Programmer's Notebook

Dropbox, Box, Google driver, Ubuntu one or icloud ? Table of Contents 1 Storage in cloud products 2 My working environment 3 How Storage cloud improved my life? 4 Which product I like the most? 1 Storage in cloud products Now I wanna too share some good storage cloud products that I used in my daily work. A good storage cloud tool can offer you so much convenient in daily life and increase your productivity and efficiency at work. Here is my own experience with some cloud products. So, What is the storage cloud products? It is a services that can store your data into cloud and can share it everywhere. Here is the storage cloud services that I already used. free size OS compatibility GFW compatibility Dropbox 5G Linux, Mac, Windows OK Box 50G Mac, Windows OK Google Driver 15G Mac, Windows Need to fuck GFW ubuntu one 5G Linux(ubuntu), Mac, Windows OK icloud 5G Mac, Windows OK 2 My working environment Before to illustrate this question, I

Install Bluez host stack from source code for Linux Table of Contents 1 Why install Bluez5.8+? 2 Install Bluez5.8 into Linux distribution 3 How to start the newest Bluez stack daemon? 1 Why install Bluez5.8+? Bluez is the host part stack running in Linux. Install the Bluetooth LE feature supported Bluez was really important during develop the Bluetooth le apps, it can run your test case on your Linux PC at least. But Why Bluez 5.8 and later version? The Bluez stack was developed so quickly during the past one years from 4.100 to 5.9, its source code's quality was really promoted a lot after those frequent releases. What's more, Bluetooth LE was officially supported after Bluez 5.0 release not just experimental features in the older version.  The mainly Linux distribution's Bluez version, like Ubuntu13.2 or Fedora 19, still remained in 4.101, which means Bluetooth LE still in the experimental stage at the latest Linux distribution system . 2 Inst

Bluetooth Introduction Table of Contents 1 What's Bluetooth? 2 Bluetooth stacks 3 Bluetooth profiles 1 What's Bluetooth? Bluetooth is a wireless communication technology. Its name comes from an ancient Denmark king, Harald Blatand, in the tenth century, who united the dissonant Danish tribes into a single kingdom. Because he likes to eat blueberry, his tooth was always colored to blue, people gave him a nickname Harald Bluetooth instead. And also, the Bluetooth's logo comes from this king's first two names and the band of the ancient North Europe characters.  How many parts did a Bluetooth system consisted of? The following figures illustrate the basic parts of a Bluetooth system. +----------+ +----------+ | | | Host | | host | | | +----+-----+ +----+-----+ +----+-----+ +----+-----+ | LE | | BR/EDR | |Controller| |Controller| +----------+ +----------+