I’m looking for are regex for parsing money amounts. The String s10 should not match. Can someone help, or can someone simplify the regex? That’s my try: Answer I think you may use See the regex demo Details (?<![d,.]) – no digit, . or , allowed immediately on the left (?:d{1,3}(?:(?=([.,…
Trying to search through JSON in Java
I am using the Marvel API to try and get the names of heroes based on what the user has typed inside of the search box. The search functionality works I am pretty sure as it will search through a …
Why Jackson ObjectMapper give me this error converting JSON field into a Date object? Can not deserialize value of type java.util.Date from String
I have this JSON object: that have to be mappend on this DTO class: To do this mapping I am using Jackson ObjectMapper, in this way: When I try to map the JSON dateTime field with the Date dateTime in my DTO class I am obtaining the following exception message: As you can see the value of the dateTime field
Apache spark and scala, error while executing queries
I am working with a dataset whose sample is as follows: I have executed the following commands successfully: I am getting following error: java.lang.RuntimeException: Error while encoding: java.lang.RuntimeException: java.lang.Character is not a valid external type for schema of string I am getting the same e…
Why click on optionsMenu item doesn’t work?
I have a problem when clicking on an item from an options menu. I’ve read how to create a menu on the website https://developer.android.com/guide/topics/ui/menus and I seem to do it right, but it still doesn’t work. The menu exists, it is visible, but nothing happens when I perform the click. Also…
Incompatible types : Int cannot be converted to “class” data type
I’m trying to insert value to a List using loop for, but this list data type is a class which have constructor in it. Here is my code : And the error message on line edge.add(x,y) it says : Incompatible data types : int cannot be converted to Edge Here is the Edge Class : What should i change? Thank
Add delay to a loop in android without stalling the UI Thread
I have been looking all over the Android Studio Docs and StackOverflow, but I can not seem to find a way to do the equivalent of what is done in IOS here: Adding Delay In A For Loop Without Blocking UI in Android. I have tried to use a Handler, but instead of running the code like: The code seems
Java Evaluating RPN using Shunting Yard Algorithm
I have the shunting yard algorithm that I found online: import java.util.HashMap; import java.util.Map; import java.util.Stack; public class ShuntingYardAlgorithm { private enum Operator { ADD(…
Android Web View looks weird on Tablet but fine on emulator in Android Studio
I made a WebView and the site looks completely fine on the Emulator but when I install the APK on my Samsung Galaxy Tab A it looks really messed up. This is what it’s supposed to look like: and this …
Getting error to import Spring boot parent into Pom.xml
I am trying to create a sample Spring-Boot project using maven but when i imported into Eclipse. I am getting an error in Pom.xml about spring-boot parent but when i run mvn command from terminal. It works fine. Also, in main class, it does not recognize org.springframework.* I am getting an error which says …