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Vertically aligning CSS :before and :after content [duplicate]
...df:before {
padding: 0 5px 0 0;
content: url(../img/icon/pdf_small.png);
vertical-align: -50%;
}
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Fastest method of screen capturing on Windows
...
I use d3d9 to get the backbuffer, and save that to a png file using the d3dx library:
IDirect3DSurface9 *surface ;
// GetBackBuffer
idirect3ddevice9->GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO, &surface ) ;
// save the surface
D3DXSaveSurfaceToFi...
扫码（HarmonyScan）使用指导 · App Inventor 2 中文网
...认原始结果，再编写业务处理。
先上传有二维码的 qr.png；图片识别同样通过 ScanResult 返回。真机需要相关系统扫码能力和相机授权，取消不当作识别成功。
案例一：启动系统扫码
各案例独立使用；组合到...
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
... //非可视拓展
iconName = "aiwebres/small-icon.png") //拓展的图标，可以使用相对路径
@SimpleObject(external = true)
@SuppressWarnings("deprecation")
@UsesPermissions(permissionNames = "android.permission.INTERNET") //拓展需要请...
IE 8: background-size fix [duplicate]
...edia \0screen {
.brand {
background-image: url("./images/logo1.png");
margin-top: 8px;
}
.navbar .brand {
margin-left: -2px;
padding-bottom: 2px;
}
}
//IE7.0 Hack!
*+html .brand {
background-image: url("./images/logo1.png");
margin-top: 8px;
...
Setting UIButton image results in blue button in iOS 7
... In our case, the button was even clipping to the shape of the transparent PNG and then tinting.
– g_pass
May 22 '14 at 0:16
...
How can I discover the “path” of an embedded resource?
I am storing a PNG as an embedded resource in an assembly. From within the same assembly I have some code like this:
5 Ans...
Android screen size HDPI, LDPI, MDPI [duplicate]
...te: You only need to provide density-specific drawables for bitmap files (.png, .jpg, or .gif) and Nine-Path files (.9.png). If you use XML files to define shapes, colors, or other drawable resources, you should put one copy in the default drawable directory (drawable/).
To create alternative bitma...
how to read all files inside particular folder
...r file name and second is for format of the file or File Extension like (*.png -
any file name with .png format.
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Creating a BLOB from a Base64 string in JavaScript
...ys, {type: contentType});
return blob;
}
const contentType = 'image/png';
const b64Data = 'iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==';
const blob = b64toBlob(b64Data, contentType);
const blobUrl = URL.createObject...