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C++字符串截断时中文的处理问题(中文被截断怎么处理?) - c++1y / stl - ...
// 防止后台错误消息中汉字双字节被截断出现乱码
if (pRspMsg->RspMsg.buf[pRspMsg->RspMsg.Length() - 2] & 0x80)
pRspMsg->RspMsg.buf[pRspMsg->RspMsg.Length() - 2] = 0;
一个字节和0x80与运算(& 0x80 )是否...
领域驱动设计系列(三):事件驱动上 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...nt.DeActive();
_emailService.SendEmail();
}
}
但是,问题来了,如果后来我们要说,如果设备坏了,我们要更改可用库存的数量,这时候我们是不是要在这里修改代码而引入IInventoryService? 后来如果经理说设备坏了你们尽然...
What is the most effective way for float and double comparison?
...
Be extremely careful using any of the other suggestions. It all depends on context.
I have spent a long time tracing a bugs in a system that presumed a==b if |a-b|<epsilon. The underlying problems were:
The implicit presumption in an algorithm that if a==b and b==c then a==c.
...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
...ad and > $null has about a 0.3% overhead.
Addendum 2017-10-16: I originally overlooked another option with Out-Null, the use of the -inputObject parameter. Using this the overhead seems to disappear, however the syntax is different:
Out-Null -inputObject ($(1..1000) | ?{$_ -is [int]})
And no...
近期 Chrome 下 Discuz 兼容问题修复记录:AJAX 提交失效与移动链接误跳转 ...
最近排查并修复了 2 个和新版 Chrome 兼容性相关的问题,记录如下。
一、AJAX 操作失效,表现为“加载中”一闪而过,没有后续动作
现象:
1. 登录、帖子分类、部分弹层提交等 AJAX 操作失效
2. 浏览器控制台最初还伴...
Making the Android emulator run faster
...
Official web page
~50% faster
Windows:
Install "Intel x86 Emulator Accelerator (HAXM)" => SDK-Manager/Extras
Install "Intel x86 Atom System Images" => SDK-Manager/Android 2.3.3
Go to the Android SDK root folder and navigate to extras\intel\Hardware_Accelerated_E...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...它与以前的版本不兼容,但允许使用 SSL/TLS 连接以满足更高的安全要求。
在 MQTT 客户端连接到 MQTT 服务器之前,必须先设置连接参数,然后使用 Connect 方法创建与服务器的连接。ConnectionStateChanged 事件报告连接状态的任...
Simple proof that GUID is not unique [closed]
...(OutOfMemoryException)
{
// Release the ram we allocated up front.
// Actually, these are pointless too.
//GC.KeepAlive(reserveSomeRam);
//GC.Collect();
}
Console.WriteLine("{0:u} - Built bigHeapOGuid...
Mismatch Detected for 'RuntimeLibrary'
...racted Crypto++ in C:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the include path so I can easi...
How to discover number of *logical* cores on Mac OS X?
...id-2011 1.7GHz MacBook Air, this command says 4. However, I suspected it really only has 2 cores, and system_profiler SPHardwareDataType seems to agree. Can you explain the discrepancy?
– Joshua Flanagan
Sep 24 '11 at 1:42
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