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Spring MVC: How to return image in @ResponseBody?
....59/tmpFiles/1.jpg", "r");
byte[] b = new byte[(int)f.length()];
f.readFully(b);
final HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.IMAGE_PNG);
return new ResponseEntity<byte[]>(b, headers, HttpStatus.CREATED);
}
Worked For Me.
...
Save An Image To Application Documents Folder From UIView On IOS
...ile name
[pngData writeToFile:filePath atomically:YES]; //Write the file
Reading it later works the same way. Build the path like we just did above, then:
NSData *pngData = [NSData dataWithContentsOfFile:filePath];
UIImage *image = [UIImage imageWithData:pngData];
What you'll probably want to d...
Fragment onResume() & onPause() is not called on backstack
...esume() or onPause() is called.
They are tightly coupled to the Activity.
Read the Handling the Fragment Lifecycle section of this article.
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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()
...arDate(zone);
setTimeInMillis(System.currentTimeMillis());
}
so it already automatically does what you suggest. Date's default constructor holds this:
public Date() {
this(System.currentTimeMillis());
}
So there really isn't need to get system time specifically unless you want to do som...
CHECK constraint in MySQL is not working
...
MySQL 8.0.16 is the first version that supports CHECK constraints.
Read https://dev.mysql.com/doc/refman/8.0/en/create-table-check-constraints.html
If you use MySQL 8.0.15 or earlier, the MySQL Reference Manual says:
The CHECK clause is parsed but ignored by all storage engines.
Try ...
jQuery validation: change default error message
...ter at least {0} characters"),
remote: jQuery.format("{0} is already in use")
}
}
});
The complete API for validate(...) : http://jqueryvalidation.org/validate
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Transposing a 2D-array in JavaScript
...el
function tranpose(matrix) {
return _.zip(...matrix);
}
// Without spread operator.
function transpose(matrix) {
return _.zip.apply(_, [[1,2,3], [1,2,3], [1,2,3]])
}
Vanilla approach
function transpose(matrix) {
const rows = matrix.length, cols = matrix[0].length;
const grid = [];
f...
How can I get the Typescript compiler to output the compiled js to a different directory?
...
@theaceofthespade It is useful if you want to include or read files in your source folder relative to __dirname. (For example a .graphql schema file)
– janispritzkau
Feb 14 '19 at 7:55
...
Padding within inputs breaks width 100%
...cko */
box-sizing: border-box; /* Opera/IE 8+ */
}
You can read more about it here: http://css-tricks.com/box-sizing/
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...
Getting View's coordinates relative to the root layout
...
the android api already provides the relative coordinate to the root. look here stackoverflow.com/a/36740277/2008214
– carlo.marinangeli
Aug 1 '16 at 10:29
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