How to Understand Error Messages

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How to Understand Error Messages

Okay, lemme tell you, understanding error messages is like, uh, learning a whole new language, but its a language thats supposed to help you, not confuse you. (Though, sometimes it feels like its designed to specifically confuse you!)


So, youre coding, right? Everything should be smooth sailing, but then BAM! Red text appears on your screen. An error message.

How to Understand Error Messages - check

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Your first instinct is probably panic, maybe throw your computer out the window.

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managed it security services provider Dont do that! Take a deep breath. Error messages are actually your friends, kinda. Theyre telling you something went wrong, and hopefully, why.


The trick is to dissect the message. Dont just glaze over it.

How to Understand Error Messages - managed services new york city

    Look for keywords. check Words like "syntax," "undefined," "type," or "exception" give you clues about the kind of problem youre facing. "SyntaxError" means youve probably got a typo or something wrong with the grammar of your code. "Undefined" usually means youre trying to use a variable that hasnt been declared yet, like youre calling someone by a nickname they havent earned yet. "TypeError" means youre trying to do something impossible, like add a number and a word together.


    Then, look at the line number. The error message usually tells you where the problem is happening. Now, sometimes the actual problem is a line or two earlier, but the line number is a good starting point. Scrutinize that line! Did you misspell something? Forget a semicolon? managed services new york city Use the wrong kind of bracket?


    And dont be afraid to Google! Seriously, paste the error message into Google. Chances are, someone else has had the same problem and theres a solution waiting for you on Stack Overflow or some other forum.

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    (Thats where all the real answers are, anyway.)


    Debugging is a skill, and it takes practice. Youre gonna get frustrated, youre gonna wanna give up, but the more you learn to decipher those error messages, the better youll become at coding. Its like learning to read tea leaves, but instead of predicting the future, youre fixing your code! Its awesome!