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How to run a program without an operating system?
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Burn the image to an USB stick (will destroy your data!):
sudo dd if=main.img of=/dev/sdX
plug the USB on a computer
turn it on
tell it to boot from the USB.
This means making the firmware pick USB before hard disk.
If that is not the default behavior of your machine, keep hitting Enter, F12, E...
How to develop or migrate apps for iPhone 5 screen resolution?
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It's worth noting that [UIImage imageNamed:@"background.png"] will still only load either "background.png" or "background@2x.png", it will not load "background-568h@2x.png" if it exists.
– tvon
Sep 13 '12 at 20:34
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How do I save a UIImage to a file?
...ents folder of your app. You use NSFileManager to do that.
You use UIImagePNGRepresentation to convert your image to NSData and save that to disk.
// Create path.
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *filePath = [[paths objectAt...
Fast way to get image dimensions (not filesize)
...the height and width of an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obviously reads the images as a whole f...
sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
... your parameters a tuple:
cursor.execute('INSERT INTO images VALUES(?)', (img,))
Without the comma, (img) is just a grouped expression, not a tuple, and thus the img string is treated as the input sequence. If that string is 74 characters long, then Python sees that as 74 separate bind values, ea...
Setting an image for a UIButton in code
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Objective-C
UIImage *btnImage = [UIImage imageNamed:@"image.png"];
[btnTwo setImage:btnImage forState:UIControlStateNormal];
Swift 5.1
let btnImage = UIImage(named: "image")
btnTwo.setImage(btnImage , for: .normal)
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What is the difference between the $parse, $interpolate and $compile services?
...is the role of each service let's take example of this piece of HTML:
var imgHtml = '<img ng-src="/path/{{name}}.{{extension}}">'
and values on the scope:
$scope.name = 'image';
$scope.extension = 'jpg';
Given this markup here is what each service brings to the table:
$compile - it can...
How do I add a tool tip to a span element?
....com" title="Link to stackoverflow.com">stackoverflow.com</a>
<img src="something.png" alt="Something" title="Something">
All of those will render tooltips in most every browser.
share
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How to remove unwanted space between rows and columns in table?
...blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, em...
Convert between UIImage and Base64 string
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Swift 5
Encoding
func convertImageToBase64String (img: UIImage) -> String {
return img.jpegData(compressionQuality: 1)?.base64EncodedString() ?? ""
}
Decoding
func convertBase64StringToImage (imageBase64String:String) -> UIImage {
let imageData = Data.init(bas...