大约有 20,000 项符合查询结果(耗时:0.0368秒) [XML]

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C#连接有用户名密码验证的MongoDB - 更多技术 - 清泛网 - 专注C/C++及内核技术

C#连接有用户名密码验证的MongoDBMongoDB连接字符串格式如下:mongodb: [username:password@]hostname[:port][ [database][?options]]使用MongoVUE输入用户名密码能够连接M...MongoDB连接字符串格式如下:mongodb://[username:password@]hostname[:port][/[database][?option...
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扩展jQuery的功能限制只能输入数字 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... return false; } 这里通过正则校验来确定允许输入的格式,例中是进行数字的校验,用户可以输入小数,用户第一次输入" . "的时候需要补齐格式才能校验,当然只是做校验时使用,对用户的实际输入是不产生影响的。 第...
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FAT文件系统原理PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术

FAT文件系统原理PDFFAT 文件系统 原理此篇文档是详细介绍FAT文件系统格式的,对文件分配表、根目录都有详细的讲解。此篇文档是详细介绍FAT文件系统格式的,对文件分配表、根目录都有详细的讲解。 *970K
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下载代码块图像、导入代码块 · App Inventor 2 中文网

... 从 nb177 版本开始,可以以便携式网络图形 (PNG) 图像格式导出单个块。此功能通过提供块的高质量图像,而无需裁剪较大的工作区,导出图像或将块的屏幕截图拼接在一起,从而使编写教程和课程材料变得更加容易。 导出...
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How do I download a file over HTTP using Python?

...one question: can I use the file for post-processing? suppose I download a jpg file that I want to process with OpenCV, can I use the 'data' variable to keep working? or do I have to read it again from the downloaded file? – Rodrigo E. Principe Nov 16 '16 at 12...
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist

...86bb5c84442949b1") }, { $set: { resume: { url: "http://i.imgur.com/UFX0yXs.jpg" } } } ) – Luke Schoen Jun 25 '17 at 1:51 ...
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How to keep indent for second line in ordered lists via CSS?

... @loremmonkey The indent isn't 1em. oi60.tinypic.com/a0eyvs.jpg The first list-item is using the text-indent technique above. Compared with how it normally looks with list-style-position: outside it's misaligned, off by a pixel in this case. – Sunny ...
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C# 能否获取一个对象所占内存的大小? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...用(请考虑使用 System.Runtime.InteropServices.Marshal.SizeOf) 修改Marshal.SizeOf方法,改方法返回对象的非托管大小(以字节单位)。参数可以是引用类型或装箱的值类型。布局必须是连续的或显式的。 int size = Marshal.SizeOf(new TestStu...
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Convert objective-c typedef to its string equivalent

...ace this in your .h file, outside the @interface block typedef enum { JPG, PNG, GIF, PVR } kImageType; #define kImageTypeArray @"JPEG", @"PNG", @"GIF", @"PowerVR", nil // Place this in the .m file, inside the @implementation block // A method to convert an enum to string -(NSString...
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Alias with variable in bash [duplicate]

...the file and reload $ source ~/.bashrc And execute: $ sendpic filename.jpg original source: http://www.linuxhowtos.org/Tips%20and%20Tricks/command_aliases.htm share | improve this answer ...