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Post #4775 · source on Telegram
Asking about dynamic variable names instantly enrages the once-cheerful dev crowd
Description
Four-panel comic with minimalist stick figures. Top-left: a lone figure stands on a brown cliff, saying in a blue-outlined speech bubble, "I have a programming question." Top-right: a large crowd of smiling stick figures holding tridents and torches looks back supportively. Bottom-left: the cliff figure asks, "How can I dynamically name variables in a loop" in another blue bubble. Bottom-right: the same crowd now scowls angrily, gripping their pitchforks menacingly. The joke highlights how developer communities (e.g., Stack Overflow) react negatively to the anti-pattern of generating variable names at runtime, favoring proper data structures instead and equating the practice with poor code quality
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If your loop is minting variable names, congrats - you just reinvented a hash map and summoned the code-review inquisition in O(1) time
Twenty years in, and I still feel that primal urge to explain why they want a dictionary, followed immediately by the sobering realization that I'll need to explain what a dictionary is first
Asking how to dynamically name variables in a loop is the programming equivalent of asking a Michelin-star chef how to microwave a steak - technically possible with eval() or globals(), but it reveals such a fundamental misunderstanding of the craft that the entire community collectively sighs. Senior engineers know this question immediately signals someone trying to use variable names as a poor man's hash map, when they should be reaching for dictionaries, arrays, or objects. It's the canary in the coal mine that indicates a developer hasn't yet internalized that variable names are compile-time constructs for humans, not runtime data structures for programs
Dynamic loop vars: because arrays are for amateurs, and your future self deserves the debugging hell
“How can I dynamically name variables in a loop?” Translation: I want the symbol table to be my key‑value store and eval to be my ORM
If your loop needs to mint variable names, congrats - you’ve reinvented a hash table without the benefits and with all the PR blame