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eclipse cdt 运行程序时添加依赖库路径 - C/C++ - 清泛网 - 专注C/C++及内核技术

...库和可执行文件在同一目录下,如果不使用 LD_LIBRARY_PATH 指定库路径(即当前目录)话,仍然会报加载不到依赖库错误。那么Eclipse CDT也是类似,可 我们知道Linux即使依赖库和可执行文件在同一目录下,如果不使用 LD_LIBRARY_...
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MFC SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...cx、cy分别是窗口x和y坐标、宽和高度。hWndInsertAfter用来指定窗口Z位置(或称Z顺序)。如果你经常接触3D方面软件,你就知道Z代表深度。这个参数接受5种值:HWND_BOTTOM、 HWND_NOTOPMOST、HWND_TOP、HWND_TOPMOST或者另一个窗口句...
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Getting an element from a Set

... match this "copied" instance with the original one, I decided to use Java UUIDs. So I created an abstract class UniqueItem, which automatically gives a random unique id to each instance of its subclasses. This UUID is shared between the client and the server instance, so this way it could be easy...
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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...改系统 /etc/security/limits 配置文件。该文件不仅能限制指定用户资源使用,还能限制指定资源使用。该文件每一行都是对限定一个描述,格式如下: <domain> <type> <item> <value> domain 表示用户或者组名字,还可...
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configure: error: Unable to find gd.h anywhere under /usr/local/gd - ...

...里就可以解决。 解决方式: 1.在gd库安装路径下搜索没有发现gd.h文件,但是在/etc/include下有gd.h文件 2.在网上搜索发现重装gd库可解决 3.重新安装gd库,在安装时出现: configure.ac:64: error: possibly undefined macro: AM_ICONV If th...
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Guid.NewGuid() vs. new Guid()

... An empty UUID is very useful indeed. It makes a great special value. – Jon Hanna Aug 13 '12 at 16:21 105 ...
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Does every Core Data Relationship have to have an Inverse?

... alternative solution, as discussed in the comments, is to create your own UUID property on the target (in the example here, every Page would have an id that is a UUID), store that as a property (currentPage just stores a UUID as an Attribute in Book, rather than being a relationship), and then writ...
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...装Mongo DB,步骤看这里。 2. Mongo DB C# driver下载可以在nuget搜索mongocsharpdriver。 3. 如果想本地察看数据库中内容,下载MongoVUE。 4. Knockoutjs下载可以在nuget搜索knockoutjs。 代码实现 1. 创建项目 创建MVC4 Web Application 在Project Templat...
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BLE 模块 透传问题 - 创客硬件开发 - 清泛IT社区,为创新赋能!

问一下老师&nbsp;&nbsp;1.这个蓝牙传输一次,是一个多字节包?还是单一个字节? &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;2.我想传文件,是否要先设变量读进数据?有哪位老师给讲一下。 根据 ble ...
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APP INVENTOR硬件交互学习教程02——资源介绍 - 创客硬件开发 - 清泛IT社区...

...外发射和接收,方便进行红外解码,红外发射实验 6.蓝牙模块插座,方便扩展配置 7.一路继电器,可以进行大功率设备控制实验 8.一路蜂鸣器,可以进行一些报警实验。 9.其他扩展外设模块,WS2812,舵机,RF模块...