Vertical alignment of subfigures LATEX
You can also use \raisebox{x}{\includegraphics[…]{…}} where x is negative to shift it downwards and positive to shift upwards.
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Ionic 2 + Angular 2: Images prepended with ‘unsafe:’ therefore not displaying even though they’re fine
For anyone experiencing this issue, I have ‘solved’ it by using the following: Class: import {DomSanitizationService} from ‘@angular/platform-browser’; constructor(private _DomSanitizationService: DomSanitizationService) {} Template: <img [src]=”_DomSanitizationService.bypassSecurityTrustUrl(imgSrcProperty)”/> Where imgSrcProperty is the offending image base64 encoded. I still think this is a bug!
Laravel assets url
You have to put all your assets in app/public folder, and to access them from your views you can use asset() helper method. Ex. you can retrieve assets/images/image.png in your view as following: <img src=”https://stackoverflow.com/questions/24794601/{{asset(“assets/images/image.png’)}}”>
iPhone – How do you color an image?
Make this a UIImage category. It also takes into account the scale factor with iOS 4. – (UIImage *)imageWithOverlayColor:(UIColor *)color { CGRect rect = CGRectMake(0.0f, 0.0f, self.size.width, self.size.height); if (UIGraphicsBeginImageContextWithOptions) { CGFloat imageScale = 1.0f; if ([self respondsToSelector:@selector(scale)]) // The scale property is new with iOS4. imageScale = self.scale; UIGraphicsBeginImageContextWithOptions(self.size, NO, imageScale); } else { … Read more
Adding images to an HTML document with JavaScript
You need to use document.getElementById() in line 3. If you try this right now in the console: var img = document.createElement(“img”); img.src = “http://www.google.com/intl/en_com/images/logo_plain.png”; var src = document.getElementById(“header”); src.appendChild(img); <div id=”header”></div> … you’d get this:
Recursively batch process files with pngquant
If you have limited depth of directories and not too many files, then lazy solution: pngquant *.png */*.png */*/*.png A standard solution: find . -name ‘*.png’ -exec pngquant –ext .png –force 256 {} \; and multi-core version: find . -name ‘*.png’ -print0 | xargs -0 -P8 -L1 pngquant –ext .png –force 256 where -P8 defines … Read more
Swift – How can I make an image full screen when clicked and then original size when clicked again? [closed]
Here is code which creates a full screen image (with black bars to preserve aspect ratio) when an image is clicked. To use this, add this code to your ViewController which holds the image. Then, for your imageView that you want to expand, check the box for userInteractionEnabled in the Attributes Inspector, and add a … Read more
How to identify contents of a byte[] is a JPEG?
From wikipedia: JPEG image files begin with FF D8 and end with FF D9. http://en.wikipedia.org/wiki/Magic_number_(programming)
OpenCV draw an image over another image
Use Mat::rowRange() and Mat::colRange() to specify the area to which you want to draw in the destination Mat. Code: Mat src( 5, 7, CV_8UC1, Scalar(1)); // 5×7 Mat dst(10, 10, CV_8UC1, Scalar(0)); // 10×10 src.copyTo(dst.rowRange(1, 6).colRange(3, 10)); Results in the following: before copyTo(): dst: ( 0 0 0 0 0 0 0 0 0 0 … Read more
Dynamically replace img src attribute with jQuery
This is what you wanna do: var oldSrc=”http://example.com/smith.gif”; var newSrc=”http://example.com/johnson.gif”; $(‘img[src=”‘ + oldSrc + ‘”]’).attr(‘src’, newSrc);