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Cassandra port usage - how are the ports used?
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@Schildmeijer is largely right, however port 7001 is still used when using TLS Encrypted Internode communication
So my complete list would be for current versions of Cassandra:
7199 - JMX (was 8080 pre Cassandra 0.8.xx)
7000 - Internode communication (not used if TLS ...
Math.random() versus Random.nextInt(int)
...tributed bits in its mantissa, so it is uniformly distributed in the range 0 to 1-(2^-53).
Random.nextInt(n) uses Random.next() less than twice on average- it uses it once, and if the value obtained is above the highest multiple of n below MAX_INT it tries again, otherwise is returns the value ...
Increasing the timeout value in a WCF service
...ng>
<binding name="longTimeoutBinding"
receiveTimeout="00:10:00" sendTimeout="00:10:00">
<security mode="None"/>
</binding>
</netTcpBinding>
</bindings>
<services>
<service name="longTimeoutService"
behaviorConf...
How can I do something like a FlowLayout in Android?
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answered Dec 17 '10 at 20:31
Romain GuyRomain Guy
93.8k1717 gold badges211211 silver badges197197 bronze badges
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Why does this code using random strings print “hello world”?
...onstructed with a specific seed parameter (in this case -229985452 or -147909649), it follows the random number generation algorithm beginning with that seed value.
Every Random constructed with the same seed will generate the same pattern of numbers every time.
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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
...yV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
<requiredRuntime version="v4.0.20506" />
</startup>
share
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imp...
What's the best way to check if a String represents an integer in Java?
...ncerned with potential overflow problems this function will perform about 20-30 times faster than using Integer.parseInt().
public static boolean isInteger(String str) {
if (str == null) {
return false;
}
int length = str.length();
if (length == 0) {
return false;
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Is there any boolean type in Oracle databases?
...read on asktom. From recommending CHAR(1) 'Y'/'N' they switch to NUMBER(1) 0/1 when someone points out that 'Y'/'N' depends on the English language, while e.g. German programmers might use 'J'/'N' instead.
The worst thing is that they defend this stupid decision just like they defend the ''=NULL st...
How do browsers pause/change Javascript when tab or window is not active?
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+200
Test One
I have written a test specifically for this purpose:
Frame Rate Distribution: setInterval vs requestAnimationFrame
Note: T...
How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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