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How can I pad an integer with zeros on the left?

...l idioms, Concurrency, Strings, Primitives, Ranges, IO, Hashing, EventBus, etc Ref: GuavaExplained share |
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window.onload vs document.onload

...d when the entire page loads, including its content (images, CSS, scripts, etc.). In some browsers it now takes over the role of document.onload and fires when the DOM is ready as well. document.onload It is called when the DOM is ready which can be prior to images and other external content is...
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与复制构造函数相关的错误.例如:0x77D9FCAA (ntdll.dll) (prog31.exe 中)处...

...坏。 (参数: 0x77DC6668)这种错误可能就是与内存有关的释放问题。这里的错误示例代码主要是为了说明复制构造函数,尤其是含有指针类型或者有成员表示在构造函数中分...这种错误可能就是与内存有关的释放问题。这里的错误示...
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What are the effects of exceptions on performance in Java?

... the exceptions themselves, the exact actions taken in exception handlers, etc. The upshot is that when an exception isn't thrown, you don't pay a cost, so when the exceptional condition is sufficiently rare exception handling is faster than using an if every time. The full post is very much worth...
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Reducing Django Memory Usage. Low hanging fruit?

...t of apache virtual hosts already in place, using SSL with apache already, etc. In this case, use mod_wsgi. If you are starting afresh, use spawning. NEVER use mod_python. – nosklo Jan 29 '09 at 10:23 ...
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站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...

...告,这样的行为是被Google Adsense禁止的。 二、1、版权问题的网站博客禁止投放Google Adsense。主要是音乐MP3、视频、新闻组和图像结果等内容的网页上。例如电影类的网站、纯粹的新闻网站、纯粹的图片网站、引用第三方的视频...
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项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...

...了,应该可以在http://localhost/BugNet 访问,如果有什么安装问题,请访问支持论坛。 下面是运行后,BugNET首页的截图: 我想看完这篇文章,你一定会自己试一试吧! OK, That's all what I say , and now, it's your turn. 不好意思,由于下...
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How are zlib, gzip and zip related? What do they have in common and how are they different?

...le compression levels that allow trading off compression effectiveness for CPU time. zlib and PKZIP are not the only implementations of deflate compression and decompression. Both the 7-Zip archiving utility and Google's zopfli library have the ability to use much more CPU time than zlib in order to...
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What are the main performance differences between varchar and nvarchar SQL Server data types?

... What about index size, memory usage etc? I assume you always use int when you could use tinyint too "just in case"? – gbn Jul 9 '10 at 7:02 ...
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How many socket connections can a web server handle?

... Apache] with async designed application software) Good performance/dollar CPU / Ram. Today, arbitrarily, let's say i7 (4 core) with 8GB of RAM. A good firewall/router to match. No virtual limit/governor - ie. Linux somaxconn, IIS web.config... No dependency on other slower hardware - no reading fro...