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How to sort an array in descending order in Ruby
...1.9
Here are results for Ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin10.8.0]:
user system total real
sort 1.340000 0.010000 1.350000 ( 1.346331)
sort reverse 1.300000 0.000000 1.300000 ( 1.310446)
sort_b...
Android preferences onclick event
...z am getting ActivityNotFoundException :(
– theapache64
Feb 8 '16 at 17:01
add a comment
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How do I check if a list is empty?
...
64
It's worth noting that this isn't a flaw in Python, but rather an intentional break of contract by numpy - numpy is a library with a very s...
Regular expression to match DNS hostname or IP Address?
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Here: stackoverflow.com/questions/4645126/… - I explain that names that start with a digit are considered as valid as well. Also, only one dot is questionable issue. Would be great to have more feedback on that.
– BreakPhreak
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Singleton pattern in nodejs - is it needed?
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64
Singletons are not an anti-pattern.
– wprl
Apr 26 '13 at 14:41
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using facebook sdk in Android studio
...7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Base64;
import android.util.Log;
import android.widget.TextView;
import com.facebook.AccessToken;
import com.facebook.AccessTokenTracker;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.face...
What's the difference between String(value) vs value.toString()
...
Dagg NabbitDagg Nabbit
64.7k1717 gold badges9898 silver badges135135 bronze badges
a...
Using ping in c#
...eceive the
corresponding ICMP echo reply message.
RoundtripTime (System.Int64): Gets the options used to transmit the reply to an Internet Control Message Protocol (ICMP) echo
request.
PingOptions (System.Byte[]): Gets the buffer of data received in an Internet Control Message Protocol (ICMP) echo r...
Load and execute external js file in node.js with access to local variables?
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64
If you are writing code for Node, using Node modules as described by Ivan is without a doubt t...
What is the Scala annotation to ensure a tail recursive function is optimized?
...\Scala\tests>scala
Welcome to Scala version 2.8.0.RC5 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_18).
Type in expressions to have them evaluated.
Type :help for more information.
scala> import scala.annotation.tailrec
import scala.annotation.tailrec
scala> class Tails {
| @tailre...