大约有 37,000 项符合查询结果(耗时:0.0159秒) [XML]

https://www.tsingfun.com/it/cpp/1561.html 

DoModal() 不显示的问题总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

DoModal() 不显示的问题总结int nResponse = dlg.DoModal();对话框窗口不显示,返回值为-1。出现这种情况一般是.rc资源文件的问题导致。1、核对一下resource.h,本...int nResponse = dlg.DoModal();对话框窗口不显示,返回值为-1。 出现这种情况一...
https://www.tsingfun.com/ilife/tech/893.html 

支付宝回应幽灵账户:不必担心冒名贷款 - 资讯 - 清泛网 - 专注IT技能提升

...未知的“幽灵”账户,是否会造成主账户用户的资产损失问题,蚂蚁金服相关工作人员接受21世纪经济报道记者采访时称,实名认证账户下关联的子账户无法借用户身份发起蚂蚁花呗等贷款服务,并且支付宝有额外的风控手段进...
https://www.tsingfun.com/it/da... 

记一次数据库表自增长(Auto Increment)故障 - 数据库(内核) - 清泛网 - ...

...被一阵急促的报警短信声惊醒,原来是数据库的某个表出问题了,虽然查询操...故障的来龙去脉大致是这样的:在一个月黑风高的晚上,苦逼的程序员被一阵急促的报警短信声惊醒,原来是数据库的某个表出问题了,虽然查询操...
https://www.tsingfun.com/it/da... 

MySQL (\'root\'@\'%\') does not exist 的问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

MySQL ('root'@'%') does not exist 的问题MySQL ('root'@'%') does not exist的问题:在使用mysql时出现问题: The user specified as a definer ('...MySQL ('root'@'%') does not exist的问题: 在使用mysql时出现问题: The user specified as a definer ('root'@'%') does not exist。...
https://www.tsingfun.com/it/tech/1594.html 

Discuz X3涂鸦板无法使用问题解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Discuz X3涂鸦板无法使用问题解决现象:调查思路:浏览器F12或右键查看Flash展示处的html源码:<embed width="438" height="304"src="static image common doodle.swf?fid...现象: 调查思路: 浏览器F12或右键查看Flash展示处的html源码: <embed wi...
https://bbs.tsingfun.com/thread-389-1-1.html 

推广期间,技术问题解决、技术调查免费啦! - 免费信息发布 - 清泛IT社区,...

...截止暂定:2015-12-31),每一注册用户将获得两次免费的问题解决或技术调查机会,将由清泛网组织专人在线解决问题、完成技术调查。 要求:问题或需求描述清晰,可随时在线沟通。 范围:技术调查工作量须控制在2人日(...
https://stackoverflow.com/ques... 

How to count the number of set bits in a 32-bit integer?

...ount' or 'sideways addition'. The 'best' algorithm really depends on which CPU you are on and what your usage pattern is. Some CPUs have a single built-in instruction to do it and others have parallel instructions which act on bit vectors. The parallel instructions (like x86's popcnt, on CPUs where ...
https://www.tsingfun.com/it/da... 

创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

创建增量同步Oracle物化视图问题我们采用Oracle的物化视图增量刷新机制定时将数据库A上的某个表的数据同步到另一个数据库B上。我们常用的最简单的实现步骤是这样。首先在数...我们采用Oracle的物化视图增量刷新机制定时将数...
https://stackoverflow.com/ques... 

Windows batch: formatted date into variable

.... @echo off setlocal del /q /f %temp%\timestampfile_* Logman.exe stop ts-CPU 1&gt;nul 2&gt;&amp;1 Logman.exe delete ts-CPU 1&gt;nul 2&gt;&amp;1 Logman.exe create counter ts-CPU -sc 2 -v mmddhhmm -max 250 -c "\Processor(_Total)\%% Processor Time" -o %temp%\timestampfile_ &gt;nul Logman.exe start ...
https://stackoverflow.com/ques... 

to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh

...oing slow. It's a rich drawing API, which requires its work be done on the CPU, as opposed to a lot of UIKit work that is offloaded to the GPU. If you had to animate a ball moving across the screen, it would be a terrible idea to call setNeedsDisplay on a view 60 times per second. So, if you have su...