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Automatic Retina images for web sites
...
There is a new attribute for the img tag that allows you to add a retina src attribute, namely srcset. No javascript or CSS needed, no double loading of images.
<img src="low-res.jpg" srcset="high-res.jpg 2x">
Browser Support: http://caniuse.com/#sea...
线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...只存于一个线程当中。当你在B线程使用A线程的窗口对象指针pWnd，B线程对此对象指针做AssertValid时，会因为以下几种原因导致断言失败:
1. CHandleMap* pMap = afxMapHWND(); ASSERT(pMap != NULL)失败;该线程没有映射表。原因这个线程只...
由“Pure Virtual Function Called” 考虑到的 - C/C++ - 清泛网 - 专注C/C++及内核技术
...析构时，基类析构函数执行的前期会修改对象的虚函数表指针值 一般情况下（特指基类不使用novtable属性），debug编译出 1. 派生类对象析构时，基类析构函数执行的前期会修改对象的虚函数表指针值
一般情况下（特指基...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
...<!doctype html>
<style>
.MyClass123{
content:url("http://imgur.com/SZ8Cm.jpg");
}
</style>
<img class="MyClass123"/>
Tested and working:
Chrome 14.0.835.163
Safari 4.0.5
Opera 10.6
Tested and Not working:
FireFox 40.0.2 (observing Developer Network ...
What is the JSF resource library for and how should it be used?
...which use it as follows with the common content/file type css , js and img (or image ) as library name depending on the tag used:
...
Replacing H1 text with a logo image: best method for SEO and accessibility?
...he option:
<h1>
<a href="http://stackoverflow.com">
<img src="logo.png" alt="Stack Overflow" />
</a>
</h1>
title in href and img to h1 is very, very important!
share
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...
Simple and fast method to compare images for similarity
...nd fast algorithm to compare two images) once and for all, I contribute an img_hash module to opencv_contrib, you can find the details from this link.
img_hash module provide six image hash algorithms, quite easy to use.
Codes example
origin lena
blur lena
resize lena
shift lena
#include <...
Center image using text-align center?
... text-align property applies to block containers, not inline elements, and img is an inline element. See the W3C specification.
Use this instead:
img.center {
display: block;
margin: 0 auto;
}
<div style="border: 1px solid black;">
<img class="center" src ="https://cdn.ss...
load scripts asynchronously
... script('js/myFunctions.js');
script('js/farinspace/jquery.imgpreload.min.js');
script('js/marquee.js');
})();
</script>
<script type="text/javascript">
// once the page is loaded go to index2.html
window.onload...
Specifying and saving a figure with exact size in pixels
...pixels! To avoid this I used dpi=1 in matplotlib.image.imsave(output_path, img, dpi=1). Apparently, the bug has been known for some time (see here: github.com/matplotlib/matplotlib/issues/4280).
– Godrebh
Aug 7 at 8:20
...