大约有 2,000 项符合查询结果(耗时:0.0106秒) [XML]

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Iterate two Lists or Arrays with one ForEach statement in C#

... This is known as a Zip operation and will be supported in .NET 4. With that, you would be able to write something like: var numbers = new [] { 1, 2, 3, 4 }; var words = new [] { "one", "two", "three", "four" }; var numbersAndWords = numbers....
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How to read a text file into a list or an array with Python

... your list of lists. This can be done with the following idiom by_cols = zip(*list_of_lists) Another common use is to give a name to each column col_names = ('apples sold', 'pears sold', 'apples revenue', 'pears revenue') by_names = {} for i, col_name in enumerate(col_names): by_names[col_n...
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如何一个POINT转化为lParam参数 - C/C++ - 清泛网 - 专注C/C++及内核技术

如何一个POINT转化为lParam参数MAKELPARAM(pt.x, pt.y);反之:CPoint point(lParam);里面的实现是:CPoint(_In_ LPARAM dwPoint) throw();...ATLTYPES_INLINE CPoin...MAKELPARAM(pt.x, pt.y); 反之: CPoint point(lParam); 里面的实现是: CPoint(_In_ LPARAM dwPoint) thro...
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笨法玩电商网站秒杀 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...请求合并:甲买了一个商品,乙也买了同一个商品,与其甲乙当做当做单独的请求分别执行一次商品库存减一的操作,不如他们合并后统一执行一次商品库存减二的操作,请求合并的越多,效率提升的就越大。 可惜的是...
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JQuery中toggle被淘汰后的替代方法(jquery toggle 自己隐藏了) - 更多...

JQuery中toggle被淘汰后的替代方法(jquery toggle 自己隐藏了)在最新的JQuery的程序库中jquery-2 2 3 js中已经有好几个函数被替换到了。应该说版本过1 8或1 9时就淘汰了。如: live() 1 9以上被淘汰。 在最新的JQuery的程序库中jquery-2.2....
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AppInventor2 如何列表内容显示在标签里? - App应用开发 - 清泛IT社区,...

最容易想到的就是遍历列表,然后合并文本每一项和一个分隔符合并起来,最后输出: 当然也是可以,但不够优雅。列表提供了“分隔符拼接成文本”方法,可以一步到位: 传入列表对象,分隔符可以用空格等。更多...
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如何用户设定的数字,发送到mqtt中? - App Inventor 2 中文网 - 清泛IT...

如图,请问,如何用户输入的数字,发送到mqtt服务器?Message 后面的代码块改为:文本输入框1.文本还是不行baiheren 发表于 2025-03-24 17:07 还是不行 具体的表现是? 有具体的报错信息吗?
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Capitalize the first letter of both words in a two word string

...ng(s, 1,1)), substring(s, 2), sep="", collapse=" ") } name <- c("zip code", "state", "final count") sapply(name, simpleCap) zip code state final count "Zip Code" "State" "Final Count" Edit This works for any string, regardless of word count: simpleCap("I like...
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项目管理实践【五】自动编译和发布网站【Using Visual Studio with Source ...

...s.tigris.org/files/documents/3383/36642/MSBuild.Community.Tasks.v1.2.0.306.zip 2.WebDeployment下载: For VS2005 http://download.microsoft.com/download/9/4/9/9496adc4-574e-4043-bb70-bc841e27f13c/WebDeploymentSetup.msi For VS2008 [RTW] http://download.microsoft.com/download/9/4/9/9496adc4-574...
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iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...果。 当然,我们可以设置在编译程序的时候同时Analyze,下列选项设为Yes即可。 【6.Profile检查器】 这个工具实在是太NB了,三言两语说不完,贴张图,大家感受一下,我会在以后的博客中慢慢讲解该工具的使用。同样在Produc...