At my work, I installed Linux Ubuntu on VirtualBox but when I run the virtual machine, I could not get on the internet. After some time, I finally got it working and I would like to share my solution with you.
This tutorial is writen for mac users, on windows I didn’t have this error. When I tried to do a mvn compile. I got the following error:
Hi, I made a java program where much database queries are processed in MySQL. After some time running, I got an error message:
When I tried to install a module with NPM, I got an error like ‘Error: ENOENT, stat ‘C:\Users\username\AppData\Roaming\npm’. To fix this, create the ‘npm’ directory manually. It worked like a charm for me. Hopefully, it works for you too!
Sometimes, it could be handy to know in which tables a certain column name is specified. To do so, use the query below.
select distinct table_name
where column_name in ('columnA','ColumnB')
and table_schema = 'YourDatabase';
Note: you need to fill in your own column names and table_schema. Enjoy!
I was using Jasperserver in different browser tabs and did many changes. Suddenly, I got an error like ‘Tree load error‘. To fix this, you need to clean your computer with a program like CCleaner. This was the only solution that worked for me. Even restarting the server didn’t help. To download CCleaner, go to https://www.piriform.com/ccleaner. I hope this works…
How to fix postgres error: current transaction is aborted, commands ignored until end of transaction block
In this post, I will tell you how to fix the error that PostgreSQL throws when you try to execute an SQL-statement.