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IOException: read failed, socket might closed - Bluetooth on Android 4.3

...b/android-4.3_r2/core/java/android/bluetooth/BluetoothDevice.java#L1037). Now, when I receive that exception, I instantiate a fallback BluetoothSocket, similar to the source code below. As you can see, invoking the hidden method createRfcommSocket via reflections. I have no clue why this method is ...
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In .NET, which loop runs faster, 'for' or 'foreach'?

... @Hardwareguy: Once you know that for is almost imperceptably faster, why shouldn't you start using it in general? It doesn't take extra time. – DevinB Sep 3 '09 at 13:06 ...
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When should you use constexpr capability in C++11?

...t b ) { return a * b; } const int meaningOfLife = MeaningOfLife( 6, 7 ); Now you have something that can be evaluated down to a constant while maintaining good readability and allowing slightly more complex processing than just setting a constant to a number. It basically provides a good aid to ma...
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Use email address as primary key?

...an't say that a proposed key is not unique based on hypotheticals without knowing the context. e.g. from the phone company's point of view, a telephone number uniquely identifies a customer, by definition. Yes, you can say, "But what if there are two or three people who might answer when you call th...
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How to convert nanoseconds to seconds using the TimeUnit enum?

... This answer is now wrong - convert() and the toFoo() methods all return longs now docs.oracle.com/javase/6/docs/api/java/util/concurrent/… – Riking Jul 30 '13 at 1:58 ...
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Why does Azure deployment take so long?

...redis cache on Azure. My first service on azure - been waiting for 25 mins now and can't believe that this is normal / acceptable. – Gravy Jan 22 '18 at 17:09 1 ...
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Change branch base

...^..commit5 # cherry-pick range of commits # note the '^' after commit4 Now, if all is ok, then do force (-f) push to remote PRO branch and delete local PRO.bac branch: $ git log # check the commit history $ git push -f origin HEAD # replace the remote PRO by local PRO branch ...
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Detect iPad Mini in HTML5

...ertain whether this is because the size of the viewport is really actually now fixed at that value after you rotate the tab, or if it is simply being cached incorrectly somewhere, but if you sit around and play with multiple tabs in various rotation configurations you can see how it correlates. Wher...
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Prevent form submission on Enter key press

... from being handled further. NOTE: It's been pointed out that keyCode is now deprecated. The next best alternative which has also been deprecated. Unfortunately the favored standard key, which is widely supported by modern browsers, has some dodgy behavior in IE and Edge. Anything older than IE11...
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Change priorityQueue to max priorityqueue

... +1; if (lhs.equals(rhs)) return 0; return -1; } }); Now, the priority queue will reverse all its comparisons, so you will get the maximum element rather than the minimum element. Hope this helps! shar...