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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...

...需要注释掉,不然恢复模式不好操作。 这里有个关键的问题,就是innodb里的任何数据操作都是一个日志的记录点。也就是如果我们需要数据恢复,必须把之前的表的数据的日志记录点添加到一致。 a、建立一个数据库,根据...
https://www.tsingfun.com/it/cpp/1282.html 

解决:Run-Time Check Failure #0,The value of ESP was not properly sav...

...常。 所以把在函数定义中进行设置调用规则即可解决此问题。 如: typedef void (__stdcall Foo)(int a); typedef int ( *PFUN)(HWND hWnd, LPCTSTR lpText, LPCTSTR lpCaption, UINT uType); void CTestProcessMonitorDlg::OnBnClickedButton1() { // TODO: Add your contro...
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基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...rOAuth改的,一旦多平台集成,很容易出现命名冲突之类的问题。 既然官方SDK不给力,那我们只能发扬自力更生的革命精神了!好消息是PHP本身已经有了一个标准的OAuth实现:PECL OAuth!下面以此为例来讲解一下: 说明:首先需...
https://www.tsingfun.com/it/tech/1076.html 

优化InnerHTML操作 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...便性让我们爱不释手,但如果使用不当,很容易出现效率问题,本文通过一个例子来说明如何优化i...多数现代浏览器都实现了innerHTML操作,它的方便性让我们爱不释手,但如果使用不当,很容易出现效率问题,本文通过一个例...
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What are the differences between virtual memory and physical memory?

...ly, transcendentally slower. It is an I/O operation, which means it is not CPU bound (it is rather the exact opposite), which means it does not need to occupy RAM right now. However, it still occupies RAM stubbornly. If you want to launch Firefox in the meantime, you can't, because there is not much...
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How do you determine the ideal buffer size when using FileInputStream?

...mum buffer size is related to a number of things: file system block size, CPU cache size and cache latency. Most file systems are configured to use block sizes of 4096 or 8192. In theory, if you configure your buffer size so you are reading a few bytes more than the disk block, the operations wit...
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Difference between float and decimal data type

...s are required of the DB engine to convert the "number" into something the CPU recognizes as a number. No rounding, no conversion errors, it's a real number the CPU can manipulate. Calculations on this arbitrarily large integer must be done in software, as there is no hardware support for this kin...
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iPhone App 开发第一步:从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...

...! 最近才开始研究iPhone开发,由于没有Mac,采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Le... iCc原创,转载请注明出处! 最近才开始研究iPhone开发,由于没有Mac,采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Leopard,再升级...
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What is a coroutine?

...t? If it is right, it is just like an un-preemptive OS running on one-core CPU, one process must relinquish CPU to let other tasks run. – Nan Xiao Jun 22 '16 at 12:18 ...
https://www.tsingfun.com/it/tech/1660.html 

还原MongoDB中Decimal类型数据 - 更多技术 - 清泛网 - 专注C/C++及内核技术

还原MongoDB中Decimal类型数据问题描述:由于MongoDB没有Decimal类型,我们要将C#的Decimal类型数据存入MongoDB,只能转换为Double类型存储。但是,取出来的数据(原数据...问题描述: 由于MongoDB没有Decimal类型,我们要将C#的Decimal类型数...