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Get Image size WITHOUT loading image into memory
... the output of the python magic module:
>>> t = magic.from_file('teste.png')
>>> t
'PNG image data, 782 x 602, 8-bit/color RGBA, non-interlaced'
>>> re.search('(\d+) x (\d+)', t).groups()
('782', '602')
This is a wrapper around libmagic which read as few bytes as possib...
Convert between UIImage and Base64 string
... 0))
let image = UIImage(data: imageData!)
return image!
}
Note: Tested in xcode 10.2
Swift 4
Encoding
func convertImageToBase64String (img: UIImage) -> String {
let imageData:NSData = UIImageJPEGRepresentation(img, 0.50)! as NSData //UIImagePNGRepresentation(img)
let imgString...
What is aria-label and how should I use it?
... ARIA can lead to significantly worse accessibility if not implemented and tested properly. Don't use ARIA just to have some "cool things in the code" which you don't fully understand. Sadly too often ARIA implementations introduce more issues than solutions in terms of accessibility. This is rather...
How do I move a file with Ruby?
...this works across drives, local and remote, eg <code>File.rename 'c:/test/test.txt', 'e:/test.txt'</code>, what OS do you use ?
– peter
Jan 25 '13 at 10:23
...
CHECK constraint in MySQL is not working
...ple for BEFORE INSERT working after MySQL 5.5
DELIMITER $$
CREATE TRIGGER `test_before_insert` BEFORE INSERT ON `Test`
FOR EACH ROW
BEGIN
IF CHAR_LENGTH( NEW.ID ) < 4 THEN
SIGNAL SQLSTATE '12345'
SET MESSAGE_TEXT := 'check constraint on Test.ID failed';
END IF;
END$$ ...
C++ Build Systems - What to use? [closed]
...d "start-up" servers as a part of this process. Similarly, the regression-tests were executed as a part of this process, with heavy "reporting" and "difference-testing" between versions -- all as a part of our "build-scripts".
...
Linux, Why can't I write even though I have group permissions?
...am user el
el
touch /foobar/test_file //make a new file
sudo chown root:www-data /foobar/test_file //User=root group=www-data
sudo chmod 474 /foobar/test_file //owner and others get only read,
...
Flexbox and Internet Explorer 11 (display:flex in ?)
...="Content-Type" content="text/html; charset=UTF-8" >
<title>Flex Test</title>
<style>
html, body {
margin: 0px;
padding: 0px;
height: 100vh;
}
.main {
display: -webkit-flex;
display: flex;
-ms-flex-direction: row;
flex-direction: row;
...
Is String.Contains() faster than String.IndexOf()?
...me his initial complaint with concatenation is memory usage, then he only tests for time spent with the various ways to combine strings.
– sab669
Oct 15 '13 at 20:53
add a co...
Lombok annotations do not compile under Intellij idea [duplicate]
It seems everything is OK. But when I compile a test, errors come: can not find the methods getXXX and setXXX.
11 Answers
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