Resolving IndexError in K-Means Clustering Due to Incorrect CSV Delimiter
When applying the k-means clustering algorithm to the Iris and Wine datasets, the Iris dataset executes successfully, whereas the Wine dataset throws an error.
The error message index 0 is out of bounds for axis 1 with size 0 indicates an attempt to access an empty column dimension. To investigate the issue, the data loading function was update ...
Posted on Fri, 15 May 2026 23:14:48 +0000 by sargus
Handling Exceptions in Python
When debugging Python programs, exceptions are often raised. These can be due to mistakes made during programming or due to unavoidable conditions. In the former case, it's necessary to trace back to the error point using the exception's traceback and make corrections. For the latter, we can catch and handle the exceptions to prevent the progra ...
Posted on Sat, 09 May 2026 05:12:40 +0000 by weekenthe9
Logging JVM Crashes in Java Services
Capturing Crash Information
Adding a Global Uncaught Exception Hook
To record unexpected failures, install a handler for uncaught exceptions at the thread level. This catches errors that escape typical try-catch blocks.
Thread.setDefaultUncaughtExceptionHandler((thread, throwable) -> {
String logEntry = String.format("[FATAL] Thread ...
Posted on Fri, 08 May 2026 14:12:00 +0000 by Sentosa