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Cursor AI Prompting Framework Usage Guide

This guide explains how to use the structured prompting files (core.md, refresh.md, request.md) to optimize your interactions with Cursor AI, leading to more reliable, safe, and effective coding assistance.

Core Components

core.md (Foundational Rules)
- Purpose: Establishes the fundamental operating principles, safety protocols, tool usage guidelines, and validation requirements for Cursor AI. It ensures consistent and cautious behavior across all interactions.
- Usage: This file's content should be persistently active during your Cursor sessions.

Don't use VPN services.

No, seriously, don't. You're probably reading this because you've asked what VPN service to use, and this is the answer.

Note: The content in this post does not apply to using VPN for their intended purpose; that is, as a virtual private (internal) network. It only applies to using it as a glorified proxy, which is what every third-party "VPN provider" does.

A Russian translation of this article can be found here, contributed by Timur Demin.
A Turkish translation can be found here, contributed by agyild.
There's also this article about VPN services, which is honestly better written (and has more cat pictures!) than my article.

How to install Zsh version 5.6.2 into CentOS 7

Given that you have a clean installation of CentOS 7 which was already updated, by you, then you still have some dependencies to install make and install the external Zsh from the source. You must be root to get the stuff done.

Install GCC Development Tools

yum groupinstall "Development tools"

Check if it's working

VIM KEYBOARD SHORTCUTS

MOVEMENT

h        -   Move left
j        -   Move down
k        -   Move up
l        -   Move right
$        -   Move to end of line
0        -   Move to beginning of line (including whitespace)

Reset mysql root password in Mac OS:

First Stop MySQL:

Go to: 'System Preferences' >> 'MySQL' and stop MySQL

OR,

sudo /usr/local/mysql/support-files/mysql.server start
sudo /usr/local/mysql/support-files/mysql.server stop

Tabs and Windows

Function	Shortcut
New Tab	`⌘` + `T`
Close Tab or Window	`⌘` + `W` (same as many mac apps)
Go to Tab	`⌘` + `Number Key` (ie: `⌘2` is 2nd tab)
Go to Split Pane by Direction	`⌘` + `Option` + `Arrow Key`
Cycle iTerm Windows	`⌘` + `backtick` (true of all mac apps and works with desktops/mission control)

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

Configure Git to use a proxy

In Brief

You may need to configure a proxy server if you're having trouble cloning or fetching from a remote repository or getting an error like unable to access '...' Couldn't resolve host '...'.

Consider something like:

	# This code is licensed under the terms of the MIT license.

	## Golden config for golangci-lint v1.50.1
	#
	# This is the best config for golangci-lint based on my experience and opinion.
	# It is very strict, but not extremely strict.
	# Feel free to adopt and change it for your needs.

	run:
	# Timeout for analysis, e.g. 30s, 5m.

	public class SomeInterceptor extends HandlerInterceptorAdapter{
	@Override
	public boolean preHandle(final HttpServletRequest request,final HttpServletResponse response,final Object handler)
	throws Exception
	{
	/*Assume the URI is user/{userId}/post/{postId} and our interceptor is registered for this URI.
	* This map would then be a map of two elements,with keys 'userId' and 'postId'
	*/
	final Map<String, String> pathVariables = (Map<String, String>) request
	.getAttribute(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE);