I am building an application with a REST API using spring boot and JPA connected to a MySQL database. To search for names in the User class I have implemented a query method: List< User > findByFirstnameLike( String name ); This method only returns a result on an exact match, which is not what I wanted.…
Mapping SQL NUMERIC[10,0] to java type
I need to map NUMERIC[10,0] parameter type of a sybase stored procedure to a java type. What would be this type? Also, if you can help me define a regular expression for this NUMERIC[10,0] type I’ll be greatful. Answer Use Long as Integer is to short to map all possible values. Have a look at MAX_VALUE …
Dagger 2: Injecting user inputted parameter into object
Say I have a class Util that takes in a object – an instance of class Validator. Since I want to avoid instantiating the Validator class within Util, I pass it in via a constructor: I have a module that provides the Validator instance: and an instance of the Util class: I have a component wired up that …
Error:Could not initialize class com.android.sdklib.repositoryv2.AndroidSdkHandler
I want to build this project with Android Studio at launching, but take a error. Stacktrace is here Answer This problem occurs when there are multiple JDKs installed in your system, I had the same issue as I had mistakenly installed oracle-jdk-9 and Android studio requires oracle-jdk-8 If you are using Ubuntu…
Replace Unicode escapes with the corresponding character
I’m trying to convert code points, such as u00FC, to the character it represents. An example to explain what I mean: First Console line: Input: Hallu00F6 Second Console line: And Now: Hallö EDIT: Because sometimes it didn’t work with multiple Unicodes in The Trombone Willy’s answer, here is …
Concatenate list of paths in bash-script, with colon as separator
I have the following difficult to read script consisting of a single command: As slight readability improvement I would like to list all the paths after the -classpath in a separate variable, each aligned after the other: This way I can easier add and remove the paths, and sort them in Vim. My question is: ho…
Using one text file to search through another text file in Java
I’m trying to search through a file (File B) for matching strings from another file (File A). If the string is found in File A, then print the entire line(s) from File B and also update its progress to its corresponding JProgressBar(s) as the lines are being read. The code below is working fine as expec…
Can I run an android app on pc without emulator?
Suppose I wanted to build a PC application but instead of that I’d make an Android app which does not access mobile only APIs. Can I run something like that on my PC? Do that by like running dalvik vm on a pc and then running the app in that? Is there another way to run an app on PC
Android Multiline Toolbar Title
I have a Toolbar that when in landscape mode isn’t as wide as usual, but it has more height than usual and for that reason I want to set the title to be multiline (2 lines to be precise) when it is in landscape. I have tried some things where I put a TextView inside of the Toolbar, but when
How would I find the length of a linkedlist IN a linkedlist?
I’m trying to go through a linkedlist(which we can call the superlist) which has elements of linked lists(sublists) within it. The method that adds the elements into both linked lists is: Now I have to write methods to check if there are groups of 1, 2, 3, 4 elements in the sublists by traversing the su…