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What is the difference between setUp() and setUpClass() in Python unittest?

... the tests, while setUp is called immediately before each and every test. (NB: The same applies to the equivalent methods in other xUnit test frameworks, not just Python's unittest.) From the unittest documentation: setUpClass() A class method called before tests in an individual class are run. set...
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完美解决phpcms批量移动内容后,新闻心情、评论排行等更新的问题 - 更多...

完美解决phpcms批量移动内容后,新闻心情、评论排行等更新的问题问题描述:phpcms批量移动内容 文章,批量更新URL -> "批量更新内容页"后,发现原内容的评论、新闻心情全部丢失,这还算差,后台评论排...问题描述: phpcms...
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Why is Linux called a monolithic kernel?

...ed answer, you will probably have some fun reading the 'Great Torvalds-Tanenbaum debate on kernel design'. It's even funnier to read in 2013, more than 20 years after it transpired. The funniest part was Linus' signature in one of the last messages: Linus "my first, and hopefully last flamefest" To...
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普通码农和CTO之间的差距,就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...TO之间的差距,就是这7点了虚心学习的第一步是——“我懂”。一个空是水杯才能装水,如果是满的就没有办法装水了。“自我肯定”是一种非常难克服的习惯,经常会有朋... 虚心 学习的第一步是——“我懂”。一个空...
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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...发现有必要开发一个通用的开放架构的网络模型,从而让同软硬件的网络都可以互相通信。在1973年Vinton Cerf也参与了这个项目,他们俩于同年实现了TCP的第一个版本。1974年的时候,TCP协议规范正式发布,编号为RFC 675。在20世...
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Xcode 4 - slow performance

...ything non-essential that is involved with "watching" files: Quick Help (NB: never click on the QH tab! Even hiding the Assistant still causes the code to run! Switch to a different tab before moving to a new file...) SCM management (SVN, Git, etc - Xcode's git support is still a little buggy (can...
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

... Programmatically http://support.microsoft.com/kb/131284/en-us 19. 如何在CListView中使用CListCtrl的派生类 http://www.codeguru.com/cpp/controls/listview/introduction/article.php/c919/ 20. listctrl的subitem添加图标 m_list.SetExtendedStyle(LVS_EX_SUBITEMIMAGES); ...
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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...址空间最高端和低端位置。 此时在系统的内存里其实并存在 BIOS 代码,ROM BIOS 的一部分职责是负责安装 BIOS 代码进入系统内存。 jmp far f000:e05b 典型是这条指令就是 0xFFFFFFF0 处的 ROM BIOS 指令,执行后它将跳到 0x000...
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IRXmitter红外发射器扩展 · App Inventor 2 中文网

...置CarrierFrequencies或CarrierFrequencyList显示的值。如果指定了支持的值,会触发Screen.ErrorOccurred事件,错误代码17302。 启动延迟 在自动重复模式下,StartDelay定义第一个数据包和后续数据包之间的暂停时间,单位为毫秒(ms)。有效...
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How do I choose a HTTP status code in REST API for “Not Ready Yet, Try Again Later”? [closed]

... NB: "Retry-After" can also go with 307 - TEMPORARY REDIRECT which is good if you want to force client side to wait elsewhere while your ressource is being "made ready" – rloth Jul 27 '16...