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常用快速产品原型设计工具推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... Prize大奖第一名，后来发布了独立软件。这款手绘风格的开源原型设计工具可以用来绘制各种架构图和流程图。Pencil Project内置丰富模板，可创建具有背景的多页面文档，支持文档内超链接跳转，支持富文本功能的文字处理，支...
How to create circle with Bézier curves?
...ace the graphics with the SVGs I had, I realized that I lost those with an USB stick that had been stolen at the beginning of this year. If time permits, I'll try to recreate them soon. However if SVG can be added as XML code (and is not displayed as graphics) it does not make much sense here.
...
Difference between core and processor
...a memory controller to talk to the memory, I/O controllers (display, PCIe, USB, etc..). In the past these elements were outside the CPU, in the complementary "chipset", but most modern design have integrated them into the CPU.
In addition the CPU may have an integrated GPU, and pretty much everythi...
How do I get an apk file from an Android device?
...py files from your device to your system, when the device is attached with USB.
Of course you also need the right permissions to access the directory your file is in. If not, you will need to root the device first.
If you find that many of the APKs are named "base.apk" you can also use this one ...
苹果全球开发者大会：无硬件 iOS 9等三大系统更新 - 资讯 - 清泛网 - 专注C...
...加拿大。苹果还在探讨如何让Apple Pay进入中国。
Swift 2 开源才是王道
Swift语言讲开放源代码，为APP编程带来更多可能。App Store目前有超过15000个应用是用Swift来开发的，越来越多的应用采用了苹果自家的编程语言。新的Swift 2语...
CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...2:
查看squid 的访问日志。
八、实际应用
下面实验将模拟通过不同的域名访问不同的机器，简单实现企业应用中的负载均衡。客户端在浏览器地址栏中输入www.squid.dev，将访问192.168.1.18这台机器，访问bbs.squid.dev，将访问192.168...
Phonegap Cordova installation Windows
...nal controls available for hardware buttons:
Deploy to Device:
Make sure USB debugging is enabled on your device and plug it into your system.
Right Click the Project and go to Run As > Android Application.
Read more ...
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...，计算结果则是错误的。我们需要找到错误的原因。通过模拟程序执行过程、跟踪变量值的方法，可以帮我们找到原因。问题出在输入等号之后，此时： 前数=计算结果 后数=0 算符=“”接下来输入算符，由于算符=“”，因此执...
MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...应用消息实现客户端对服务端的身份验证。11. 有商业和开源的mqtt broker供选择。支持ACL访问控制、集群、共享订阅、重要指标dashboard、sysadmin api、插件扩展、对topic或session或clientid的tracing调试等高级功能，大大简化服务器端的开...
If unit testing is so great, why aren't more companies doing it? [closed]
...he filename in BIG5 chinese? on an NFS share? on vista with the file on a USB key and UAC turned ON?
The problem is that the unit tests are written by the same programmer who wrote the function, to the same set of assumptions and with the same level of skill.
To really work the tests must be writ...