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How do I style a dropdown with only CSS?

...ents are not supported */ background-image: url(../images/select-arrow.png), -webkit-linear-gradient(top, #E5E5E5, #F4F4F4); /* For Chrome and Safari */ background-image: url(../images/select-arrow.png), -moz-linear-gradient(top, #E5E5E5, #F4F4F4); /* For old Firefox (3.6 to 15) */ backg...
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How to save an image to localStorage and display it on the next page?

...; ctx.drawImage(img, 0, 0); var dataURL = canvas.toDataURL("image/png"); return dataURL.replace(/^data:image\/(png|jpg);base64,/, ""); } Then, on my next page I created an image with a blank src like so: <img src="" id="tableBanner" /> And straight when the page loads, I use...
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How do you plot bar charts in gnuplot?

...ting a text file of GNUplot commands. Lets call it commands.txt: set term png set output "graph.png" set boxwidth 0.5 set style fill solid plot "data.dat" using 1:3:xtic(2) with boxes set term png will set GNUplot to output a .png file and set output "graph.png" is the name of the file it will ou...
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Capture screenshot of active window?

... /// <param name="format">Optional file save mode. Default is PNG</param> public static void CaptureAndSave(string filename, CaptureMode mode = CaptureMode.Window, ImageFormat format = null) { ImageSave(filename, format, Capture(mode)); } ...
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“hello, world” 起源及其他 - 创意 - 清泛网 - 专注C/C++及内核技术

...篇示例文章(我的hello world)、环境搭建成功后的第一个测试… 问题的提出 相传古时候有个退休的程序员,在家闲来无事,决定修习书法之道。第一日,备好笔墨纸砚,便挥毫写下一行大字:“hello, world”。 学过编程语言的...
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Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...

...小于、等于逻辑表达式写法本文简要介绍Linux Shell if条件测试语句的写法,如比较字符串、判断文件是否存在及是否可读等,通常用 "[] "来表示条件测试。注意:if [ xxx ] 表达式前后都要有空格。这里的空格很重要...
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libcurl网络连接使用tcp/ip - C/C++ - 清泛网 - 专注C/C++及内核技术

...代码如下:CURL *curl;CURLcode res;const char *request = "GETas.xxxxE测试发送"; curl_socket_t sockfd; * socket * ...部分代码如下: CURL *curl; CURLcode res; const char *request = "GETas.xxxxE测试发送"; curl_socket_t sockfd; /* socket */ long sockextr; size_t iolen;...
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c++ 写日志通用类,可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ows & linux 通用),可设置日志级别。代码经过较长时间的测试,可用性高。Logger.h #ifndef __LOGGER_H_ #define __LOGGER_H_ #include <iostream> #include <atlstr.h> #pragma warning(disable:4996) #define LEVEL_FATAL 0 #define LEVEL_ERROR 1 #define LEVEL_WARN 2 ...
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BugTrap程序崩溃快照上传服务端开发配置 - C/C++ - 清泛网 - 专注C/C++及内核技术

...r的目录: 此目录下包括BugTrap的库文件(.h,.lib,.dll),测试实例,测试工具等。 此目录下包括BugTrap服务端的安装程序,用于接收客户上传的崩溃包文件。 推荐使用tcp版本的服务端,.net编写的,可自动安装成windows服务...
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由“Pure Virtual Function Called” 考虑到的 - C/C++ - 清泛网 - 专注C/C++及内核技术

...函数表地址 release下编译出来的就不是这样子。以一个小测试程序为例,编译器做了优化,并没有在调用基类析构函数时做赋值。但不确定编译器是否会一直做优化,因为看到了派生类析构函数体实质内容执行之前对虚函数表指...