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Razor MVC Populating Javascript array with Model Array
...e loop.
var allowedExtensions = new string[] { ".jpg", ".jpeg", ".bmp", ".png", ".gif" };
var bannerImages = string.Join(",", Directory.GetFiles(Path.Combine(System.Web.Hosting.HostingEnvironment.ApplicationPhysicalPath, "Images", "banners"), "*.*", SearchOption.TopDirectoryOnly)
.Where(d =>...
What's the best way to set a single pixel in an HTML5 canvas?
... using drawImage() to show it:
var img = new Image;
img.src = "data:image/png;base64," + myPNGEncoder(r,g,b,a);
// Writing the PNGEncoder is left as an exercise for the reader
creating another img or canvas filled with all the pixels you want and use drawImage() to blit just the pixel you want acr...
Side-by-side plots with ggplot2
... To print the side effect to a file, specify a device driver (such as pdf, png, etc), e.g.
pdf("foo.pdf")
grid.arrange(plot1, plot2)
dev.off()
or, use arrangeGrob() in combination with ggsave(),
ggsave("foo.pdf", arrangeGrob(plot1, plot2))
This is the equivalent of making two distinct plots us...
Unicode characters in URLs
...do modern browsers send to to servers in the request line GET /images/logo.png HTTP/1.1? Do they always percent-encode the URL?
– Flimm
Sep 11 '15 at 16:34
...
rotating axis labels in R
...0", "SP244", "SP31", "SP147")
Second, give the name for a chart file
png(file = "Bargraph.jpeg", width = 500, height = 300)
Third, Plot the bar chart
barplot(H,names.arg=M,ylab="Degree ", col= rainbow(5), las=2, border = 0, cex.lab=1, cex.axis=1, font=1,col.axis="black")
title(xlab="Service...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...ng the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
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How do I change the figure size with subplots?
...his doesn't have to do anything with your monitor. What if you output to a png? Are you saying it can never be larger than screen resolution? Its the combination of size in inches with the dpi that determines the size in pixels.
– Rutger Kassies
Jul 8 '17 at 16...
ImageView in circular through xml
...able/circle_crop" />
</FrameLayout>
Simply put a circular_crop.png in your drawable folder which is in the shape of your image dimensions (a square in my case) with a white background and a transparent circle in the center. You can use this image if you have want a square imageview.
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Making text background transparent but not text itself
...
For background images, just use a PNG or WEBP with an alpha channel as your image.
– Karl-Johan Sjögren
Mar 28 at 21:45
add a comment...
Using curl to upload POST data with files
... confused by the part about url-encoding the file. I have uploaded JPG and PNG files like this without modifying them, without any problems.
– Deanna Gelbart
May 16 '13 at 0:27
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