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App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...数据持久化，掌握数据存储等功能的实现；
3.通过编程实践，感受和体验利用手机自身硬件开发实用的手机应用程序。 【项目范例】
1. 情境
现在的手机都已经具有计步器及位置传感器等各种硬件传感器，利...
企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...险。如果将会话持续的时间设置得比较长，那么在一个高并发的负载平衡服务器上就需要维护过多的会话。反之如果将会话持续的时间设置得过短，那么就有可能导致ACK Storm发生。
先看会话持续时间较长的情况。假设当前负载...
CruiseControl.Net 进行持续化集成 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
...很多中小软件厂商的关注。那么敏捷除了一些经常谈论到编程思维和迭代的开发模式等，其实还部分依赖于好的改善工作流程的工具。持续化集成工具便是服务于敏捷软件开发的一个系列。它主要将原本分散，无序的工作流程，...
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
...实物计算器，给用户一种良好的使用体验。但对于我们的编程过程来说，还是应该从实现最简单的功能入手，先实现常规操作，否则将会迷失在各种不确定之中。一、输入数字（1）设置三个全局变量：前数、后数、算符如第一...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...加喜欢用tracepoints探针，因为tracepoints有稳定的应用程序编程接口。注意：现代linux系统(glibc >= 2.26)，open总是调用openat系统调用。
comm是内建变量，代表当前进程的名字。其它类似的变量还有pid和tid，分别表示进程标识和线程标...
The Definitive C++ Book Guide and List
This question attempts to collect the few pearls among the dozens of bad C++ books that are published every year.
1 Answer
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What is the difference between C++ and Visual C++? [duplicate]
What is the difference between C++ and Visual C++?
7 Answers
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Is modern C++ becoming more prevalent? [closed]
When I first learned C++ 6-7 years ago, what I learned was basically "C with Classes". std::vector was definitely an advanced topic, something you could learn about if you really wanted to. And there was certainly no one telling me that destructors could be harnessed to help manage memory.
Toda...
Should I learn C before learning C++? [closed]
...me. I decided to take a peek in the src directory to find it was done in C++ (most of the other projects were Java 3D apps).
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What would be C++ limitations compared C language? [closed]
Following are the benefits of C++
32 Answers
32
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