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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.
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Integer.toString(int i) vs String.valueOf(int i)
...nstead of using String.valueOf(int), you can use String.format("%d",i); to read more please visit this web site docs.oracle.com/javase/6/docs/api/java/util/Formatter.html
– Damian Leszczyński - Vash
Sep 24 '13 at 7:38
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How can I get the Typescript compiler to output the compiled js to a different directory?
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@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
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How to strip all whitespace from string
...hitespace characters - and not just a space (tabs, newlines, etc). You can read more about it in the manual.
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Concatenating two lists - difference between '+=' and extend()
... Oh, you meant that you can pass any iterable to extend(). I read it as "extend() is available for any iterable" :) My bad, but it sounds a little ambiguous.
– wombatonfire
Mar 23 '19 at 12:03
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Connecting to remote URL which requires authentication using Java
...uch as setting a global authenticator which pulls the credentials out of thread-local variables, and set the credentials per thread before making the HTTP connection.
– David Given
May 29 '17 at 14:46
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Retrieving a List from a java.util.stream.Stream in Java 8
...: static import java.util.stream.Collectors.toList;. Then the collect call reads just .collect(toList()).
– Lii
Jun 29 '16 at 8:54
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Add custom messages in assert?
...e talking about. ie.:
assert(a == b); // A must be equal to B
Since the reader of the assert error will look up the file and line anyway from the error message, they will see the full explanation here.
Because, at the end of the day, this:
assert(number_of_frames != 0); // Has frames to update
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Angular JS break ForEach
...tive Array.some or Array.every functions are recommended by MDN as you can read at native forEach documentation:
"There is no way to stop or break a forEach loop. The solution is to use Array.every or Array.some"
Following examples are provided by MDN:
Array.some:
function isBigEnough(elemen...
setMaxResults for Spring-Data-JPA annotation?
...se as seen in the example or by handing a Sort parameter into the method). Read more on that in the blog post covering new features of the Spring Data Evans release train or in the documentation.
For previous versions
To retrieve only slices of data, Spring Data uses the pagination abstraction whi...