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BLE（三）APP开发步骤 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...晰了许多。首先，可以通过startLeScan、LeScanCallback等方法定位到扫描BLE外围设备的相关代码段；然后，根据connectGatt、BluetoothGattCallback等api锁定设备连接的相关函数，并找到指令交互部分，最后梳理出整个控制流程。
【转】APP Inventor2 调用位置传感器在高德地图上显示当前位置存在偏差？你...
...手机上显示如下，我怎么去湖里了，是坐船去了还是手机定位偏差太大了？都不是，是因为坐标没有经过正确的换算。
将代码改一改，利用高德的Web API进行坐标转换，更详细的坐标转换方法请去高德官网查看。
获取...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...ocking or asynchronous I/O is that your thread can continue its work in parallel. Of course you can achieve this also using an additional thread. As you stated for best overall (system) performance I guess it would be better to use asynchronous I/O and not multiple threads (so reducing thread switch...
Could not load file or assembly 'xxx' or one of its dependencies. An attempt was made to load a prog
...ss Objects 4 for .Net SDK.
They ship five BusinessObjects*.dll files, but all of them are 64-bit.
To get my webpage to load, I needed to click on Tools\Options, then change this setting in VS2013:
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What is the difference between a thread and a fiber?
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In the most simple terms, threads are generally considered to be preemptive (although this may not always be true, depending on the operating system) while fibers are considered to be light-weight, cooperative threads. Both are separate execution paths for your applic...
How to determine why visual studio might be skipping projects when building a solution
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In my case, although all projects and the solution were all set to "Any CPU", one project skipped building. It was only after I set the solution to "Mixed Platforms" then back to "Any CPU" that it would build. Looking at a diff of the solution ...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...进依赖项，否则会出错。最开始的时候，就是这么一点小问题，让我浪费了几天时间。
再点击添加必须的插件，自动添加其它的依赖项。
再下一步，设置项目的构建路径，如下图：
下一步，导出我们的...
PHP 错误记录和聚合的平台Sentry实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...战不管你用什么编程语言，都会面临如何处理错误日志的问题。很多程序员对错误日志放任自流，直到出现故障了才追悔莫及，如果问我怎么办，我会...不管你用什么编程语言，都会面临如何处理错误日志的问题。很多程序员对...
APP被手机识别为疑似病毒 - App应用开发 - 清泛IT社区，为创新赋能！
...用，忽略警告，加入白名单，继续安装，使用上没有任何问题。有些手机有所谓的“纯净模式”阻止安装，可以考虑在设置中关闭它。
2、如果想要发布，可以先线上检测一下：https://m.qq.com/security_lab/scans_online.jsp
上传APK文件...
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
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Please note that clock does not measure wall clock time. That means if your program takes 5 seconds, clock will not measure 5 seconds necessarily, but could more (your program could run multiple threads and so could consume more CPU than real time) or less. It measu...