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The One-Page Debugging Compass: A Simple Ritual for Deciding What to Try *Next* When You’re Completely Stuck

A practical, one-page “debugging compass” you can use as a repeatable ritual to decide what to try next when you’re stuck, instead of guessing blindly.

The One-Page Debugging Compass: A Simple Ritual for Deciding What to Try Next When You’re Completely Stuck

You know that feeling: the logs make no sense, the bug is “not reproducible on my machine,” and you’ve been thrashing for an hour. You’re changing random things. You’re rerunning the same tests. You’re no longer debugging—you’re gambling.

This post gives you a one-page debugging compass: a simple, repeatable ritual you can use any time you’re stuck to decide what to try next with intention instead of guesswork.

It’s not magic. It won’t make hard bugs easy. But it will:

  • Cut down wasted efforts and random poking
  • Help you see what you’re missing instead of repeating what you’ve already tried
  • Turn debugging from a stress spiral into a calm, methodical process

Let’s walk through the compass step by step.


The Debugging Compass at a Glance

When you’re stuck, don’t ask “What should I try?” Ask instead:

Where in the system am I most ignorant right now?

Your next step is to reduce that ignorance deliberately.

The compass gives you a one-page ritual with six moves:

  1. Sense: Clarify what’s actually happening and what should be happening
  2. Instrument: Add visibility where you’re blind (logs, analytics, monitoring)
  3. Interrogate: Use breakpoints and local inspection to see reality in motion
  4. Reach Out: Use remote debugging when the bug only lives “out there”
  5. Listen: Let analytics, error monitoring, and user feedback rank what to try next
  6. Decide & Commit: Pick one hypothesis-driven step and execute it

Run through these systematically instead of jumping randomly. Let’s unpack each.


1. Sense: Don’t Touch the Code Yet

Most wasted debugging happens because we start in the editor instead of in reality.

Before you change anything, do a mini “Sense” phase (like the early requirements phase in software development):

a) Restate the problem in plain language

Write down:

  • What the user sees now
  • What the user expected instead
  • Where and when it happens (environment, browser, device, tenant, account, etc.)

If you can’t explain the bug clearly in one or two sentences, you’re not ready to debug it.

b) Collect existing signals

Without adding anything new, gather what’s already available:

  • Logs
  • Screenshots or screen recordings
  • Request/response examples
  • Existing metrics (e.g. 500 error rates, latency spikes)

c) Define “fixed” concretely

What specific behavior will convince you the bug is gone?

  • “User can complete checkout with a Visa card without a 500 error.”
  • “Email verification link works on both Chrome and Safari mobile.”

This prevents you from declaring victory on a fluke.

Only after this “Sense” step do you earn the right to touch code.


2. Instrument: Shine Light Where You’re Blind

If you’re stuck, you are almost always missing visibility.

Ask: “What don’t I know that, if I did, would make this obvious?” Then instrument for that.

Two levels of instrumentation

  1. Local and situational – For this specific bug:

    • Add targeted logs (inputs, key decisions, outputs)
    • Log correlation IDs across services
    • Capture additional context (user IDs, feature flags, environment)
  2. Global and ongoing – So you’re not blind next time:

    • Analytics: Early in the project, track:
      • Critical user journeys (signup, login, purchase)
      • Drop-off points
      • Feature usage
    • Error monitoring (Sentry, Honeybadger, Rollbar, etc.):
      • Automatic exception capture
      • Environment, stack trace, user context
      • Aggregation and prioritization of failures

Good instrumentation turns debugging from guessing what might be happening into checking what is actually happening.


3. Interrogate: Use Breakpoints Instead of Print Spam

Once you’ve sensed the problem and improved visibility, your next move is to interrogate the code while it runs.

Print statements have their place, but for complex bugs they create noise. Instead, treat your debugger as a core tool:

Set breakpoints at critical lines where things “should” work:

  • Right before a suspicious function returns
  • Before and after a key condition (if, switch, guard clause)
  • At the boundary between modules or services

Then, when execution pauses:

  • Inspect variable values and object shapes
  • Step line-by-line through the logic
  • Check assumptions (“Is this ever null?” “Do we actually hit this branch?”)

Your goal is to turn vague theories like “maybe this field is undefined” into verified facts.

Think of it as interviewing the program: you stop it at key moments and ask it to explain itself.


4. Reach Out: Remote Debugging for Bugs You Can’t Reproduce

Some bugs taunt you: they only show up in production or on a customer’s device.

Instead of shrugging and adding more logging forever, treat remote debugging as a first-class technique.

Examples of when to use it:

  • Works locally, fails in staging or production
  • Only occurs under certain load or data conditions
  • Only specific customers or tenants are affected

What “remote debugging” can look like:

  • Attaching a debugger to a remote process (with proper security and isolation)
  • Using framework- or cloud-specific tools (e.g., browser devtools for remote devices, cloud debugger for running services)
  • Capturing production state via debugger extensions or snapshots (variables, stack, environment) without halting the whole system

The mindset shift: you don’t have to fully reproduce the bug locally before investigating it deeply. You can investigate where it actually lives.


5. Listen: Let Data and Users Prioritize Your Next Move

When you’re stuck on one bug, the temptation is to tunnel-vision on it. But as your system grows, you need a way to decide which issue deserves your attention next.

Instead of relying on whoever shouts loudest in Slack, build structured feedback channels and let them guide your focus:

a) Analytics as a prioritization tool

With analytics in place from early on, you can ask:

  • How many users hit this path?
  • How often does this flow fail or drop?
  • Which bugs block revenue or key actions?

A rare glitch in a low-value feature might be less urgent than a frequent error in onboarding.

b) Error monitoring for automatic triage

Error monitoring tools surface and group failures for you:

  • “This exception happened 3,422 times in the last 24 hours.”
  • “This affects 27% of signups.”

Instead of chasing anecdotal bugs, you debug what the data says hurts most.

c) Structured user feedback channels

Create deliberate ways to catch signals:

  • A feedback board for feature requests and bug reports
  • Transactional emails with light feedback prompts (“Did this invoice look correct?”)
  • A simple feedback widget or link on your landing or in-app pages

When a bug has:

  • High user pain (angry comments, repeated reports), and
  • High frequency or business impact (shown by analytics + error monitoring),

…it jumps to the top of your “what to debug next” list.


6. Decide & Commit: One Hypothesis at a Time

At this point in the ritual, you should have:

  • A clear description of the bug (Sense)
  • Better visibility into behavior (Instrument)
  • Concrete observations from debugging (Interrogate/Reach Out)
  • Data and feedback about impact (Listen)

Now, use that information to pick your next step with intent.

Follow this mini-loop:

  1. Form a hypothesis: “If X is true, it would explain Y.”
    • Example: “If the feature flag is misconfigured per-tenant, it would explain why only some users see the bug.”
  2. Design a minimal test for that hypothesis:
    • Add a specific log
    • Check configuration for a single tenant
    • Write a targeted unit/integration test
    • Temporarily toggle a flag in a safe environment
  3. Run the test and observe. Don’t change three other things at the same time.
  4. Update your mental model:
    • Hypothesis confirmed? Fix, then verify against your earlier definition of “fixed.”
    • Hypothesis disproved? Cross it off explicitly and move to the next.

The key is serial, not parallel, guessing. Many small, cleanly tested ideas beat one giant scattershot change.


Putting It All on One Page (Your Debugging Ritual)

Here is a compact checklist you can actually print and tape near your desk:

  1. Sense

    • Can I explain the bug in two sentences?
    • Do I know what “fixed” should look like?
    • Have I collected existing logs/evidence?
  2. Instrument

    • Where am I blind? What should I log/measure?
    • Do analytics or error monitoring already show a pattern?
  3. Interrogate

    • Where can I put breakpoints to see state at critical moments?
    • What assumptions can I check step-by-step?
  4. Reach Out

    • Can I use remote debugging or snapshots where the bug really occurs?
    • What’s different between my local and remote environments?
  5. Listen

    • How many users are affected? How badly?
    • What are users telling me via feedback channels?
  6. Decide & Commit

    • What is my one next hypothesis?
    • What’s the smallest test to confirm or deny it?

Run this ritual every time you get stuck. With practice, you’ll internalize it—and your “lost in the woods” moments will become shorter, rarer, and much less stressful.


Conclusion: From Guessing to Guided Exploration

Debugging will never be completely painless. But it doesn’t have to feel like wandering in the dark.

By adopting a structured, repeatable debugging ritual—your one-page compass—you turn each stuck moment into a guided exploration:

  • You sense reality before you touch code
  • You instrument to replace mystery with data
  • You interrogate the system with breakpoints and remote tools
  • You listen to analytics, monitoring, and users to decide what matters most
  • You commit to one clear next step instead of flailing

The next time you feel that familiar frustration creeping in, don’t reach for another random fix. Reach for your compass.

The One-Page Debugging Compass: A Simple Ritual for Deciding What to Try *Next* When You’re Completely Stuck | Rain Lag