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45Debug & testCommon trap

Bug

Bug

An error or problem in a program that makes it behave unexpectedly.

For example

The page errors after I click save — that is a bug.

Resources

Copy prompt

Here is the error and the code. List the likely causes, most probable first.

Related terms

46Debug & test

Debug

Debug

Finding the cause of a problem and fixing it.

For example

I debugged step by step from the error and found a typo in a variable name.

47Debug & test

Log

Log

Information a program records automatically while running, used to trace problems.

For example

I read the runtime log and found why the API call failed.

48Debug & test

Test

Test

Checking whether a program behaves the way it should.

For example

After building login I tested normal login, wrong password and more.

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