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Identify the error in this Flask static file optimization code:

medium📝 Debug Q6 of 15
Flask - Performance Optimization
Identify the error in this Flask static file optimization code: 
app = Flask(__name__)
app.config['SEND_FILE_MAX_AGE_DEFAULT'] = '3600'
AThe cache duration should be an integer, not a string
BSEND_FILE_MAX_AGE_DEFAULT is not a valid config key
CFlask requires this setting to be set in minutes
DThe app variable must be named 'application'
Step-by-Step Solution
Solution:

  1. Step 1: Check data type of cache duration

    It should be an integer number, not a string.

  2. Step 2: Validate config key and naming

    SEND_FILE_MAX_AGE_DEFAULT is valid and app variable name is flexible.

  3. Final Answer:

    The cache duration should be an integer, not a string -> Option A

  4. Quick Check:

    Cache duration must be integer type [OK]
Quick Trick: Use integer values for cache duration [OK]
Common Mistakes:
MISTAKES
  • Using string instead of integer
  • Misnaming config keys
  • Assuming variable names are fixed

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