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Swapping the largest item in an array with the first position item


I need to find the largest number in array bb and swap it with the first item. I was able to find the largest number and move it to the front, but I can’t get the item in the first position to swap. …

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Spring Rest Template always return 500


i use Rest Template to consume a rest web service, However i always get 500 although when I test with postman i get 200 Here is Rest template code : private String callWs(int page) { final …

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Compability JDBC driver versions and PostgreSQL versions


Can anyone point me on where to find an exact documenation which postgreSQL database version requires which JDBC driver version? In the case at hand I want to know: What is the minimum required JDBC …

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JList not behaving as I expected


I’m practicing with a JList which gets populated with random numbers as the “Add Numbers” button is being clicked, and I have run into a few issues I have not been able to fix. In the code …

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How to use DateTimeFormatter for pattern dMMyyyy


I need to parse Strings to LocalDate using DateTimeFormatter. There are 2 different cases, Strings of pattern dMMyy or ddMMyy (20320, 020320, 120320) and Strings of pattern ddMMyyyy or dMMyyyy (…

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Fragment Inside a Fragment Not Working with ScrollView


When I am Using Fragment Inside a Fragment with ScrollView It is not working. In My Case the FirstFragment is fine. the fragment that is inside is not showing in full screen and lot of contents in …

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Unsigned modulo in Java


I’m porting some c code which is doing a modulo on an uint32_t. An uint32_t fits in a Java int bit-wise, but I cannot figure out how to perform a modulo operation on it without converting to a long. …

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Reading Form Responses over to dashboard based on 1 cell value


Thanks to all that answered my previous query, I have to be honest I really cannot get on with Google Apps Script 🙁 What I am trying to do is relatively simple and for VBA on excel would be a doddle,…

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BluetoothAdapter StartDiscovery does not work in Foreground Service


My application starts a service that detects phone shaking. When the service detects a shake, it searches for a BT device within range and if a suitable device is found, it connects to it and sends …

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How can I use merge method in Java to append elements to the list value in map<Character,List>?


I am trying to understand the merge method. I have a map of <Character, List>. I want to add the indices to the list of the appropriate key. I want to use the merge method to do …