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Snippet Library.

Implement Custom v-model on a Vue 3 Component

Discover how to create custom Vue 3 components that support `v-model` for two-way data binding, enabling cleaner form and input management.

Render Content Outside Parent Component with Vue 3 Teleport

Master Vue 3's `Teleport` feature to render components like modals or notifications directly into the document body, bypassing parent DOM restrictions.

Dynamically Render Vue 3 Components with the 'is' Attribute

Learn to switch between different Vue 3 components dynamically using the special `is` attribute, ideal for tabbed interfaces or conditional rendering.

Create a Custom Global Directive in Vue 3

Understand how to define and register a custom global directive in Vue 3 to add reusable, low-level DOM manipulation directly to your HTML elements.

Automate Git Pull and Service Restart

A simple bash script to automate pulling the latest code from a Git repository and restarting a web service, ideal for basic deployment workflows.

Read and Process File Line by Line

A bash script to efficiently read and process text files line by line, useful for parsing logs, configuration files, or lists of data for web development tasks.

Check if a Port is in Use

A practical bash script to determine if a specific TCP port is currently being listened on, essential for debugging network issues or starting services.

Basic Log Archiving with Date Stamping

A bash script to automate the archiving of log files by date-stamping them and optionally compressing, helping manage server disk space and log history.

Aggregate Multiple Metrics with Conditional Counts

Learn how to use conditional aggregation with CASE WHEN inside aggregate functions to create a single report showing counts of different statuses or types in one SQL query.

Perform an Upsert (Insert or Update) on a Single Record

Master the SQL UPSERT operation using PostgreSQL's INSERT ... ON CONFLICT DO UPDATE to either insert a new record or update an existing one atomically.

Identify and Delete Duplicate Rows While Keeping One

Learn to find duplicate records in a table based on specific columns and then delete all but one occurrence, maintaining data integrity.

Calculate Running Totals or Cumulative Sums with Window Functions

Discover how to compute running totals or cumulative sums in SQL using window functions like SUM() OVER (ORDER BY ...) for financial and analytical reports.