大约有 42,000 项符合查询结果(耗时:0.0333秒) [XML]

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社交应用组件 · App Inventor 2 中文网

...界面设计”视图或“程序设计”视图中通过颜色名字选择一个颜色,默认背景颜色为:default(阴影 3-D 外观)。 启用 如果设置为真则用户可以在 邮箱地址选择框 中输入文本。 粗体 设置邮箱地址选择框的显示字体是否是...
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Most pythonic way to delete a file which may not exist

... A more pythonic way would be: try: os.remove(filename) except OSError: pass Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions. It may be ...
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How to install a specific JDK on Mac OS X?

...a on the Mac. As far as I know, Apple JDK 6 is installed by default on Mac OS X 10.6 (Snow Leopard). Maybe you need to install the developer tools from your Mac OS X installation DVD (the dev tools are an optional install from the OS DVD). See: http://developer.apple.com/java/ NOTE This answer fro...
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How to detect my browser version and operating system using JavaScript?

...Agent else if ((verOffset=nAgt.indexOf("MSIE"))!=-1) { browserName = "Microsoft Internet Explorer"; fullVersion = nAgt.substring(verOffset+5); } // In Chrome, the true version is after "Chrome" else if ((verOffset=nAgt.indexOf("Chrome"))!=-1) { browserName = "Chrome"; fullVersion = nAgt.substri...
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What kind of virtual machine is BEAM (the Erlang VM)?

... The Erlang VM runs as one OS process. By default it runs one OS thread per core to achieve maximum utilisation of the machine. The number of threads and on which cores they run can be set when the VM is started. Erlang processes are implemented entir...
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Get Android Device Name [duplicate]

...t Android device name you have to add only a single line of code: android.os.Build.MODEL; Found here: getting-android-device-name share | improve this answer | follow ...
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C++读写EXCEL文件方式比较 - C/C++ - 清泛网 - 专注C/C++及内核技术

...E的方式 这个大约是最常用的方式,这个方式其实启动了一个EXCEL的进程在背后读写EXCEL文件,这个方式的最大好处是什么事情都能做。包括设置EXCEL的格式,增加删除Sheet,读写单元格,等等。功能几乎是最全的,而且使用起来...
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XP风格按钮的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...程目录下的.clw文件删除,重新打开工程,为对话框添加一个按钮。通过类向导为此按钮控件添加一个变量,变量类型选择CXPButton; (在此步骤中如果不删除.clw文件,则在选择变量类型的时候下拉列表中不会出现CXPButton选项,...
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数据分析非要用到大数据? - 资讯 - 清泛网 - 专注C/C++及内核技术

...? 不管你所在的行业以及企业大小,从数据得到价值都是一个挑战。然而,在初期阶段,这个挑战很大程度上与可获得的数据量没什么关系。如果对数据的处理过程和对数据价值提炼的结构设计不合理,那么至少在现今的标准来...
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C++ 读写xml方法整理(持续更新) - C/C++ - 清泛网 - 专注C/C++及内核技术

...xml的方法可谓是五花八门,太多了,这里对常用的几种做一个总结,附demo。1、Markup 下载: 特点:C++编写的,一个.h,一个.cpp,绿色小巧,直接加入工程源码编译,只支持MFC。 <?xml version="1.0" encoding="utf-8"?> <root> <update ver="1...