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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...if you are inside an HTML tag, you are in real trouble. Look at
echo '<img src= "' . htmlspecialchars($_GET['imagesrc']) . '" />';
We're already inside an HTML tag, so we don't need < or > to do anything dangerous. Our attack vector could just be javascript:alert(document.cookie)
Now...
Show an image preview before upload
...to a data URL:
The html code:
<input type="file" id="files" />
<img id="image" />
The JavaScript code:
document.getElementById("files").onchange = function () {
var reader = new FileReader();
reader.onload = function (e) {
// get loaded data and render thumbnail.
...
How to convert a PIL Image into a numpy array?
...to convert your image to a numpy array this way:
import numpy
import PIL
img = PIL.Image.open("foo.jpg").convert("L")
imgarr = numpy.array(img)
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Position a CSS background image x pixels from the right?
...ssible to use attribute border as length from the right
background: url('/img.png') no-repeat right center;
border-right: 10px solid transparent;
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SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
...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 ...
How do I use Wget to download all images into a single folder, from a URL?
... web all at once, range starts from 0 to 19.
wget http://joindiaspora.com/img{0..19}.jpg
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Recommendation for compressing JPG files with ImageMagick
...rip -interlace Plane -gaussian-blur 0.05 -quality 60% -adaptive-resize 60% img_original.jpg img_resize.jpg
These were my results
img_original.jpg = 13,913KB
img_resized.jpg = 845KB
I'm not sure if that conversion destroys my image too much, but I honestly didn't think my conversion looked li...
Load resources from relative path using local html in uiwebview
...est:[NSURLRequest requestWithURL:url]];
Now all your relative links(like img/.gif, js/.js) in the html should get resolved.
Swift 3
if let path = Bundle.main.path(forResource: "dados", ofType: "html", inDirectory: "root") {
webView.load( URLRequest(url: URL(fileURLWithPath: path)) )...
Strip HTML from Text JavaScript
...is with HTML from an untrusted source. To see why, try running strip("<img onerror='alert(\"could run arbitrary JS here\")' src=bogus>")
– Mike Samuel
Sep 22 '11 at 18:06
26...
Django get the static files URL in view
...static import static:
from django.templatetags.static import static
...
img_url = static('images/logo_80.png')
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