1) If you XOR a bit with its own negated value, you will always get 1. Therefore thesolution to a ^ (~a)  will be the sequence of 1s. consider a is of data-type byte. example: a = 00000001 ~a  = 11111110 Now a ^ (~a) = 11111111 2) An operation like x…

做了几个基于Flash平台的3D的项目,一路走来收获颇多.Away3D作为一个开源的Flash3D引擎,在3D页游领域,无疑是当前OGRE在国内的地位. 翻译出了多年前做Away3D中国社区的时候翻译的一篇文章,以此记录这段难忘的经历! 什么是Away3D?(What is Away3D?) Away3D是一个开源的,基于Flash平台的实时3D引擎.这个项目最初是由Alexander Zadorozhny和 Rob Bateman 在2007年开始的.没想到这一发就不可收拾.下面是一些Away…

Awesome系列的.Net资源整理.awesome-dotnet是由quozd发起和维护.内容包括:编译器.压缩.应用框架.应用模板.加密.数据库.反编译.IDE.日志.风格指南等. 算法与数据结构(Algorithms and Data structures) Algorithmia - Algorithm and data-structure library for .NET 3.5 and up. Algorithmia contains sophisticated algorithms…

原文地址:http://fsharpforfunandprofit.com/why-use-fsharp/ Why use F#?Why you should consider using F# for your next project 为什么要用F#?为什么你应该考虑在下一个项目使用F# Although F# is great for specialist areas such as scientific or data analysis, it is also an excellent…

The major advancements in Deep Learning in 2016 Pablo Tue, Dec 6, 2016 in MACHINE LEARNING DEEP LEARNING GAN Deep Learning has been the core topic in the Machine Learning community the last couple of years and 2016 was not the exception. In this arti…

The play.libs package contains several useful libraries that will help you to achieve common programming tasks. Most of these libraries are simple helpers that are really straightforward to use: Codec: Utilities to encode and decode data. Crypto: Cry…

来源于: Learning jQuery, 4th Edition What jQuery does: 1. Access elements in a document; $('div.content').find('p'); 2. Modify the appearance of a web page; $('ul>li:first').addClass('active'); 3. Alert the content of a document; $('#container').append(…

YAML何许物也?在XML泛滥的情况下,YAML的出现的确让人眼前一亮,在初步学习了YAML以后,粗略的总结了一下,拿出来和大家分享.[MindMap][参考文档]YAML Specification YAML 数据类型说明[摘要]YAML的设计目的YAML描述: [注释, 文档, 数据结构, 数据类型, 其他] YAML的设计目的1.容易人类阅读2.适合表示程序语言的数据结构3.可用于不同程序间交换数据4.支持泛型工具5.支持串行处理?6.丰富的表达能力和可扩展性7.易于使用粗看了specif…

原文地址:http://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html Overview Purpose This tutorial covers the basics of how Garbage Collection works with the Hotspot JVM. Once you have learned how the garbage collector functions, lear…

http://www.cnblogs.com/chwkai/archive/2009/03/01/249924.html 1 概念YAML是一种人们可以轻松阅读的数据序列化格式,并且它非常适合对动态编程语言中使用的数据类型进行编码.YAML是YAML Ain't Markup Language简写,和GNU("GNU's Not Unix!")一样,YAML是一个递归着说“不”的名字.不同的是,GNU对UNIX说不,YAML说不的对象是XML.YAML不是XML.它可以用作数据序列,配…

Mobile Android SDK: Working with Picasso View Debugging in Xcode 6 5 Common C# tasks in Apple Swift Programming Language Beyond JSON: Spearal Serialization Protocol for iOS .NET IDisposable: What Your Mother Never Told You About Resource Deallocation…

1.8.2016 Royal trumpeters heralded the beginning of the annual ceremony, as Norway's royal family and this year's Nobel laureates entered the hall. The Nobel Committee chose the three women for their activism in the cause of peaceful change in their…

一.思路 现在一台机器上编译安装好nginx.打包,然后在用ansible去下发 cd /etc/ansible 进入ansible配置文件目录 mkdir roles/{common,install}/{handlers,files,meta,tasks,templates,vars} –pv 目录说明: roles目录下面有两个角色,common为一些准备操作,install为安装nginx的操作.每个角色下面又有几个目录,handlers下面是当前发生改变时要执行的操作,通常用在配置文件发…

Awesome Python  A curated list of awesome Python frameworks, libraries, software and resources. Inspired by awesome-php. Awesome Python Environment Management Package Management Package Repositories Distribution Build Tools Interactive Interpreter Fi…

Machine and Deep Learning with Python Education Tutorials and courses Supervised learning superstitions cheat sheet Introduction to Deep Learning with Python How to implement a neural network How to build and run your first deep learning network Neur…

http://www.codemachine.com/courses.html#kerdbg Windows Kernel Internals for Security Researchers This course takes a deep dive into the internals of the Windows kernel from a security perspective. Attendees learn about behind the scenes working of va…

The first thing we should consider is that the workflow of figure 1.4 still obeys the sim- pler MVC view of the framework that we saw earlier. In the figure, the FilterDispatcher has already done its controller work by selecting the appropriate actio…

Bits Facts and Tricks x ^ 0s =  x x & 0s =  0 x | 0s = x x ^ 1s = ~x x & 1s = x x | 1s = 1s x ^ x = 0 x & x = x x | x = x Common Bit Tasks:  Get, Set, Clear And Update Get:  num & (1 << i) != 0 Set: num | (1 << i) Clear: clear…

Posted by Ajitesh Kumar / In Java / June 6, 2014 http://vitalflux.com/eclipse-key-shortcuts-greater-developers-productivity/ The article presents Eclipse Key Shortcuts (for Windows) which could be used to perform most common coding tasks in a much ef…

There are numerous ways to customize how Robolectric behaves at runtime. Config Annotation The primary way to customize Robolectric is done via the @Config annotation. The annotation can be applied to classes and methods, with the values specified at…

The jQuery library provides a general-purpose abstraction layer for common web scripting, and is, therefore, useful in almost every scripting situation. Its extensible nature means that we could never cover all possible uses and functions in a single…

As REST has become the default for most Web and mobile apps, it's imperative to have the basics at your fingertips. More than a decade after its introduction, REST has become one of the most important technologies for Web applications. Its importance…

A curated list of awesome Delphi frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff. Note that only open-source projects are considered. Dead projects are mainly ignored except for those which do not have alive analogs.…

Awesome Delphi  A curated list of awesome Delphi frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff. Note that only open-source projects are considered. Dead projects are mainly ignored except for those which do not hav…

Working with forms About this document This document provides an introduction to Django’s form handling features. For a more detailed look at specific areas of the forms API, see The Forms API, Form fields, and Form and field validation. django.forms…

原文 Installing IIS 8.5 on Windows Server 2012 R2 Introduction This document describes how to install Internet Information Services (IIS) 8.5 on Windows Server® 2012 R2. IIS is the Web server role in Windows Server 2012 R2. The Windows Server 2012 R2 o…

http://wiki.openwrt.org/doc/devel/patches 中文文档:http://andelf.diandian.com/post/2013-05-22/40050677370 首先,如果我们的补丁是一个文件的话,可以将它们放置在openwrt/target/下面,这儿的文件一般情况下就是直接拷贝到build_dir中适当地地方去了,如下图. 而使用quilt制作的补丁文件,则是在需要修改一些Makefile或者Kconfig或者不是自己独有的文件情况下才需要的.…

摘要: 1 Django是一个开放源代码的Web应用框架,由Python写成.采用了MVC的软件设计模式,即模型M,视图V和控制器C.模型即后端逻辑,视图就是url对应的前端展示 2本文简介了使用模型和视图搭建一个网站的例子. Django at a glance Because Django was developed in a fast-paced newsroom environment, it was designed to make common Web-development tas…

--- - hosts: testhost   user: root   gather_facts: True   tasks:     - name: use when       shell: touch /tmp/when.txt       when: facter_ipaddress == "172.7.15.106"   Ansible playbook中的handlers 执行task之后,服务器发生变化之后要执行的一些操作,比如我们修改了配置文件后,需要重启一下服务  …

  Examining ADF Business Components New Features Purpose In this tutorial, you create a series of simple ADF business services scenarios in JDeveloper 11g. This is intended as a light introduction to some of the new ADF BC functionality in Release 11…