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Javascript switch vs. if…else if…else
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Is anything quantifiable shown in this description? It reads like a lot of "best practices/premature optimization" conjecture. It was also written 7 years ago, so javascript optimizations have changed tremendously in this time. In compiled languages, the performance difference ...
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...
How to install a plugin in Jenkins manually
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I found it under /var/lib/jenkins however, there are already many plugins but they end with .jpi instead of .hpi. What should I do?
– Black
Mar 27 '17 at 7:18
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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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What does .SD stand for in data.table in R
...f life for data munging -- as of this writing, fwrite cannot automatically read Date or POSIXct columns, and conversions back and forth among character/factor/numeric are common. We can use .SD and .SDcols to batch-convert groups of such columns.
We notice that the following columns are stored as c...
Equivalent of “continue” in Ruby
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Ruby has two other loop/iteration control keywords: redo and retry.
Read more about them, and the difference between them, at Ruby QuickTips.
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Detecting CTRL+C in Node.js
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If you're trying to catch the interrupt signal SIGINT, you don't need to read from the keyboard. The process object of nodejs exposes an interrupt event:
process.on('SIGINT', function() {
console.log("Caught interrupt signal");
if (i_should_exit)
process.exit();
});
Edit: doesn...
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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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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Visual Studio loading symbols
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Indeed this works! Incredible! Has anyone already reported this obvious bug to Microsoft?
– real_yggdrasil
Sep 12 '12 at 9:54
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