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Comment: Automated update-Scrapy V0.1 changing RA Table

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Failure to understand the evaluation order of expressions containing side effects can result in unexpected output.

Guideline Recommendation

Severity

Likelihood

Remediation Cost

Priority

Level

EXP09EXP08-J

low

unlikely

medium

P2

L3

Automated Detection

Detection of all expressions involving both side-effects and also multiple operator precedence levels is straightforward. Determining the correctness of such uses is infeasible in the general case; heuristic warnings could be useful.

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