture Insider: Teacher's Day in ancient China 2016-09-10 CHINADAILY Today is the 32nd Chinese Teacher's Day – a festival celebrating the 2,300-year tradition of respecting teachers and education in China. It's similar to the birthday of Confucius…

1.linux find export find /Applications/Xcode.app/ -name symbolicatecrash -type f export DEVELOPER_DIR="/Applications/Xcode.app/Contents/Developer" 2.symbolicatecrash http://www.cnblogs.com/ningxu-ios/p/4141783.html 3.AURenderCallbackStruct AURen…

Life Cycle of Thread – Understanding Thread States in Java 深入理解java线程生命周期. Understanding Life Cycle of Thread and Thread States are very important when you are working with Threads and programming for multi-threaded environment. 理解线程的生命周期很重要滴,当你在你的程序…

D. New Year and Ancient Prophecy time limit per test 2.5 seconds memory limit per test 512 megabytes input standard input output standard output Limak is a little polar bear. In the snow he found a scroll with the ancient prophecy. Limak doesn't know…

http://blogs.msdn.com/b/ntdebugging/archive/2010/06/22/part-3-understanding-pte-non-pae-and-x64.aspx Hello, Ryan Mangipano (ryanman) again with part three of my series on understanding the output of the !PTE command. In this last installment I'll con…

Arctic Network Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 17758   Accepted: 5646 Description The Department of National Defence (DND) wishes to connect several northern outposts by a wireless network. Two different communication tec…

Understanding the Internal Message Buffers of Storm Jun 21st, 2013 Table of Contents Internal messaging within Storm worker processes Illustration Detailed description Worker processes Executors Where to go from here How to configure Storm's internal…

第一步,基于Windows下的安装,所以下载windows版的Ice,官网最新版本是Ice3.5.1: http://www.zeroc.com/download/ 安装完成可以在vs-工具的最下面看到ice configuration 第二步,安装Ice: 常规安装即可,可以选择安装目录,本次安装是在G:\Ice 第三步,设置Ice的环境变量: 主要有环境变量需要设置:path.classpath.ICE_HOME 例如: path:G:\Ice\bin; classpath:G:\Ice\l…

忙了三天,总算浏览完此书.藉此记下 Ice 的 IceBox 服务框架. 在此用 IceBox 框架写 Hello World 程序,即以载体来体现其特性. 第一步:编写 Slice 文件,映射生成 hello.h && hello.cpp. // hello.ice module Demo { interface print { void stringPrint(string s); }; }; 第二步:服务器端,将服务的组件放入动态库. {打印} // helloI.h #includ…

摘自: http://weibo.com/p/1001603869896789339575 原文地址: http://www.oschina.net/question/865233_242146 吴治辉,@mycat,拥有超过 15 年的软件研发经验,精通 Java 编程,专注于电信软件和云计算方面的软件研发,参与过众多与分布式.云计算相关的大型项目的架构设计和编程,具备丰富的大型项目架构设计经验,是业界少有的具备很强编程能力的S级资深架构师,目前就职于惠普.此外,他还是国内知名开源分布式数据库…

webRTC支持点对点通讯,但是webRTC仍然需要服务端:  . 协调通讯过程中客户端之间需要交换元数据,    如一个客户端找到另一个客户端以及通知另一个客户端开始通讯.  . 需要处理NAT(网络地址转换)或防火墙,这是公网上通讯首要处理的问题.    所以我们需要了解服务端相关的知识:信令.Stun.trun.ice. 一.什么是信令 信令就是协调通讯的过程,为了建立一个webRTC的通讯过程,客户端需要交换如下信息:  . 会话控制信息,用来开始和结束通话,即开始视频.结束视频这些操作…

1.下载安装Ice-3.5.1.msi http://www.zeroc.com/download.html 2.添加安装路径到环境变量path,D:\Program Files (x86)\ZeroC\Ice-3.5.1\bin\vc110 3.编写一个ice文件,可以用文件编辑器 module MCal{ interface Cal { int add(int num1,int num2); int sub(int num1,int num2); };}; 4.用cmd工具编译成特定语言,如…

相关介绍资料如下: Boost编译http://sourceforge.net/projects/boost/files/boost/1.55.0/boost_1_55_0.tar.gz/download 下载文件http://www.boost.org/users/history/version_1_55_0.html 官方对于clang的说明情况关于clang的验证Linux:Clang: 3.3, 3.2, 3.1, 3.0如上可见,这个官方已经验证过 ICE编译http://www.ze…

Source: verysmartbrothas.com It has been confusing since my first day as a PhD student about theory and its relationships with science, and other interchangeable concepts such as models, hypothesis and conceptual framework. Now I am beginning to get…

Ancient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in encrypted form to prevent eavesdropping. The most popular ciphers…

Ice是一种面向对象的中间间平台,入门ice,简单的HelloWorld是必不可少的. 转载请注明http://www.cnblogs.com/zrtqsk/p/3745286.html,谢谢. 一.写一个ice定义 ice用来定义接口.程序骨架的,方便远程调用.首先我们要使用ice专属的slice语言写一个ice定义.如下: file_name:HelloWorld.ice module myHelloWorld{ interface HelloWorld{ void say(string s…

在开始正文之前,请帮忙为当前 排名前 10 唯一的 .Net 开源软件 FineUI  投一票: 投票地址: https://code.csdn.net/2013OSSurvey/gitop/codevote/vote_num 目前排名前 10 ,只有 FineUI 是 .Net 项目,也希望大家能够多多支持这唯一的 .Net 项目!!!!! ======================= --> 可能是最近在参加 CSDN 举行的那个评选,FineUI 论坛吸引了一大批围观群众,也吸引了一些黑…

http://colah.github.io/posts/2014-07-Understanding-Convolutions/ Posted on July 13, 2014 neural networks, convolutional neural networks, convolution, math, probability In a previous post, we built up an understanding of convolutional neural networks,…

转自:http://wenda.chinabaike.com/b/38322/2013/1103/614756.html 一.ICE产生的背景 基于信令协议的多媒体传输是一个两段式传输.首先,通过信令协议(如SIP)建立一个会话连接,通过该连接,会话双方(Agent)通过SIP交互所承载的SDP消息彼此学习传输媒体时所必须的信息,针对媒体传输机制达成共识.然后,通常采用RTP协议进行媒体传输. 基于传输效率的考虑,通常在完成第一阶段的交互之后,通信双方另外建立一条直接的连接传输媒体.这样就会减少…

Apache Kafka is an attractive service because it's conceptually simple and powerful. It's easy to understand writing messages to a log in one place, then reading messages from that log in another place. This simplicity not only allows for a nice sepa…

1249. Ancient Necropolis Time limit: 5.0 secondMemory limit: 4 MB Aerophotography data provide a bitmap picture of a hard-to-reach region. According to the suggestions of scientists, this region is a cemetery of an extinct civilization. Indeed, the p…

Ancient Go Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 577    Accepted Submission(s): 213 Problem Description Yu Zhou likes to play Go with Su Lu. From the historical research, we found that…

一:打印机 1.Slice定义: interface Printer { void printString(string s); }; 我们的Slice定义含有一个接口,叫作Printer.目前,我们的接口非常 简单,只提供了一个操作,叫作printString.该定义保存为Printer.ice 2.要创建我们的C++应用,第一步是要编译我们的Slice定义,生成C++代理和骨架.在UNIX上,你可以这样编译定义: $ slice2cpp Printer.ice slice2cpp编译器根据这…