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When should I use Lazy?
... You may want to initialize/instantiate everything "during" system start-up to prevent user latency in high throughput, low latency systems. This is just one of the many reasons to not "always" use Lazy.
– Derrick
Sep 30 '14 at 12:34
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Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
...or) will update the readystate to 4. So losing internet after the transfer starts will flip it to 4, not back to 0. If there has never been internet when the transfer is attempted, it should still be at 0; it will only move to 1 after handshake.
– Greg Pettit
A...
How does StartCoroutine / yield return pattern really work in Unity?
I understand the principle of coroutines. I know how to get the standard StartCoroutine / yield return pattern to work in C# in Unity, e.g. invoke a method returning IEnumerator via StartCoroutine and in that method do something, do yield return new WaitForSeconds(1); to wait a second, th...
SVN: Is there a way to mark a file as “do not commit”?
...o re-add all of your "ignore-on-commit" files again. Not ideal - you could start maintaining your own 'ignore' list in a file as others have done.
Then, for the files you want to exclude:
svn cl ignore-on-commit path\to\file-to-ignore
Because files can only be in one changelist, running this add...
WPF Application that only has a tray icon
...der if anyone could give me some pointers how to write an application that starts minimized to tray. The idea is that it periodically fetches an RSS Feed and creates a Toaster-Popup when there are new feeds.
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RESTful Authentication via Spring
...ls getUserFromToken(String token);
}
That ought to get you off to a good start. Happy coding. :)
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What's the difference between a Future and a Promise?
...ious workover by a decent tech author. On my fifth read-through I can just start to appreciate what it's trying to say ... and I come to this with an understanding of futures and promises already in place!
– Beetroot-Beetroot
Jan 28 '13 at 3:26
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How to get the current date/time in Java [duplicate]
...ity rather than any one specific locality. For example Christmas this year starts at midnight on the 25th of December: 2017-12-25T00:00:00, to be represented as a LocalDateTime. But this means midnight at various points around the globe at different times. Midnight happens first in Kiribati, later i...
What does glLoadIdentity() do in OpenGL?
...m the matrix's current 'position', not from the origin. But if you want to start over at the origin, that's when you call glLoadIdentity(), and then you can glTranslate from the matrix which is now located at the origin, or glRotate from the matrix which is now oriented in the default direction.
I ...