I’m a total beginner of java. I have a homework to write a complete program that calculates the factorial of 50 using array. I can’t use any method like biginteger. I can only use array because my professor wants us to understand the logic behind, I guess… However, he didn’t really tea…
Android Create Calendar Event always as Birthday
I have a strange issue when I create a calendar event programmatically its always noted as Birthday Calendar (type) I don’t have any clue why its noted like that. My code I use is as below: Xamarin C# Please does someone has any tips or ideas which can point me to the right direction? Thanks in advance.…
Why does my for loop only return first value in JTable?
So I’m using this for loop to go through the values held in the first column. Then the if statement deletes the row if the value entered by the user is equal to the the value held in String hold. I am able to delete the first row but can not delete any row after that. What am I doing
Depth first search in finding a path in matrix
My understanding about dfs is using stack (bfs using queue). However, if i want to traversal a matrix in dfs. How do I suppose to do that? Suppose I have a matrix and I want to find a path start from top left to bottom right, and it can only move down and right. Above is an online version a
Overriding beans in Integration tests
For my Spring-Boot app I provide a RestTemplate though a @Configuration file so I can add sensible defaults(ex Timeouts). For my integration tests I would like to mock the RestTemplate as I dont want to connect to external services – I know what responses to expect. I tried providing a different impleme…
What’s wrong with my In Place Heap Sorting code
I’m working on a school assignment and the assignment was to make a heap sorting (In Place) program. Now the program works perfectly fine for arrays with under +- 20 elements, above that it occasionally messes up, however I can’t seem to find what’s wrong. The skeleton for the methods was al…
Generate persistance mapping from database schema In IntelliJ15
i’m using IntelliJ 15.0.3,I connect oracle database 10g,then i want to create jpa entity. open Import Database Schema Dialog,and Choose a table named:CD_AREA_DICT When Click ok ,I get the error:Cannot generate Mapping xml. how can i fix this? Answer You have to select XML mapping file (usually orm.xml) …
org.hibernate.internal.util.config.ConfigurationException: Could not locate cfg.xml resource [/HibernateTest/src/hibernate.cfg.xml]
I am trying to connect to Postgresql9.1 in ubuntu with pgadmin3. My Pgadmin3 GUI tool does not give any option to create tables by right clicking the database, but it is available in some videos I saw. Therefore, I used terminal to create the database and it showed up in pgadmin3. my file structure My Userdet…
How to launch Telegram app from my own android application?
I have an android app that should be able to open a chat in the telegram app by pressing a button. I want to open an existing robot chat page DIRECTLY from my app. I have a valid token for my robot. How can this be achieved? Thanks in advance. robot name : @InfotechAvl_bot robot token: 179284*********** Answe…
Capitalize every word in Edit text while typing
I want to capitilze every word in edit text while typing. My XML:- Now I am using But problem is it is not working in some device. Ex LG tablet. So I decided to do this programatically. So I am using following codes. Here my app getting crash. I found the problem while debugging. Problem is the onTextChanged …