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How to convert a PNG image to a SVG? [closed]

...nm # PNG to PNM potrace file.pnm -s -o file.svg # PNM to SVG Explain options potrace -s => Output file is SVG potrace -o file.svg => Write output to file.svg Example Input file = 2017.png convert 2017.png 2017.pnm Temporary file = 2017.pnm potrace 2017.pnm -s -o 2017.svg ...
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How to capitalize the first letter in a String in Ruby

...want it to, it outputs мария instead of Мария. If you're using Rails there's an easy workaround: "мария".mb_chars.capitalize.to_s # requires ActiveSupport::Multibyte Otherwise, you'll have to install the unicode gem and use it like this: require 'unicode' Unicode::capitalize("м...
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Detecting iOS / Android Operating system

...dow.opera; // Windows Phone must come first because its UA also contains "Android" if (/windows phone/i.test(userAgent)) { return "Windows Phone"; } if (/android/i.test(userAgent)) { return "Android"; } // iOS detection from: http://stackoverflow.com/a/90...
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Detect iPad users using jQuery?

...ption is incorrect as iOS apps can and do customize their user agent. The main offender here is Facebook. Compare these user agent strings from iOS devices: # iOS Safari iPad: Mozilla/5.0 (iPad; CPU OS 5_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B176 Safari/7534.4...
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How can I concatenate two arrays in Java?

...files where some of the facilities like those mentioned by Antti are not available. – kvn Feb 7 '11 at 15:46 4 ...
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最新编程语言Alda:用文本编辑器就能谱曲 - 创意 - 清泛网 - 专注C/C++及内核技术

...里编写 MIDI 乐谱,完全不需要花时间成本去学习新的软件界面。 Alda 还支持各种五线谱的标记方式,像是音符长度、临时记号、多种乐器等。就其现阶段而言,完成基本的乐谱是完全没问题的,不过变调、重复等一些标记还需...
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mfc从CImageList中获取CBitmap位图对象 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 然后通过CDC的BitBlt(或者StretchBlt、TransparentBlt)绘制到界面上,效果如图: CImageList CBitmap 位图
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预编译头文件来自编译器的早期版本,或者预编译头为 C++ 而在 C 中使用它(...

...文件,其他文件保持不变: c文件右键“属性”,设置界面同上。 2、方案二:使用静态lib库。 方案2:影响的文件比较多,则把它们都设置禁止预编译头的话仍然会使项目总体的编译速度大大降低,得不偿失。这时考虑...
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MFC CFormView和CView区别 - C/C++ - 清泛网 - 专注C/C++及内核技术

...一般来说,view是用来显示document中保存的数据,并且响应界面的消息,view自己一般不保存数据,和对话框的功能完全不同。对话框是独立的,数据放在对话框中。因为document的数据千差万别,所以view必须使用最低级的手段来显...
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MFC非客户区完美自绘(标题栏,边框,标题按钮)例子 - C/C++ - 清泛网 - 专...

...以图片(位图)填充,这样做非常灵活,一些软件漂亮的界面都是采用图片GDI自绘拼出来的。 本文系清泛网整理。 MFC 非客户区 自绘