大约有 36,000 项符合查询结果(耗时:0.0499秒) [XML]

https://www.tsingfun.com/it/tech/1084.html 

浅谈Heatmap:网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的日志格式,结果会有所不同,这里仅仅以此为例来说明问题,本文采用AWK来解析日志,当然你也可以使用Perl或别的你熟悉的语言: #!/usr/bin/awk -f BEGIN { FS="&"; } NF == 4 { param["page_x"] = "0"; param["page_y"] ...
https://www.tsingfun.com/it/tech/963.html 

C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...要关闭。 2.把流中数据加载到内存时要考虑内存溢出等问题。 C# Stream
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How exactly does the callstack work?

...of programming languages work and especially how they interact with the OS/CPU. I've probably read every answer in every stack/heap related thread here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet. ...
https://www.tsingfun.com/it/cpp/1362.html 

VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 上面通过设置api hook,解决了在VS2005上的异常捕获问题,这种虽然不是那么“干净”的解决方案,确是目前唯一简单有效的方式。 虽然也可以通过_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT), signal(SIGABRT, ...), 和_set...
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调用空智能指针对象的函数,Windows及Linux行为解析 - C/C++ - 清泛网 - 专...

...-O0以上优化版本访问空智能指针对象函数会发生崩溃。 问题起因:一个智能指针对象使用IsNull()判断是否为空后,执行函数,仅在Linux开优化(-O0以上)发生崩溃,代码如下: #include <stdio.h> #include <memory> #include <assert.h> c...
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图片轮播拓展 - ColinTreeSlideShow - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...一个空的 水平滚动布局,将宽高设置好 (目前组件有个问题,在加入图片之后调整这个布局,图片不会跟随改变大小)如图(背景颜色可以先设置好): 在添加列表项之前先初始化一下,调用传入一个参数:调用ColinTreeSlideSh...
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Formatting numbers (decimal places, thousands separators, etc) with CSS

... Unfortunately this is server side, there is a slight CPU hit, we need an html/css edit mask ability. Dressing and rendering should be client side unless we are serving a pdf ? – mckenzm Dec 30 '16 at 2:09 ...
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What are the effects of exceptions on performance in Java?

... simplest way is using setjmp and longjmp. That means all registers of the CPU are written to the stack (which already takes some time) and possibly some other data needs to be created... all this already happens in the try statement. The throw statement needs to unwind the stack and restore the val...
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]

... a lot of activity going on under the hood of the OS, which can steal some CPU time and slow down the execution of your code. That’s why it is best to execute the tests multiple times and then remove the lowest and the highest times. For that puprose it is a good solution to have a method that exe...
https://www.tsingfun.com/it/cpp/951.html 

ATL COM开发入门(一)(JS调用ActiveX/COM组件) - C/C++ - 清泛网 - 专注C/C++及内核技术

... ??件的源码实例》。 源码点此下载,如有问题请点此。 ATL COM ActiveX 入门