How can I avoid of StringIndexOutOfBoundsException in case when string starts with space (” “) or when there’re several spaces in the string? Actually I need to capitalize first letters of the words in the string. My code looks like: Tests: Input: “test test test” Output: “…
UML modelling enumeration with attributes
I would like to create an UML diagram with Java enumerations (enum), that have one or more attributes, but I am confused about how to do it. For example an enum could be declared like this: Without the attributes, it is easy: But how do you model it with attributes elegantly? Should it be like this? I found o…
Error:Execution failed for task ‘:app:mergeDebugResources’. > Some file crunching failed, see logs for details build gradle issues
currently I am using Android Studio 2.1 when I run my App it shows me some error in Message Gradle Build saying the following I tried cleaning and rebuilding it but it didn’t work. The answer for this question didn’t work also. Any help would be appreciated, thanks. Updated: Here is the log output…
Android Data Binding pass arguments to onClick method
Is it possible to pass custom arguments to onClick method using the Data Binding Library? I have my layout xml file where I need to use the onClickListener: and I a have my click handler code here: Is it possible to pass my CategoryViewModel object from xml to click handler? Answer You can use a lambda expres…
How work stringBuilder.reverse?
I thought revers should be equal “tor”, but when I tried String straight = stringBuilders[i].toString(); String reverse = stringBuilders[i].reverse().toString(); System.out.println(“stringBuilders[i]….
UDP communication between Java and C#
I’m trying to communicate a Java program with a C# one but it’s not working. The code is really basic, here it is: This is the Java client And here it is the C# server The c# server is a Unity file, I mean, I execute it from Unity, so Start is the first method called. I would like them
Is there a way to get java.util.logging.LogManager to report all loggers for which properties are specified or to access the properties?
In LogManager, the method getLoggerNames appears to only return loggers that have been actually instantiated already. However, logging properties can be held “in reserve” until a logger with a given name is instantiated. Is there a way to get the full list of loggers for which we have settings, or…
Calling stored procedure using OUT parameter with Spring Spring JPA 2.*
I am calling a stored procedure using IN parameter – it’s working fine. Need help how to do it for OUT parameters. Answer Refer below link for how to call a stored procedure. https://dzone.com/articles/calling-stored-procedures-from-spring-data-jpa
Creating a Matrix with ArrayLists
I want to create an ArrayList-matrix with n-rows and m-columns, for example I’ve already written a code for creating such a matrix but my code doesn’t display the values when I clear the list containing the column-data. Here is my Is there any possibility to clear the contents of intList without c…
Spring Security – multiple logged users
I have a problem with Spring Security configuration. When I log in on one computer as a user1 and then I will log in as a user2 on another computer, the first computer after refresh sees everything as a user2. In other words, it is impossible to have two sessions with different users at the same time. Configu…