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使用 C++ 处理 JSON 数据交换格式 - C/C++ - 清泛网 - 专注C/C++及内核技术
...不了的就是编译，将源码文件编译成我们方便使用的动态链接库、静态链接库或者静态导入库[1]。
jsconcpp 进行 JSON 解析的源码文件分布在 include/json、src/lib_json 下。其实 jsoncpp 源码并不多，为了方便产品管理，此处没必要将其...
Android emulator-5554 offline
...esn't work, go to emulated device and enable developer options > enable usb debugging
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Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
...ore information about each device like this: c1cd3890098c08f0 device usb:337641472X product:rubenswifixx model:SM_T360 device:rubenswifi transport_id:5 0123456789ABCDEF device usb:336592896X product:HR935 model:HR935 device:HR935 transport_id:3
– Joshua Pinter
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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...。
文件系统操作函数：用于创建常规文件、目录和符号链接；复制和重命名文件；提供删除功能。
实用工具：测试文件的扩展名等。
杂项常规函数：以编程方式更改文件扩展名等。
属性函数
Boost Filesystem Library 包括以下...
Capturing mobile phone traffic on Wireshark
... all interfaces
For Android 4.0+ phones: Android PCAP from Kismet uses the USB OTG interface to support packet capture without requiring root. I haven't tried this app, and there are some restrictions on the type of devices supported (see their page)
For Android phones: tPacketCapture uses the Andro...
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
下面是：“TCP协议的状态机”（图片来源） 和 “TCP建链接”、“TCP断链接”、“传数据” 的对照图，我把两个图并排放在一起，这样方便在你对照着看。另外，下面这两个图非常非常的重要，你一定要记牢。（吐个槽：看到...
Why do we need C Unions?
... inheritance.
E.g.
Connection
/ | \
Network USB VirtualConnection
If you want the Connection "class" to be either one of the above, you could write something like:
struct Connection
{
int type;
union
{
struct Network network;
struct U...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...字空间里，它叫boost::filesytem。在使用boost.filesytem之后，链接时需要加“-lboost_filesystem-mt”选项，因为这个需要额外的链接，并非一个纯头文件的库。
获得单独文件属性
有了上面的准备知识，大家可以写一些简单的程序了。...
How can I get the external SD card path for Android 4.0+?
...mp; (file.listFiles().length > 0) ) { // it is a real directory (not a USB drive)...
Log.d(TAG, "External Storage: " + file.getAbsolutePath() + "\n");
}
}
}
}
Alternatively, you might use System.getenv("EXTERNAL_STORAGE") to retrieve the primary External...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
... directory.
If on the other hand the underlying device disappears (e.g. USB unplug) then the file handle won't be valid any more and is likely to give IO/error on any operation. You still have to close it though. This is going to be true even if the device is plugged back in, as it's not sensible...