Java2026-11-07
List.copyOf vs Collections.unmodifiableList: A Runnable Java Comparison
See the difference between a snapshot and a read-only view by mutating the original list after creating both.
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AiStarter.java
// Your next idea starts here.
public class AiStarter {
public static void main(String[] args) {
System.out.println("Hello, intelligent world.");
}
}❯ java AiStarter.javaHello, intelligent world.✓ One small program. A world of possibilities.
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Linux2026-11-07
Find Recent Service Errors with journalctl on Linux
Filter a systemd service journal by unit, time range and priority without dumping the entire server log.
Read tutorialGit2026-11-07
Unstage a File in Git Without Losing Your Local Changes
Use a disposable repository to see the difference between the index and working tree when git restore --staged runs.
Read tutorialMySQL2026-11-07
Use a MySQL Composite Index for Category and Date Pagination
Create a disposable tutorial table and compare a category-and-date query plan with a matching composite index.
Read tutorialAI2026-11-07
Request Structured AI Output and Validate It Before Using It
Create a JSON-schema request for a local model and inspect a deterministic output validator before connecting the two.
Read tutorialAI2026-11-07
Build a Tiny Semantic Search Ranker with Cosine Similarity in Python
Understand the ranking step of semantic search by calculating cosine similarity over a small, deterministic vector collection.
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PHP2026-11-07
Call a Local AI Server from PHP with cURL and Safe JSON Handling
Create a command-line PHP client that sends a prompt, checks transport and HTTP errors, and validates the generated-text field.
Read tutorialJavascript2026-11-07
Parse Streaming AI Responses in JavaScript Without Losing Split JSON Lines
Write and test a newline-delimited JSON parser that handles JSON objects split across network chunks.
Read tutorialpython2026-11-07
Validate AI JSON in Python Before Your Application Uses It
Build an executable validator for a ticket-classification result, rejecting unknown fields, incorrect types and unsupported labels.
Read tutorialJava2026-11-07
Call a Local AI Model from Java with HttpClient and Timeouts
Send a JSON prompt to a local Ollama server using Java 11 HttpClient, with explicit timeouts and HTTP error handling.
Read tutorialJavascript2023-08-22
Dynamically modify the option set in Dynamics 365 forms
To dynamically modify the option set in Dynamics 365 forms, either on Form Load or on a specific field OnChange event, we can replace the options in the option set with the allowed
Read tutorialOffice3652023-07-27
Copy Power Automate Flows from one environment to another
You can copy Power Automate flows from one environment to another environment using the "Export" and "Import" features. This allows you to move flows and their associated component
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