platform developer 2 topics
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Apex Design pattern
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Visualforce Developer Guide
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Lightning Design System Basics.
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Asynchronous Apex
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Apex Triggers and Order of Execution
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When and how to use @future (callout=true)
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Tools for using metadata in salesforce (Whisper
word: Workbench)
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Best practices in Unit testing (about getURLU
especially)
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Displaying Error messages in Vf pages and in
lightning pages
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Sharing model in Salesforce
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Apex code Debugging from the sample code (some
examples around: Database.rollback )
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Best practices for Apex CPU time limits
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Have Apex Governor limits on your fingertips
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Custom and Standard controllers
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Using multiple custom controllers and order of
execution in the same
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Ways to view state issues
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Debugging triggers
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Exception handling
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Debugging in Developer Console and its
components (refer Salesforce Help Doc here)
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SOQL and its best practices (especially
preventing SQL injection)
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Types of fields in objects.
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Unique and External ID fields.
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Using SOAP/REST web services and its best
practices.
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SOAP API parameters
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REST annotations
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Types of APIs in Salesforce and its basics
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VF pages with Javascript remote actions
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Dynamic SOQL and its limitations
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Visualforce tags (Tip: Not the basic tags)
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List, Set and Map collections in apex
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Workflows and Process builders (Tip: If process
builder is an option in Ans, Think twice. Mostly that would be the ans. Don’t
blame me if you get it wrong. )
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Debugging run time errors from sample code.
(Tip: there could be multiple bugs in the code. Look for the line which will
cause failure at first in the order of execution)
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Know about Debug logs and how to debug via debug
logs, and setting the parameters for debug logs.
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Chatter and how apex can access chatter
programmatically
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Pagination in Vf pages and best practices
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https://developer.salesforce.com/page/Apex_Design_Patterns
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https://www.youtube.com/watch?v=tsa8Z2S1Agc
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https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_intro.htm
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https://trailhead.salesforce.com/modules/lex_dev_lc_basics
