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IOException: read failed, socket might closed - Bluetooth on Android 4.3
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I have finally found a workaround. The magic is hidden under the hood of the BluetoothDevice class (see https://github.com/android/platform_frameworks_base/blob/android-4.3_r2/core/java/android/bluetooth/BluetoothDevice.java#L1037).
N...
Email address validation using ASP.NET MVC data type attributes
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Validating email addresses with regex is usually a terrible idea... but if you must, there's an excellent reference here.. regular-expressions.info/email.html
– Molomby
Jul 23 '14 at 4:18
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how to return index of a sorted list? [duplicate]
...ray([2,3,1,4,5])
>>> vals
array([2, 3, 1, 4, 5])
>>> sort_index = numpy.argsort(vals)
>>> sort_index
array([2, 0, 1, 3, 4])
If not available, taken from this question, this is the fastest method:
>>> vals = [2,3,1,4,5]
>>> sorted(range(len(vals)), key=...
How to get Scala List from Java List?
...now built into the language using:
import scala.collection.JavaConversions._
...
lst.toList.foreach{ node => .... }
works. asScala did not work
In 2.12.x use import scala.collection.JavaConverters._
In 2.13.x use import scala.jdk.CollectionConverters._
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How to profile a bash shell script slow startup?
...t to go to the file command.txt leaving stdout and stdout to be output normally (or be redirected separately).
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Why does the 260 character path length limit exist in Windows?
... answered Dec 10 '09 at 11:45
vallivalli
5,07122 gold badges1717 silver badges88 bronze badges
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C++ convert hex string to signed integer
...>> x;
// output it as a signed type
std::cout << static_cast<int>(x) << std::endl;
}
In the new C++11 standard, there are a few new utility functions which you can make use of! specifically, there is a family of "string to number" functions (http://en.cppreference.c...
Why use HttpClient for Synchronous Connection
I am building a class library to interact with an API. I need to call the API and process the XML response. I can see the benefits of using HttpClient for Asynchronous connectivity, but what I am doing is purely synchronous, so I cannot see any significant benefit over using HttpWebRequest .
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Deleting rows with MySQL LEFT JOIN
...ed May 4 '10 at 6:26
Daniel VassalloDaniel Vassallo
301k6666 gold badges475475 silver badges424424 bronze badges
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What does 'require: false' in Gemfile mean?
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This means install the gem, but do not call require when you start Bundler. So you will need to manually call
require "whenever"
if you want to use the library.
If you were to do
gem "whenever", require: "whereever"
then bundler woul...