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How to serve an image using nodejs
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var action = request.pathname;
if (action == '/logo.gif') {
var img = fs.readFileSync('./logo.gif');
res.writeHead(200, {'Content-Type': 'image/gif' });
res.end(img, 'binary');
} else {
res.writeHead(200, {'Content-Type': 'text/plain' });
res.end('Hello World \n');
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How to get a pixel's x,y coordinate color from an image?
...he same width and height as your image and has the image drawn on it.
var img = document.getElementById('my-image');
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
canvas.getContext('2d').drawImage(img, 0, 0, img.width, img.height);
After that...
FloatActionBtn 扩展：悬浮操作按钮扩展，可自定义颜色、大小、图标和位置 ...
...lumn; align-items: center; } .feedback-pop:hover, .feedback-pop .feedback-img:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 ...
Does “display:none” prevent an image from loading?
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If you want to prevent the image from loading you may simply not add the IMG element to your document (or set the IMG src attribute to "data:" or "about:blank").
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tring");
char *str = (char*) bstr1;
BSTR是一种字符串指针，如果你在VC找寻其定义，你会发现它其实是unsigned short*，然而它不能像普通的字符串指针char*一样可以直接赋值，而必须使用SysAllocString来分配，用SysFreeString来释放...
Fluid width with equally spaced DIVs
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On html
<div id="container">
<ul>
<li><img src="box1.png"><li>
<li><img src="box2.png"><li>
<li><img src="box3.png"><li>
<li><img src="box4.png"><li>
<li><img s...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
... pSub[0] = GetDlgItem(IDC_RADIO1); //得到单选按钮的指针
pSub[1] = GetDlgItem(IDC_BUTTON1);
"m_tip[0].Create(pSub[0],TTS_ALWAYSTIP); //创建CToolTipCtrl
"m_tip[0].AddTool(pSub[0]); //将CToolTipCtrl与相应的控件对应起来
"m_...
Drawing an SVG file on a HTML5 canvas
...afari work, Firefox works with some bugs (but nightly has fixed them).
var img = new Image();
img.onload = function() {
ctx.drawImage(img, 0, 0);
}
img.src = "http://upload.wikimedia.org/wikipedia/commons/d/d2/Svg_example_square.svg";
Live example here. You should see a green square in the canv...
Preview an image before it is uploaded
....readAsDataURL(input.files[0]); // convert to base64 string
}
}
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input type='file' id="imgInp" />...
Convert Base64 string to an image file? [duplicate]
...path = md5(time().uniqid()).".jpg"; $decoded=base64_decode($base64_string_img); file_put_contents("uploads/".$filename_path,$decoded);
– Rizwan Gill
Feb 6 '15 at 12:09
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