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How to fix Hibernate LazyInitializationException: failed to lazily initialize a collection of roles,

...te from AuthenticationProvider like you suggest, I get an error Caused by: java.lang.IllegalArgumentException: Can not set com.horariolivre.security.CustomAuthenticationProvider field com.horariolivre.security.SecurityConfig.authenticationProvider to $Proxy36. I get the same error if I use the add f...
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Spring @Transaction method call by the method within the same class, does not work?

... Starting from Java 8 there's another possibility, which I prefer for the reasons given below: @Service public class UserService { @Autowired private TransactionHandler transactionHandler; public boolean addUsers(List<User...
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How to profile methods in Scala?

...R) = { def print_result(s: String, ns: Long) = { val formatter = java.text.NumberFormat.getIntegerInstance println("%-16s".format(s) + formatter.format(ns) + " ns") } var t0 = System.nanoTime() var result = block // call-by-name var t1 = System.nanoTime() pri...
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What languages are Windows, Mac OS X and Linux written in?

... windows: C++ linux: C mac: Objective C android: JAVA, C, C++ Solaris: C, C++ iOS 7: Objective-C,Swift,C, C++ share | improve this answer | follow...
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Send Email Intent

... A late answer, although I figured out a solution which could help others: Java version Intent emailIntent = new Intent(Intent.ACTION_SENDTO); emailIntent.setData(Uri.parse("mailto:abc@xyz.com")); startActivity(Intent.createChooser(emailIntent, "Send feedback")); Kotlin version val emailIntent = I...
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Are nested try/except blocks in python a good programming practice?

... While in Java its indeed a bad practice to use Exceptions for flow control (mainly because exceptions force the jvm to gather resources (more here)), in Python you have 2 important principles: Duck Typing and EAFP. This basically mean...
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Implement Stack using Two Queues

... import java.util.*; /** * * @author Mahmood */ public class StackImplUsingQueues { Queue<Integer> q1 = new LinkedList<Integer>(); Queue<Integer> q2 = new LinkedList<Integer>(); public int po...
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Project structure for Google App Engine

...? Perhaps in myapp/views/view1.py, myapp/views/view2.py? Or that just my Java/C# background showing through? – Chris Marasti-Georg Sep 16 '08 at 11:49 1 ...
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How do I create 7-Zip archives with .NET?

...p zipping function of 7z. 7Zip SDK The official SDK for 7zip (C, C++, C#, Java) <---My suggestion .Net zip library by SharpDevelop.net CodeProject example with 7zip SharpZipLib Many zipping share | ...
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Is PHP compiled or interpreted?

...languages that run on some kind of virtual runtime machine including Perl, Java, Ruby, Smalltalk, and others. share | improve this answer | follow | ...