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Downloading all maven dependencies to a directory NOT in repository?
... libraries for redundant API definitions (e.g. some libraries will include Javax APIs, which can conflict with other versions of the same API), but it's also good if your app needs its dependencies packaged with it for distribution, or just whatever.
– Spanky Quigman
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What is the Scala annotation to ensure a tail recursive function is optimized?
...tricks):
C:\Prog\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...
Postgres: “ERROR: cached plan must not change result type”
...ot change result type when trying to solve the problem in the context of a Java / JDBC application.
I was able to reliably reproduce the error by running schema upgrades (i.e. DDL statements) while my back-end app that used the DB was running. If the app was querying a table that had been changed ...
How to restart Jenkins manually?
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For safeRestart, see stackoverflow.com/a/15555339/260122 java -jar /var/cache/jenkins/war/WEB-INF/jenkins-cli.jar -s http://localhost:8080/ safe-restart (if installed by rpm or deb, otherwise adjust accordingly).
– clacke
Nov 14 '13 at 3:28
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How to read a file in Groovy into a string?
...ention that this works even if the File object originated from an ordinary java jar. I wasn't sure if maybe Groovy had its own special File class with the text attribute, or something, but it seems that it doesn't matter where the File object comes from, whether it's instantiated by Groovy code or J...
What exactly is Apache Camel?
...h code samples. In it, Jonathan writes:
Apache Camel is an open source Java framework that focuses on making integration easier and more accessible to developers. It does this by providing:
concrete implementations of all the widely used Enterprise Integration Patterns (EIPs)
connectiv...
C++ catching all exceptions
Is there a c++ equivalent of Java's
15 Answers
15
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Android : Check whether the phone is dual SIM
...able now from Android 5.1 onwards
Other possible option :
You can use Java reflection to get both IMEI numbers.
Using these IMEI numbers you can check whether the phone is a DUAL SIM or not.
Try following activity :
import android.app.Activity;
import android.os.Bundle;
import android.wid...
Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
... level interrupt handlers will notice it and can handle it appropriately.
Java Concurrency in Practice discusses this in more detail in Chapter 7.1.3: Responding to Interruption. Its rule is:
Only code that implements a thread's interruption policy may swallow an interruption request. General-p...
Best way to parseDouble with comma as decimal separator?
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Use java.text.NumberFormat:
NumberFormat format = NumberFormat.getInstance(Locale.FRANCE);
Number number = format.parse("1,234");
double d = number.doubleValue();
...